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Senior C / C++ Software Engineer - Cheltenham, UK • Up to £80,000 Depending on Experience, • Hybrid working, 3 days onsite with flexibility, • DV clearance required About the Client Our client is a well-established and highly technical software business, known for delivering complex, high-performance systems across multiple platforms. Their engineering teams are collaborative, quality driven, and focused on solving challenging problems. Due to continued growth, they are looking for an experienced Senior C / C++ Software Engineer to join their team. The Benefits • Annual cash bonus, • Private medical cover, • High employer pension contribution, • Enhanced parental leave, • Training and development support budget, • Cycle to work and electric car scheme The Senior C / C++ Software Engineer Role As a Senior Engineer, you will design and develop complex software solutions, working across the full development lifecycle. You will contribute to architecture, support improvements to existing systems, and play a key role in ensuring code quality through best practice engineering approaches. There is also the opportunity to mentor others and influence technical direction. Senior C / C++ Software Engineer Essential Skills • Strong commercial experience with C or C++, • Experience designing and delivering complex software systems, • Familiarity with at least one platform such as Windows, Linux, macOS, iOS or Android, • Strong understanding of debugging, testing, and code quality practices, • Experience contributing across the full software development lifecycle To Be Considered: Please either apply through this advert or emailing me directly via . For further information please call me: . By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. Key Skills C, C++, Software Engineering, Linux, Windows, Debugging, Embedded Systems, Cross Platform, NSD

Principal Systems AdministratorTake ownership of core infrastructure design and technical guidance within a critical sector where your expertise ensures system resilience. This position allows you to drive advanced infrastructure projects and influence engineering practices while collaborating with senior management to deliver robust technical research. You will be able to shape complex architecture and guide technical teams in an environment that values structural stability and long term career progression.Essential requirements • Proven background providing technical guidance and infrastructure administration at a senior level., • Sole British nationality is required due to the nature of the projects., • Eligibility to obtain and maintain UK Government security clearance., • Domain experience within the defence or high security infrastructure sector.Your package, • Performance related annual cash bonus scheme., • Up to 8% employer pension contribution via salary exchange., • Comprehensive private medical and dental insurance coverage.The work, • Act as the systems administration lead on advanced projects and major programmes., • Install, configure, administer and troubleshoot complex infrastructure and application deployments., • Apply subject matter expertise to provide technical recommendations to management and guide team members., • Participate in a technical roster to support the delivery of resilient services and manage planned infrastructure changes., • Maintain and disseminate approved operational procedures aligned with industry security standards.Skills and background, • Comprehensive knowledge of VMware vSphere 8.0 or above alongside Fibre Channel storage technologies., • Strong capabilities with Microsoft OS 2019 and 2022, Exchange, Office 365 and Active Directory Federated trusts., • Experience with Citrix XenApp, XenDesktop and Citrix Netscaler., • Technical capability with cloud environments such as Amazon Web Services or Azure., • Practical knowledge of Linux environments and Ansible automation tools., • Familiarity with SQL Server administration and project frameworks including ITIL, Agile or Scrum.Benefits and balance, • Here is how this employer helps you thrive:, • Optional compressed working schedule providing every other Friday off., • Twenty five days annual holiday allowance with the option to buy or sell leave., • Workplace nursery scheme with a monthly employer contribution., • Support for industry memberships alongside unlimited access to global online learning platforms.Location and setup, • This position is based in Cheltenham and operates on a hybrid working pattern., • The role requires travel within the United Kingdom up to 25% of the time, with occasional international travel to regional offices.Share your profile to arrange a short confidential call this week.You will be represented by a specialist technical recruiter who will guide you through each stage of the process.Due to the nature of work at our client’s site, these vacancies are only open to British Citizens who hold SC clearance or can obtain it.This is a permanent role.Electus Recruitment Solutions provides specialist engineering and technical recruitment solutions to high technology industries. Thank you for your interest. If you do not hear from us within seven working days, please presume your application has been unsuccessful on this occasion. You may resubmit your CV or details in the future, and we shall assess your suitability then.

