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Senior z/Linux Engineer (RHEL / IBM Z) DURATION: Initial 6 months (likely extension) LOCATION: Leeds (preferred). Also open to Edinburgh, Manchester, Halifax ONSITE REQUIREMENTS: Hybrid - 2 days onsite per week (local office) ENGAGEMENT TYPE: Outside IR35 DAY RATE: £550 per day LEGAL RIGHT TO WORK:Candidates must have the legal right to work in the UK. Unfortunately, sponsorship is not available for this role. ATRIUM GLOBAL SUMMARY Atrium Global is supporting a client in the financial services sector in hiring a Senior z/Linux Engineer to join their Core Infrastructure Platform team within Mainframe Services. JOB OVERVIEW This role is focused on the support, stability and continuous improvement of enterprise Linux environments running on IBM Z. You will work across a highly regulated, mission-critical platform, primarily supporting RHEL-based z/Linux systems under z/VM. This is a Linux-first role, requiring strong hands-on system administration experience within enterprise production environments. Exposure to IBM Z is highly beneficial, but strong Linux engineers with the right background will also be considered. RESPONSIBILITIES • Provide hands-on support and engineering across enterprise Linux (RHEL) environments, • Support BAU operations across development, test and production (incident, problem and change), • Provision, configure and maintain z/Linux virtual machines under z/VM, • Deliver OS patching, upgrades and vulnerability remediation across Linux platforms, • Support platform lifecycle management, ensuring stability, performance and compliance, • Work closely with adjacent infrastructure teams (mainframe, storage, network, security), • Contribute to platform improvements, upgrades and optimisation initiatives, • Produce and maintain technical documentation, runbooks and operational procedures, • Participate in on-call / standby rota (approx. 1 week in 4–5) REQUIREMENTS • Strong Linux system administration experience (RHEL preferred), • Proven experience supporting enterprise production environments (BAU, incidents, patching, upgrades), • Experience working in regulated or large-scale environments (e.g. banking, government, utilities), • Hands-on experience with OS patching, upgrades and vulnerability remediation, • Familiarity with ITIL-aligned processes (incident, problem, change management), • Ability to work independently within an established infrastructure/platform team Desirable: • Experience with z/Linux (s390x) or Linux on IBM Z, • Exposure to z/VM and virtualisation concepts, • Experience with automation tools (Ansible, Bash, Python), • Exposure to OpenShift or container platforms

Job Title: Principal Embedded Software EngineerLocation: BradfordSalary: Up to £75k (depending on experience) We’re partnering with an established technology engineering organisation seeking a Principal Embedded Software Engineer to lead software architecture, technical delivery, and development strategy across advanced embedded systems. This is a senior, hands-on role combining system architecture, embedded software development, and project ownership. You will guide technical direction and ensure high-quality delivery across the full software lifecycle. A key aspect of this position is applying electrical power systems knowledge and protection function theory within embedded control and communication environments. If you’re a senior embedded engineer looking to influence architecture, lead delivery, and work on complex real-time systems, we want to hear from you!About the Role • Define and own embedded software architecture and technical direction, • Lead delivery of complex embedded projects to time and quality targets, • Develop and maintain robust C/C++ embedded codebases, • Translate system requirements into structured deliverables and work packages, • Guide design decisions and review implementation approaches, • Oversee testing strategy, documentation, and release quality, • Identify technical risks and implement mitigation strategies, • Drive Agile processes and continuous improvement practices, • Collaborate cross-functionally with engineering and project stakeholdersAbout you, • Degree (or equivalent experience) in Computer Science, Electronics, or similar, • Advanced C/C++ embedded development experience, • Strong background in embedded systems design, • Experience working with real-time operating systems (e.g., FreeRTOS), • Solid understanding of multithreading and concurrency, • Networking knowledge including TCP/IP, UDP and secure communications, • Experience with embedded Linux or RTOS environments, • Knowledge of electrical power systems and protection function theory, • Experience delivering commercial embedded products end-to-end, • Peripheral interfacing experience (SPI, I2C, memory interfaces), • Debugging complex real-time or multithreaded systemsDesirable Experience, • Linux-based embedded platforms or containerised environments, • Python or scripting languages, • CI/CD pipelines and DevOps tooling, • Industrial communication protocols or automation systems, • Cybersecurity concepts within embedded environments, • Cloud or enterprise platform integration, • Wireless communications (WiFi, Bluetooth, Zigbee) Please note, we cannot offer sponsorship for this role. If interested, please send over an updated CV.

PRINCIPAL DEVOPS ENGINEER- SC CLEARED PRINCIPAL DEVOPS ENGINEER- Permanent opportunity for a Principal DevOps Engineer with SC Clearance. - Salary up to £105,000 DOE - Hybrid opportunity with Leeds based offices - To apply, please call Laura Jackson on , or email with an up-to-date CV. WHO ARE WE?We're hiring for DevOps Engineers at principal level to join a top consultancy delivering cutting-edge solutions for industry-leading Public Sector and Defence clients. You'll have the opportunity to work across multiple high-impact, innovative and mission-critical projects, shaping solutions that make a real difference. Due to the sensitive nature of the work, an SC Clearance eligibility is required. THE PRINCIPAL DEVOPS ENGINEER- Active SC Clearance or SC Clearance eligibility - Leeds Based or ability to travel to Leeds.- Experience as in a Senior/ Principal DevOps/ Platform engineering role PRINCIPAL DEVOPS ENGINEER ESSENTIAL SKILLS- Strong Linux expertise (RHEL/CentOS) with experience supporting production systems- Git for version control and collaborative development (GitHub / GitLab)- AWS cloud infrastructure, ideally with Infrastructure as Code using Terraform- Kubernetes and container technologies (Docker) for modern platform environments- Experience working with CI/CD pipelines and automation tooling (e.g. Jenkins, Bamboo)- Strong understanding of modern platform architecture, microservices and cloud-native systems- Good communication skills and ability to provide technical leadership. TO BE CONSIDERED:Please either apply through this advert or emailing me directly on . 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 SKILLSDEVOPS ENGINEER, DEVOPS, SITE RELIABILITY ENGINEER, PLATFROM ENGINEER, PLATFROM, CLOUD, AWS, AWS CLOUD, AWS ENGINEER, ANSIBLE, TERRAFORM, CLOUD SUPPORT, CLOUD INFRASTRUCTURE, DEFENCE, NATIONAL SECURITY, DV CLEARED, DV CLEARANCE, SECURITY CLEARED, SC CLEARANCE, NSD

