1 to 25 of 65 Security Cleared Jobs in Gloucester

Job Description: The Leonardo Cyber Security Division is looking to recruit a Principal DevSecOp Engineer to join its UK based engineering team working within a highly secure environment; with responsibility for providing a bridge between software development, testing, infrastructure, operations and system administrators to facilitate efficient, continuous and high-quality software and environment delivery. The processes and tooling … implemented by the Principal DevSecOps Engineer will enable source code and associated artefacts to be installed and configured on scalable infrastructure across environments which comply to strict security regulations. The Principal DevSecOps Engineer will typically combine the skills of software coding and/or scripting, process reengineering and infrastructure provisioning with exemplary leadership, team working and communication skills. … round technical ability with an excellent working knowledge of platform capability area for Cloud/Hybrid and on-premise network and systems infrastructure technologies. An awareness of cyber security capabilities is advantageous. You will need to have strong experience in owning and overseeing the building, implementing and maintaining of systems with complex architectures on client site; with on More ❯

Senior Infrastructure Engineer (DV Security Clearance) Position Description The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery processes … in taking your career wherever you want it to go. Due to the secure nature of the project - All applicants must hold or be prepared to undergo National Security Vetting (NSV) Security Check (DV) level. Due to the secure access of systems, this position will require onsite attendance in Gloucester. Your future duties and responsibilities Step … this ambitious endeavour. Key Tasks: • Seamlessly integrating development outputs into release modules. • Spearheading their progression through relevant stages into operational service • Navigating the release-to-service process, including security and accreditation procedures • Providing invaluable technical insights and expertise on designs, solutions, tools, techniques, and standards • Hands-on development of pragmatic solutions for real-world challenges • Troubleshooting, investigating, and More ❯

keep the UK safe? Join BAE Systems as an experienced Software Engineer. As a key member of a Software Engineering team, you’ll be working with our National Security Customers to build systems that support their core mission capabilities. You’ll work as part of empowered, autonomous DevOps teams with regular contact with end-users to flexibly and … team be directly making a huge impact upon the systems you work on, you’ll be doing it for an organisation who makes a huge impact to the security of the UK. About you You will have experience in many of the following: Programming in one or more of JavaScript, Java, .Net, Python Collaboratively designing and building Proof … TensorFlow Deploying and managing in Cloud Computing such as AWS, MS Azure Containerisation e.g. Docker, Kubernetes Relational, document, or graph database systems Software configuration and deployment e.g. Ansible Security Clearance Due to the nature of our work, successful candidates for this role will be required to hold an active eDV before applying for this opportunity. How we will More ❯

Software Engineer - SC or DV Cleared | Defence Sector Hybrid - 4 Days/Week Onsite in Gloucestershire Permanent | £55,000 - £75,000 DOE | I'm working with a highly regarded technology consultancy delivering advanced software solutions into the UK defence and national security sectors . As they continue to grow their footprint in this space, they're looking … Diagnostic tooling and support Requirements: Essential: Strong experience with at least one of the following: JavaScript (Node.js) , Python , or another OO language Active SC or DV clearance If SC-cleared, you must be eligible and willing to undergo DV clearance Strong understanding of software development lifecycles Collaborative team player with excellent communication skills Comfortable working in highly regulated, secure … The Offer: £55,000 - £75,000 Hybrid working : 4 days per week onsite Secure, mission-driven defence and national security projects DV clearance sponsorship available for SC-cleared applicants Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy. To understand more about what we do with your data please review our More ❯