Vulnerability Researcher - Cheltenham, UK • Base salary up to £85,000 depending on experience, • Hybrid working, average 3 days onsite per week, • Active SC clearance required minimum About the client Our client is a highly respected UK organisation delivering advanced cyber and security research for critical national programmes. They invest heavily in innovation, technical excellence, and long-term capability building. Due to continued growth in specialist research projects, they are now looking to appoint an experienced Vulnerability Researcher. The benefits • Compressed working week option (4 or 4.5 days), • Annual bonus scheme, • Enhanced family friendly and sick pay policies, • Access to flexible benefits including health and wellbeing options, • Additional cash bonus opportunities The Vulnerability Researcher role As a Vulnerability Researcher, you will carry out deep technical research into complex software systems, identifying vulnerabilities and exploring novel attack techniques across modern platforms. You will work closely with multidisciplinary teams to design prototypes, test hypotheses, and document findings that directly influence future cyber capabilities. Key responsibilities include: • Reverse engineering of software binaries and applications, • Conducting vulnerability research across operating systems, applications, and network services, • Developing proof of concepts and exploits to demonstrate impact, • Analysing system behaviour, APIs, and network protocols to uncover security weaknesses, • Fuzzing and dynamic analysis of software to identify unknown vulnerabilities, • Contributing to tool development to support vulnerability discovery and analysis, • Producing clear technical documentation for a range of stakeholders Vulnerability Researcher essential skills • Previous experience in software vulnerability research or exploit development, • Solid programming skills with C, C++, Python, or similar, • Experience with reverse engineering tools such as Ghidra, IDA Pro, or Binary Ninja, • Understanding of operating system internals, particularly Linux or Windows, • Experience with debugging tools and techniques Desirable experience • Experience in exploit mitigation bypass techniques (ASLR, DEP, sandbox escape), • Familiarity with fuzzing frameworks and automated testing approaches, • Exposure to network protocols and distributed systems, • Scripting or automation experience for vulnerability discovery workflows, • Knowledge of secure software development practices, • Experience working in research led or highly technical environments Key skills Vulnerability Researcher, software security, reverse engineering, exploit development, Linux, Windows internals, fuzzing, C, C++, Python, cyber research, NSD

Senior DevSecOps Engineer Brockworth, Gloucester £51500-£64000 plus BUPA, benefits and bonus 37.5 hours + 4 Day Work Week option 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. The role: Join Our Team as an DevSecOps Engineer (with a Focus on Infrastructure Engineering)! We are working to secure critical digital infrastructure on a long term programme based out of Gloucester at our state of the art Cyber Centre. 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 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., • 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! Apply now to join our team and embark on an exciting journey of innovation and growth. Required skills, qualifications and experience : • 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. Desired Skills: • Ability to 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., • Oracle Java Certification., • ISTQB Certification., • OSCP Certification. 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 recruitment@global.lmco.com or call 02392 415270.

Join a business delivering critical, high-impact projects where secure and resilient infrastructure is essential. This Principal Systems Administrator role sits at the heart of enterprise technology, leading technical delivery, solving complex challenges, and helping shape future systems strategy. Role Overview: • Location: Hybrid working with UK travel as required, • Package: Competitive salary + performance bonus + private healthcare + flexible benefits, • Industry: Technology / Defence / Secure Infrastructure What You’ll Be Doing: • Providing technical leadership across core infrastructure environments and supporting wider engineering teams with expert guidance, • Designing, implementing and maintaining enterprise systems to ensure reliability, security and performance, • Diagnosing and resolving complex infrastructure, deployment and application issues across business-critical environments, • Leading systems administration activity across technical projects and programmes, • Supporting the delivery of a 24/7 operational service, including participation in an on-call rota and occasional out-of-hours change activity, • Working closely with third-party vendors to manage upgrades, support requests and technical escalations, • Contributing to service planning and helping shape technical standards, principles and best practice, • Ensuring processes align with recognised governance and security standards, including ISO frameworks Main Skills Needed: • Strong experience across enterprise systems administration and infrastructure support, • Hands-on expertise with virtualisation technologies, particularly VMware environments, • Experience with storage platforms, cloud services and Microsoft technologies including Windows Server, Exchange and Microsoft 365, • Knowledge of Citrix environments and secure remote access technologies, • Understanding of SQL Server administration and database fundamentals, • Experience working with Linux environments, automation tools and identity/access technologies, • Strong networking fundamentals including DNS, DHCP, TCP/IP and wider connectivity concepts, • Familiarity with IT service and delivery frameworks such as ITIL, Agile or Scrum, • Ability to work within highly secure environments and support business-critical systems What’s in It for You: • Flexible hybrid working options designed around work-life balance, • Optional compressed hours with every other Friday off, • Private healthcare and performance-related bonuses, • Career development opportunities with access to ongoing learning and progression, • The chance to work on meaningful, technically complex projects in a highly secure environment, • Exposure to a broad range of technologies with opportunities to influence infrastructure direction Security Clearance: Due to the nature of the work, applicants must be sole UK nationals and eligible to obtain and maintain UK Government SC clearance. Call to Action: Curious? Apply now — or grab five minutes with us to hear more. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. By applying you are confirming you are happy to be added to the Addition Solutions mailing list regarding future suitable positions. You can opt out of this at any time simply by contacting one of our consultants.