Job description: Platform Engineer Location: Leeds, UK (3 days in office) SC Cleared/Eligibilty: Required Job Type: Full-Time Relevant Experience: 10-15 Years Key responsibilities: • Design, build, and maintain efficient, reusable, and reliable platform solutions. Including monitoring, managing and optimising cloud-based (AWS) resources., • Feed engineering insight and experience into the wider Strategy and Architecture team to identify opportunities to improve engineering across the whole organisation., • Document all procedures and policies for maintaining and improving system infrastructure., • Implement automation tools and frameworks (CI/CD pipelines) for efficient and secure deployment and operations. Whilst also working with development teams to facilitate the deployment and operation of systems. Skills Required: Minimum • Experience as a Senior Platform Engineer including a solid understanding of software engineering principles and their application., • Experience of Scripting and pipeline automation (e.g. Jenkins and GitHub Actions)., • Strong understanding of cloud services (AWS) and containerisation technologies (e.g., Docker, Kubernetes)., • Experience of working closely with development and infrastructure teams to quickly understand requirements and implement solutions., • Adept at leveraging automation to improve development processes and optimise software delivery., • Ability to cooperate closely with both engineers and product teams — including designers, product managers, and analysts., • Hands on CloudFormation scripting, troubleshooting and debugging, • Working knowledge of Chef, scripting and troubleshooting, • Experience with Python scripting and troubleshooting, • Experience with Jenkins pipelines (multibranch), deployments, groovy scripting, • Experience with Linux commands and knowledge of troubleshooting web services, • Experience with AWS services – EC2, NLB, API Gateway, ASG, etc. Why Join Us? • We’re a purpose‑driven organisation committed to creating positive impact and championing inclusion., • You’ll join a culture that encourages innovation, collaboration, and continuous growth., • We celebrate difference and believe diverse perspectives lead to stronger solutions., • Even if you don’t meet every requirement, we encourage you to apply — great talent comes from a variety of backgrounds., • Your lived experience, unique strengths, and personal story matter — they help us design better outcomes for the communities we serve., • We celebrate diversity of experience, knowledge, backgrounds, and perspectives, and believe these differences enable us to create meaningful impact. We are proud to be an equal opportunity employer and are committed to fairness and inclusion for all, regardless of sex, race, religion or belief, ethnic or national origin, disability, age, citizenship, marital or partnership status, sexual orientation, gender identity, pregnancy or related conditions, or any other protected characteristic. If you require any reasonable adjustments or additional support during the recruitment process, please let us know.

The Company A high-performance proprietary trading firm operating across global digital asset markets. The business has been profitable since inception and runs a lean, engineering-led team focused on building and optimising low-latency trading systems. They operate with a flat structure, minimal bureaucracy, and a strong emphasis on technical excellence and ownership. The Role You will join a small, highly technical team building and optimising real-time trading systems. This is a hands-on C++ role focused on: • Real-time market data processing, • High-throughput, low-latency systems, • Trading infrastructure and execution pipelines, • Performance optimisation across distributed systems What You’ll Do • Design and build high-performance C++ systems, • Optimise latency, throughput, and system efficiency, • Work on real-time data pipelines and execution logic, • Collaborate closely with engineers and trading teams, • Contribute to system architecture and scalability decisions What You’ll Need • Strong C++ experience (modern C++ preferred), • Low-latency or HFT exposure, • Experience working on performance-critical or real-time systems, • Strong understanding of:, • Concurrency / multithreading, • Memory management, • Data structures and algorithms, • Linux environment experience, • Strong problem-solving ability Nice to Have • Trading / financial markets experience, • Python or scripting experience, • Distributed systems experience Why Join • Work on real-time, production trading systems, • High ownership in a small, technical team, • Remote-first across Europe, • Fast-moving environment with direct impact on performance and outcomes Summary A strong opportunity for a C++ engineer looking to work on complex, performance-critical systems in a trading environment, with high ownership and direct impact. Contact Ciara Clarke at Harrington Starr for a confidential discussion on this role.

Job Title: Cloud/Devops Engineer Location: UK Experience: 2–5 years Education: Bachelors in Science (IT/Computer Science/Engineer) Employment Type: Full-Time UK based candidates only. DevOps Core Skills and Requirements 1. Basic Linux Knowledge • Comfortable working in a Linux terminal (CLI) environment., • Able to perform basic file operations (create, copy, move, delete files/folders)., • Understand and manage file and directory permissions, ownership, and basic user management., • Use of common Linux utilities like grep, top, df, ps, and chmod. 2. Basic Networking Fundamentals • Understanding of IP addressing, subnetting, and what private/public IPs mean., • Knowledge of DNS (Domain Name System) and how name resolution works., • Familiarity with HTTP/HTTPS protocols, what ports are, and what firewalls do at a high level. 3. Scripting Basics • Ability to read and write basic shell scripts (Bash) to automate repetitive tasks., • Some hands-on experience or learning in Python for simple scripting or tool use. 4. Git Version Control • Comfortable using Git for source code management., • Understand how to clone repositories, commit changes, push and pull code, and create branches., • Familiar with GitHub 5. CI/CD Concepts • Basic understanding of what Continuous Integration (CI) and Continuous Deployment (CD) are., • Awareness of tools like Jenkins, GitHub Actions, or Azure DevOps, even if not deeply experienced., • Understand how code goes from development to production in an automated way. 6. Container Awareness • Have heard of Docker and understand the basic purpose of containers (e.g., "run applications in isolated environments")., • Understand the difference between containers and virtual machines at a high level., • Basic idea of what Docker images and containers are. 7. Cloud Computing Fundamentals • Awareness of cloud platforms like AWS and Azure, • Understand concepts like virtual machines, storage, and networking in the cloud., • Know why organizations use the cloud (scalability, flexibility, cost-efficiency). Nice to Have (Bonus Skills) These are not mandatory, but having some exposure will be a plus: • Infrastructure as Code (IaC): Basic idea of tools like Terraform – used to define cloud infrastructure using code., • Monitoring and Logging: Awareness of tools like Prometheus (for monitoring) and Grafana (for dashboards)., • Basic YAML knowledge: Since tools like Kubernetes and GitHub Actions use YAML, familiarity helps. Soft Skills • Willingness to learn new tools and concepts., • Good problem-solving attitude., • Ability to follow documentation and troubleshoot issues., • Comfortable working in a team and asking questions when stuck.

Ground Segment DevOps Engineer Contract, remote Outside IR35 The Core Challenge You will be the architect of our client's CI/CD toolchain and container-based environments. This isn't a standard cloud-ops role; you are building the Mission Support System (MSS)—the infrastructure that ensures space flight software and ground services are deployed seamlessly and monitored with zero margin for error. Key Responsibilities: • Infrastructure Orchestration: Manage and evolve our container-based stack (Docker, amongst other lesser-known tech - upskilling time available for the other stack) to support mission-critical Ground Segment services., • Pipeline Ownership: Expand our client's CI/CD workflows to automate the build, test, and deployment of live operational products., • Mission Support: Design and implement centralized logging, monitoring (Grafana), and system lifecycle orchestration for active missions - terraform also a nice to have., • Deployment Strategy: Define versioning and rollback protocols that ensure continuous availability during high-stakes orbital phases. Your Heritage • Container Expertise: Proven track record with Docker-based environments and registry management., • DevOps Mastery: Hands-on experience building robust pipelines (GitLab CI, GitHub Actions, or Jenkins)., • Linux Fundamentals: Deep understanding of Linux environments, shell scripting, and systems automation., • Mission Awareness (Bonus): Familiarity with satellite ground systems or SQL/NoSQL database administration is highly desirable. Please apply directly with your CV and up to date contact details in order for us to have a detailed discussion around the opportunity.