Software Developer (DV Security Clearance) Position Description CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the 'World's Best Employers' by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI partner not … have all the skills we need, we would consider high quality individuals who meet most of the criteria. Our roles are only available if you hold a UK Security Clearance and are a sole UK National due to the secure nature of the project. You will either hold a higher level clearance or be willing to obtain it. … Any individual without security clearance is welcome to apply and will always be considered for this or wider opportunities in CGI, where appropriate. Your future duties and responsibilities We are looking for a Software Engineer to join our team for a cloud based big data project. This role will focus on the design development and delivery of a More ❯

and others Onsite WORKING Location: United Kingdom (South West) Type: Permanent Full Stack Software Engineer Salary : Up to £70,000 Location : Gloucester (4 day work week) Clearance Requirement : SC Cleared and willing to undergo Enhanced Developed Vetting (DV+) Industry : Defence About the Company Our client is a leading global security and aerospace organisation supporting some of the … secure software solutions for sensitive UK Government programmes. The Opportunity Our client is seeking ambitious Full Stack Software Engineers to contribute to high-impact projects across the national security and central intelligence landscape. You'll be part of a collaborative team building modern, secure software systems that directly support the UK's national interest. Whether you're early … and contributing to a high-performance team culture Documenting code, architecture, and decision-making to support maintainability and quality Key Skills & Experience Essential: British-born sole UK national SC Cleared and willing to undergo Enhanced DV+ clearance Proficient in Java , with exposure to Python Strong experience developing on Linux Version control using Git Agile development (SCRUM) Working with both More ❯

Hamiltonian Dynamics is a start-up based in Gloucestershire and Manchester working in the National and Cyber Security industries. We are seeking an experienced Software Engineer with team lead experience to join our growing technology team in our next phase of expansion. Our ideal candidate would be someone who has experience in one or more of the following … the nature of the role, you must be a UK Citizen and have lived in the UK for the last 5 years. This role requires you to be SC cleared or could become SC cleared. The ideal candidate will undergo higher level clearance vetting in the future which may require you to be on the customer site full time. More ❯

in Agile methodologies and test-driven development Relevant certifications (e.g., ISTQB, Certified Agile Tester) are a bonus Candidates must be eligible and willing to go through high level security clearance checks O.K. I'm in what's next? Apply with your latest CV below More ❯

leading defence and cybersecurity organisation is seeking Java Developers at all levels to join their growing team, working across a range of cutting-edge projects in the national security, cyber defence, and intelligence sectors. You’ll play a key role in developing advanced DevSecOps solutions that protect critical digital infrastructure, while benefiting from a strong culture of flexibility … or serverless architectures Knowledge of migrating on-premise applications to cloud environments Location and Work Style Gloucester 4-day flex working pattern to support excellent work-life balance. Security Clearance Please note that applicants must be eligible for eDV clearance to be considered. If you're passionate about software innovation, cloud-native architectures, and making a real impact … in national security, this is an outstanding opportunity to grow your career. More ❯

Gloucester location - must be willing to be full-time on-site Must hold Active Enhanced DV Clearance £95,000 - £110,000 DoE plus benefits One of our SME clients is looking for a like-minded, technically strong professional who is More ❯

Join a leading team delivering cutting-edge software solutions across Defence, Cyber, and Intelligence domains. Due to continued success and growth my client is in the market for talented Software Engineers from mid to senior level to support mission-critical More ❯

Automation Tester (DV Security Clearance) Position Description CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the 'World's Best Employers' by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI partner not … have all the skills we need, we would consider high quality individuals who meet most of the criteria. Our roles are only available if you hold a UK Security Clearance and are a sole UK National due to the secure nature of the project. You will either hold a higher level clearance or be willing to obtain it. … Any individual without security clearance is welcome to apply and will always be considered for this or wider opportunities in CGI, where appropriate. The position is suitable for some office or home-based work but due to the secure access of systems, this position will require onsite attendance in Gloucester. Your future duties and responsibilities As an Automation More ❯

collaboratively with global technology companies, cutting edge SMEs and academia to deliver the optimal solution for each client. Our roles are only available if you hold a UK Security Clearance and either hold a higher level clearance or be willing to obtain it. Any individual without security clearance is welcome to apply and will always be More ❯

to deliver the optimal solution for each client. Due to the secure nature of the programme/role, you will need to hold the highest level of UK Security Clearance. You will work in an office location close to Gloucester. Any individual without security clearance is welcome to apply and will always be considered for this More ❯

