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Super opportunity in Gloucestershire for a Senior level Embedded Software Engineer to join an exciting start up company. I am seeking someone with 8 years plus expertise developing low level Embedded software. Suitable applicants will have a relevant degree and the following skills: Embedded C/ C++ ARM-based microcontrollers Bare-metal and RTOS development Embedded linux expertise Communications protocols (UART/I2C/SPI) BLE/WiFi/GPRS interfacing It would be beneficial to have safety critical expertise and also a strong appreciation for hardware. Applicants should be excellent problem solvers, strong communicators. The sort of Engineer who is able to get stuck into whatever is required with little guidance will thrive. Superb opportunity. Send your CV to Emma Windows at IC Resources.

Machine Learning Engineer - (DV Clearable) - Multiple Headcount • Location(s): Cheltenham or London, • Type: 4 days on-site, 1 day at home, • Salary: £54,000 - £64,000, • Clearance: SC (Must be eligible and willing to go through DV Clearance), • Must be a sole British National Sanderson Government & Defence are working with a specialist technology company, who are driving cutting edge technical soltutions across a variety of sectors. We're looking for Machine Learning Engineers to join a supportive, multidisciplinary team developing AI/ML systems to solve critical challenges. As a Machine Learning Engineer, you'll develop robust, production-ready machine learning solutions, exploring, prototyping, and deploying ML approaches from initial concept through to live operation. Working at the forefront of applied AI alongside experts across multiple disciplines, you'll help users defend against threats, directly contributing to safer, more resilient systems deployed where they matter most. This is an opportunity to innovate at the forefront of applied machine learning, tackle high impact real-world problems, grow your technical skills, and shape the way AI/ML solutions are delivered to critical operational environments. Key day-to-day activities: • Design and build prototypes and robust, production-ready ML solutions., • Work collaboratively with colleagues across the Mind Foundry team (Product Managers, Machine Learning Scientists, Software Engineers) to solve critical challenges., • Maintain and develop a good working knowledge of state-of-the-art ML methods, software tools and implementation methods., • Write maintainable production code and promote best practices for code quality in a scientific codebase., • Provide advice and explain core ML concepts to customers and partners. Core Skills & Experience: • A degree in Computer Science, Applied Mathematics, Statistics, Physics, or a related STEM field (or equivalent practical experience)., • Demonstrated proficiency in programming languages such as Python, producing clean, reproducible, well-tested, and well-documented code suitable for long-term ownership and handover., • Hands-on experience with production infrastructure, including Docker, Linux, CI/CD, MLOps, cloud platforms, and model serving architectures., • Be able to work with state-of-the-art ML libraries to deliver powerful results quickly., • Comfortable working in ambiguous, fast-moving environments, embedded with customers or delivery teams. Nice to Have: • Ability to write technical material (documentation, published papers, internal technical notes etc)., • Experience with Natural Language Processing (NLP) and Large Language Models (LLMs)., • Experience in areas of model development, data processing and streaming (Spark, Kafka), microservices in python (Flask or FastAPI), and interactive visualisations and User Interfaces (Streamlit, Plotly, Gradio etc). These lists are not exhaustive, if you feel you're covering some but not all of this, we encourage to still apply! You'll enjoy a competitive compensation package and great benefits such as: • 25 days of annual leave plus Bank Holidays, • EMI options scheme, • Salary Sacrifice Pension scheme, • Private Healthcare (including dental and optical cover), • Group Life Cover at x3 your annual salary, • Enhanced Paid Parental and Sickness Leave, • Workplace Nursery Scheme, • Volunteer Days, • Pet friendly office, • Professional and personal development Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients. If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you. JBRP1_UKTJ

Radiant is seeking a senior Site Reliability Engineer in the UK to design, deploy, and operate scalable AI-native infrastructure. You will own Kubernetes clusters, tune Linux and I/O, and drive automation across the platform. You will champion ITSM practices, maintain Prometheus/Grafana monitoring, and participate in 24x7 on-call support. Mentoring and cross-training with Platform SRE and HPC teams are key parts of the role. #J-18808-Ljbffr

Role: Senior Linux Engineer (OCI) Location: UK Remote Duration: 6 Months Day rate: 550 - 650 Inside IR35 Role description: You'll be responsible for the administration, support and implementation of Linux infrastructure solutions within Oracle Cloud Infrastructure (OCI) for a secure government programme. We're looking for engineers with strong Linux administration experience, particularly across RHEL and Oracle Linux environments, who have delivered OS upgrades, platform migrations, patching and infrastructure modernisation projects. Key Skills: • Oracle Cloud Infrastructure (OCI), • Red Hat Enterprise Linux (RHEL), • Linux Systems Administration, • OS Upgrades & Migrations, • Infrastructure Support, • Security Hardening & Compliance, • Oracle Linux If you receive suspicious outreach claiming to be from us, please contact us via the ManpowerGroup website. #J-18808-Ljbffr

Infosec seeks a Senior Infrastructure Engineer for a long-term Cheltenham-based contract delivering secure infrastructure solutions for National Security and Defence customers. You will design, implement and support robust infrastructure environments, spanning Windows, Linux, virtualization, networking, and automation tooling. CV clearance (eDV/UKIC DV) is required and open to permanent hire. Experience with Ansible/AWX, IaC and data protection software such as Veeam/NetBackup will be highly #J-18808-Ljbffr

INFRASTRUCTURE TEST ENGINEER - eDV CLEARED BRAND NEW OPPORTUNITY AVAILABLE WITH A LEADING NATIONAL SECURITY ORGANISATION FOR AN INFRASTRUCTURE TEST ENGINEER • Permanent opportunity for an Infrastructure Test Engineer, • On-site role in Cheltenham, • Salary up to £70,000 (DOE), • Must hold active UK eDV Clearance, • Work on mission-critical National Security programmes We are supporting a highly respected organisation delivering some of the UK's most sensitive National Security programmes. Due to continued project growth, we are looking for an experienced Infrastructure Test Engineer to join a specialist team responsible for validating secure infrastructure within complex, high-assurance environments. This is an opportunity to play a key role in ensuring critical infrastructure performs reliably, securely and to the highest possible standards. You will be responsible for testing, validating and assuring enterprise infrastructure across a range of secure platforms. Working alongside infrastructure, networking and platform engineering teams, you'll develop and execute test strategies, identify defects, and ensure systems are ready for deployment into live operational environments. The role will involve functional, integration and system testing across infrastructure components, with a strong focus on automation, performance and security assurance. • Active UK eDV Clearance, • Experience testing enterprise IT infrastructure, • Strong understanding of Windows and/or Linux Server environments, • Knowledge of networking technologies including TCP/IP, DNS, DHCP and Firewalls, • Experience writing and executing test plans, test cases and test reports, • Understanding of defect management and test lifecycle processes, • Excellent troubleshooting and analytical skills, • Experience working within secure or highly regulated environments, • Experience with VMware, Hyper-V or virtualised environments, • Knowledge of PowerShell, Bash or Python scripting, • Experience with infrastructure automation tools such as Ansible or Terraform, • Familiarity with CI/CD pipelines and automated infrastructure testing, • ISTQB Foundation or equivalent testing certification, • Previous experience supporting National Security or Defence programmes Infrastructure Test Engineer / Infrastructure Testing / Platform Testing / Windows Server / Linux / VMware / Networking / Automation / PowerShell / Python / Ansible / Terraform / ISTQB / eDV Cleared / UKIC / National Security / Cheltenham #J-18808-Ljbffr

• Location: Gloucestershire, • SC Clearance required to start with the opportunity to be sponsored through DV Clearance after joining, • Salary: Up to £65,000 + Clearance Bonus An exciting opportunity has arisen for a technically versatile engineer to join a growing team delivering secure, mission-critical systems within a highly regulated environment. This role combines hands-on software engineering with Site Reliability and DevOps responsibilities, making it ideal for someone who enjoys both developing applications and improving the reliability, automation and operational performance of the environments they run in. You'll work closely with engineering teams across the full software lifecycle, contributing to application development, deployment automation, monitoring and live service support. • Develop and maintain secure, scalable software applications and services, • Support and enhance critical live systems, improving reliability and stability, • Automate operational and deployment tasks to reduce manual effort, • Contribute to backend and service development using Java and Python, • Work across frontend and scripting technologies including JavaScript and TypeScript, • Implement and improve monitoring, logging and alerting capabilities, • Troubleshoot issues across application, infrastructure and platform layers, • Collaborate with development and infrastructure teams to improve delivery processes, • Support CI/CD and modern DevOps practices, • Participate in Agile Scrum teams and continuous improvement initiatives, • Required Skills & Experience, • Commercial experience in Software Engineering, DevOps or Site Reliability Engineering, • Strong development experience with Java, • Experience with JavaScript, TypeScript and/or Python, • Good understanding of Linux environments and command-line tooling, • Experience troubleshooting applications and distributed systems, • Familiarity with cloud platforms such as AWS, Azure or OpenStack, • Experience with container technologies such as Docker, • Knowledge of monitoring and logging tools such as ELK, • Understanding of CI/CD pipelines and deployment automation, • Strong problem-solving and debugging skills, • Experience working within Agile teams, • Exposure to infrastructure automation tools, • Experience with microservices architectures, • Familiarity with MongoDB, Elasticsearch or similar technologies, • Knowledge of DevOps and SRE best practices, • Understanding of operational support within secure environments, • Experience improving system observability and performance, • Active SC Clearance is required for this role + eligibility for DV Clearance, • Due to the nature of the work, additional security checks may be required, • Hybrid working arrangements may be available depending on project requirements, • Salary up to £60,000, • Flexible and hybrid working options, • Ongoing training and professional development, • Opportunity to work on secure, high-impact technology programmes, • Collaborative engineering-focused environment #J-18808-Ljbffr

This is where your work makes a difference. At Baxter, we believe every person—regardless of who they are or where they are from—deserves a chance to live a healthy life. It was our founding belief in 1931 and continues to be our guiding principle. We are redefining healthcare delivery to make a greater impact today, tomorrow, and beyond. Our Baxter colleagues are united by our Mission to Save and Sustain Lives. Together, our community is driven by a culture of courage, trust, and collaboration. Every individual is empowered to take ownership and make a meaningful impact. We strive for efficient and effective operations, and we hold each other accountable for delivering exceptional results. Here, you will find more than just a job—you will find purpose and pride. Baxter is seeking a highly experienced Senior Site Reliability Engineer to join our dynamic team in Gloucester on a mission to save and sustain lives through a growing portfolio of connected devices. In this role, you will be responsible for providing administration, operation support and monitoring of customer facing digital health software applications and platforms deployed in the Baxter’s Azure cloud platform. You will also be responsible for defining and documenting processes to ensure that required security, privacy and other compliance standards are maintained. • Drive strategies to ensure 24x7 availability of services and business continuity for customer facing healthcare software applications and platforms hosted on Microsoft Azure cloud., • Manage and administer Azure resources, including virtual machines, databases, and networking components., • Define and document operating procedures to ensure required security, privacy and other compliance standards are maintained for digital solutions deployed in cloud., • Manage process, planning, and execution for Disaster Recovery (DR) and Business Continuity Planning (BCP), • Define and refine Operations SLAs to maintain high level of Customer Satisfaction. Establish non-functional requirements to meet SLAs., • Establish infrastructure and application monitoring dashboards and workflow for automatic routing of notifications., • Define key performance indicators that can be monitored, measured, and used to derive opportunities., • Standardize site metrics for partners, reporting on various benchmarks including SLAs, availability, capacity utilization, service metrics and cost utilization., • Work closely with DevOps Engineers to automate infrastructure provisioning and deployment processes., • Bachelor’s degree in computer science, IT, or related field (or equivalent experience), • Prior experience in Site Reliability Engineering and cloud-based infrastructure management, • Experience in enterprise engineering, including 24x7 uptime, regulated environments, and planning/operations, • Azure administration and operations experience, with certifications a plus, • Knowledge of related technologies, including cloud, encryption, and security protocols, • Systems administration experience in Windows and Linux environments, • Proven problem-solving skills and experience with scripting and automation tools, • Ability to create accurate documentation and reports, with excellent communication skills, • Competitive Annual Salary, • 25 days annual leave plus bank holidays (Increasing with service), • Working hours, 37.5 p/w M-F. (on call out rotation, notified in advance once every 1-2 months), • Up to 8% pension contribution, • Subsidised canteen, • Westfield healthcare, • Employee discount scheme, • Employee assistance programme, • Strong internal progression opportunities Thank you for being so interested in Baxter, we look forward to discussing this role with you! Baxter is an equal opportunity employer. Baxter evaluates qualified applicants without regard to race, color, religion, gender, national origin, age, sexual orientation, gender identity or expression, protected veteran status, disability/handicap status or any other legally protected characteristic. Baxter is committed to working with and providing reasonable accommodations to individuals with disabilities globally. If, because of a medical condition or disability, you need a reasonable accommodation for any part of the application or interview process, please click on the link here and let us know the nature of your request along with your contact information. Baxter has discovered incidents of employment scams, where fraudulent parties pose as Baxter employees, recruiters, or other agents, and engage with online job seekers in an attempt to steal personal and/or financial information. To learn how you can protect yourself, review our Recruitment Fraud Notice. #J-18808-Ljbffr