Are you ready to revolutionise healthcare IT with x-tention and take the digitisation of healthcare to a new level? With x-tention's ongoing development of the MACH Hybrid Integration Platform (___) now's the chance! Embrace the opportunity to be at the forefront with ___ (___). As one of the leading players in the eHealth market, x-tention is driving the digital transformation of healthcare. We support healthcare organisations on their journey into the digital future delivering tailored IT solutions that meet the complex demands of modern clinical environments. We are seeking a motivated and talented DevOps Engineer (Mid Level) to join the MACH team. This role offers an excellent opportunity to grow your skills and knowledge in cloud native infrastructure while working on exciting projects. COMPANY OVERVIEW x-tention Limited is the international arm of ___ (___) with over 800 employees operating across 16 locations and a global customer base. We support healthcare organisations on their journey into the digital future delivering tailored IT solutions that meet the complex demands of modern clinical environments. IN THIS POSITION YOU WILL: Assume technical responsibility for the provision and further development of Platform Services. This role combines responsibility for both internal and customer facing DevOps within the overall MACH team. Supporting the MACH Hybrid Integration platform (Medical Application Connection Hub) for our global clients. Key responsibilities include; • Technical responsibility for DevOps, • Involved in design, architecture, standardisation and automation of Kubernetes-based solutions, • Customer and internal development engagement The Mid-Level DevOps Engineer is a key member of the DevOps Team working in collaboration with our Development and Operations Teams to ensure that the MACH platform is delivered on time and to our customer satisfaction. SUCCESS CRITERIA People who are successful in this role: • Adapt to a dynamic environment with an ever-changing workload, • Maintain a high standard for the quality of their own work, • Are proficient in DevOps best practice and how to adapt as required to the environment, • Are customer service oriented and meet requirements to facilitate our internal knowledge base and exchange throughout the business units of x-tention Group, • Strive to improve their knowledge and expertise of MACH and OHSB or solutions in which they are involved, • Ask for support and direction when needed, • Work autonomously while effectively cooperating with a dynamic, agile team, • A passion to work in an amazing and intercultural team, • Demonstrates technical curiosity, and is fascinated by software technology and its challenges ESSENTIAL QUALIFICATIONS AND EXPERIENCE • Subject excellence in the respective field (DevOps or Platform Engineering) – 3–5 years, • Proficiency in Collaboration Tools (e.g., Webex, Slack, Microsoft Teams, • Working knowledge of modern observability solutions (Opensearch, Prometheus, Grafana, ELK stack), • Working knowledge of server administration (Windows, Linux), • Hands-on experience of container technologies and orchestration (Kubernetes), • Hands-on experience in CI/CD (Gitlab CI, Jenkins, ArgoCD), • Proficiency with Infrastructure as Code (IaC) tools (e.g. Terraform, AWS CloudFormation)., • Hands-on experience with cloud services (AWS, Azure, GCP), • Infrastructure and Code Security Awareness, • Solid understanding of networking fundamentals, • Working knowledge of agile working methods (e.g. SCRUM, Kanban), • Familiarity with version control systems (Git), including branching strategies and merge workflows, • Working knowledge of SQL/databases, • Solution orientated - Strong problem-solving skills and ownership mindset in dynamic, agile environments., • Taking ownership for work, being results orientated and demonstrating a hands-on mentality., • Communication Skills: Written and oral. Effective communicator, comfortable collaborating with technical and non-technical stakeholders DESIRABLE QUALIFICATIONS AND EXPERIENCE • Experience in healthcare IT, or familiarity with HL7, FHIR, or DICOM standards., • Exposure to identity and access management (e.g. Keycloak, OAuth2, SSO)., • Experience with secrets management (e.g. Vault, AWS Secrets Manager)., • Experience working with or building internal developer platforms (IDPs)., • Prior experience working with distributed/international teams., • Industry certifications in AWS, Kubernetes or Terraform, • Graduation in Computer Science or a related technical discipline. WORKING AT X-TENTION The key to our success is due to building the right teams and empowering them to do what they do best. Our reputation is important to us and we recognise that our ethos and culture will ensure we continue to succeed in the future. • We do not work in silos, nor is our hierarchy traditional. We believe openness leads to better collaboration and enables us to better support one other., • We value courage because it allows us to make difficult decisions. It pushes us to challenge the status quo, to strive to find a better way., • We encourage you to be curious. Curiosity leads to discovery. Being curious enables us to solve problems in new ways. It promotes open mindedness and values diverse perspectives. We offer*: • A professional, international work environment with fantastic colleagues, who also have fun at work. And the the opportunity to work in, or with, other countries and cultures. As well as a work environment where your voice will be heard and where your efforts make a difference., • Flexible working options, we always strive to accommodate your needs when we can.

Principal Security Engineer Location: Remote UK/Euro Reporting line: Chief Risk Officer About Auros Auros is a global digital asset liquidity provider operating 24/7 across centralised and decentralised markets. We run high-availability, low-latency systems where resilience and risk discipline matter. Security is treated as a core engineering and risk function, with direct engagement from senior leadership. The Role We're hiring a hands-on principal security engineer to implement and operate security controls across our infrastructure. This is a technical execution role where you'll be writing code, configuring systems, and shipping security improvements, not writing policies or managing people. You'll work closely with Infrastructure and Engineering teams to harden our cloud environments, secure our CI/CD pipelines, and protect both corporate and production systems. The scope is broad, the environment is fast-paced, and you'll be expected to own problems end-to-end. We believe security should enable the business, not obstruct it. You'll design controls that are effective but unobtrusive, security that works in the background without creating friction for engineers or traders. What You'll Do • Implement and maintain security controls across multi-cloud environments (primarily AWS, with some Azure, GCP and AliCloud) and on-prem infrastructure, • Own IAM strategy and implementation: design and enforce identity, access, and permissions models that are secure, scalable, and practical, • Design and operate key management and custody security controls such as HSMs, secrets management, and secure key handling for trading operations, • Harden CI/CD pipelines (GitLab) and secure the software delivery process, • Configure and operate corporate security tooling (endpoint protection, MDM/Jamf, DLP, identity management), • Respond to security incidents: triage, investigate, contain, remediate, • Conduct security assessments of infrastructure and applications, • Automate security operations: detection, alerting, and response, • Work with Infrastructure to embed security into cloud provisioning and system configuration What We're Looking For • 8+ years' hands-on experience in security engineering or security operations, • Strong, opinionated views on IAM (you've designed and implemented identity and access management across cloud environments and have a clear philosophy on how it should work), • Strong working knowledge of cloud security controls across multiple providers (AWS and Azure preferred), • Experience securing CI/CD platforms, GitLab preferred, • Familiarity with corporate IT security tooling (Jamf, endpoint protection, DLP, SSO/IdP), • Comfortable in Linux environments and scripting (Python, Bash, or similar), • Experience with infrastructure-as-code (Terraform, Pulumi etc.) is a plus, • Exposure to financial services, crypto, or other regulated environments is a plus but not required, • We value demonstrated skills and practical experience over certifications. What You Get • Direct ownership of security implementation, • A small, technical team where your work has immediate impact, • Exposure to low-latency trading infrastructure and the digital asset space

Staff Digital Verification Engineer - UK remote All applicants must have the right to work in the UK A growing semiconductor company developing advanced processing solutions for next-generation applications across embedded systems, IoT, and high-performance computing is looking to expand the team with a Staff Digital Verification Engineer. In this role, you will take full ownership of verification architecture across complex SoC and subsystem designs. As a Staff Digital Verification Engineer, you will be responsible for defining and driving verification architecture — not just working within an existing environment. This includes building scalable, reusable UVM-based verification frameworks from the ground up and setting the overall verification strategy. This Staff Digital Verification Engineer role is ideal for someone who has previously led the development of verification environments and can make key architectural decisions, rather than purely contributing at an implementation level. Key Experience • Strong UVM expertise, with proven ownership of verification architecture design for complex SoC or subsystem projects, • Experience building verification environments from scratch, including defining structure, reuse, and methodology, • Ability to design layered / hierarchical testbench architectures, not just integrate into existing ones, • Strong debugging and root-cause analysis skills across RTL and simulation, • Experience with coverage-driven verification, including defining coverage models and driving closure, • Comfortable working in Linux environments, with scripting in bash and/or Python Nice to Have • Embedded C experience, particularly for processor or core-level verification, • Exposure to formal verification tools (e.g. JasperGold, Email - Tel - 01189073075 LinkedIn -