Staff DevSecOps Engineer Brockworth, Gloucester £69000-£86000 plus BUPA, benefits and bonus 37.5 hours + 4 Day Work Week option 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. The role: Join Our Team as an DevSecOps Engineer (with a Focus on Infrastructure Engineering)! We are working to secure critical digital infrastructure on a long term programme based out of Gloucester at our state of the art Cyber Centre. 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 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., • 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! Apply now to join our team and embark on an exciting journey of innovation and growth. Required skills, qualifications and experience : • 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. Desired Skills: • Ability to 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., • Oracle Java Certification., • ISTQB Certification., • OSCP Certification. 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 recruitment@global.lmco.com or call 02392 415270.

Role: Cloud Infrastructure Engineer Location: Cheltenham – Flexible/Hybrid Salary: £70,000 – £100,000 We are seeking a Cloud Infrastructure Engineer to join the Infrastructure Team at one of our defence clients with offices in Cheltenham. In this role, you will support customers in migrating and modernising mission-critical systems across AWS and hybrid cloud environments. Working closely with experienced engineers and architects, you will help design and deliver secure, scalable solutions across cloud and on-premise platforms. Your work will improve system reliability, reduce operational costs, and increase organisational agility across national security programmes, using modern Infrastructure as Code and DevSecOps practices. Responsibilities: • Design, build and implement AWS and hybrid cloud solutions for gov/defence industry clients., • Define scalable and secure infrastructure architectures., • Administer and optimise Linux and Windows-based systems in enterprise environments., • Design and troubleshoot IP networking solutions., • Automate deployment, configuration and maintenance processes using Infrastructure as Code and configuration management tooling., • Contribute to continuous improvement through DevSecOps practices and innovation. Requirements: • Proven experience in IT systems design, deployment and administration, including leadership responsibilities., • AWS certification at Associate level with hands-on experience delivering cloud-based solutions., • Strong expertise in Linux and Windows system administration., • Solid understanding of IPv4 networking including subnetting, routing (OSPF), VLANs and VPNs., • Experience automating tasks using tools such as Ansible, Bash, PowerShell, Puppet or Python., • Due to the nature of work, you must be a sole British Citizen and be able to gain DV clearance.

Vulnerability Researcher (Software) - Cheltenham, UK • Base salary up to £85,000 depending on experience, • Hybrid working, average 3 days onsite per week, • Active SC clearance required minimum About the client Our client is a highly respected UK organisation delivering advanced cyber and security research for critical national programmes. They invest heavily in innovation, technical excellence, and long-term capability building. Due to continued growth in specialist research projects, they are now looking to appoint an experienced Vulnerability Researcher. The benefits • Compressed working week option (4 or 4.5 days), • Annual bonus scheme, • Enhanced family friendly and sick pay policies, • Access to flexible benefits including health and wellbeing options, • Additional cash bonus opportunities The Vulnerability Researcher role As a Vulnerability Researcher, you will carry out deep technical research into complex software systems, identifying vulnerabilities and exploring novel attack techniques across modern platforms. You will work closely with multidisciplinary teams to design prototypes, test hypotheses, and document findings that directly influence future cyber capabilities. Key responsibilities include: • Reverse engineering of software binaries and applications, • Conducting vulnerability research across operating systems, applications, and network services, • Developing proof of concepts and exploits to demonstrate impact, • Analysing system behaviour, APIs, and network protocols to uncover security weaknesses, • Fuzzing and dynamic analysis of software to identify unknown vulnerabilities, • Contributing to tool development to support vulnerability discovery and analysis, • Producing clear technical documentation for a range of stakeholders Vulnerability Researcher essential skills • Previous experience in software vulnerability research or exploit development, • Solid programming skills with C, C++, Python, or similar, • Experience with reverse engineering tools such as Ghidra, IDA Pro, or Binary Ninja, • Understanding of operating system internals, particularly Linux or Windows, • Experience with debugging tools and techniques Desirable experience • Experience in exploit mitigation bypass techniques (ASLR, DEP, sandbox escape), • Familiarity with fuzzing frameworks and automated testing approaches, • Exposure to network protocols and distributed systems, • Scripting or automation experience for vulnerability discovery workflows, • Knowledge of secure software development practices, • Experience working in research led or highly technical environments Key skills Vulnerability Researcher, software security, reverse engineering, exploit development, Linux, Windows internals, fuzzing, C, C++, Python, cyber research, NSD