DV Cleared Integration Engineer Location: Gloucester Clearance: Active DV Clearance Required Type: Contract We are seeking an experienced Integration Engineer to join a high-performing team delivering cutting-edge technology solutions within the UK Defence and National Security sector. Based in Gloucester, this role offers the opportunity to work on mission-critical programmes, supporting the integration, deployment and maintenance of secure systems within highly classified environments. As an Integration Engineer, you will play a key role in bringing together infrastructure, platforms and applications to ensure the successful delivery of complex technical solutions. Working closely with software engineers, platform teams and end users, you will support the full integration lifecycle, from build and deployment through to testing, troubleshooting and operational support. This is an excellent opportunity for someone who enjoys solving complex technical challenges, working with modern technologies and contributing to projects that have a direct impact on national security. • Integrate and deploy software applications across secure environments., • Configure, administer and troubleshoot Linux-based systems., • Build, maintain and support containerised solutions using Docker., • Support system testing, validation and acceptance activities., • Investigate and resolve integration, deployment and performance issues., • Work closely with development, infrastructure and DevOps teams to ensure seamless system delivery., • Produce and maintain technical documentation, installation guides and support procedures., • Assist with automation and continuous improvement initiatives across deployment and integration processes., • Strong hands-on experience with Linux administration and support., • Proven experience working with Docker and containerised environments., • Previous experience in systems integration, deployment or platform engineering roles., • Knowledge of networking concepts and troubleshooting methodologies., • Experience with scripting or automation tools such as Bash, Python or similar., • Ability to work effectively within highly secure and regulated environments., • Strong analytical and problem-solving skills., • Exposure to Kubernetes or container orchestration technologies., • Experience with CI/CD pipelines and DevOps practices., • Knowledge of cloud technologies and infrastructure platforms., • Previous experience working within Defence, Government or National Security programmes., • The opportunity to work on some of the UK's most sensitive and technically challenging Defence projects., • Access to modern technologies and complex engineering environments., • Long-term programme work with genuine opportunities for career progression., • Collaborative and highly skilled engineering teams., • Competitive salary/day rate and comprehensive benefits package. Please note: Due to the nature of the work, candidates must hold current and transferable DV Clearance to be considered for this opportunity. Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients. #J-18808-Ljbffr

Radiant is pursuing an experienced Infrastructure Site Reliability Engineer to run and evolve our AI-native infrastructure stack in the UK. You’ll cover bare-metal, virtualization, and orchestration layers while mentoring teammates and improving automation to support AI/HPC workloads. You will configure and operate resilient Linux systems (Ubuntu), refine performance, and contribute to the observability stack with Prometheus and Grafana. #J-18808-Ljbffr

Our client is a world leader in missile and missile systems, seeking an adaptable Embedded Software Engineer to join their growing Software team in Bristol. As part of their growing dynamic Software team, you will develop the latest mission-critical defence systems. You'll be developing critical missile control software, contributing across the full Software Development Life Cycle. You will work as part of a medium-sized team and be empowered to work individually with little supervision. Embedded Software Engineer up to 70 per hour via Umbrella Monday- Friday, 37 Hours per week, 6-month contract Bristol - onsite Inside Security Clearance required to start • Development on Linux of Embedded Real-Time software using Rhapsody & C++ in a multi-threaded Application to software requirements & ICDs., • Writing unit/functional tests and conduct integration testing with the target hardware., • Adhering to the agreed Project Planning and Project Quality processes., • Use JIRA for project management and issue tracking, • The role will involve working within a lab environment running software on target hardware., • Significant experience of developing and debugging Real time Software applications using C++., • Considerable experience of Rhapsody UML or other model-driven development tool., • Extensive experience in developing functional and integration tests as well as simulation and hardware testing., • Proven experience of developing and testing software to requirements and ICD's., • Competent with MS Office tools/DOORS, for reviewing and updating technical documentation., • Working understanding of configuration management tools such as RTC/EWM., • Knowledge of Python / Ada / FreeRTOS would be highly beneficial., • Due to the nature of this project the right behaviours are important; can-do attitude, proactive & adaptable and strong communicator. #J-18808-Ljbffr

Our client is a growing National Security technology organisation delivering critical solutions that support some of the UK's most important defence and government programmes. They are looking for a DV Cleared DevOps Engineer to join a highly capable engineering team responsible for building, automating and supporting secure cloud and on-premise environments. This is an opportunity to work on meaningful projects, modern infrastructure and large-scale secure systems while collaborating with highly skilled engineers. • Designing and maintaining CI/CD pipelines, • Developing Infrastructure as Code solutions using Terraform, Ansible and similar technologies, • Managing Linux-based infrastructure, • Supporting AWS, Azure or GCP environments, • Automating deployment and operational processes, • Deploying and supporting containerised applications using Docker and Kubernetes, • Implementing monitoring, alerting and observability solutions, • Troubleshooting infrastructure and deployment issues, • Improving reliability, scalability and security across engineering platforms, • Active DV Clearance (eDV or UKIC DV), • Commercial DevOps, Platform Engineering or Infrastructure Engineering experience, • Strong Linux administration skills, • Experience with CI/CD tooling, • Terraform, Ansible or similar IaC tools, • Docker and Kubernetes, • AWS, Azure or Google Cloud, • Understanding of networking and security principles, • Strong Git knowledge, • Excellent troubleshooting abilities #J-18808-Ljbffr

Our client is urgently looking for an experienced Site Reliability Engineer to join their team on a contract basis, initially for 6 months with a view to extend. Please note, the role is OUTSIDE of IR35. You must hold live UKIC DV. The role is on-site 4 days per week in Gloucester. • Must hold a live UKIC DV, • Modern configuration management tools (such as Ansible, Chef or similar), • Experience working with Terraform, • Docker containers & container orchestration tools (such as Kubernetes, OpenShift or Docker Swarm), • Using and maintaining CI / CD tools (such as Jenkins or similar), • Experience with monitoring tools such as InfluxDB, Prometheus or Grafana., • Event-driven integration with MQ messaging (RabbitMQ or similar AMQP solution), • Good understanding of relational databases and SQL, • Linux command line, administration and shell scripting, • Working knowledge of network security protocols, • Experience using, developing with and maintaining cloud hosting services (ideally AWS EC2, RDS, S3, Lambda) #J-18808-Ljbffr

Stratospherec is recruiting for an Infrastructure Engineer with cybersecurity knowledge for a rapidly growing SaaS business management software company in central Bristol. This is an opportunity to take ownership of the infrastructure and cyber security that support the company s software platforms and internal operations. You ll combine hands-on technical work with operational oversight, working closely with Engineering and colleagues across the business to keep systems secure, reliable and ready for continued growth. If you enjoy solving technical problems, strengthening security and seeing improvements through from planning to delivery, this role offers broad responsibility and the opportunity to shape how the infrastructure function develops. You ll manage a varied Microsoft and Azure environment, oversee cyber security controls and lead improvements across infrastructure, identity, monitoring, backups and recovery. You ll also provide technical direction to colleagues supporting the function, with the potential to take on direct line management responsibilities as the team structure develops. • Managing hybrid identity across Active Directory and Microsoft Entra ID, including Group Policy, Entra Connect synchronisation, privileged access and access reviews., • Administering Windows Server, Microsoft 365 and Azure infrastructure, including virtual machines, networking, storage and role-based access., • Maintaining network services and equipment, including DNS, DHCP, NAT, VPNs, certificates and UniFi., • Administering IIS and supporting website deployment, configuration and troubleshooting., • Identifying security vulnerabilities and threats, prioritising remediation and maintaining secure configurations and patching processes., • Supporting Cyber Essentials certification, security reviews and audits., • Managing backups, testing restores and maintaining documented business continuity and recovery procedures., • Leading the technical response to infrastructure and security incidents, communicating risks and implementing improvements., • Owning the infrastructure and cyber security work plan, balancing support needs, maintenance and improvement projects., • Maintaining monitoring, technical documentation and oversight of suppliers, hosting, licences, equipment and renewals., • Using PowerShell to automate administration and working with Engineering to support releases and infrastructure changes., • Acting as an escalation point for end-user support and overseeing device setup, replacement and secure disposal. You ll bring a strong hands-on infrastructure background, practical cyber security experience and the confidence to take ownership of a broad technical environment. You should have experience with: • Active Directory, Group Policy, Windows Server and patch management., • Microsoft Entra ID and Entra Connect in a hybrid identity environment., • Microsoft 365, including Exchange Online, SharePoint, OneDrive and Teams., • Azure virtual machines, virtual networks, network security groups, storage and access controls., • Writing, troubleshooting and maintaining PowerShell scripts., • Network fundamentals, including subnetting, DNS, DHCP, NAT, VPNs and certificates., • UniFi or a comparable networking platform, with the ability to learn UniFi quickly., • Backup management, restore testing and documented recovery procedures., • IIS administration and website deployment and troubleshooting., • End-user support and device lifecycle management., • Cyber security risk assessment, vulnerability remediation and exposure to Cyber Essentials requirements and assessments. The following would be advantageous: • Dedicated or bare metal hosting, including providers such as Hetzner or Fasthosts., • Ubuntu Linux, TrueNAS, Docker or basic Microsoft SQL Server operations., • Monitoring tools such as Azure Monitor or Grafana., • Git for version control., • AZ-104 certification or equivalent practical experience., • Supporting ISO 27001 audits or SOC 2 assessments., • Identifying and addressing AI-enabled cyber threats., • Supervising or line managing technical colleagues., • Annual salary £55k to £65k per annum., • Private medical insurance., • Private dental insurance., • Perkbox employee perks and discounts., • Pension scheme., • Flexibility around specific working hours by agreement. The role is based at the company s central Bristol office, working 40 hours per week. #J-18808-Ljbffr

ManpowerGroup is seeking a Senior Linux Engineer (OCI) to administer and support Linux infrastructure within Oracle Cloud Infrastructure for a secure government programme. The role is remote across the UK with a six-month duration. The candidate will manage RHEL and Oracle Linux environments, execute OS upgrades, platform migrations, patching, and drive infrastructure modernisation efforts while ensuring security hardening and compliance across OCI. #J-18808-Ljbffr

At CGI, our Space, Defence and Intelligence business unit delivers mission-critical systems that help keep the UK safe and secure. As a DevOps Engineer, you will play a key role in building, automating, and optimising secure, scalable platforms that underpin critical services. Working on complex, high-impact programmes, you will drive continuous integration and delivery, enabling faster, more reliable deployments. You’ll take ownership of DevOps practices, contribute innovative solutions to technical challenges, and collaborate with expert teams in an environment that supports your growth and impact. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This position will be based on site near Gloucester 5 days a week. In this role, you will design, build, and maintain CI/CD pipelines and automation frameworks to support the delivery of secure, reliable systems within on-premise environments. You will take ownership of streamlining development and deployment workflows, ensuring platforms are scalable, resilient, and aligned with business and technical requirements. You will work closely with software developers, infrastructure engineers, and security teams to implement best practices across automation, containerisation, and system monitoring. Supported by a collaborative team, you will contribute creative solutions to improve performance, enhance deployment speed, and maintain high standards of system reliability and security. • Build & Maintain CI/CD pipelines using tools such as Jenkins and Git-based platforms, • Automate & Optimise infrastructure provisioning using Terraform, Ansible, and scripting, • Develop & Support backend tooling using Java, Python, C#, or C++, • Deploy & Manage containerised applications using Docker and Kubernetes, • Monitor & Troubleshoot system performance across infrastructure and applications, • Integrate & Support messaging systems (ActiveMQ, RabbitMQ) and databases (MySQL), • Secure & Maintain systems in line with PKI and enterprise security standards You should have strong experience in DevOps or platform engineering roles, with a solid understanding of automation, CI/CD, and infrastructure management within secure or enterprise environments. You will bring a proactive, collaborative approach and the ability to work across complex technical landscapes. • You should have experience in DevOps, automation, or platform engineering roles, • Proficiency in scripting or development (Java, Python, C#, or C++), • Strong Linux system administration skills, • Experience with Terraform, Ansible, or similar automation tools, • Familiarity with Docker and Kubernetes, • Experience with CI/CD tools (e.g., Jenkins, Git, Bitbucket), • Knowledge of messaging systems (ActiveMQ, RabbitMQ) and MySQL, • Understanding of PKI and security best practices #J-18808-Ljbffr

We'll inspire and empower you to deliver your best work so you can evolve, grow and succeed - today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive and diverse team who always strive to do the right thing for our people, clients and communities. People are our greatest asset, and we offer a competitive package to retain and attract the best talent. In addition to the benefits you'd expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. We also give back to our communities through our Collectively program which incorporates matched-funding, paid volunteering time and charitable donations. Work-life balance and flexibility is a key focus area for us. We're happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business. Amentum is currently seeking an experienced High Performance Computing (HPC) Engineer experienced in supporting Linux environments to work supporting a High-Performance Computing environment. You will be a key contributor in supporting and evolving our high-performance computing infrastructure. • Provide ongoing support for RHEL Linux systems and applications., • Diagnose and repair physical faults and issues within these systems, such as corrupt disks or failing components., • Troubleshoot software/OS problems within the systems and applications, and either implement a fix or inform the end user on how to proceed., • Investigate and implement requests for change (e.g., new software or configuration changes)., • Ensure that any applications and/or codes run on these systems do not pose a security threat to the system., • Monitor the performance/usage of the systems by creating automated scripts and utilising a separate monitoring server; create comprehensive reports with this information., • Write and update documentation for end users and system administrators., • Assist in the design and implementation of new HPC systems., • Bachelor's degree in Computer Science, Engineering, Physics, or a related technical field., • At least 3 years' experience working on Linux IT related systems., • Knowledge of Linux system administration., • Familiarity with at least one scripting language (e.g., Bash, Python)., • Interest in high-performance computing and willingness to learn Slurm, xCAT, and Ansible., • Strong problem-solving skills and attention to detail., • Good communication and collaboration skills., • Ability to work independently with mentorship and as part of a team., • Sole UK National status due to Role and Client requirement., • Ability to attain UKSV Security Clearance., • Ability to work on site 5 days a week. No hybrid/remote working option., • Internship or academic experience in a research computing or HPC environment., • Exposure to job schedulers (e.g., Slurm, LSF)., • Familiarity with version control systems (e.g., Git)., • Coursework or projects involving distributed systems, networking, or parallel computing., • Understanding of basic cybersecurity concepts. Our values stand on a foundation of safety, integrity, inclusion and diversity. We put people at the heart of our business, and we genuinely believe that we all succeed by supporting one another through our culture of caring. We value positive mental health and a sense of belonging for all employees. We aim to embed inclusion and diversity in everything we do. We know that if we are inclusive, we're more connected, and if we are diverse, we're more creative. We accept people for who they are, regardless of age, disability, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you're pregnant or on family leave. This is reflected in our wide range of Global Employee Networks centered on inclusion and diversity. We partner with VERCIDA to help us attract and retain diverse talent. For greater online accessibility, please visit to view and access our roles. As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact . #J-18808-Ljbffr