We are currently recruiting for a C++ Software Engineer to join their busy client who is rapidly expanding on a remote home working basis. Your main role will be to develop software / applications for this market leading software provider. The main purpose of this role is to: • Develop software applications using C++ as the main language, • Write high performance code in modern C++ version 17 onwards, • Complete unit testing to ensure the software performs as per the design, • Use JIRA to report on faults The ideal candidate will have the following skills, experience and attributes: • 4+ years software engineering experience., • Coding experience in C++, • Strong technical background, • Linux based environments, • Software Development / Software Engineering and unit testing, • Attention to detail and problem solving skills, • Working in a Agile based environment highly desirable, • Object Orientated Principles and Design patterns, • Experience with other object orientated programming languages would also be highly desirable., • Any experience with Java and Shell Scripting would also be highly desirable, • Ideally First Class BSc degree in a related field. In return the client is offering a competitive salary of £50,000 - £60,000 plus: • Bonus, • Fantastic training if required, • Generous annual leave, • Pension, • Flexible working, • Many more benefits If this role is of interest please apply today for immediate consideration

Looking to build ultra-high-performance systems used by millions, while working fully remote in one of the most exciting spaces in tech? Software Engineer (C++) – Leading Crypto Trading Platform 🚀🪙 Salary: up to £160k + bonus + RSUs Location: Fully Remote in UK & Ireland We’re partnered with a globally recognised crypto exchange that has been at the forefront of the industry since its early days. As they continue scaling their trading infrastructure, they’re looking for Software Engineers to join their Trading Technology team. This is a unique opportunity to work on the core of a world-class trading platform, developing systems that demand extreme performance, reliability, and scalability in a low-latency, high-throughput environment. What you’ll be working on: • Designing and building components of a high-performance trading engine, • Developing low-latency, highly available backend services, • Scaling systems to handle large volumes of real-time transactions, • Enhancing performance across critical infrastructure (CPU, memory, network), • Collaborating with distributed teams across a modern, multi-language stack Tech environment: • C++ (core language), • Linux systems, • Exposure to Go, Rust, Python, • Distributed systems & concurrent programming, • Low latency / high throughput architectures We’re looking for engineers with: • Strong experience in C++ development, • Background in high-performance, concurrent or distributed systems, • Experience working in Linux environments, • Interest in trading systems, financial markets, or crypto (beneficial), • A proactive mindset with the ability to work in a fast-paced, remote-first team Why this opportunity stands out: • Fully remote, globally distributed engineering team, • Competitive bonus + RSU package, • Work on mission-critical systems at scale, • Be part of a company driving forward the adoption of digital assets, • Learn from and collaborate with some of the best engineers in the space If you’re excited by complex engineering challenges and want to build technology at the heart of global financial systems, this could be the move for you. Apply now ⚡

About Plessey We’re building the hardware foundation for next-era computing. Plessey is a world-leading technology company driving the next generation of photonic devices and systems. With over 70 years of innovation, we combine research, materials science, process engineering, and manufacturing under one roof. We’re recognised as a global authority in microLED displays, optical computing, and optical interconnects. Join us to work on breakthrough technologies shaping the future of light-based technology and computing. Lead We don’t follow industry trends; we create them, pushing boundaries and setting standards others aspire to. Every team member has the power to make decisions, drive change, and deliver excellence. We support each other, challenge one another for the best solutions, and lead by example. Together, we build industries and technologies that shape the future and scale toward our vision of the next era of computing. Grow We expand our capabilities every day — deepening our expertise, improving how we work, and pushing the boundaries of what’s possible. Curiosity fuels us: we question assumptions, explore new ideas, and innovate with light-based technologies. By investing in and empowering our people, we strengthen Plessey’s impact and help shape the future of optical technology. Trust We operate like a family—honest, reliable, and supportive. We have each other’s backs, own our actions, and uphold the highest standards of integrity and safety. We trust each other to deliver, our customers to challenge us, and our expertise to guide the way. Together, trust enables the collaboration essential for breakthrough innovation and lasting impact. Location Located at our head office and state-of-the-art fabrication facility in Plymouth. About the Role We are seeking a senior Embedded Software Engineer to join the Product Development team and contribute to embedded firmware development and hardware–software integration. This is a hands-on role, working closely with the Principal Engineer and Senior Hardware Engineer to translate system architecture into reliable embedded implementations across prototypes, demos, and product platforms. Key Responsibilities • Design, implement, and maintain embedded firmware in C/C++., • Develop and maintain low-level drivers and application firmware., • Support bootloader development and firmware update functionality., • Implement firmware robustness, error handling, and recovery paths., • Support firmware bring-up on new hardware., • Debug hardware/firmware issues involving power, clocks, interfaces, and timing., • Work with schematics, PCBs, and lab equipment during development and debugging., • Support validation and test readiness of embedded systems., • Translate architectural intent into working embedded implementations., • Take ownership of defined subsystems with appropriate guidance., • Contribute to technical documentation and knowledge transfer., • Support integration with test environments and higher-level software systems. Skills, Knowledge and Expertise • Background in Electronic Engineering or similar discipline., • Experience in embedded software development (C/C++)., • Experience with microcontrollers (e.g. STM32 or similar)., • Experience with bare-metal and/or RTOS-based systems., • Comfortable reading schematics and understanding hardware design., • Experience with board bring-up and low-level debugging., • Experience using SWD/JTAG, logic analysers, and oscilloscopes., • Understanding of common interfaces (USB, SPI, I²C/I3C, UART). Advantage • USB device development experience., • Familiarity with embedded Linux or Zephyr., • Experience supporting prototype, demo, or pre-production systems.