Junior Cloud Operations Engineer £30,000 - 33,000 GBP + Bonus & Shift Allowance Onsite WORKING Location: Cheltenham, Gloucester, South West - United Kingdom Type: Permanent Job Title: Junior Cloud Operations Engineer Location: Cheltenham (5 days onsite) Salary: £33,000 + bonus + shift uplift About the Role An opportunity to join a secure cloud operations team supporting critical UK infrastructure. This role offers hands-on exposure to modern cloud platforms in a highly secure, internet-disconnected environment. Working as part of a 24/7 engineering team, you will support live systems, resolve technical issues, and develop skills across Linux, Kubernetes, and cloud technologies. Key Responsibilities • Support live cloud environments and resolve technical issues, • Follow runbooks to diagnose and escalate incidents, • Work within a structured ticketing environment, • Gain exposure to Kubernetes, infrastructure tooling, and secure platformsRequirements, • Degree in Computer Science or related field, or equivalent experience, • Exposure to Linux systems, • Interest in cloud / DevOps / infrastructure, • Willingness to work a 24/7 shift pattern onsitePackage

Hardware Design Engineer | Gloucester | Circa £80,000 I’m working with a highly technical client in Gloucester looking for an experienced Hardware Design Engineer to join their growing team. This is a hands-on role working across complex PCB design and FPGA development, with opportunities to lead projects and mentor junior engineers. Key responsibilities: FPGA development (VHDL) for signal/image processing Complex PCB design (FPGAs, SoCs, high-speed interfaces, RF) Hardware bring-up, test firmware/software Linux device driver development Mentoring junior engineers What I’m looking for: 3+ years in PCB design and/or FPGA (VHDL) Embedded C/C++ experience Strong academic background (degree in a numerate field) Confident communicator, able to work independently Package: Circa £80,000 25 days holiday + bank holidays 10% pension * Life insurance & income protection Apply now to learn more...

Hexwired has partnered with a company who are a leading company in the electronics sector. They are looking for a Production Assembly Technician who will be hand soldering surface mount components to PCB’s. Although you will be working in a team you should be able to work under your own steam. Key skills required for this role: Experience working with printed circuit boards (PCBs) of various sizes, such as approximately 10mm², 25mm x 45mm, and 18mm x 190mm. Familiarity with handling fine solder wire, typically around 0.38mm in diameter. * Proficient in using precision tools, including fine-tipped tweezers, scalpels, and small wire cutters. The salary for this Production Assembly Technician role will be up to £30,000 per annum. The company are rapidly expanding and are at the forefront of their industry. They are looking to pay circa up to £30k dependent on experience along with an excellent benefits package. If you’re interested in this Production Assembly Technician in Cheltenham, please apply. For more information on this role, or any other jobs across; Embedded, C++ programming, Embedded Linux, Golang Development, Machine Learning, Data Science or Simulation contact us today...

Penetration Tester Location: Cheltenham (Hybrid Working Available) An established cyber security consultancy is seeking a Penetration Tester to join its growing technical team based in Cheltenham. Working with clients across a variety of sectors, you will deliver offensive security assessments, identify vulnerabilities, and provide practical recommendations to improve security posture. This role offers exposure to a broad range of technologies, ongoing professional development, and the opportunity to work alongside experienced cyber security specialists. Key Responsibilities Conduct infrastructure, web application, and vulnerability assessments. Perform penetration testing activities across client environments. Deliver clear, accurate, and professional technical reports. Support client engagements from initial scoping through to delivery. Identify and communicate security risks and remediation recommendations. Stay up to date with emerging cyber threats, attack techniques, and industry developments. Work closely with clients and internal teams to deliver high-quality security services. Requirements Previous experience in penetration testing or offensive security. Experience testing infrastructure and web applications. Familiarity with common penetration testing tools such as Kali Linux, Burp Suite, Nessus, and similar platforms. * Strong understanding of cyber ...