Radiant is seeking a senior Infrastructure Site Reliability Engineer to own and improve large‑scale GPU‑accelerated HPC infrastructure in a 24/7 production environment. You will work across network, storage, virtualization and orchestration with hands‑on Linux expertise, NVIDIA GPU ecosystems, RoCE/InfiniBand, and performance benchmarking. This role champions observability, automation and on‑call reliability, shaping next‑gen HPC platforms within a globally distributed team. #J-18808-Ljbffr

Proactive Appointments seeks an experienced Site Reliability Engineer to join a client on a 6‑month contract, outside IR35. The role is on‑site in Gloucester, four days per week, with potential extension depending on project needs. The ideal candidate will bring hands-on experience with configuration management, Terraform, container orchestration (Kubernetes/OpenShift), Jenkins, monitoring (Prometheus/Grafana/InfluxDB), MQ messaging (RabbitMQ), SQL databases, Linux shell, security protocols, and #J-18808-Ljbffr

CoreTech Security is seeking an experienced software engineer to contribute to end-to-end cyber security products. You’ll work hands-on in project delivery with one or two colleagues, shaping architecture and mentoring junior colleagues to share best practices. The role focuses on C/C++ development across embedded and mobile platforms (Windows, macOS, Linux, iOS, Android), with emphasis on robust testing, static analysis, and CI. Competitive benefits and relocation support are offered. #J-18808-Ljbffr

Senior Firmware Engineer now required in Gloucestershire to join an exciting start up company. I am seeking a highly skilled Senior Firmware Engineer with 10 years plus expertise developing low level Embedded software and a proven track record developing and delivering firmware from creating requirements, architecture design, implementation and release. Suitable applicants will have a relevant degree and the following skills: Embedded C/ C++ ARM-based microcontrollers Experience with STM32 family Bare-metal development RTOS development (Zephyr, FreeRTOS) Embedded linux expertise Communications protocols (UART/I2C/SPI/LoRA) BLE/WiFi/GPRS interfacing Bootloaders and OTA fro updating multi processor products Experience debugging hardware using logic analysers and oscilloscopes It would be beneficial to have safety critical expertise and also a strong appreciation for hardware. Applicants should be excellent self driven and confident problem solvers with strong communication. You need to be the sort of Engineer who is able to get stuck into whatever is required. Superb salary and benefits for a top notch Engineer. This is an office based role. Send your CV to Emma Windows at IC Resources.

Our client is a major UK defence and security technology business working across advanced communications, RF systems, cyber and intelligence programmes. They are looking for a Communications Systems Engineer to support the design, integration and optimisation of SDR-based communication systems used in complex mission environments. This role is focused on the system-level design of software-defined radio systems, with work covering architectures, interfaces, protocols, encoding schemes, network topologies and link budgets. It would suit someone who understands how communication systems fit together across hardware, software, RF and wider mission system environments. As a Communications Systems Engineer, you will be involved in defining and improving SDR system architectures, supporting protocol and interface development, modelling network performance, and helping to integrate communication systems into larger platforms. The work will also include testing, validation and ensuring systems meet the required performance, interoperability and operational standards. They are looking for someone with strong experience in SDR system architecture, communication protocols, network design, link budgets and system integration. Knowledge of areas such as TCP/IP, IEEE 802 standards, cellular network standards, forward error correction, network modelling or system design tools would be highly relevant. Experience with OpenCPI, GNU Radio, Python, C/C++, Linux, GitLab, real-time communications, network management tools or defence/cyber communications systems would also be useful. This is a good opportunity for a Communications Systems Engineer who wants to work on technically interesting SDR and communications systems, with exposure to RF, software, network modelling and wider mission system integration. This role is based in Gloucester and requires DV clearance. Salary is £72,500 to £90,000, plus benefits and bonus. For more information, please reach out to Teddy Jones at IC Resources.

Our client is a major defence and aerospace company. Date Posted: 2026-08-28 Country: United Kingdom Location: Gloucester, South Gloucestershire Position Role Type: Unspecified Our client have a full time, permanent opportunity for a Test Engineer to join our teams in Gloucester, Manchester or London working fully onsite. You'll be part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of business areas. Due to the interesting work we do and the sector this team is working in, we require all candidates to currently hold eDV clearance. In this area of the business we prove DevSecOps at scale, Artificial Intelligence, Machine Learning, cyber and geospatial intelligence capabilities to support the defence, intelligence and cyber sectors. Collaborating with customers and suppliers to deliver secure, mission critical systems using the latest technologies and innovations. Responsibilities Apply test skills and experience within the context of an Agile software delivery team Responsible for the creation and maintenance of automated test frameworks Define and manage test environments; create and manage test data; define and manage test tools Support test team interactions with the wider development team and assist in the resolution of issues Contribute to the production of test documents using appropriate tools as required Raise defects and support the wider development team in their resolution Manage creation of automated and manual test scripts Produce test and deployment strategies and plans in compliance with customer project guidelines Required Skills and Experience Experience of working in an Agile/Scrum/DevOps delivery model Experience of deploying and configuring complex software under Linux/Windows Understanding of the systems engineering lifecycle and demonstrable evidence of relevant test methodologies and toolsets Experience producing test plans and reports using applicable tools Desirable Experience of test automation frameworks and tools. Experience of scripting languages and scripting for automation. AWS and/or Azure Continuous Integration Linux system administration Ability to review and apply different tools and techniques e.g. monitoring, logging, performance testing We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please do make an application and we will identify where we can best support your growth specific to your application. Benefits: Contributory Pension Scheme (up to 10.5% company contribution) 6 times salary ‘Life Assurance' with pension 25 days holiday (increasing with service) + statutory public holidays, plus opportunity to buy and sell up to 5 days Company bonus scheme (discretionary) Flexible Benefits scheme with extensive salary sacrifice schemes, including Health Cashplan, Dental, and Cycle to Work amongst others Enhanced sick pay Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave Work Culture: 37hr working week Early 1.30pm finish Friday, start your weekend early! Up to 5 paid days volunteering each year. Flexible working culture focused on output, with more formal flexible working arrangements on request (assessed subject to role) - please highlight any requests to the Talent Acquisition team. About us We take immense pride in being a leader in defence and aerospace technology. As an employer, we are dedicated to fuelling innovation, nurturing talent, and fostering a culture of excellence. Joining our team means being part of an organisation that shapes the future of national security whilst investing in your growth and personal development. We provide a collaborative environment, abundant opportunities for professional development, and a profound sense of purpose in what we do. Together, we are not just advancing technology; we're building a community committed to safeguarding a safer and more connected world. Its parent company Our client is a landed company and part of the wider its parent company organisation. Headquartered in Arlington, Virginia, USA, but with over 180,000 employees globally across every continent, its parent company provides advanced systems and services for commercial, military and government customers worldwide and comprises three industry-leading businesses – an aircraft systems business, an aircraft engines business, and our client. Supporting over 35,000 jobs across 13 UK sites, its parent company is helping to drive prosperity. Each year our work contributes over £2.7bn to the UK economy and offers a wealth of opportunities to 4,000 suppliers across England, Scotland, Wales and Northern Ireland. We're investing in all corners of the country, supporting 29,040 jobs in England, 3,040 in Northern Ireland, 1,900 in Scotland and 1,600 in Wales. Its parent company adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law. Privacy Policy and Terms: Click on this link to read the Policy and Terms TPBN1_UKTJ

Line Up Aviation is seeking an adaptable Embedded Software Engineer in the Bristol area to join a growing defence software team. You will develop mission-critical embedded software, participate in the full SDLC, and work in a medium-sized team with autonomy. The role involves Linux RT software development, Rhapsody UML, and rigorous testing across unit, integration, and hardware interfaces within a lab setting. A 6-month contract with a Monday–Friday schedule is offered, onsite in Bristol. #J-18808-Ljbffr

Amentum is seeking an experienced HPC Engineer to support and evolve Linux-based high-performance computing environments in the UK. You will be a key contributor in maintaining and expanding our HPC infrastructure, with a focus on reliability, security, and performance. The role requires a technical degree, 3+ years of Linux experience, and willingness to learn Slurm, xCAT, and Ansible. On-site work five days a week and eligibility for UK security clearance are essential. #J-18808-Ljbffr

Java Software Engineer / £70,000 £90,000 / Fully Remote DV Clearance Eligibility Required Build innovative software. Solve complex challenges. Make a real impact. TwinStream is looking for an experienced Java Software Engineer to join our agile development team, building components for a sophisticated cross-domain security system. This is an opportunity to work on technically challenging projects, contribute throughout the full software development lifecycle and collaborate with talented engineers to develop secure, high-quality solutions. Founded in 2019 by engineers tackling complex challenges within government organisations, TwinStream combines technical excellence with outstanding client service. We've grown to more than 100 people across the UK, delivering innovative solutions in a collaborative and supportive environment. You’ll be involved in everything from understanding requirements and designing solutions to coding, testing, deployment and ongoing support. We're looking for more than someone who can write code you'll bring curiosity, strong problem-solving skills and a genuine interest in understanding the challenges behind the technology. • Designing, developing and maintaining high-quality Java software., • Investigating technologies and identifying effective technical solutions., • Writing and maintaining unit, acceptance and performance tests., • Supporting deployment pipelines and working closely with DevOps specialists., • Troubleshooting complex technical issues and providing third-line support., • Participating in code reviews, pair programming, planning and estimation., • Working collaboratively within an agile team to deliver reliable, maintainable software. You’ll have strong Java development experience, an agile mindset and a passion for solving complex technical problems. • Java development, ideally using Spring Boot., • Agile practices, including TDD, BDD, continuous delivery, DevOps and pair programming., • Experience with AWS services, including S3, Fargate, Lambda, SQS and SNS., • Databases such as PostgreSQL, Oracle, MongoDB or DynamoDB, plus JPA., • REST APIs, RabbitMQ, Docker and Linux., • Infrastructure and automation tools, including Terraform, Ansible and Kubernetes., • CI/CD and version control tools such as Jenkins, Git, Bitbucket and GitLab., • Strong communication, collaboration and problem-solving skills, with a positive and open approach to teamwork. Desirable: Experience with OpenShift, Docker Compose/Swarm, Python or other languages such as JavaScript, Go and Bash. You don't need experience with every technology listed. If you have solid Java skills and enjoy learning, collaborating and tackling challenging engineering problems, we'd love to hear from you. • £70,000 £90,000 salary, • Fully remote working, with potential travel to the Bristol office in the future, • The opportunity to work on technically challenging and meaningful projects, • A collaborative team environment focused on technical excellence, • The chance to develop your skills while contributing across the full software development lifecycle Join TwinStream and help build secure, high-quality software that tackles complex real-world problems. #J-18808-Ljbffr