Note: no agencies/consultancies, must be in the UK with right to work We're building the digital infrastructure that makes clean energy work in the real world. Seventy million machines run on diesel. The alternatives exist. But the operations are complex, the supply chains are still emerging, and for most companies the transition feels risky. That's the problem we're solving. Logiq Systems builds the operational intelligence layer that makes clean energy work in the real world. One platform for fuel suppliers, rental companies, and asset operators to deploy, monitor, and optimise hydrogen, battery, solar, and alternative fuel systems — at the scale and reliability that industries actually need. We're live across construction, events, and industrial sectors with customers including Toyota, Balfour Beatty, Acciona, Sunbelt Rentals, and Protium. The technology works. Now we're scaling the team that scales the business. If you want to work on infrastructure that matters, in a company early enough that what you do shapes the industry, we'd like to hear from you. UNITED KINGDOM, REMOTE / FULL-TIME Role Summary: We are looking for a Senior Software Engineer (full-stack) to develop the Logiq platform. Working closely with our Head of Product, you will be responsible for building software that forms the core of our main business, as well as defining the long-term technical direction of Logiq Systems. Who we are today: Logiq Systems was founded in 2020 and is currently a team of five. Aran Bates and Ben Lindley are the founders, two friends turned colleagues. We are both dads of kids less than 5 years old (two each). Having both worked on this for two years self-funded (although now venture backed) we are driving a huge market shift in off-grid energy. While it is one that won't change with the speed of the AI bubble - this is infrastructure and hardware, not some Al wrapper over ChatGPT - it delivers sticky and lasting change with our customers and the industries we touch. As a team our passion and mission is improving the world around us, making it better for people and the planet. Our purpose pushes us to be the force of change in this industry. Not just in environmental sustainability by making the world less polluted from carbon, noise and poor air quality, but also in creating a supportive company flexible to the realities of modern life. A company with a diverse, equal, and respectful workforce. What does that really mean though? Well we recognise that talent can exist anywhere in the UK and that people have life commitments that can overlap with traditional 'core hours'. We are remote-first: As a team we are spread across the UK from Edinburgh to London, this means we can work with the best people out there. We also recognise the importance of building a sense of team, meeting regularly (at least once a quarter) and put a lot of emphasis into team building in the 'virtual' work environment also - e.g. daily team video calls, non- work Slack channels such as one specifically for sharing the music we are listening to. Although for this role there is a preference to have a candidate within around an hour of travel to Edinburgh or Oxford to work with the founders or the Head of product in person more regularly. Flexible working: To manage the interface of life and work we operate a flexible working policy, at the start of every week we have a whole team standup and in that we clearly communicate as a team what commitments people have that might cut into the working day or lead to a hard stop at the end of the day, so that as a team we can ensure that life and work fit together. Supporting women and primary carers in tech: Both Ben and Aran fully recognise the importance of building a supportive working environment for women and parents so they can continue a career, while remaining supportive and attentive to both kids and work. This has been heavily influenced through their experience as fathers and with partners who continue to have successful careers, while sharing parenting loads. The team we are building: The team we want to build is one where we are: • Passionate about making a difference. We are pushing change through a traditional market there meaning there are naysayers, so it is very important we have strong belief in the change we are driving., • Flexible and comfortable with ambiguity. We must be flexible as the market is early and developing. You will be shaping a new offering in the clean energy industry right from the start!, • Extremely self-motivated with a strong work ethic. We are a small team and need people to own their work. We also work hard because we love what we do!, • Fun! We need to enjoy what we do, while still being proud about the quality of our work., • Humble, authentic, and honest. We give credit where credit is due. We can respect, support and celebrate others for the value they bring., • Comfortable being challenged. We believe in creating an environment where we feel comfortable and safe enough for ideas to be challenged in a constructive manner., • Curious. Curiosity drives improvement and innovation. Always ask why. The Role: As a Senior Software Engineer, you will be responsible for the long-term technical direction of the Logiq platform and products, which provide real-time operational intelligence for connected clean energy assets. You will be designing and developing new products, features and improvements to the Logiq platform, delivering value to our growing customer base and the key capabilities required to evolve our growing business. As a senior member of the team, you will also have direct input into the product direction, working closely with the Head of Product to shape how Logiq develops as we scale. You will also be the champion of software engineering best practices across Logiq Systems. A few of your responsibilities: • Design and develop full-stack features using React, Python, PostgreSQL and serverless technologies (AWS Lambda, Fargate)., • Design and implement RESTful APIs and event-driven systems., • Maintain, extend and improve optimisation, alerting and forecasting models., • Implement and maintain CI/CD pipelines., • Ensure high-quality code through peer reviews, automated testing, documentation and adherence to software development standards., • Take ownership of the technical architecture and engineering processes., • Collaborate closely with a small startup team. To thrive in this role: We expect you to: • Be comfortable with variety and shifting priorities. Early-stage companies require adaptability, and you'll be working across very different types of tasks., • Take ownership of outcomes, not just tasks. You'll be given problems to solve, not always detailed instructions on how to solve them. We'll provide context and support, but you should be confident running with work and coming back with solutions or thoughtful questions., • Balance quality with speed. Early-stage work requires knowing when "good enough" is better than "perfect but late"., • Ask questions and challenge ideas respectfully. We value curiosity and constructive input across the team. We value people who bring their perspective and aren't afraid to ask "why?" or "what if we tried...?". Equally they are comfortable with their ideas also being respectfully questioned. We put the problem being tackled in the middle. What you'll need to do this job: • Full-stack: Proven experience in full-stack software development. We are using Python (REST & GraphQL) for the backend, React for the frontend., • Cloud architecture design: Proven experience in scalable cloud architecture design., • API design: Solid understanding API design (REST & GraphQL)., • SQL/NoSQL databases: Experience working with SQL (Postgres) and / or NoSQL databases., • AWS: Familiarity with the AWS Serverless stack and event driven architectures., • Customer Mindset: We value engineers who have a strong product and customer-centric mindset., • Communication: Excellent communication and collaboration skills to explain ideas clearly., • Collaborative and low-ego approach: You contribute positively to team culture and work well with others., • Agile: Comfortable with very lean/agile processes. We want you to be involved in all phases of the development lifecycle and bring your unique talents to the process., • DevOps: Experience with DevOps including setting up and managing CI/CD pipelines and terraform deployment., • AI enabled: Comfortable with leveraging AI to better assist developer workflows and rapid prototyping, • Testing: A strong testing mindset. If you think you meet most of the criteria, please get in touch! Experience we'd love to see: • Experience in developing high-scalability systems, • Experience with IoT data collection and processing pipelines. We are using a combination of Node-RED, MQTT, Telegraf, Linux, Python, InfluxDB and TimescaleDB., • Experience with integration of 3rd-party systems, • Experience with statistical modelling, ML optimisation & forecasting, • Strong data analytics skills, • Experience in early-stage start-ups, consulting, or high-growth environments where you've navigated ambiguity and taken initiative, • Experience working on (renewable) energy products or telemetry producing systems Location: • United Kingdom, Remote full-time, • We are remote first. We meet regularly (around once a quarter at least)., • We can’t currently support visas so you must have the right to work in the UK., • Preference for 1hr travel proximity to Edinburgh or Oxford to meet semi-regularly to work with founders or Head of Product. Remuneration: • £55,000 to £70,000/year salary depending on experience, • Share options in Logiq Systems

Iron Mountain is seeking a skilled and experienced Senior Systems Engineer to join our Global Digital Solutions (GDS) Service Operations team. In this role, you will be responsible for the technical support and maintenance of critical document imaging and storage platforms, including Kofax Capture, Globalscape, and CTERA. You will act as a key technical lead in a high-volume, enterprise environment, ensuring that customer commitments and service level agreements (SLAs) are met through robust problem-solving and cross-functional collaboration. What You’ll Do (Responsibilities) In this role, you will: • Responsibility 1: System Support & Maintenance – Own, troubleshoot, and resolve complex technical issues related to Kofax software and proprietary web applications to ensure constant solution availability and high performance., • Responsibility 2: Stakeholder Collaboration – Partner with GDS Implementation, Engineering, and Infrastructure teams to deliver customer-centric solutions and drive improvements in service operations., • Responsibility 3: Compliance & Security – Ensure strict adherence to information security standards and organizational policies, particularly regarding the handling of sensitive customer data., • Responsibility 4: Process Optimization – Develop and improve standard processes and controls to monitor productivity and quality based on industry best practices., • Responsibility 5: Operational Readiness – Perform daily maintenance, monitor performance parameters, and provide out-of-hours support on a rotation basis to maintain 24/7 reliability. What You’ll Bring (Skills & Qualifications) The ideal candidate will have: • SC Requirements: Must be a UK resident (minimum 5 years) eligible to obtain an SC security check., • Experience: Strong experience in Application Support or Systems Engineering within large-scale enterprise environments., • Technical Expertise: Extensive knowledge of Windows Server (2016/2022), SQL Databases (MSSQL/PostgreSQL), Linux (CentOS), IIS, and Active Directory., • Specialized Skills: Proven ability to deploy and troubleshoot Kofax Batch classes and custom modules; experience with SFTP and storage systems, as CTERA is highly preferred., • Innovation: Highly desirable experience using AI tools (generative AI or automation platforms) to streamline processes and enhance decision-making., • Education/Certification: A Bachelor’s degree (B.A. or B.S.) or 5+ years of equivalent industry experience; Microsoft Certified Professional or ITIL v3/v4 certifications are a plus. What We Offer (Benefits) • Shifts: Standard shift pattern is 11:30 - 20:00., • Location:UK - Home-based worker., • Compensation: Competitive compensation and benefits aligned with senior-level experience., • Work-Life Balance: Flexible work options and a generous number of paid time off/holidays., • Wellness: Comprehensive health, wellness, and retirement plans., • Growth: Opportunities for continuous learning and professional development within a global IT organization. Important Note: Due to the nature of the systems supported, all applicants must be UK residents (minimum 5 years) and able to pass an SC security clearance investigation. If you are a proactive technical professional ready to drive innovation in digital solutions and secure enterprise operations, we want to hear from you.