Cyber Vulnerability Engineer – eDV cleared Package - £55,000 - £95,000 (depending in experience level) Benefits – DV Bonus plus excellent benefits Relocation assistance for UK based candidates to Manchester, Cheltenham or London. Join a trusted leader in National Security technology solutions. Are you passionate about using cutting-edge cyber technology to protect the UK? Do you enjoy solving … technical cyber problems and identifying vulnerabilities? As part of our client's expanding National Security division, you'll contribute to high-impact missions across AI/Data Science, Cybersecurity, Cloud, DevOps, and Platform Engineering. We're seeking inquisitive individuals who excel at dissecting technical systems, not just to understand how they work, but to identify weaknesses, assess risks … and develop mitigation strategies. What You'll Be Doing Researching, designing, and building resilient systems to support National Security objectives. Conducting vulnerability assessments and threat modelling on software and hardware components. Reverse engineering a wide range of technologies to uncover vulnerabilities and improve security. Writing secure, high-performance code that integrates deeply with operating systems and platforms. Developing More ❯

Software Engineers Location: Cheltenham Salary - £40,000 - £90,000 + excellent benefits + bonus Clearance - Active eDV security clearance required This isn't just another software engineering role—it's an opportunity to be part of something bigger. As a Software Engineer , you'll design, develop, and maintain critical infrastructure that powers essential services. You'll tackle complex … Node, Python or Rust Understanding of Cloud-based architectures (AWS, GCP or Azure) Business skills and commercial awareness A willingness to further your own knowledge, skills and technology. Security Clearance: You must hold eDV UK government clearance. Ready to take on a role where your work truly matters? Apply now and be part of a team driving cutting More ❯

Rocky Linux preferred) and leverage virtualisation platforms like Hyper-V and Kubernetes to optimise infrastructure. Documentation & Compliance: Develop and maintain detailed documentation for IT systems, ensuring compliance with security policies and standards. Cross-Functional Collaboration: Work closely with architects and engineers to resolve hardware, connectivity, and infrastructure issues. Requirements Technical Expertise: Strong hands-on experience with Azure, Azure … Administrator Associate, Network+) are highly desirable. Clearance: Eligibility and the willingness for DV is essential This role will require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be More ❯

IT Operations - Responsible for managing the on-going BAU support of the platform in operation environments. Including change and incident management, service requests and proactive monitoring and maintenance Security - Ensure security is considered early in the development lifecycle and constantly maintained. DevOps engineers must understand how to secure the infrastructure that they deploy Application Development & Delivery … scrum team and contribute to sprint ceremonies SRE - Should understand SRE principles and apply these to constantly improve the reliability and minimise the support burden within the team Security Clearance Due to the nature of our work, successful candidates for this role will be required to hold an active eDV before applying for this opportunity. How we will … your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles More ❯

GG10 - GG12 Our world class team of Software Engineers and Reverse Engineers tackle some of the most interesting problems with a meaningful and tangible impact on the national security of the UK. We are growing our Cyber Developer team significantly and are looking for a diverse range of talent from experienced Software Engineers with a proven track record … of our projects bring new and interesting challenges. What you'll be doing Understand various development methodologies, and how they fit in with different delivery approaches. Factor operational security requirements into system design, development and testing. Conduct, support and encourage constructive code reviews for peers. Adopt a pragmatic approach to changing customer requirements and priorities, reporting on the … Development techniques such as unit testing, mocking, continuous integration, and test-driven development. Understanding of how the specific customer domain affects the software under development. Awareness of IT security as a major issue for companies and governments. Skills: Intermediate/advanced understanding of how computers work (eg stack/heap distinction, compiled/interpreted languages). Proficient with More ❯