As a Cloud Platform Engineer at CGI, you'll help shape and operate secure, resilient cloud services that support critical client missions. Joining GTO Advisory on a major long-term secure cloud programme, you'll combine hands-on engineering with technical leadership to mobilise, automate and continually improve a highly controlled Oracle Cloud Infrastructure environment. You'll have the ownership to solve complex challenges, influence engineering standards and create smarter ways of working, supported by specialists across security, architecture, service management and engineering. With opportunities to deepen your cloud expertise and share your knowledge with others, you’ll play a key role in delivering reliable, high-value services while building your career within CGI's collaborative community., In this role, you will provide hands-on technical leadership across the mobilisation, transition and ongoing operation of a secure cloud platform. You'll configure, operate and improve OCI services and their supporting infrastructure, using automation and Infrastructure as Code to create reliable, repeatable solutions and reduce manual effort. You'll take ownership of complex engineering challenges while working collaboratively with security, architecture, service management and engineering colleagues. You'll help establish engineering standards, share your expertise with other engineers and identify creative opportunities to improve resilience, performance and operational effectiveness. You'll be supported by a strong technical community while continuing to develop your expertise across cloud and platform technologies. • Lead & Engineer: Provide hands‑on technical leadership across the build, transition and operation of a secure cloud platform., • Configure & Improve: Operate, maintain and continually enhance OCI services and supporting infrastructure., • Automate & Simplify: Develop repeatable infrastructure and operational automation using Infrastructure as Code, Terraform and scripting., • Operate & Troubleshoot: Administer Kubernetes, Linux, networking and other platform components aligned to your areas of expertise., • Monitor & Optimise: Implement monitoring, logging, alerting and observability to strengthen service reliability and performance., • Diagnose & Resolve: Lead the investigation and resolution of complex incidents and problems within a critical service environment., • Plan & Assure: Coordinate releases, changes and maintenance activity while protecting service continuity., • Secure & Strengthen: Apply secure‑by‑design principles and contribute to capacity planning, resilience and lifecycle management., • Set Standards & Support: Review technical work, maintain clear documentation and mentor other engineers without formal line management responsibility., • Innovate & Improve: Identify opportunities to reduce manual effort, prevent recurring issues and improve the safety and effectiveness of the service. You should bring substantial hands‑on experience of building, operating or improving production cloud or platform services, together with evidence of technical leadership on complex engineering work. You’ll need strong operational judgement, analytical problem‑solving skills and the ability to collaborate effectively across technical disciplines. • Deep expertise in at least two relevant platform domains is important. Extensive OCI experience is advantageous rather than essential, with targeted OCI training and certification available before deployment where required., • Cloud & Platform Experience: Substantial hands‑on experience building, operating or improving production cloud or platform services., • Technical Leadership: Proven ability to lead complex engineering activity, make sound technical decisions and influence across team boundaries., • Platform Operations: Strong knowledge of modern cloud/platform operations, including incident, problem, change and release practices., • Infrastructure as Code: Practical experience with Infrastructure as Code, automation and scripting, with Terraform particularly relevant., • Technical Depth: Deep capability in at least two areas such as Kubernetes/container platforms, Linux, cloud or data centre networking, automation, observability, OCI/Oracle technologies, cloud security or physical infrastructure., • Problem Solving: Strong analytical and troubleshooting skills, including the ability to work methodically during high‑impact incidents., • Communication & Collaboration: Clear written and verbal communication skills, alongside a collaborative approach to knowledge sharing and continuous improvement., • Cloud Knowledge: OCI experience or certification is advantageous, as is AWS engineering or operations experience., • Secure Environments: Experience operating isolated, disconnected, private cloud or similarly controlled environments is desirable., • Certifications: Relevant Kubernetes, Linux, networking, security, service management or cloud certifications are advantageous., • Development: If you do not have substantial OCI experience, you must be willing to undertake targeted OCI training and certification before deployment., • Location & Attendance: This is initially a hybrid role but you must live within practical commuting distance of either Gloucester or London and be willing to attend the other location when operationally required. The normal expectation is at least two days per week onsite, although some secure assignments may require up to five days onsite., • Shift Working: You must be willing to work across the current 08:00-16:00 and 16:00-00:00 shifts as part of an agreed operational rota. An additional shift allowance applies to eligible late‑shift working. There is currently no routine weekend, bank holiday or on‑call requirement., • Security Clearance: You must be a sole British citizen and be able and willing to obtain and maintain SC clearance before deployment. You must also be willing to undergo higher‑level national security vetting where required and continue to meet the relevant clearance conditions. Existing SC or higher‑level clearance is advantageous but not essential, and CGI will support the appropriate sponsorship or transfer process for successful applicants. Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because… You are invited to be an owner from day 1 as we work together to bring our Dream to life. That's why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company's strategy and direction. Your work creates value. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise. You'll shape your career by joining a company built to grow and last. You'll be supported by leaders who care about your health and well‑being and provide you with opportunities to deepen your skills and broaden your horizons. That same commitment to fairness extends to how we use technology. To support our recruitment team, AI tools may be used to help assess applications though they never replace human judgement. All hiring decisions remain entirely in the hands of our recruitment professionals. Come join our team-one of the largest IT and business consulting services firms in the world.Discover CGI London, England, United Kingdom > 1000 employees IT services We are a global business with 91,500 professionals across hundreds of locations worldwide, providing end‑to‑end IT and business process services that drive our clients' businesses. In the UK alone, we have around 6,000 member‑partners working across 19 towns and cities, doing everything from writing complex code to designing sophisticated software solutions. The work we do powers some of the most ambitious projects that touch the lives of many. Our approach sets us apart, characterised by our proximity model, international presence, expertise, and operational excellence. We organise our operations within metro markets where our clients have concentrated footprints, empowering our local teams to build trusted, in‑person relationships. As you build your career here, you'll develop your skills, share your insights, and work side‑by‑side with colleagues and clients on innovative solutions that address the most complex issues. Our commitment to ownership, flexibility, and being approachable makes us easy to do business with. Join us, and together, as owners, let's turn meaningful insights into action to meet the needs and balance the interests of our clients, shareholders, communities, and each other. • Insurance coverage, • Medical benefits, • Pension plan, • Member Assistant Programme, • Check4Cancer, • Flexible time off, • Share Purchase Plan, • Member discounts, • Dental benefits, • Vision benefitsProfit Participation Plan, • Health and Wellbeing Programme CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK 'Best Employer' by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you'll be part of an open, friendly community of experts. We'll train and support you in taking your career wherever you want it to go. #J-18808-Ljbffr

Ncounter is supporting a growing technology consultancy looking for a Technologist to take a leading role across R&D, solution design and the technical development of new client opportunities. This is not a traditional Software Engineer position. You will combine hands‑on engineering with architecture, rapid prototyping and technical consultancy, helping turn complex problems into credible solutions. A significant part of the role will involve providing the technical thinking behind bids, working out how a proposed solution could actually be designed and delivered, then confidently presenting those ideas to technical stakeholders. You will also remain hands‑on, developing Proofs of Concept and MVPs, exploring emerging technologies and helping shape an expanding research capability. Projects can move quickly and span areas including distributed systems, AI, observability, cloud‑native technology, messaging, NLP and image processing. • A strong software engineering background, ideally with recent hands‑on development experience, • Strong Python skills and/or experience with Java, JavaScript, C/C++ or Rust, • Broad technical knowledge, with the ability to choose technologies based on the problem rather than being tied to one stack, • Experience designing solutions from high‑level architecture through to detailed technical implementation, • Exposure to technical consultancy, pre‑sales, bids or customer‑facing solution design, • Linux and cloud experience across AWS, Azure or GCP, • Genuine curiosity around emerging technologies and an ability to communicate complex ideas clearly The position would particularly suit an experienced Engineer, Technical Consultant or Architect who wants more variety and influence than a conventional delivery role. There is considerable scope to help shape the technical direction of a growing business, develop its R&D capability and potentially build a wider engineering function over time. You will need to be eligible for UK Security Clearance and able to work from Gloucestershire regularly. #J-18808-Ljbffr

Radiant is redefining how AI infrastructure is built. We design and operate AI-native cloud platforms engineered for sovereignty, performance, and scale. Our infrastructure powers GPU-native workloads, multi-tenant control planes, and high-performance AI systems designed for the most demanding environments. We are not building a generic cloud. We are building purpose-built AI infrastructure - from powered land, to compute, to software. As we scale our platform and expand our engineering organisation, we are looking for leaders who can build strong teams, uphold high standards, and deliver reliably at pace. As a Senior Network Engineer, you’ll design, deploy, and operate the high-performance, low-latency network fabric that underpins our GPU infrastructure. You’ll play a critical role in shaping the architecture, automation, and operational standards of our network, ensuring it meets the rigorous demands of modern AI training and inference workloads. The ideal candidate is a strong advocate of engineering excellence and operational best practices. You’re customer-focused, collaborative, and equally comfortable discussing technical issues with enterprise customers, internal teams, and cross-functional stakeholders. You’ll contribute to everything from design and implementation through to L3/L4 operational support. • Network Architecture & Collaboration: Design scalable leaf-spine networks using Mellanox switches with Cumulus Linux, integrated with Juniper PTX routers and SRX firewalls. Lead 3rd party and internal provider collaboration to deploy resilient site-to-site and internet connectivity, optimise topology, and resolve complex faults., • Operations & Maintenance: Perform configuration, upgrades, and deep troubleshooting of Juniper and NVIDIA/Cumulus devices in production environments., • Software-Defined Networking (SDN): Implement programmable network designs using controller-based platforms to support automation and scalability., • Kubernetes Networking: Support networking within container platforms using CNIs such as Calico, Cilium, or Kube-OVN. Understand microservices traffic patterns and service mesh integrations., • Automation & Scripting: Develop and maintain Ansible playbooks and Python automation for configuration management, provisioning, and compliance, including working against API interfaces of network equipment., • Monitoring & Telemetry: Implement observability tools using SNMP, sFlow, and gRPC to detect and address network bottlenecks at scale., • Incident Management: Lead L3/L4 network incident response, escalation management and root cause analysis in high-pressure, 24×7 production environments., • Stakeholder & Customer Engagement: Act as a trusted technical expert, engaging directly with internal stakeholders and enterprise customers. Present solutions and troubleshoot effectively across all levels of the organisation., • Engineering Excellence: Promote and uphold best practices in configuration management, change control, documentation, and continuous improvement., • HPC/AI Networking: 3–5 years’ experience supporting high-throughput, low-latency infrastructure for GPU-based or HPC clusters., • 8–12+ years in networking, often with at least 5 years in globally distributed environments, • Experience with multi-region or multi-continent backbone networks, transit/peering, and high-availability design at Internet scale, • Hands‑on with large-scale routing (BGP/MPLS), automation at scale, and often SDN or custom orchestration frameworks, • Routing & Switching: Strong understanding of BGP, EVPN, VXLAN, and Data Centre Interconnects (DCI)., • Hardware Platforms:, • Cloud‑Native Networking: Proficiency with Kubernetes networking and container-based infrastructure, including CNIs (e.g. Calico, Cilium)., • Linux Proficiency: Confident with CLI environments, scripting, and diagnostics., • Automation & Tooling: Experience with Ansible and Python. Familiarity with Terraform or similar infrastructure-as-code tools is a plus., • Customer‑Facing Skills: Comfortable explaining complex networking concepts to customers and internal stakeholders, from engineers to executives., • Operational Support: Hands‑on experience in L3/L4 support within production environments, driving root cause and preventative measures., • Engineering Discipline: Strong proponent of code quality, peer reviews, change control, and infrastructure versioning., • Mellanox Ethernet switches with Cumulus Linux, • Juniper PTX core routers and SRX firewalls, • Industry certifications such as JNCIE, CCIE, or equivalent., • Familiarity with network security frameworks and best practices., • Experience with hybrid cloud and cloud connectivity solutions (e.g. AWS/Azure Direct Connect)., • Exposure to observability platforms and time‑series databases (e.g. Grafana, Prometheus, InfluxDB)., • Set the standard: Every single day, you spot opportunities to constructively shake things up., • Inspire the change: There's no blueprint for the future. You’ll embrace challenges and change., • You’re real and you’re true to yourself: We cherish and celebrate diversity so you’ll feel right at home whoever you are and whoever you’re talking to, you treat everyone the same. What sets us apart is our blend of modern technology, competitive benefits, and an open, welcoming work culture that enables our people to thrive. • 25 days of annual leave, • A culture that emphasises results over hierarchy, process & ego: we place great emphasis on the quality, ingenuity and creativity of work., • Open communication, regular feedback: we value smooth collaboration, direct and actionable feedback, and believe that leading with empathy and a growth mindset makes us better together., • Learning Time: we all have dedicated learning time to focus on new skills, projects or interests that lay outside of your day-to-day job., • Health & Wellbeing: we want everyone to feel healthy and happy, so we offer private medical insurance via Bupa., • Cycle to Work Scheme: we're committed to building a sustainable business, so we encourage cycling to work., • Gympass subscription to a variety of gyms and wellbeing apps, • Participation in the company shares program, • Enhanced parental pay & leave We are an equal opportunity employer and we strive to reduce unconscious bias throughout our hiring process. All applicants will be considered for employment without attention to ethnicity, religion, sexual orientation, gender identity, family or parental status, national origin, veteran, neurodiversity status or disability status. To ensure our recruitment processes provide an equal opportunity for all applicants to succeed, we encourage you to let us know if there are any adjustments that we can make. #J-18808-Ljbffr

Raytheon UK have a full time, permanent opportunity for a Test Engineer to join our teams in Gloucester, Manchester or London working fully onsite. You'll be part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of business areas. Due to the interesting work we do and the sector this team is working in, we require all candidates to currently hold eDV clearance. In this area of the business we prove DevSecOps at scale, Artificial Intelligence, Machine Learning, cyber and geospatial intelligence capabilities to support the defence, intelligence and cyber sectors. Collaborating with customers and suppliers to deliver secure, mission critical systems using the latest technologies and innovations. • Apply test skills and experience within the context of an Agile software delivery team, • Responsible for the creation and maintenance of automated test frameworks, • Define and manage test environments; create and manage test data; define and manage test tools, • Support test team interactions with the wider development team and assist in the resolution of issues, • Contribute to the production of test documents using appropriate tools as required, • Raise defects and support the wider development team in their resolution, • Manage creation of automated and manual test scripts, • Produce test and deployment strategies and plans in compliance with customer project guidelines, • Experience of working in an Agile/Scrum/DevOps delivery model, • Experience of deploying and configuring complex software under Linux/Windows, • Understanding of the systems engineering lifecycle and demonstrable evidence of relevant test methodologies and toolsets, • Experience producing test plans and reports using applicable tools, • Experience of test automation frameworks and tools., • Experience of scripting languages and scripting for automation., • AWS and/or Azure, • Continuous Integration, • Linux system administration, • Ability to review and apply different tools and techniques e.g. monitoring, logging, performance testing We appreciate you may not be an expert in every area above - we can support with training and development in some areas! • Contributory Pension Scheme (up to 10.5% company contribution), • 6 times salary 'Life Assurance' with pension, • 25 days holiday (increasing with service) + statutory public holidays, plus opportunity to buy and sell up to 5 days, • Company bonus scheme (discretionary), • Flexible Benefits scheme with extensive salary sacrifice schemes, including Health Cashplan, Dental, and Cycle to Work amongst others, • Enhanced sick pay, • Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave, • 37hr working week, • Early 1.30pm finish Friday, start your weekend early!, • Up to 5 paid days volunteering each year., • Flexible working culture focused on output, with more formal flexible working arrangements on request (assessed subject to role). At Raytheon UK, we take immense pride in being a leader in defence and aerospace technology. As an employer, we are dedicated to fuelling innovation, nurturing talent, and fostering a culture of excellence. Joining our team means being part of an organisation that shapes the future of national security whilst investing in your growth and personal development. We provide a collaborative environment, abundant opportunities for professional development, and a profound sense of purpose in what we do. Together, we are not just advancing technology; we're building a community committed to safeguarding a safer and more connected world. Raytheon UK is a landed company and part of the wider RTX organisation. Headquartered in Arlington, Virginia, USA, but with over 180,000 employees globally across every continent, RTX provides advanced systems and services for commercial, military and government customers worldwide and comprises three industry-leading businesses - Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Supporting over 35,000 jobs across 13 UK sites, RTX is helping to drive prosperity. Each year our work contributes over £2.7bn to the UK economy and offers a wealth of opportunities to 4,000 suppliers across England, Scotland, Wales and Northern Ireland. We’re investing in all corners of the country, supporting 29,040 jobs in England, 3,040 in Northern Ireland, 1,900 in Scotland and 1,600 in Wales. RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law. #J-18808-Ljbffr