Linux & Red Hat Enterprise Linux (RHEL). An initial 6 month engagement, primarily BAU support of a Linux environment. User, group, permissions, and SELinux management.

We're currently recruiting for a hands-on Project Engineer to lead the deployment and support of a vision-based real-time location system (RTLS), designed to enhance safety and productivity throughout the logistics industry, across customer sites in the UK. This role sits at the intersection of engineering, customer delivery, and technical support. You will work directly with customers to install, configure, and optimise cutting-edge camera-based systems, ensuring successful deployments and long-term performance. You will also act as a key technical contact for existing customers, helping to troubleshoot issues, deliver enhancements, and ensure a smooth user experience. The position offers broad exposure to advanced technologies including computer vision, AI-driven tracking systems, and industrial safety applications. You will work closely with internal engineering, product, and commercial teams, contributing directly to product improvement through real-world customer feedback. This is a highly varied, hands-on role with significant customer interaction, regular travel across the UK, and strong opportunities for professional development as the product and team continue to scale. Key Responsibilities • Lead the installation, configuration, and commissioning of RTLS solutions at customer locations., • Provide first-line technical support to existing customers, ensuring timely issue resolution., • Deliver remote monitoring and configuration, with regular on-site visits as required., • Support technical sales activities, including customer consultations and solution design., • Conduct product demonstrations at customer sites, events, and trade shows., • Collaborate with the sales team to prepare presentations, documentation, and proposals., • Work closely with customers, external partners, and internal teams to ensure successful project delivery., • Develop and maintain deep technical expertise in our camera-based, AI-powered RTLS platform., • Gather and communicate customer feedback to contribute to continuous product improvement. Skills & Qualifications • 2+ years of experience in a technical or engineering role., • Degree in Engineering or a related field., • Interest in technologies such as electronics, RF systems, computer vision, and safety applications., • Strong problem-solving and analytical skills., • Ability to work systematically, accurately, and independently., • Hands-on, flexible, and able to adapt in dynamic environments., • Proven ability to prioritize and manage multiple tasks/issues simultaneously., • Excellent communication skills, both verbal and written., • Fluent in English., • Valid driver’s license and willingness to travel regularly., • Experience with Linux and Python is a plus. The Offer: • Permanent employment contract, • Competitive yearly salary + benefits

Senior Network Engineer Glasgow, UK - Hybrid £75,000 - 95,000 - Depending on experience & qualifications We are proud to be supporting a fast-growing technology company at the forefront of satellite and cloud infrastructure in their search for a Senior Network Engineer. Because this engagement is sensitive, we'll share the client's name with candidates at the shortlisting stage. THE OPPORTUNITY Our client is building a next-generation network connecting satellites, ground stations, and cloud infrastructure. Operating across dynamic, intermittent links, their platform is designed to deliver data reliably into cloud-based workloads, a technically complex challenge requiring deep networking expertise. This role sits at the heart of their edge infrastructure, the servers and network devices deployed on-site at antenna locations to receive, demodulate, and transport satellite data to the cloud. It is a hands-on, high-ownership position spanning routing, overlay networking, edge systems, and cloud connectivity. KEY RESPONSIBILITIES Network Design & Architecture • Design L3 network topology across satellite, ground, and cloud environments, • Define IP addressing schemes, segmentation, and routing domains, • Model connectivity patterns and failure scenarios Routing & Connectivity • Implement and operate dynamic routing protocols, • Design route advertisement, filtering, and failover strategies, • Handle intermittent and flapping connectivity gracefully Overlay & Secure Networking • Build secure multi-hop paths with strong encryption and isolation, • Implement secure tunnel configurations (WireGuard / IPsec), • Define and enforce SSH access policies, firewall rules, and least-privilege communication Automation & Infrastructure • Develop automation pipelines using Terraform and Ansible, • Support scalable rollout and configuration management across distributed sites Operational Integration • Align networking behaviour with satellite scheduling and operational windows, • Design safe state transitions and failover scenarios, • Improve observability, monitoring, and alerting across the stack WHAT WE'RE LOOKING FOR Our client is seeking a Senior Network Engineer with strong technical fundamentals and a genuine passion for solving complex infrastructure challenges. You'll be comfortable working across architecture, implementation, and troubleshooting, and you take strong ownership of everything you touch. Essential Experience • Advanced-level experience with IP networking and routing, • Hands-on BGP experience covering design, operation, and troubleshooting; familiarity with distance-vector protocols, • Solid Linux networking skills, including VLANs, MTU, TCP/IP, and complex NAT, • Proven experience designing and operating VPNs and tunnelling technologies in distributed environments (WireGuard, StrongSwan, GRE + IPsec), • AWS networking expertise: VPC, TGW, Cloud WAN, VPN, and edge or hybrid networking, • Strong grasp of overlay vs underlay networking principles, • Extensive infrastructure automation experience with Terraform, Ansible, or equivalent, • Scripting or coding ability in Python, • Proven ability to debug complex, distributed systems Desirable • Exposure to satellite, telecom, or RF systems, • Experience with hardware operations, rack installation, or cable management, • Broader cloud platform experience beyond AWS WHY THIS ROLE STANDS OUT • Work on genuinely novel infrastructure at the intersection of space, ground, and cloud, • High ownership from day one, you'll design and ship, not just maintain, • Join a technically exceptional team building something with real-world impact, • Shape architecture at an early stage of a complex, mission-critical system, • An opportunity that sits at the cutting edge of clean technology infrastructure APPLY VIA CLEANTECH TALENT This role is being managed exclusively by Cleantech Talent on behalf of our client. If you have the background and ambition to take on this challenge, we would love to hear from you. Please apply directly through LinkedIn or reach out to the Cleantech Talent team with your CV and a brief note on your interest and relevant experience. All applications are handled in strict confidence.

Remote C++ Software Engineer (Permanent) – Build High-Performance Systems Ready to level up your C++ career? Join a team developing cutting-edge warehouse control systems with real-world impact. This is a hands-on engineering role where your code powers high-throughput, real-time environments. What you’ll do • Design, develop, and test robust software using modern C++, • Work on Linux-based applications (not firmware), • Apply SOLID principles and best engineering practices, • Collaborate with experienced teams and contribute to scalable system design, • Support testing, deployment, and early-life client delivery What you bring • Strong C++ fundamentals (modern standards, threading, STL, etc.), • Experience in Linux/Unix environments + scripting, • Solid software engineering mindset (not QA/config-heavy), • Clear communication and real-world team experience, • Passion for coding and solving complex problems Bonus points • Background in gaming or high-performance systems, • Experience with real-time or high-throughput applications Best fit This role suits engineers with hands-on C++ experience who can demonstrate depth, not just theory. Remote | Permanent role If you’re driven, technically sharp, and ready to build systems that matter — this is your move.