Hamiltonian Dynamics is a start-up based in Gloucestershire, Manchester and London working in the Defence and Cyber Security industries. We are seeking an experienced Software Test Engineer to join our growing technology team in our next phase of expansion. Requirements We are seeking someone who has experience in one or more of the following technologies but who … role, you must be a UK Citizen and have lived in the UK for the last 10 years. This role requires you to already hold a high-level security clearance. Customer sites are based in Gloucestershire and Manchester and you must be willing to travel to one of these sites. The salary banding for this role is More ❯

Location: Gloucester (Full-time on-site) Salary: Competitive DOE + 6% Bonus, 25 Days Holiday, Clearance Bonus Security Clearance: Active Enhanced DV Clearance Required Key Skills: Team Leadership, Customer Engagement, Data Science, DevOps, Cloud, Data Platforms Who We Are? We are a leading technology company specialising in mission-centric solutions, designing and delivering cutting-edge software at scale … for both customer infrastructure and public cloud environments. With a strong heritage of innovation and expertise in Data Science, Machine Learning, Agile Software Development, Security Assurance, and Cryptographic Technologies, we help organisations overcome complex data challenges and drive digital transformation. What Will You Be Doing? As a Data Science Lead, you will be at the forefront of technically More ❯

enable you to grow within the company and industry. Due to the nature of the work you will be involved in, you will be required to obtain UK security clearance in this role. You will be involved in some of the following: Planning, conducting, and coordinating software development activities Design and development of tests to debug software Correction More ❯

GG10 - GG12 Our world class team of Vulnerability Researchers and Reverse Engineers tackle some of the most interesting problems with a meaningful and tangible impact on the national security of the UK. We are growing our VR team significantly and are looking for a diverse range of talent from experienced Vulnerability Researchers with a proven track record to … from gender diversity to mental health and wellbeing Applicants will need to be eligible to work in the UK and be able to successfully achieve an eDV UK security clearance. For more details, please click here Why BAE Systems? This is a place where you’ll be able to make a real difference. You’ll be part of … your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles More ❯

Junior Cyber Security Analyst - £350 per day - Inside IR35 - Hybrid working with 2 days a week near Gloucester - contract until year end with potential for extension. My client, one of the UKs biggest producers or zero carbon electricity, is looking for a motivated and detail-oriented Junior Cyber Security Analyst to support their information security and compliance functions. This role is ideal for someone starting their cyber security career who wants hands-on experience across a variety of security frameworks, data analysis, and stakeholder engagement. You’ll work closely with internal teams and external partners to maintain security standards, support audit readiness, and help protect sensitive data. … Key responsibilities - Provide administrative and operational support to the cyber security team Monitor and manage the team’s shared mailbox and respond to day-to-day queries Engage with external stakeholders to support assessments and meet deadlines Analyse data to track team performance, support KPIs, and inform decision-making Handle sensitive and confidential data in accordance with internal More ❯

New Permanent Opportunity available with a leading National Security Organisation for an eDV cleared Data Engineer in Gloucester Gloucester location – hybrid working when possible Must hold active Enhanced DV Clearance (West) Competitive Salary DOE - 6% bonus, 25 days holiday, clearance bonus Experience in Data Pipelines, ETL processing, Data Integration, Apache, SQL/NoSQL Who Are We? Our … client is a trusted and growing supplier to the National Security sector, delivering mission-critical solutions that help keep the nation safe, secure, and prosperous. You’ll work with cutting-edge technologies including AI/Data Science, Cyber, Cloud, DevOps/SRE, and Platform Engineering. They have long-term contracts secured across the latest customer framework and are …/DATA STRATEGY/DATA PIPELINES/DATA GOVERNANCE/SQL/NOSQL/APACHE/NIFI/KAFKA/ETL/GLOUCESTER/DV/SECURITY CLEARED/DV CLEARANCE More ❯