Radiant is redefining how AI infrastructure is built. We design and operate AI-native cloud platforms engineered for sovereignty, performance, and scale. Our infrastructure powers GPU-native workloads, multi-tenant control planes, and high-performance AI systems designed for the most demanding environments. We are not building a generic cloud. We are building purpose-built AI infrastructure - from powered land, to compute, to software . As we scale our platform and expand our engineering organisation, we are looking for leaders who can build strong teams, uphold high standards, and deliver reliably at pace. We’re looking for an experienced Infrastructure Site Reliability Engineer to run and evolve our infrastructure stack. You’ll contribute across bare-metal, virtualization, and orchestration layers, keeping things stable and secure 24/7 x 365 — all while mentoring teammates, improving process and automation as well as helping translate deep technical concepts for a wide range of collaborators and customers. • Deploy and operate resilient, scalable infrastructure supporting AI/HPC workloads, • Optimize Linux system configuration, BIOS/firmware, kernel, and disk subsystem for performance, • Configure, monitor and manage bare-metal infrastructure using IPMI, Redfish, etc, • Build and maintain automation scripts and infrastructure as code to support platform lifecycle, as well as simplifying troubleshooting for Incident resolution and provision of tooling for our support organisation, • Apply ITSM frameworks: Incident, Major Incident, Change Management, and service improvement., • Maintain and enhance ’s observability stack: Prometheus, Grafana, and custom monitoring integrations, • Operate and support services in 24x7 production environments, including on-call rotation, • Contribute to Incident postmortem analyses, root cause analysis, document learnings, and automate remediations, • Mentor junior engineers and act as an Operational requirements consultant to other departments, • Communicate technical decisions clearly to non-technical stakeholders and customers, • Uphold a culture of: do, document, automate, • Willingness to cross train with Platform Engineering/Platform SRE to fully support both our infrastructure and platform stacks., • Willingness to cross train with HPC Engineering, supported by NVIDIA to enhance our, • HPC supportability offering, • 5+ Years Proven experience in globally scaled, performance-intensive environments operating to a 24/7 support model, • Expert-level Linux administration, especially Ubuntu distributions, • Proficiency in system tuning, disk I/O optimization, and hardware-level performance tweaks, • Familiarity with Out of Band management tools (IPMI, Redfish, PXE, etc.), • Strong networking fundamentals: TCP/IP, DNS, DHCP, VLANs, routing, switching, • Strong experience with infrastructure scripting and automation (Bash, Python, Ansible), • Deep understanding of observability principles and tools (Prometheus, Grafana), • Hands-on experience operating orchestration platforms (Kubernetes, MAAS, Tinkerbell), • Strong grasp of ITSM and service operation best practices, • Excellent communication and mentorship skills, • Comfortable interfacing with internal stakeholders and external customers, • Bonus: Knowledge of HPC workloads and GPU-based infrastructure, • Bonus: Experience with InfiniBand networks and HPC performance tuning, • Bachelor or Masters Level degree in Computer Science, Engineering or related field, or equivalent experience., • LPIC Certifications, • ITIL Foundation level qualification or equivalent experience, • You approach problems with a systems mindset - balancing practical execution with long-term scalability, • You elevate the team, setting high standards for technical quality and engineering excellence., • You hold yourself and others accountable - giving direct feedback and expecting the same, • You take initiative, owning challenges end-to-end and proactively driving solutions., • You invest in others, mentoring to build both capability and confidence., • You communicate clearly - translating complexity into clarity across engineering and business audiences What sets us apart is our blend of modern technology, competitive benefits, and an open, welcoming work culture that enables our people to thrive. • 25 days of annual leave, • A culture that emphasises results over hierarchy, process & ego: we place great emphasis on the quality, ingenuity and creativity of work., • Open communication, regular feedback: we value smooth collaboration, direct and actionable feedback, and believe that leading with empathy and a growth mindset makes us better together., • Learning Time: we all have dedicated learning time to focus on new skills, projects or interests that lay outside of your day-to-day job., • Health & Wellbeing: we want everyone to feel healthy and happy, so we offer private medical insurance via Bupa., • Cycle to Work Scheme: we're committed to building a sustainable business, so we encourage cycling to work., • Gympass subscription to a variety of gyms and wellbeing apps, • Participation in the company shares program, • Enhanced parental pay & leave We are an equal opportunity employer and we strive to reduce unconscious bias throughout our hiring process. All applicants will be considered for employment without attention to ethnicity, religion, sexual orientation, gender identity, family or parental status, national origin, veteran, neurodiversity status or disability status. To ensure our recruitment processes provide an equal opportunity for all applicants to succeed, we encourage you to let us know if there are any adjustments that we can make. #J-18808-Ljbffr

We’re a fast-growing GPU-as-a-Service provider, delivering scalable, high-performance compute infrastructure purpose‑built for AI and HPC workloads. Operating across global data centres, we run mission‑critical environments where uptime, throughput, and ultra‑low latency are non‑negotiable. We’re a fast-growing GPU-as-a-Service provider, delivering scalable, high-performance compute infrastructure purpose‑built for AI and HPC workloads. Operating across global data centres, we run mission‑critical environments where uptime, throughput, and ultra‑low latency are non‑negotiable. We are looking for a senior Infrastructure Site Reliability Engineer with deep experience operating large‑scale distributed systems and recent hands‑on expertise in high‑performance computing (HPC) and AI infrastructure. This is an operations‑first SRE role, working in a 24/7/365 on‑call environment, responsible for ensuring reliability, performance, and continuous improvement of mission‑critical infrastructure. This role sits within a cross‑functional organisation spanning network engineering, infrastructure SRE, Platform SRE, infrastructure tooling engineers (software) and data centre operations. The ideal candidate has progressed through large‑scale, globally distributed or multi‑site infrastructure environments and has more recently specialised in GPU‑accelerated HPC systems. This role provides exposure to the latest high‑density AI compute platforms, including next‑generation GPU infrastructure at significant scale. You will bring strong breadth across bare metal, networking, storage, virtualisation, and orchestration, alongside deep HPC experience including NVIDIA GPU ecosystems, RDMA networking (RoCE and InfiniBand), and performance validation and benchmarking. Strong Linux and distributed systems expertise is essential. Alongside operational ownership, this is a deeply technical Infrastructure SRE role centred on advanced operational troubleshooting and performance evaluation across large‑scale HPC systems. You will investigate complex, cross‑layer issues spanning GPU compute, networking, storage, and orchestration, building a clear understanding of system behaviour under real production AI and HPC workloads. A key responsibility is performance evaluation, testing, and operational acceptance of new HPC environments, ensuring platforms meet defined reliability, scalability, and performance expectations before entering production. You will work across hardware, network, and software layers to validate readiness of high‑density GPU infrastructure and support safe, predictable deployment at scale. You will also play a central role in continuous service improvement (CSI)—reducing operational toil, increasing automation, and improving reliability, consistency, and operational efficiency across the platform. This includes strengthening observability, refining operational workflows, and eliminating repetitive or failure‑prone processes. Over time, you will help shape future infrastructure design and deployment approaches, feeding operational insight back into infrastructure engineering decisions and ensuring production learnings directly influence next‑generation HPC platform evolution. Join a team operating some of the world’s most advanced high‑performance computing infrastructure. As a HPC Infrastructure SRE, you’ll work hands‑on with cutting‑edge GPU and CPU platforms ‑ including the latest NVIDIA architectures ‑ powering dense, large‑scale compute environments used for AI, machine learning, and next‑generation workloads. This is an opportunity to build expertise at the forefront of modern infrastructure, where reliability, scale, and performance matter every day. You’ll collaborate with experienced engineers across a globally distributed organisation that values openness, inclusion, technical excellence, and continuous learning. We move quickly, solve meaningful challenges, and give people the space to make an impact. If you thrive in fast‑paced environments, enjoy working with advanced technology, and want to help shape the future of high‑performance compute, you’ll find both challenge and opportunity here. • Exposure to industry‑leading GPU and AI infrastructure, • Opportunities to grow alongside a rapidly scaling global business, • A collaborative, inclusive, and supportive engineering culture, • Real ownership and the ability to influence operational excellence, • Work that sits at the intersection of people, performance, and technology, • A modern, flexible, globally connected workplace with ambitious goals, • Key Responsibilities, • Operate and improve high‑density AI/HPC infrastructure in a 24/7 production environment, • Participate in a 24x7x365 on‑call rotation, supporting mission #J-18808-Ljbffr

Are you a C++ Software Engineer who enjoys variety? Like the idea of working from home with flexible hours, on tech that actually does some good? We're working with an ethical fintech that's gaining huge traction. They re growing their small, close-knit engineering team and are looking for a Mid-Level Software Engineer with a solid C++ background but happy to work with other tools and languages too including React, TypeScript, AWS, Python and AI assisted development. • Develop and maintain modern C++ code, • Build Python microservices and tooling, • Develop React / TypeScript frontends, • Work with AWS, Docker, CI/CD and Infrastructure as Code, • Support the deployment and scaling of AI / ML services, • Write high-quality, tested and secure code, • Strong commercial C++ 17/20/23 experience, • Experience with Python, • Experience with AWS/cloud platforms, • Knowledge of REST APIs, microservices and CMake, • Strong Git, testing and Linux/CLI skills, • Experience with Cursor and/or Claude Code Open Banking, fintech/payments, React, OAuth2/OIDC or DynamoDB experience. • Up to £65k base salary, • Fully remote UK role, • Flexible working hours, • 25 days holiday + public holidays, • Pension scheme, • Home office allowance, • Team meet-ups a few times a year, • Plenty of learning and interesting technical challenges, • Lots of growth and chance to take on responsibility Based in UK #J-18808-Ljbffr

Must have active, current and valid DV clearance Fulltime on site role in ANY of the following locations - Cheltenham, London, Manchester or Ipswich A global company are looking for a DV Cleared Infrastructure Engineer fulltime at any of the following locations; London, Manchester, Cheltenham or Ipswich on a permanent (37.5hr) basis. You'll be responsible for designing, implementing and supporting secure IT infrastructure, working across virtualisation, networking, storage, automation and platform technologies. You'll collaborate with technical teams to deliver resilient infrastructure solutions, provide technical leadership on complex issues, and support the ongoing health and optimisation of critical systems. Essential Skills • VMware technologies (ESXi, vCenter, VMware Cloud Foundation), • Windows, Linux and/or macOS server administration, • Containers and Kubernetes, • NSX (Virtualisation & Networking), • Networking and storage technologies, • Scripting (PowerShell, Bash, Python or Java), • Infrastructure automation and IaC using tools such as Ansible, Puppet, Terraform, Foreman, Kickstart/PXE or Microsoft Deployment Toolkit *Rates depend on experience and client requirements JBRP1_UKTJ

Infosec is seeking a DV Cleared DevOps Engineer to join our Cheltenham-based engineering team. You will build, automate, and support secure cloud and on-premise environments across large-scale secure systems. You will design CI/CD pipelines, implement IaC with Terraform/Ansible, manage Linux infrastructure, and work with AWS/Azure/GCP. Strong troubleshooting and security-focused mindset are essential. #J-18808-Ljbffr

Are you passionate about integrating cutting‑edge technologies while ensuring robust security measures? We're seeking talented individuals at all levels to join our dynamic team as Senior DevSecOps Engineers, with a particular emphasis on Infrastructure Engineering expertise. At Lockheed Martin, we'll provide you with meaningful work and education opportunities that will allow you to develop your skills and enhance your career with us, but equally important, you can also enjoy a strong work‑life balance. To ensure this, we offer a flexible work schedule and a comprehensive benefits package to enable you to live a healthy, fulfilling life in and outside of work. You'll play a pivotal role in integrating, administering and securing a range of systems and applications, with a strong focus on designing, building, and maintaining scalable, reliable, and secure infrastructure. As an Infrastructure Engineer within our DevSecOps team, you'll be at the forefront of driving innovation and safeguarding digital infrastructures by ensuring robust, high-performance systems that support our mission‑critical solutions. You'll need to have an understanding of Windows and Linux systems and DevSecOps principles and experience of working within a multi‑disciplined team. Knowledge and understanding of core software tools, methods, and frameworks to reliably integrate and deploy, integrate, and test features into environments to ensure optimum outcomes for our customers. Additionally, we're looking for candidates with hands‑on experience in infrastructure engineering, including expertise in areas such as cloud architecture, containerization (e.g., Docker, Kubernetes), infrastructure‑as‑code (e.g., Terraform, Ansible), and system performance optimization to support seamless integration and testing processes. • Design, build, deploy and manage a broad set of IT Infrastructure aligning to customer needs and requirements, while leveraging infrastructure engineering best practices to maintain system reliability and scalability with a focus on automation and repeatability., • Develop Infrastructure as Code and scripts and integrate those with CI/CD pipelines and a wider ecosystem of tools, prioritising automation to streamline deployments., • Provide full end to end systems lifecycle management covering architecture, design, deployment and support through to decommissioning and migration., • Support the integration and delivery of large and complex solutions into a wider system‑of‑systems, ensuring infrastructure components are robust and interoperable., • Opportunities to experience the cloud by undertaking deployments in Public, Private, and Hybrid Cloud environments, addressing potential constraints while optimizing infrastructure performance and security. This role requires you to be able to obtain and maintain eDV security clearance. You don't need to hold eDV clearance when you apply. If you don't currently have it, we'll support you through the application process. You’ll have access to internal training and development, education‑assistance programmes and reimbursement for relevant professional memberships. We'll help you build familiarity with our projects and technologies while giving you opportunities to deepen your existing strengths. • Proficient in the field of DevSecOps. The ability to work within an agile environment and delivering using Scrum and Sprints utilising tools such as Jira and Confluence to help planning and collaboration., • Proficient in Windows and Linux systems administration (Active Directory etc), • Proficient in Virtualisation technologies and concepts - VMware vsphere, ARIA Ops performance monitoring, software defined networking - NSX, • Experience of Web proxy servers and configuration- Squid, • Experience of Automation technologies Terraform and Ansible for complex builds, Packer, • Experience of CI/CD pipeline builds - Jenkins, • Understanding of Git/Bitbucket/GitLab integration, coding and branching strategies, • Knowledge of Containerisation technologies - Kubernetes, Docker, • Experience of Powershell, bash scripting, • Experience of Python, • Experience of Networking skills - IPv4 addressing and routing, • Experience of Logging and monitoring using Zabbix and Splunk, • Knowledge of Cloud and AWS concepts and technologies, • Can support maturation of automated CI/CD software pipelines for Cloud deployments, • Understanding of IaC and using this to deploy and integrate services on cloud, • Hands on experience in using and integrating with AWS Services such as EC2, EKS, Fargate, IAM, S3, Lambda, • Experience using the AWS SDK (Boto3) to automate integration tasks, • Experience or understanding integrating hybrid‑cloud application deployments, • Understanding of CloudTrail to debug and diagnose integration issues We would love to hear from you if you have any of the following Qualifications or Certifications: • Linux Admin, (RHCSA) or (RHCE), • Microsoft Certified: Windows Server Hybrid Administrator Associate, • Red Hat Certified Specialist in Ansible Automation (EX407), • Terraform Associate certification, • AWS Certification, • Oracle Java Certification, • ISTQB Certification, • OSCP Certification If you're passionate about DevSecOps, with a strong focus and background in Infrastructure Engineering, and eager to take your career to the next level, we want to hear from you! #J-18808-Ljbffr