About the job Job summary Discover a career in your hands at HMRC. Whether you're seeking purpose, growth, or a workplace that gives you a true sense of belonging, hear from some of our employees as they share their story about what it's really like to work at HMRC. Visit our YouTube channel to watch the full series and come and discover your potential. HMRC is transforming the UK's tax system through cutting-edge digital innovation and the Chief Digital and Information Officer (CDIO) Group is at the heart of that mission. We are building high-quality digital services that will enhance the customer experience, enable real-time interactions, and make tax simpler and more intuitive for everyone. By equipping our colleagues with modern tools and technologies, we are also reshaping how we work - allowing HMRC to focus its resources where they can deliver the greatest impact. The role sits within the Chief Engineering Platform Office (CEPO) delivery area, as part of Contact Engagement Platforms (CEP), specifically the Batch Operations team. Job description Within Batch Operations we schedule, run, support Batch services across Tivoli Workload Scheduler (TWS) and Modern Virtual Environment (MVE) platforms for over 100 national infrastructure services. Working as part of an established team, you will be responsible for carrying out operational testing activities as part of HMRC'S development service providing projects/services with key information required to make informed decisions regarding solutions, its individual components and suitability for acceptance into the live production environment. In this role you will contribute to the Clone activities by executing tests, analysing results, logging and supporting test incidents using a variety of scheduling tools such as Tivoli Workload scheduler (TWS), managing access to virtual environments for use by third party suppliers. Person specification We are looking for someone with a broad IT experience including practical understandings of MS365, SharePoint, ITSM tooling and practices. Have security awareness and experience of escalation management. The Applications Operations Engineer (Clone Tester) reports into the Batch Operational lead. Within the Role you will • Perform database restores, the installation of Code releases, reporting of defects, updating and maintaining both Project and Team documentation., • Execution of Batch suites at the request of Support teams in both Tivoli Workload scheduler (TWS) or Modern Virtual Environment (MVE), • Working closely with Capgemini's Maestro support team, Configuration Management and also the wider Batch Operations Event Management team., • Keep project progress documentation up to date, • Complete an Operational Test Plan with accurate activities and schedule, • Maintain the System Reference Files with details for future projects, • Complete an Operational Test Report with accurate results and timings, • Attend Project/Implementation Meetings when required, • Test Incident (Defect) logging, investigation and support., • Collection of testing-related measurements and metrics., • Experience in UNIX and MVE operating systems., • SQL - Database queries Knowledge of large batch systems and how they are supported from an operational perspective., • Working knowledge of key support applications such as TWS, Unix & Linux., • General IT skills capability but in-depth knowledge in areas of technical specialisation. (The latter can be learnt within the role.), • Problem solving and analytical skills., • Continual Service Improvement., • Excellent Communication Skills with internal and external partners., • Pension - We make contributions to our colleagues' Alpha pension equal to at least 28.97% of their salary., • Family friendly policies., • Personal support., • A name-blind CV including your job history and previous experience. Please limit the CV to a maximum of your last 5 jobs, please use no more than 100 words to cover your key responsibilities in each job. For each job any words over the limit will not be scored., • A 500-word Personal Statement. Your Personal Statement should be used to describe how your skills and experience would be suitable for the advertised role, making reference to the essential criteria and person specification outlined in the advert. Please make sure that you include examples to demonstrate how you meet the criteria being asked for when you write your Personal Statement

🚀 We’re Hiring: Data & DevOps Engineer (Biotech) Help shape the future of immune therapies. A fast-growing biotech company is on a mission to tackle immune dysfunction — a root cause of many cancers, autoimmune conditions, and infectious diseases. By developing first-in-class antigen modulation technologies, the team is pioneering a new approach to controlling how the immune system recognises and targets cells. As the company enters its next phase of growth, we’re looking for a Data & DevOps Engineer to join the IT function and play a key role in building scalable, secure, and reproducible data systems that support cutting-edge science. 🔍 The Role This position sits at the intersection of IT, data, and scientific teams (including Bioinformatics). You’ll lead on designing and delivering modern data infrastructure and DevOps practices that enable high-quality, reproducible research and analytics. 🛠 What You’ll Be Doing • Design and maintain secure, scalable cloud infrastructure (AWS), • Build and optimise CI/CD pipelines for scientific workflows (e.g. Nextflow), • Implement containerisation (Docker) for reproducibility and traceability, • Develop infrastructure-as-code (e.g. CloudFormation), • Architect data pipelines and platforms for structured and unstructured data, • Integrate analytics tools (e.g. Power BI, Spotfire, Microsoft Fabric), • Enhance data governance, lineage, and auditability, • Collaborate closely with scientists and bioinformaticians, • Produce clear technical documentation, • Manage external vendors supporting cloud infrastructure, • Continuously improve systems and processes ✅ What We’re Looking For • Experience in DevOps, Platform Engineering, or similar within biotech, pharma, or life sciences, • Strong expertise in AWS, Docker, and CloudFormation, • Hands-on experience with Linux systems and CI/CD pipelines, • Experience designing data pipelines and ETL processes, • Understanding of data modelling and master data management, • Ability to collaborate effectively with scientific stakeholders ⭐ Nice to Have • Experience in regulated or research-driven environments (data governance, reproducibility), • Exposure to Microsoft Fabric, Azure data services, or modern BI tools, • Experience with AI services (e.g. Amazon Bedrock), • DevOps/security certifications, • API integration experience 🌱 Why Join? • Be part of a company driving a fundamental shift in disease treatment, • Work at the cutting edge of science, data, and engineering, • Collaborate with world-class researchers and technologists

Senior AI Infrastructure Engineer (OpenStack & Kubernetes) Location: Remote (UK or EU Preferred) Sector: High-Performance GPU Cloud Computing The Opportunity I am representing a fast-growing, international scale-up that is building next-generation GPU cloud infrastructure. This company is the powerhouse behind a high-performance platform designed specifically for the most demanding AI, Machine Learning, and HPC workloads. As they scale their global footprint to meet massive demand, they are seeking a Senior Infrastructure Engineer who enjoys deep technical autonomy. This is a role for a specialist who wants to move fast, solve complex problems, and have direct ownership over the stability and scalability of business-critical systems. What You’ll Be Doing • Owning Infrastructure: Designing, deploying, and operating OpenStack and Kubernetes clusters optimized for multi-tenant GPU workloads., • Driving Automation: Building and maintaining infrastructure-as-code and GitOps practices to ensure seamless scalability., • Optimizing Performance: Enabling reliable workload scheduling through Kubernetes-native tooling, container runtime optimization, and NVIDIA integrations., • Ensuring Resilience: Maintaining high availability and observability through proactive monitoring, logging, and incident response., • Strengthening Security: Implementing strong controls, including RBAC and network policies, to ensure tenant isolation., • Cross-Team Collaboration: Working closely with DevOps, AI, and Product teams to align infrastructure capabilities with customer needs. The Ideal Profile • OpenStack Expert: Significant hands-on experience operating OpenStack in a production environment., • K8s Specialist: Strong experience running production-grade Kubernetes, ideally in bare-metal or private cloud setups., • Systems Generalist: A solid grounding in Linux, networking, and storage with a practical approach to troubleshooting., • Modern Workflows: Experience with infrastructure automation, CI/CD, and Git-based workflows., • Scale-up Mindset: The ability to thrive in a fast-moving environment with a strong sense of accountability. Nice to Have • Exposure to GPU-based infrastructure, large-scale compute platforms, or HPC., • Familiarity with advanced networking technologies., • Contributions to open-source or cloud-native communities. What’s on Offer? • Impact: The opportunity to make a visible, meaningful impact on a platform used by teams running compute-heavy applications., • Flexibility: Flexible working arrangements, including remote or hybrid options., • Growth: Clear career progression and the chance to help shape the company's culture and future., • Culture: A collaborative, transparent, and international culture built on trust., • Benefits: Competitive salary, annual discretionary bonus, 25 days holiday (plus public holidays), and wellbeing benefits.

Engineers will be responsible for deploying and maintaining large-scale Linux systems, while prior HPC experience is advantageous but not mandatory. A global technology company in the United Kingdom is seeking a Hybrid Hardware & Software Support Engineer to support advanced HPC infrastructures. Thi

Jet2holidays is seeking an IT Infrastructure Engineer to join their Infrastructure Team in Leeds. This role involves designing and implementing secure, scalable infrastructure solutions using AWS and on-prem platforms. You'll have strong experience with Windows Server, Linux servers, and Kubernetes.