Senior Cloud Infrastructure / Operations Engineer £46,000 - 51,000 GBP + Bonus & Shift Allowance Onsite WORKING Location: Cheltenham, Gloucester, South West - United Kingdom Type: Permanent Job Title: Senior Cloud Operations Engineer Location: Cheltenham (5 days onsite) Salary: £51,000 + bonus + shift uplift About the Role A senior operations role within a secure cloud platform supporting critical UK infrastructure. This role focuses on complex incident management, platform troubleshooting, and operational improvement within a Kubernetes-based environment. Key Responsibilities • Own and resolve complex incidents across cloud infrastructure, • Troubleshoot Kubernetes, networking, and platform issues, • Act as an escalation point within the team, • Improve operational processes and reduce manual effortRequirements, • Strong experience in platform engineering / SRE / DevOps, • Deep Linux expertise, • Hands-on Kubernetes and Terraform experience, • Background in live service / production environmentsAdditional Requirements, • Sole British national, • SC clearance eligibility, • Onsite 5 days per weekReference: AMC/JDR/C...

Cloud Operations Engineer £30,000 to 50,000 GBP Bonus Onsite WORKING Location: Cheltenham , Gloucester, South West - United Kingdom Type: Permanent Cloud Operations Engineer / Lead Engineer (Multiple Roles) Location: Cheltenham (Onsite, 5 days per week) Levels: Multiple hires (junior to senior) Eligibility: UK Citizen and eligible for SC clearance Working Pattern: 24/7 shift-based operational environment Package: Competitive salary depending on experience plus shift allowance Overview We are hiring multiple Cloud Operations Engineers and Lead Engineers to join a highly secure, mission-critical cloud operations team. The role is open to a broad range of backgrounds, including Computer Science graduates, Linux-focused infrastructure engineers, Kubernetes/platform engineers, and individuals from live service or service desk environments with strong incident management experience. This is a hands-on operational engineering role focused on maintaining stability, availability, and performance of a complex, secure cloud platform operating at scale. Key Responsibilities • Provide frontline operational support for secure cloud infrastructure and platform users, • Troubleshoot and resolve critical incidents across live production systems, • Lea...

Vulnerability Researcher, software security, reverse engineering, exploit development, Linux, Windows internals, fuzzing, C, C++, Python, cyber research, NSD. Due to continued growth in specialist research projects, they are now looking to appoint an experienced Vulnerability Researcher. As a Vulner

Ripjar Ltd is seeking a DevOps Engineer who will ensure the reliability and security of infrastructure that supports development and operational services. This role involves automating system deployments using Infrastructure as Code, managing Linux-based systems, and configuring public cloud infrast

We’re on the lookout for an IT Systems Engineer with a specialisation in Linux to join our small, friendly, and hands‑on team. This role will provide you with the opportunity to work with a highly technical company and grow your career into an Infrastructure Engineer, with the opportunity to get

A leading technology consulting firm is seeking a Senior Linux Infrastructure Engineer for a hybrid role based in the United Kingdom. The ideal candidate will have strong Linux engineering skills, AWS experience, and a Bachelor's degree.

CoreTech is a specialist cyber security company, proud of our world‑class technical capability. We’re on the lookout for an IT Systems Engineer with a specialisation in Linux to join our small, friendly, and hands‑on team. Keep up with daily checks on critical systems such as backups, update s

JP) in Cheltenham is seeking a Senior Cloud Solutions Engineer to design and maintain cloud systems for national security.The role includes Linux and Windows administration, and requires strong AWS skills.The ideal candidate has a Bachelor's degree in Computer Science and AWS certification.Benefits