A Cyber Security consultancy supporting National Security and Defence customers is looking for an experienced Senior Infrastructure Engineer to join a long-term programme delivering secure infrastructure solutions. • Long-term contract, • Open day rate (would consider perm also), • Cheltenham based, • eDV, UKIC DV clearance required, • Windows Server Administration, • Linux Administration, • VMware vSphere / ESXi, • Hyper-V, • Cisco Networking, • Juniper Networking, • Dell Networking, • HP Networking, • TCP/IP, • DNS, • DHCP, • Infrastructure Design & Implementation, • Systems Administration, • Infrastructure Support, • Ansible, • AWX, • Python, • PowerShell, • Bash, • Infrastructure Automation, • Infrastructure as Code (IaC), • Veeam, • NetBackup, • Technical Project Delivery, • GitLab, • Bitbucket, • Agile Delivery, • Containerisation, • Cloud Technologies This is a fantastic opportunity to work on secure National Security programmes as part of a highly technical engineering team, delivering and supporting complex infrastructure environments. Active eDV, UKIC DV clearance required. #J-18808-Ljbffr

Are you passionate about integrating cutting‑edge technologies while ensuring robust security measures? We’re seeking talented individuals at all levels to join our dynamic team as Senior DevSecOps Engineers, with a particular emphasis on Infrastructure Engineering expertise. At Lockheed Martin, we’ll provide you with meaningful work and education opportunities that will allow you to develop your skills and enhance your career with us, but equally important, you can also enjoy a strong work‑life balance. To ensure this, we offer a flexible work schedule and a comprehensive benefits package to enable you to live a healthy, fulfilling life in and outside of work. You’ll play a pivotal role in integrating, administering and securing a range of systems and applications, with a strong focus on designing, building, and maintaining scalable, reliable, and secure infrastructure. As an Infrastructure Engineer within our DevSecOps team, you’ll be at the forefront of driving innovation and safeguarding digital infrastructures by ensuring robust, high‑performance systems that support our mission‑critical solutions. You’ll need to have an understanding of Windows and Linux systems and DevSecOps principles and experience of working within a multi‑disciplined team. Knowledge and understanding of core software tools, methods, and frameworks to reliably integrate and deploy, integrate, and test features into environments to ensure optimum outcomes for our customers. Additionally, we’re looking for candidates with hands‑on experience in infrastructure engineering, including expertise in areas such as cloud architecture, containerization (e.g., Docker, Kubernetes), infrastructure‑as‑code (e.g., Terraform, Ansible), and system performance optimization to support seamless integration and testing processes. • Design, build, deploy and manage a broad set of IT Infrastructure aligning to customer needs and requirements, while leveraging infrastructure engineering best practices to maintain system reliability and scalability with a focus on automation and repeatability., • Develop Infrastructure as Code and scripts and integrate those with CI/CD pipelines and a wider ecosystem of tools, prioritising automation to streamline deployments., • Provide full end to end systems lifecycle management covering architecture, design, deployment and support through to decommissioning and migration., • Support the integration and delivery of large and complex solutions into a wider system‑of‑systems, ensuring infrastructure components are robust and interoperable., • Opportunities to experience the cloud by undertaking deployments in Public, Private, and Hybrid Cloud environments, addressing potential constraints while optimizing infrastructure performance and security. This role requires you to be able to obtain and maintain eDV security clearance. You don’t need to hold eDV clearance when you apply. If you don’t currently have it, we’ll support you through the application process. You’ll have access to internal training and development, education‑assistance programmes and reimbursement for relevant professional memberships. We’ll help you build familiarity with our projects and technologies while giving you opportunities to deepen your existing strengths. • Proficient in the field of DevSecOps. The ability to work within an agile environment and delivering using Scrum and Sprints utilising tools such as Jira and Confluence to help planning and collaboration., • Proficient in Windows and Linux systems administration (Active Directory etc), • Proficient in Virtualisation technologies and concepts - VMware vsphere, ARIA Ops performance monitoring, software defined networking - NSX, • Experience of Web proxy servers and configuration- Squid, • Experience of Automation technologies Terraform and Ansible for complex builds, Packer, • Experience of CI/CD pipeline builds - Jenkins, • Understanding of Git/Bitbucket/GitLab integration, coding and branching strategies, • Knowledge of Containerisation technologies - Kubernetes, Docker, • Experience of Powershell, bash scripting, • Experience of Python, • Experience of Networking skills - IPv4 addressing and routing, • Experience of Logging and monitoring using Zabbix and Splunk, • Knowledge of Cloud and AWS concepts and technologies, • Can support maturation of automated CI/CD software pipelines for Cloud deployments, • Understanding of IaC and using this to deploy and integrate services on cloud, • Hands on experience in using and integrating with AWS Services such as EC2, EKS, Fargate, IAM, S3, Lambda, • Experience using the AWS SDK (Boto3) to automate integration tasks, • Experience or understanding integrating hybrid‑cloud application deployments, • Understanding of CloudTrail to debug and diagnose integration issues, • Linux Admin, (RHCSA) or (RHCE), • Microsoft Certified: Windows Server Hybrid Administrator Associate, • Red Hat Certified Specialist in Ansible Automation (EX407), • Terraform Associate certification, • AWS Certification, • ISTQB Certification, • OSCP Certification At Lockheed Martin our employees come first and therefore your physical, mental and financial wellbeing matters to us. On top of working in a highly supportive, friendly, respectful environment you can expect so much more. We are an employer in support of and offering Flexible working with the option to also work a 4 day week depending on business requirements, where you have the option of Fridays off. Lockheed Martin Rotary and Mission Systems (RMS) provides systems engineering, software development, training solutions and complex program management for global security, civil and commercial markets. Simply stated, our mission is to be the world’s leading global security and aerospace company. To achieve this mission, RMS draws on its core capabilities in advanced platforms and weapons, C4ISR, global sustainment, training and sensors. Lockheed Martin is committed to upholding principles of equal opportunity, fostering a work environment that is aligned with our core values of integrity, respect, and exceptional performance. We recognize the importance of leveraging the unique talents and experiences of all our employees to drive innovation, deliver superior solutions, and maximize value for our customers. Our focus is on identifying the most qualified candidate for each role, regardless of their background. If you are interested in a position, we invite you to share how your skills and perspectives could bolster our team and encourage you to apply, even if you feel your qualifications do not fully meet all the job criteria outlined in our advertisement. Furthermore, Lockheed Martin is dedicated to ensuring our recruitment process is inclusive for all individuals. We are prepared to accommodate reasonable adjustments for applicants as needed. If you require assistance or adjustments to participate in the job application or interview process, please contact or call . #J-18808-Ljbffr

Are you passionate about integrating cutting-edge technologies while ensuring robust security measures? We're seeking talented individuals at all levels to join our dynamic team as DevSecOps Engineers, with a particular emphasis on Infrastructure Engineering expertise. At Lockheed Martin, we'll provide you with meaningful work and education opportunities that will allow you to develop your skills and enhance your career with us, but equally important, you can also enjoy a strong work-life balance. To ensure this, we offer a flexible work schedule and a comprehensive benefits package to enable you to live a healthy, fulfilling life in and outside of work. You'll play a pivotal role in integrating, administering and securing a range of systems and applications, with a strong focus on designing, building, and maintaining scalable, reliable, and secure infrastructure. As an Infrastructure Engineer within our DevSecOps team, you'll be at the forefront of driving innovation and safeguarding digital infrastructures by ensuring robust, high-performance systems that support our mission-critical solutions. You'll need to have an understanding of Windows and Linux systems and DevSecOps principles and experience of working within a multi-disciplined team. Knowledge and understanding of core software tools, methods, and frameworks to reliably integrate and deploy, integrate, and test features into environments to ensure optimum outcomes for our customers. Additionally, we're looking for candidates with hands-on experience in infrastructure engineering, including expertise in areas such as cloud architecture, containerization (e.g., Docker, Kubernetes), infrastructure-as-code (e.g., Terraform, Ansible), and system performance optimization to support seamless integration and testing processes. • Design, build, deploy and manage a broad set of IT Infrastructure aligning to customer needs and requirements, while leveraging infrastructure engineering best practices to maintain system reliability and scalability with a focus on automation and repeatability., • Develop Infrastructure as Code and scripts and integrate those with CI/CD pipelines and a wider ecosystem of tools, prioritising automation to streamline deployments., • Provide full end to end systems lifecycle management covering architecture, design, deployment and support through to decommissioning and migration., • Support the integration and delivery of large and complex solutions into a wider system-of-systems, ensuring infrastructure components are robust and interoperable., • Opportunities to experience the cloud by undertaking deployments in Public, Private, and Hybrid Cloud environments, addressing potential constraints while optimizing infrastructure performance and security. This role requires you to be able to obtain and maintain eDV security clearance. You don't need to hold eDV clearance when you apply. If you don't currently have it, we'll support you through the application process. You'll have access to internal training and development, education-assistance programmes and reimbursement for relevant professional memberships. We'll help you build familiarity with our projects and technologies while giving you opportunities to deepen your existing strengths. • Proficient in the field of DevSecOps. The ability to work within an agile environment and delivering using Scrum and Sprints utilising tools such as Jira and Confluence to help planning and collaboration., • Experience of Windows and Linux systems administration (Active Directory etc), • Understanding of Virtualisation technologies and concepts - VMware vsphere, ARIA Ops performance monitoring, software defined networking - NSX, • Understanding of Web proxy servers and configuration- Squid, • Understanding of Automation technologies Terraform and Ansible for complex builds, Packer, • Experience of CI/CD pipeline builds - Jenkins, • Understanding of Git/Bitbucket/GitLab integration, coding and branching strategies, • Knowledge of Containerisation technologies - Kubernetes, Docker, • Experience of Powershell, bash scripting, • Understanding of Python, • Understanding of Networking skills - IPv4 addressing and routing, • Understanding of Logging and monitoring using Zabbix and Splunk, • Knowledge of Cloud and AWS concepts and technologies, • Can support maturation of automated CI/CD software pipelines for Cloud deployments, • Understanding of IaC and using this to deploy and integrate services on cloud, • Hands on experience in using and integrating with AWS Services such as EC2, EKS, Fargate, IAM, S3, Lambda, • Experience using the AWS SDK (Boto3) to automate integration tasks, • Experience or understanding integrating hybrid-cloud application deployments, • Understanding of CloudTrail to debug and diagnose integration issues, • Linux Admin, (RHCSA) or (RHCE), • Microsoft Certified: Windows Server Hybrid Administrator Associate, • Red Hat Certified Specialist in Ansible Automation (EX407), • Terraform Associate certification, • AWS Certification, • CCNA Certification, • Oracle Java Certification, • ISTQB Certification, • OSCP Certification #J-18808-Ljbffr

Java Software Engineer / £70,000 £90,000 / Fully Remote DV Clearance Eligibility Required Build innovative software. Solve complex challenges. Make a real impact. TwinStream is looking for an experienced Java Software Engineer to join our agile development team, building components for a sophisticated cross-domain security system. This is an opportunity to work on technically challenging projects, contribute throughout the full software development lifecycle and collaborate with talented engineers to develop secure, high-quality solutions. Founded in 2019 by engineers tackling complex challenges within government organisations, TwinStream combines technical excellence with outstanding client service. We've grown to more than 100 people across the UK, delivering innovative solutions in a collaborative and supportive environment. You’ll be involved in everything from understanding requirements and designing solutions to coding, testing, deployment and ongoing support. We're looking for more than someone who can write code you'll bring curiosity, strong problem-solving skills and a genuine interest in understanding the challenges behind the technology. • Designing, developing and maintaining high-quality Java software., • Investigating technologies and identifying effective technical solutions., • Writing and maintaining unit, acceptance and performance tests., • Supporting deployment pipelines and working closely with DevOps specialists., • Troubleshooting complex technical issues and providing third-line support., • Participating in code reviews, pair programming, planning and estimation., • Working collaboratively within an agile team to deliver reliable, maintainable software. You’ll have strong Java development experience, an agile mindset and a passion for solving complex technical problems. • Java development, ideally using Spring Boot., • Agile practices, including TDD, BDD, continuous delivery, DevOps and pair programming., • Experience with AWS services, including S3, Fargate, Lambda, SQS and SNS., • Databases such as PostgreSQL, Oracle, MongoDB or DynamoDB, plus JPA., • REST APIs, RabbitMQ, Docker and Linux., • Infrastructure and automation tools, including Terraform, Ansible and Kubernetes., • CI/CD and version control tools such as Jenkins, Git, Bitbucket and GitLab., • Strong communication, collaboration and problem-solving skills, with a positive and open approach to teamwork. Desirable: Experience with OpenShift, Docker Compose/Swarm, Python or other languages such as JavaScript, Go and Bash. You don't need experience with every technology listed. If you have solid Java skills and enjoy learning, collaborating and tackling challenging engineering problems, we'd love to hear from you. • £70,000 £90,000 salary, • Fully remote working, with potential travel to the Bristol office in the future, • The opportunity to work on technically challenging and meaningful projects, • A collaborative team environment focused on technical excellence, • The chance to develop your skills while contributing across the full software development lifecycle Join TwinStream and help build secure, high-quality software that tackles complex real-world problems. #J-18808-Ljbffr