Platform Engineer - CloudFormation or Terraform Leeds (Hybrid) Permanent £70,000- £75,000 + Benefits Platform Engineer needed with active SC Security Clearance and good experience Infrastructure as Code (IaC) tools such as CloudFormation or Terraform. for a permanent position in Leeds (Hybrid). Start ideally in May 2026. A chance to work with a leading global IT transformation business specialising in delivering large-scale Government digital modernisation projects. Hybrid Working – 2 days/week remote (WFH), and 3 days/week working on-site from the Leeds office. Key skills, experience + duties to include: Experience as a Senior Platform Engineer including a solid understanding of software engineering principles and their application. Good understanding of cloud services (AWS) and containerisation technologies (e.g., Docker, Kubernetes). Experience in Infrastructure as Code (IaC) tools such as CloudFormation or Terraform. Experience of Scripting and pipeline automation, ei.e. Jenkins and GitHub Actions. Hands on CloudFormation scripting, troubleshooting and debugging. Experience of working closely with development and infrastructure teams to quickly understand requirements and implement solutions. Using Automation to improve development processes and optimise software delivery. Work closely with both engineers and product teams and including Designers, Product Managers and Analysts. Working knowledge of Chef, scripting and troubleshooting and with Python scripting and troubleshooting Experience with Jenkins pipelines (multibranch), deployments, groovy scripting Experience with Linux commands and knowledge of troubleshooting web services Experience with AWS services – EC2, NLB, API Gateway, ASG, etc. Active SC Security Clearance used last 12 months. Government, GDS, (url removed) domain experience is strongly preferred. Benefits: Salary 70k-75k (DOE) + Hybrid + Bonus + Pension + 22 days holiday + BHs (rising to 25 days) + Death in Service + Health Care Plan + More

Embedded Software Engineer - IoT Location: Leeds City Centre (Hybrid) Salary: £40,000 - £60,000 DOE KO2 specialises in the embedded and electronics design sector. If this role isn't right for you but you know someone who may be interested, please let us know - we offer a referral bonus for successful introductions. KO2 is working with an innovative IoT company based in Leeds City Centre that is continuing to grow its engineering team. They are looking for an experienced Embedded Software Engineer to play a key role in the development of next-generation connected products used in real-world applications. This is a great opportunity to join a technically strong team, working on full product lifecycles in a fast-moving and collaborative environment. The Role As an Embedded Engineer, you'll be responsible for designing, developing, and maintaining embedded software for IoT devices. You'll work closely with hardware, systems, and product teams to deliver robust and scalable solutions. Key Responsibilities Develop and maintain embedded software in C/C++ Work with RTOS-based systems Implement and support wireless communication protocols Contribute across the full development lifecycle, from concept to production Debug, test, and optimise embedded systems for performance and reliabilityEssential Skills & Experience 4+ years' commercial experience in embedded software development Strong experience with Embedded C/C++ Solid understanding of RTOS Experience working with wireless communications (e.g. BLE, Wi-Fi, Sub-GHz, etc.) Comfortable working on resource-constrained devicesDesirable Experience Embedded Linux Zigbee or other mesh networking protocols IoT product development experienceWhat's on Offer Competitive salary depending on experience Hybrid working (Leeds City Centre office) Opportunity to work on cutting-edge IoT products Collaborative engineering culture with real technical ownershipIf you're an Embedded Engineer looking for a new challenge in the IoT space and want to work on meaningful, connected technology, this could be a great fit

Senior Embedded Linux Software Engineer | Hybrid | Cambridge | £65-75k DOE. Are you a software engineer with experience developing embedded Linux software, with a focus on embedded security?. Strong focus on Linux-based systems, including Yocto build systems, and Linux kernel.

This is an opportunity to join a technically advanced engineering environment delivering bespoke solutions across satellite communications, enterprise networking, remote connectivity and mission-critical infrastructure. Collaborate closely with engineering, product and network teams within Agile/SCR

Junior Linux Middleware Delivery Analyst. This role is ideal for someone early in their career who wants to build hands‑on experience with Linux, middleware, and modern IT operations in a supportive environment. Support Linux-based middleware and application services.

No prior UAV experience is required for this Embedded Software Engineer role, though a genuine interest in the space will be a strong advantage We are recruiting two Embedded Linux Software Engineers to work across a range of low-level and system-level UAV software projects for our client. I special

Exposure to IBM Z is highly beneficial, but strong Linux engineers with the right background will also be considered. Provide hands‑on support and engineering across enterprise Linux (RHEL) environments. Experience with z/Linux (s390x) or Linux on IBM Z.

Provide engineering and senior‑level support for all UNIX platforms, including Red Hat Enterprise Linux 8/9, Rocky, Solaris 11, and Oracle Linux. The Senior Linux/Unix Engineer. Red Hat Enterprise Linux and Solaris systems on‑premises and cloud environments.

Tackle complex network and Linux-related challenges. Bachelors degree in Computer Science, Software Engineering, or a related technical discipline (or equivalent experience). Strong knowledge of modern Linux systems and systems programming concepts (e.

As part of our engineering team, you’ll shape the platforms and tools that drive high-impact research - designing systems that scale, accelerate discovery and support innovation across the firm. As part of our transformation, we are looking for a highly skilled engineer to join our expanding Resea

They are looking for a Linux System Administrator who holds or is eligible for a high level of UK Government Clearance and who has a genuine interest in the sector. Tech wise, on top of the basic Linux System Administrator skillset they are looking for at least some of the following:.

You will enjoy a lot of variety, solving challenges across systems engineering, networking and operations. A passion for Linux, and a DevOps mindset, will see you implement new approaches to automation, adopt IaC principles and raise the bar on performance through hardware and OS tuning. You should

A leading firm in communications and data in Cambridge is seeking an Embedded Linux Software Engineer with strong Linux experience and skills in C. You will design and implement software solutions, integrate Linux software with hardware, and collaborate with teams to analyze technical issues.

Franklin Bates is looking for a Software Developer to drive the development of a Linux-based network security appliance with a strong focus on security software for regulated industries. The ideal candidate will have a BSc in Computer Science or Systems Engineering, experience with Rust and a willin

Flexera is seeking a Technical Support Engineer to provide exceptional technical support remotely for customers and partners. Required qualifications include a Bachelor's degree in a technical field and experience with Windows and Linux systems.

Cisco Systems is looking for a Tetragon Security Engineer in Greater London. The position offers opportunities to work with both Cisco and Isovalent engineers on enhancing security capabilities.

Key responsibilities include managing production Linux systems, optimizing container platforms, and collaborating with engineering teams. A global software publisher is seeking a hands-on Linux Systems & Datacenter Administrator for its Slough operations team. Candidates should have extensive experi

A leading Japanese IT firm is seeking a Senior Infrastructure Engineer for their London office. The ideal candidate will possess strong skills in Linux and Windows server management, network troubleshooting, and documentation.

A leading technology house in the United Kingdom is seeking a Linux Technical Consultant.

Integration Engineer – FIX, Linux, SQL, Front Office.

A technology firm is looking for a Senior Infrastructure Engineer (Apple & Linux) to lead the operational delivery and management of IT services within a large-scale digital environment. The ideal candidate will bring over 5 years of experience in IT service delivery, expertise in Apple and Linux in

Contract C++ Linux Software Engineer. Contract C++ Linux Software Engineer. Contract Software Engineer essential skills.

Candidates should have over 10 years of experience supporting Linux systems and working in cloud environments, with strong skills in Terraform, Bash, and Python. A technology solutions firm is looking for a Senior System Engineer to join their London office.

The Linux Engineer lead is a hands‑on technical role responsible for the engineering, stability, and operational readiness of enterprise Linux platforms underpinning containerised workloads, with a strong focus on OpenShift. The role will lead by technical expertise, following established engineer