Senior C / C++ Software Engineer - Cheltenham, UK Up to £80,000 Depending on Experience Hybrid working, 3 days onsite with flexibility DV clearance required About the Client Our client is a well-established and highly technical software business, known for delivering complex, high-performance systems across multiple platforms. Their engineering teams are collaborative, quality driven, and focused on solving challenging problems. Due to continued growth, they are looking for an experienced Senior C / C++ Software Engineer to join their team. The Benefits Annual cash bonus Private medical cover High employer pension contribution Enhanced parental leave Training and development support budget Cycle to work and electric car scheme The Senior C / C++ Software Engineer Role As a Senior Engineer, you will design and develop complex software solutions, working across the full development lifecycle. You will contribute to architecture, support improvements to existing systems, and play a key role in ensuring code quality through best practice engineering approaches. There is also the opportunity to mentor others and influence technical direction. Senior C / C++ Software Engineer Essential Skills Strong commercial experience with C or C++ Experience designing and delivering complex software systems Familiarity with at least one platform such as Windows, Linux, macOS, iOS or Android Strong understanding of debugging, testing, and code quality practices Experience contributing across the full software development lifecycle To Be Considered: Please either apply through this advert or emailing me directly via . For further information please call me: 07719 065949. By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. Key Skills C, C++, Software Engineering, Linux, Windows, Debugging, Embedded Systems, Cross Platform, NSD TPBN1_UKTJ

Principal Infrastructure Engineer- Cheltenham-Permanent (flexible work patterns available) - Up to £80,000 About the Opportunity This is an exciting opportunity for an experienced Principal Systems Administrator to play a key role in the design, delivery, and support of critical enterprise infrastructure within a highly secure and technically complex environment. Working as part of a skilled infrastructure team, you will provide technical leadership, contribute to strategic projects, and ensure the reliability, security, and performance of core business systems. This role offers the chance to work with a broad range of technologies while influencing technical direction and supporting business-critical services. Key Responsibilities • Provide technical leadership and subject matter expertise across infrastructure and systems administration functions., • Design, implement, administer, and support enterprise systems and platforms., • Lead and contribute to complex infrastructure projects and service improvements., • Troubleshoot and resolve advanced technical issues across multiple technology domains., • Support the delivery of highly available services, including participation in an on-call rota and out-of-hours change activities., • Collaborate with internal teams and third-party vendors to maintain and enhance critical applications and infrastructure., • Contribute to service planning, operational excellence, and continuous improvement initiatives., • Ensure compliance with established operational procedures, security requirements, and industry standards, including ISO20000 and ISO27001., • Provide guidance and mentoring to other technical team members where required. Required Skills and Experience You will have a strong technical background across several of the following areas: • VMware vSphere 8.0 or later, • Windows Server 2019/2022 administration, • Microsoft Exchange and Microsoft 365, • Active Directory and Federated Trusts, • Citrix XenApp, XenDesktop, and NetScaler, • Fibre Channel storage technologies, including Dell NetApp solutions, • Amazon Web Services (AWS) and/or Microsoft Azure, • SQL Server administration and database concepts (SQL Server 2019), • Public Key Infrastructure (PKI) and Certificate Authority administration, • Linux system administration, • Ansible automation, • Enterprise networking fundamentals including TCP/IP, DNS, DHCP, and MPLS What's on Offer • Flexible hybrid working arrangements., • Optional compressed working schedule with every other Friday off., • Private healthcare., • Performance-related bonus opportunities., • Ongoing training and career development., • Opportunity to work on challenging and impactful projects within a secure, mission-focused environment. Eligibility Due to the nature of the work, applicants must be sole UK nationals. If this role is of interest please get in touch

Location: Cheltenham – Flexible/Hybrid Salary: £70,000 – £100,000 We are seeking a Cloud Infrastructure Engineer to join one of our defence clients with offices in Cheltenham. In this role, you will support customers in migrating and modernising mission-critical systems across AWS and hybrid cloud environments. Working closely with experienced engineers and architects, you will help design and deliver secure, scalable solutions across cloud and on-premise platforms. Your work will improve system reliability, reduce operational costs, and increase organisational agility across national security programmes, using modern Infrastructure as Code and DevSecOps practices. Responsibilities: Design, build and implement AWS and hybrid cloud solutions for gov/defence industry clients. Define scalable and secure infrastructure architectures. Administer and optimise Linux and Windows-based systems in enterprise environments. Design and troubleshoot IP networking solutions. Automate deployment, configuration and maintenance processes using Infrastructure as Code and configuration management tooling. Contribute to continuous improvement through DevSecOps practices and innovation. Requirements: Proven experience in IT systems design, deployment and administration, including leadership responsibilities. AWS certification at Associate level with hands-on experience delivering cloud-based solutions. Strong expertise in Linux and Windows system administration. Solid understanding of IPv4 networking including subnetting, routing (OSPF), VLANs and VPNs. Experience automating tasks using tools such as Ansible, Bash, PowerShell, Puppet or Python. Due to the nature of work, you must be a sole British Citizen and be able to gain DV clearance. Benefits: Flexible/ hybrid working options, including compressed working week. Private healthcare, dental cover, life assurance and pension. Cash health plan and critical illness options. Holiday buy and sell scheme. Performance incentive programme. Career development and ongoing professional growth opportunities

Senior Embedded LINUX Architect (Yocto/Buildroot) – Space Systems. Senior Embedded LINUX Architect (Yocto/Buildroot).