Are you passionate about integrating cutting-edge technologies while ensuring robust security measures? We’re seeking talented individuals at all levels to join our dynamic team as DevSecOps Engineers, with a particular emphasis on Infrastructure Engineering expertise. At Lockheed Martin, we’ll provide you with meaningful work and education opportunities that will allow you to develop your skills and enhance your career with us, but equally important, you can also enjoy a strong work-life balance. To ensure this, we offer a flexible work schedule and a comprehensive benefits package to enable you to live a healthy, fulfilling life in and outside of work. You’ll play a pivotal role in integrating, administering and securing a range of systems and applications, with a strong focus on designing, building, and maintaining scalable, reliable, and secure infrastructure. As an Infrastructure Engineer within our DevSecOps team, you’ll be at the forefront of driving innovation and safeguarding digital infrastructures by ensuring robust, high-performance systems that support our mission-critical solutions. You’ll need to have an understanding of Windows and Linux systems and DevSecOps principles and experience of working within a multi-disciplined team. Knowledge and understanding of core software tools, methods, and frameworks to reliably integrate and deploy, integrate, and test features into environments to ensure optimum outcomes for our customers. Additionally, we’re looking for candidates with hands-on experience in infrastructure engineering, including expertise in areas such as cloud architecture, containerization (e.g., Docker, Kubernetes), infrastructure-as-code (e.g., Terraform, Ansible), and system performance optimization to support seamless integration and testing processes. Key Responsibilities • Design, build, deploy and manage a broad set of IT Infrastructure aligning to customer needs and requirements, while leveraging infrastructure engineering best practices to maintain system reliability and scalability with a focus on automation and repeatability., • Develop Infrastructure as Code and scripts and integrate those with CI/CD pipelines and a wider ecosystem of tools, prioritising automation to streamline deployments., • Provide full end to end systems lifecycle management covering architecture, design, deployment and support through to decommissioning and migration., • Support the integration and delivery of large and complex solutions into a wider system-of-systems, ensuring infrastructure components are robust and interoperable., • Opportunities to experience the cloud by undertaking deployments in Public, Private, and Hybrid Cloud environments, addressing potential constraints while optimizing infrastructure performance and security. Security clearance This role requires you to be able to obtain and maintain eDV security clearance. You don’t need to hold eDV clearance when you apply. If you don’t currently have it, we’ll support you through the application process. Learning and development You’ll have access to internal training and development, education-assistance programmes and reimbursement for relevant professional memberships. We’ll help you build familiarity with our projects and technologies while giving you opportunities to deepen your existing strengths. Required skills, qualifications and experience : • Proficient in the field of DevSecOps. The ability to work within an agile environment and delivering using Scrum and Sprints utilising tools such as Jira and Confluence to help planning and collaboration., • Experience of Windows and Linux systems administration (Active Directory etc), • Understanding of Virtualisation technologies and concepts - VMware vsphere, ARIA Ops performance monitoring, software defined networking - NSX, • Understanding of Web proxy servers and configuration- Squid, • Understanding of Automation technologies Terraform and Ansible for complex builds, Packer, • Experience of CI/CD pipeline builds - Jenkins, • Understanding of Git/Bitbucket/GitLab integration, coding and branching strategies, • Knowledge of Containerisation technologies - Kubernetes, Docker, • Experience of Powershell, bash scripting, • Understanding of Python, • Understanding of Networking skills - IPv4 addressing and routing, • Understanding of Logging and monitoring using Zabbix and Splunk, • Knowledge of Cloud and AWS concepts and technologies Desired Skills: • Can support maturation of automated CI/CD software pipelines for Cloud deployments, • Understanding of IaC and using this to deploy and integrate services on cloud, • Hands on experience in using and integrating with AWS Services such as EC2, EKS, Fargate, IAM, S3, Lambda, • Experience using the AWS SDK (Boto3) to automate integration tasks, • Experience or understanding integrating hybrid-cloud application deployments, • Understanding of CloudTrail to debug and diagnose integration issues We would love to hear from you if you have any of the following Qualifications or Certifications: • Linux Admin, (RHCSA) or (RHCE), • Microsoft Certified: Windows Server Hybrid Administrator Associate, • Red Hat Certified Specialist in Ansible Automation (EX407), • Terraform Associate certification, • AWS Certification, • CCNA Certification, • ISTQB Certification, • OSCP Certification What we offer you At Lockheed Martin our employees come first and therefore your physical, mental and financial wellbeing matters to us. On top of working in a highly supportive, friendly, respectful environment you can expect so much more. We are an employer in support of and offering Flexible working with the option to also work a 4 day week depending on business requirements, where you have the option of Fridays off. Business Environment Lockheed Martin Rotary and Mission Systems (RMS) provides systems engineering, software development, training solutions and complex program management for global security, civil and commercial markets. Simply stated, our mission is to be the world’s leading global security and aerospace company. To achieve this mission, RMS draws on its core capabilities in advanced platforms and weapons, C4ISR, global sustainment, training and sensors. Equal Opportunity Statement Lockheed Martin is committed to upholding principles of equal opportunity, fostering a work environment that is aligned with our core values of integrity, respect, and exceptional performance. We recognize the importance of leveraging the unique talents and experiences of all our employees to drive innovation, deliver superior solutions, and maximize value for our customers. Our focus is on identifying the most qualified candidate for each role, regardless of their background. If you are interested in a position, we invite you to share how your skills and perspectives could bolster our team and encourage you to apply, even if you feel your qualifications do not fully meet all the job criteria outlined in our advertisement. Furthermore, Lockheed Martin is dedicated to ensuring our recruitment process is inclusive for all individuals. We are prepared to accommodate reasonable adjustments for applicants as needed. If you require assistance or adjustments to participate in the job application or interview process, please contact or call . #J-18808-Ljbffr

We are looking for an experienced We are looking for an experienced OpenCPI Lead Software Engineer to join our growing team at our Gloucester site. This exciting opportunity allows you to work on a variety of Defence, Cyber, and Intelligence programmes, contributing to the design, development, and deployment of cutting-edge RF systems. If you have hands-on experience with the OpenCPI framework and are eager to advance your career in a high-impact, innovative environment, we want to hear from you! At Lockheed Martin, we value work-life balance, providing flexible work schedules and hybrid work options where possible. We also offer a comprehensive benefits package to help you lead a fulfilling and healthy life inside and outside of work. This role offers opportunities for continuous professional development, allowing you to grow your skills while contributing to mission-critical projects. You'll be the technical expert building the next wave of National Security and defence-grade RF cyber capabilities. • OpenCPI Framework Utilization – Lead the development and integration of software-defined radio (SDR) systems using the OpenCPI framework., • System Design & Integration – Be the subject matter expert within a cross-functional team designing and integrating RF communication systems, ensuring seamless operation within complex mission environments., • Test & Measurement – Implement test-driven development strategies and consider testing throughout the development lifecycle of an application, leveraging OpenCPI for effective system verification and validation., • Technical Leadership – Mentor junior engineers, lead design reviews, act in the capacity of subject matter expert, and take ownership of the evolution of our technical standards., • Consultation – You'll interact directly with other teams and stakeholders on a daily basis in order to ensure the wider success of our clients and partners, • Innovation – Continue our efforts to push the boundaries of OpenCPI development using the latest AI/ML tooling and hybrid cloud compute environments enabling our growth to outpace our team size., • Collaboration & Reporting – Work closely with engineering and customer teams, providing detailed reports on system performance, issues, and proposed solutions. This position offers a unique opportunity to work on innovative solutions for both Lockheed Martin and our customers, delivering cutting-edge technology in the realm of RF communications and SDR systems. This role requires you to be able to obtain and maintain eDV security clearance. You don't need to hold eDV clearance when you apply. If you don't currently have it, We'll support you through the application process. to help us shape the future of RF Cyber at Lockheed Martin. It is expected that you can evidence significant experience in one of the following: • Working as a senior or lead developer using the OpenCPI framework, including the development of OSPs, components, applications and tests, • Strong background in RF communications and software-defined radio technologies & architectures, • Expertise in digital signal processing, algorithm or payload development, and embedded system design, • Proficient in C/C++ and/or VHDL for embedded applications, and additionally with Python, • EW or SIGINT capability development (including RF waveform and protocol vulnerability analysis), • FPGA/RFSOC development experience and proficiency in VHDL (or Verilog), • Familiarity with GnuRadio, MatLab, AMD EDF or other SDR development tools, • Commercial and Military communications stacks and modem development (e.g IEEE 802.x, COFDM, Satcoms, or Link 16), • Working in AWS and CICD pipelined environments, especially with GitLab and Linux, • Real-time test and measurement, using tools such as vector signal analyzers, • Leading technical projects, budgets and teams #J-18808-Ljbffr

We’re growing our Gloucester team and have several opportunities for Lead Software Engineers to work across our Defence, Cyber and Intelligence programmes. You’ll help create and improve secure software systems and applications that safeguard digital infrastructure across the UK. Whether you bring deep expertise in a single domain or thrive by orchestrating across multiple stages of the development cycle, both paths are welcomed and valued. This is a lead software engineer role, so we’re looking for a solid foundation in engineering practice, sound technical judgment, and the drive to take ownership of complex initiatives and guide the team through its delivery. You should be comfortable architecting end to end solutions, setting technical direction, and fostering a culture of continuous improvement and mentorship. As Lead Engineer you’ll partner with product owners, customers, and cross functional teams to translate complex business and technical needs into robust, scalable solutions. You’ll set the technical vision, drive architectural decisions, and lead the delivery cycle while ensuring that every team member meets the same high standards for quality, security, and maintainability. • Defining long term technical strategy and guiding system design, making the critical decisions that shape the product’s trajectory., • Acting as the technical liaison between engineering, product, operations, and external customers, ensuring clear expectations, realistic timelines, and mutual alignment., • Overseeing the design, build, test, debug, and documentation of high reliability, deployment ready code, while ensuring its performance, scalability, and maintainability., • Coaching junior and mid level engineers, sharing knowledge, and fostering a culture of continuous learning and collaboration. This role requires you to be able to obtain and maintain UK Developed Vetting (DV) security clearance. You don’t need to hold DV clearance when you apply. If you don’t currently have it, we’ll support you through the application process. You’ll have access to internal training and development, education-assistance programmes and reimbursement for relevant professional memberships. We’ll help you build familiarity with our projects and technologies while giving you opportunities to deepen your existing strengths. • Proven delivery of complex, high visibility initiatives in a professional engineering environment, with a track record of owning the end to end cycle., • Hands on knowledge of Linux, Git, CI/CD, and automated testing that you can translate into best practice pipelines for the team., • You will weight technical trade-offs, clearly articulate the rationale, and communicate decisions to product, operations, and other stakeholders, • You will foster a collaborative mindset, demonstrate a commitment to continuous learning, and work to raise the entire team’s skill level., • We want to hear about how you’ve delivered high impact software, guided architectural decisions, and championed quality across a project., • Cloud platforms, particularly AWS., • Automated GitLab delivery pipelines and infrastructure as code., • Microservices, serverless architectures and cloud migration., • Relational and NoSQL databases, data integration and search technologies., • Web and application frameworks such as React, Express and Next.js., • Tools including Gitlab, NiFi, Elasticsearch, Kibana, Jira and Confluence., • AI coding assistants, agentic coding and ML tooling. While experience in certain domains is highly valuable, this role is not defined by an exhaustive skill checklist, and we do not expect a single individual to be an expert across every technology area. We support continuous learning through targeted training, mentorship, and hands on opportunities to acquire new, project specific tools—including the practical application of AI techniques to our software development processes. At Lockheed Martin our employees come first and therefore your physical, mental and financial wellbeing matters to us. On top of working in a highly supportive, friendly, respectful environment you can expect so much more. We are an employer in support of and offering Flexible working with the option to also work a 4 day week depending on business requirements, where you have the option of Fridays off. Lockheed Martin Rotary and Mission Systems (RMS) provides systems engineering, software development, training solutions and complex program management for global security, civil and commercial markets. Simply stated, our mission is to be the world’s leading global security and aerospace company. To achieve this mission, RMS draws on its core capabilities in advanced platforms and weapons, C4ISR, global sustainment, training and sensors. Lockheed Martin is committed to upholding principles of equal opportunity, fostering a work environment that is aligned with our core values of integrity, respect, and exceptional performance. We recognize the importance of leveraging the unique talents and experiences of all our employees to drive innovation, deliver superior solutions, and maximize value for our customers. Our focus is on identifying the most qualified candidate for each role, regardless of their background. Furthermore, Lockheed Martin is dedicated to ensuring our recruitment process is inclusive for all individuals. We are prepared to accommodate reasonable adjustments for applicants as needed. If you require assistance or adjustments to participate in the job application or interview process, please contact or call . #J-18808-Ljbffr

We are seeking a Senior Embedded Software Engineer to join a multi-discipline EW capability development team at our Gloucester site. This exciting opportunity allows you to work on a variety of Defence, Cyber, and Intelligence programmes, contributing to the design, development, and deployment of cutting‑edge RF systems. If you have hands‑on experience with embedded systems development – especially in the context of software defined radio applications – and are eager to advance your career in a high‑impact, innovative environment, we want to hear from you! At Lockheed Martin, we provide meaningful work and continuous learning opportunities that will help develop your skills and progress your career. We believe in supporting a healthy work‑life balance, offering flexible work schedules, hybrid work where possible, and a comprehensive benefits package to ensure you can enjoy both your professional and personal life. As an Embedded Software Engineer you will work within a multi‑skilled team, using the OpenCPI framework to build, test, and optimize software‑defined radio systems and RF applications. You’ll work closely with peers, Delivery Managers and Technical Leads to ensure that the customer mission requirements are achieved in efficient and innovative ways. • Component and Worker Development – Undertake the development and integration of DSP and SDR functions in C++ which will be incorporated into a wider OpenCPI application., • Platform & API development – Implement signal processing pipelines, embedded Linux drivers, firmware, and application management code to manage the integration of our applications with radios in use by our clients in the real world, • System Design & Integration – Operate within a cross‑functional team designing and integrating RF communication systems, ensuring seamless operation within complex mission environments., • Test & Measurement – Engage in test driven development strategies and consider testing throughout the development lifecycle of an application, implementing test harnesses and simulations for effective system verification and validation., • Innovation – Embrace the use of the latest AI/ML tooling and hybrid cloud compute environments to deliver results that continually outpace and challenge the status quo., • Collaboration & Reporting – Use Agile principles and strong communication to work with peers and leaders to ensure that our delivery is providing the right solution on time. This position offers a unique opportunity to work on innovative solutions for both Lockheed Martin and our customers, delivering cutting‑edge technology in the realm of RF communications and SDR systems. If you are passionate about developing embedded software for the national security arena and want to take the next step in your career, we encourage you to apply. Join our innovative team and be part of a rewarding journey to develop cutting‑edge solutions for a wide range of critical applications. This role requires you to be able to obtain and maintain eDV security clearance. You don’t need to hold eDV clearance when you apply. If you don’t currently have it, we’ll support you through the application process. It is expected that you can evidence significant experience in one of the following: • Using C++ to implement efficient solutions on resource constrained embedded devices, • Working with RF communications and software-defined radio technologies & architectures, • Working knowledge of digital signal processing, algorithm or payload development, and embedded system design, • Competent in C/C++ and Python for embedded applications, • EW or SIGINT capability development (including RF waveform and protocol vulnerability analysis), • Familiarity with GnuRadio, MatLab, AMD EDF or other SDR development tools, • Commercial and Military communications stacks and modem development (e.g IEEE 802.x, COFDM, Satcoms, or Link 16), • Working in AWS and CICD pipelined environments, especially with GitLab and Linux, • Real‑time test and measurement, using tools such as vector signal analyzers #J-18808-Ljbffr

We are seeking a Lead SDR Engineer (Software Defined Radio) to join a multi-discipline EW capability development team at our Gloucester site. You’ll work on a variety of Defence, Cyber, and Intelligence programmes, with the opportunity to specialise in key areas such as SIGINT, software defined radio architectures, payload development, and OpenCPI applications. At Lockheed Martin, we provide meaningful work and continuous learning opportunities that will help develop your skills and progress your career. We believe in supporting a healthy work‑life balance, offering flexible work schedules, hybrid work where possible, and a comprehensive benefits package to ensure you can enjoy both your professional and personal life. In this essential and rewarding role, you will have the opportunity to work on cutting‑edge RF systems, including developing new RF‑based technologies, conducting vulnerability analysis, and designing deployable SDR applications. You’ll be the technical expert building the next wave of National Security and defence‑grade RF cyber capabilities. • Lead on the development of SDR firmware and applications – Create reusable interfaces, algorithms and capabilities to target multiple mission formats and an exciting array of RF platforms., • Drive platform & API development – Implement signal processing pipelines, embedded Linux drivers, and application management code to manage the integration of our applications with radios in use by our clients in the real world., • Orchestrate development, test and release activities – Implement test benches, operate laboratory equipment, run continuous integration builds, and conduct rapid iterative testing to validate RF performance and interference resilience., • Technical Leadership – Mentor junior engineers, lead design reviews, act in the capacity of subject matter expert, and take ownership of the evolution of our technical standards., • Cross Function Collaboration – Work alongside system engineers, cyber security specialists, technologists and innovators to ensure our customers achieve their mission aims., • Consultation – You’ll interact directly with other teams and stakeholders on a daily basis in order to ensure the wider success of our clients and partners., • Innovation – Utilise the latest advances in AI/ML, cloud computing and edge processing to drive step changes in performance and success. You’ll be a technical expert working in a collaborative and supportive environment, either specializing in one area or contributing across multiple domains of RF communications engineering. This role requires you to be able to obtain and maintain eDV security clearance. You don’t need to hold eDV clearance when you apply. If you don’t currently have it, we’ll support you through the application process. • Working with RF communications and software‑defined radio technologies & architectures, low level firmware, and systems integration, • EW or SIGINT capability development (including RF waveform and protocol vulnerability analysis), • Commercial and Military communications stacks and modem development (e.g IEEE 802.x, COFDM, Satcoms, or Link 16), • OpenCPI, GnuRadio, Python, C/C++, VHDL and other SDR development technologies, • RF algorithm development, signal analysis and digital signal processing, • Radio characterisation, front end device design, antenna selection, and link budget optimisation, • FPGA/RFSOC development experience and proficiency in VHDL (or Verilog), • Embedded Linux, real‑time OS, and platform development including BSP/OSPs, • AWS, IaaC, Git, CICD pipelines, secure development practices, and mixed security classification software development, • Leading technical projects, budgets and teams #J-18808-Ljbffr

We are looking for a Senior FPGA Engineer with experience in VHDL (or Verilog) to join our growing team at our Gloucester site. This exciting opportunity allows you to work on a variety of Defence, Cyber, and Intelligence programmes, contributing to the design, development, and deployment of cutting edge RF systems. If you have hands-on experience with HDL development – especially in the context of software-defined radio applications – and are eager to advance your career in a high-impact, innovative environment, we want to hear from you! At Lockheed Martin, we value work-life balance, providing flexible work schedules and hybrid work options where possible. We also offer a comprehensive benefits package to help you lead a fulfilling and healthy life inside and outside of work. This role offers opportunities for continuous professional development, allowing you to grow your skills while contributing to mission-critical projects. As an FPGA Engineer you will work within a multi-skilled team, using the OpenCPI framework to build, test, and optimize software-defined radio systems and RF applications. You'll work closely with peers, Delivery Managers and Technical Leads to ensure that the customer mission requirements are achieved in efficient and innovative ways. • Component and Worker Development – Undertake the development and integration of DSP and SDR functions in VHDL which will be incorporated into a wider OpenCPI application., • System Design & Integration – Operate within a cross-functional team designing and integrating RF communication systems, ensuring seamless operation within complex mission environments., • Test & Measurement – Engage in test driven development strategies and consider testing throughout the development lifecycle of an application, implementing test harnesses and simulations for effective system verification and validation., • Software Optimization – Optimize the performance of OpenCPI-based systems, ensuring maximum efficiency and reliability on an exciting variety of hardware platforms., • Innovation – Embrace the use of the latest AI/ML tooling and hybrid cloud compute environments to deliver results that continually outpace and challenge the status quo., • Collaboration & Reporting – Use Agile principles and strong communication to work with peers and leaders to ensure that our delivery is providing the right solution on time. This position offers a unique opportunity to work on innovative solutions for both Lockheed Martin and our customers, delivering cutting edge technology in the realm of RF communications and SDR systems. This role requires you to be able to obtain and maintain eDV security clearance. You don't need to hold eDV clearance when you apply. If you don't currently have it, we'll support you through the application process. It is expected that you can evidence prior experience and an ability to continue to grow in one of the following: • Using VHDL to implement efficient solutions on resource constrained embedded devices, • Working with RF communications and software-defined radio technologies and architectures, • Working knowledge of digital signal processing, algorithm or payload development, and embedded system design, • Competent in VHDL (or Verilog) for embedded applications, • EW or SIGINT capability development (including RF waveform and protocol vulnerability analysis), • Familiarity with GnuRadio, MatLab, AMD EDF or other SDR development tools, • Commercial and Military communications stacks and modem development (e.g IEEE 802.x, COFDM, Satcoms, or Link 16), • Working in AWS and CICD pipelined environments, especially with GitLab and Linux, • Real-time test and measurement, using tools such as vector signal analyzers #J-18808-Ljbffr

Are you passionate about integrating cutting-edge technologies while ensuring robust security measures? We’re seeking talented individuals to join our dynamic team as Lead DevSecOps Engineers, with a particular emphasis on Infrastructure Engineering expertise. At Lockheed Martin, we’ll provide you with meaningful work and education opportunities that will allow you to develop your skills and enhance your career with us, but equally important, you can also enjoy a strong work-life balance. To ensure this, we offer a flexible work schedule and a comprehensive benefits package to enable you to live a healthy, fulfilling life in and outside of work. You’ll play a pivotal role in integrating, administering and securing a range of systems and applications, with a strong focus on designing, building, and maintaining scalable, reliable, and secure infrastructure. As an Infrastructure Engineer within our DevSecOps team, you’ll be at the forefront of driving innovation and safeguarding digital infrastructures by ensuring robust, high-performance systems that support our mission-critical solutions. You’ll need to have an understanding of Windows and Linux systems and DevSecOps principles and experience of working within a multi-disciplined team. Knowledge and understanding of core software tools, methods, and frameworks to reliably integrate and deploy, integrate, and test features into environments to ensure optimum outcomes for our customers. Additionally, we’re looking for candidates with hands‑on experience in infrastructure engineering, including expertise in areas such as cloud architecture, containerization (e.g., Docker, Kubernetes), infrastructure‑as‑code (e.g., Terraform, Ansible), and system performance optimization to support seamless integration and testing processes. • Design, build, deploy and manage a broad set of IT Infrastructure aligning to customer needs and requirements, while leveraging infrastructure engineering best practices to maintain system reliability and scalability with a focus on automation and repeatability., • Develop Infrastructure as Code and scripts and integrate those with CI/CD pipelines and a wider ecosystem of tools, prioritising automation to streamline deployments., • Provide full end to end systems lifecycle management covering architecture, design, deployment and support through to decommissioning and migration., • Support the integration and delivery of large and complex solutions into a wider system-of-systems, ensuring infrastructure components are robust and interoperable., • Opportunities to experience the cloud by undertaking deployments in Public, Private, and Hybrid Cloud environments, addressing potential constraints while optimizing infrastructure performance and security. This role requires you to be able to obtain and maintain eDV security clearance. You don’t need to hold eDV clearance when you apply. If you don’t currently have it, we’ll support you through the application process. You’ll have access to internal training and development, education-assistance programmes and reimbursement for relevant professional memberships. We’ll help you build familiarity with our projects and technologies while giving you opportunities to deepen your existing strengths. • Advanced understanding of DevSecOps. The ability to work within an agile environment and delivering using Scrum and Sprints utilising tools such as Jira and Confluence to help planning and collaboration., • Expert in Windows and Linux systems administration (Active Directory etc), • Expert in Virtualisation technologies and concepts - VMware vsphere, ARIA Ops performance monitoring, software defined networking - NSX, • Advanced understanding of Web proxy servers and configuration- Squid, • Experience of Automation technologies Terraform and Ansible for complex builds, Packer, • Experience of CI/CD pipeline builds - Jenkins, • Understanding of Git/Bitbucket/GitLab integration, coding and branching strategies, • Proficient in the use and administration of Containerisation technologies - Kubernetes, Docker, • Proficient in Powershell, bash scripting, • Proficient in Python, • Proficient in the use of Networking skills - IPv4 addressing and routing, • Experience of Logging and monitoring using Zabbix and Splunk, • Experience of Cloud and AWS concepts and technologies, • Can support maturation of automated CI/CD software pipelines for Cloud deployments, • Understanding of IaC and using this to deploy and integrate services on cloud, • Hands on experience in using and integrating with AWS Services such as EC2, EKS, Fargate, IAM, S3, Lambda, • Experience using the AWS SDK (Boto3) to automate integration tasks, • Experience or understanding integrating hybrid-cloud application deployments, • Understanding of CloudTrail to debug and diagnose integration issues, • Linux Admin, (RHCSA) or (RHCE), • Microsoft Certified: Windows Server Hybrid Administrator Associate, • Red Hat Certified Specialist in Ansible Automation (EX407), • Terraform Associate certification, • AWS Certification, • CCNA Certification, • ISTQB Certification, • OSCP Certification At Lockheed Martin our employees come first and therefore your physical, mental and financial wellbeing matters to us. On top of working in a highly supportive, friendly, respectful environment you can expect so much more. We are an employer in support of and offering Flexible working with the option to also work a 4 day week depending on business requirements, where you have the option of Fridays off. Lockheed Martin Rotary and Mission Systems (RMS) provides systems engineering, software development, training solutions and complex program management for global security, civil and commercial markets. Simply stated, our mission is to be the world’s leading global security and aerospace company. To achieve this mission, RMS draws on its core capabilities in advanced platforms and weapons, C4ISR, global sustainment, training and sensors. Lockheed Martin is committed to upholding principles of equal opportunity, fostering a work environment that is aligned with our core values of integrity, respect, and exceptional performance. We recognize the importance of leveraging the unique talents and experiences of all our employees to drive innovation, deliver superior solutions, and maximize value for our customers. Our focus is on identifying the most qualified candidate for each role, regardless of their background. Furthermore, Lockheed Martin is dedicated to ensuring our recruitment process is inclusive for all individuals. We are prepared to accommodate reasonable adjustments for applicants as needed. If you require assistance or adjustments to participate in the job application or interview process, please contact or call . #J-18808-Ljbffr

Key Responsibilities Support and maintain Linux-based infrastructure across two UK data centres Assist in migrating applications and services into a hybrid cloud environment (AWS) Use Infrastructure as Code tools (Terraform, Ansible) to manage environments* Help automate deployment pipelines and e