One of the most advanced and (genuinely) passionate telecoms teams, developing infrastructure literally keeping millions of the British public safe, are looking for a Senior Software Engineer with expertise in Linux Kernel development to join the team.

Design, document, deploy, and manage Ubuntu-based Linux infrastructure (LTS releases) across physical, virtual, and private cloud environments. Own the full Linux server lifecycle: provisioning, configuration management, patching, hardening, and decommissioning. Perform performance tuning, capacity

We’re on the lookout for an IT Systems Engineer with a specialisation in Linux to join our small, friendly, and hands‑on team. Experience working on Linux platforms within a commercial environment, we're not particularly fussed on flavour but most of our machines run on Ubuntu or RedHat.

The ideal candidate should have strong skills in Linux and Windows server management, along with WAN and LAN troubleshooting capabilities.

Advantageous skills include FreeRTOS, Embedded Linux, and Linux kernel development. Graduates with experience in software development using C, C++, Python, and awareness of embedded systems, DSP, Firmware, and Linux will also be considered.

You will assist with onboarding and maintaining workstations across macOS, Linux, and Windows.

We are seeking a leader for our growing team of Linux Engineers. Find out more about the Linux Engineer role here ). To succeed in this role, they should be Linux Engineers at heart who have grown into several of the following areas: people management, project and programme management, large-scale c

Ideal candidates will have significant experience in Support Engineering, extensive Linux knowledge, and a strong academic background.

The ideal candidate should have strong experience in Linux and embedded systems, proficiency in Python, and knowledge of driver development.

IBM is looking for a Senior Linux Infrastructure Engineer in the United Kingdom, specifically Greater London.

Technical Futures Ltd in the United Kingdom seeks a Degree qualified Embedded Software Engineer with expertise in C programming for Linux and PIC based Microcontrollers.

Offering hybrid, flexible, working they’re looking to hire an experienced Linux Engineer and good experience across Ansible, Packer and AWS. From day one you’ll be involved in the design, build, implementation and support of innovative Linux systems with a focus on availability, performance, rel

Familiarity with Linux and unit testing frameworks such as JUnit is crucial.

Gazelle Global is seeking a Middleware Engineer (Linux/Unix) for a position in the UK (Reading, Leeds or London).

In this role, you will support and maintain customer test and production environments, ensuring stability and security for critical applications across Windows and Linux servers.

The ideal candidate will have robust experience in Linux and Windows systems, and will be responsible for optimizing system performance and providing technical support to the team.

Ensure infrastructure security compliance and implement best practices for system hardening (CIS benchmarks, AppArmor/SELinux, auditd, patch management). Troubleshoot complex technical issues related to Linux, virtualisation, and data centre environments and provide Level 3 support. Plan and execut

WorksHub is looking for a Linux Systems Developer based in London, United Kingdom.

Candidates should possess a bachelor's degree in Computer Science or equivalent, along with experience in C++, C, and Linux within a regulated industry.

A leading privacy-focused software company in Greater London seeks an experienced developer to create a Linux desktop client for Proton Drive from scratch. Candidates must have over 5 years of software development experience focused on Linux, familiarity with DevOps, and coding best practices.

Advanced Resource Managers is looking for a Software Engineer in Tewkesbury, England.This role involves developing software for network security and data processing applications primarily in C++.The successful candidate will support customers and provide training while also mentoring other developer

Candidates should have strong experience in embedded systems, including Linux device drivers and signal processing.

Energy Jobline ZR is seeking a Senior Linux Engineer to transform its core infrastructure. This role involves leading the migration from VMware to Red Hat OpenShift while optimizing the existing Linux environment. Candidates should have a strong Linux engineering background and experience with OpenS

Production Engineer - Trading - Linux - £150K.