526 to 550 of 3,444 Security Cleared Jobs in England

Vauxhall) & client sites. NB: Please only apply if you are eligible (have resided in the UK for the past 5 years) and prepared to go through UK SC Security Clearance This company is a Workflow & AI Orchestration Specialist. They're on a mission to modernise how public sector organisations manage casework, derive insight from data and deliver citizen … to explain complex AI concepts to non-technical audiences Experience working in, or consulting for, UK public-sector organisations Must be eligible and prepared to go through SC Security Clearance Desirable Knowledge of agent architectures (e.g., ReAct, AutoGen, CrewAI, BabyAGI, or similar frameworks) Experience designing reasoning loops, memory systems, and tool-using AI agents Understanding of ethical AI … and public-sector AI standards Familiarity with BPMN/DMN, process orchestration, or workflow automation platforms Experience contributing to AI research, publications, or open-source projects Holds UK security clearance (SC, DV, eDV) What They Offer A company option scheme gives their employees a stake in the organisation they’re building meaningful missions. Tackle high-impact public-sector More ❯

C DV Salary: 50,000 - 85,000 DoE Location: Cheltenham - expect to attend site five days a week Clearance: Must hold current UK C DV The company: Cyber Security and National Security SME. The company is large enough to offer stability, expert support and career progression while enabling you to work with a large degree of More ❯

C DV Salary: £50,000 - £85,000 DoE Location: Cheltenham - expect to attend site five days a week Clearance: Must hold current UK*C DV The company: Cyber Security and National Security SME. The company is large enough to offer stability, expert support and career progression while enabling you to work with a large degree of More ❯

contract starting in November. Key responsibilities: Building and managing secure AWS cloud environments (EC2, S3, Lambda, ECS/EKS, VPCs, IAM, and more). Designing and implementing cloud security controls and monitoring (CloudTrail, GuardDuty, Config, CloudWatch). Managing encryption keys and integrating AWS security logs with SIEM tools like Splunk. Automating infrastructure using Terraform or CloudFormation. … scripts for custom automation. Supporting live environments with monitoring, troubleshooting, performance tuning, and cost optimisation. Key Requirements: Hands-on AWS experience across core services. Strong understanding of cloud security standards (CIS, NIST, ISO27001). DevOps knowledge: Git, CI/CD pipelines, and testing workflows. Excellent communication skills and the ability to work independently. If this sounds like you More ❯

Python Software Engineer – Security & AI Projects Gloucester – Hybrid (2–3 days on-site) Up to £70,000 + Excellent Benefits **Must be a British Citizen** Join one of the UK’s leading technology and defence engineering consultancies — a team trusted by government and security clients to deliver advanced data, software, and AI-driven solutions that protect … next year, with opportunities for experienced Python Engineers to work on projects that genuinely make a difference. What you’ll be doing Building secure, high-performance software underpinning security and defence operations Developing complex data pipelines, APIs, and AI tooling in modern Python environments Working in agile, multi-disciplinary teams alongside experts in software, data, and machine learning … quick turnaround Industry-leading training and dedicated career progression pathways If you want to use your Python skills to solve real-world problems at the intersection of technology, security, and AI, this is a rare chance to do it on a large scale. More ❯

Python Software Engineer – Security & AI Projects Gloucester – Hybrid (2–3 days on-site) Up to £70,000 + Excellent Benefits **Must be a British Citizen** Join one of the UK’s leading technology and defence engineering consultancies — a team trusted by government and security clients to deliver advanced data, software, and AI-driven solutions that protect … next year, with opportunities for experienced Python Engineers to work on projects that genuinely make a difference. What you’ll be doing Building secure, high-performance software underpinning security and defence operations Developing complex data pipelines, APIs, and AI tooling in modern Python environments Working in agile, multi-disciplinary teams alongside experts in software, data, and machine learning … quick turnaround Industry-leading training and dedicated career progression pathways If you want to use your Python skills to solve real-world problems at the intersection of technology, security, and AI, this is a rare chance to do it on a large scale. More ❯

Penetration Tester | £40K–£60K + Bonus + Hybrid/remote We’re hiring a Penetration Tester to join one of the UK’s most respected, CREST-accredited cyber security consultancies. You’ll work across public and private sector projects, helping clients identify vulnerabilities, strengthen defences, and build resilience against real-world attacks. This role offers autonomy, variety, and … engagements. Deliver clear, actionable reports and guide clients through remediation. Contribute to scoping calls, proposals, and client presentations. Mentor junior testers and help shape the consultancy’s internal security capability. What You’ll Bring 2–5 years’ experience in ethical hacking or penetration testing. Strong understanding of OWASP, web, and infrastructure testing. Experience with Burp Suite, Nmap, Nessus … Qualys, Metasploit, Kali Linux. Familiarity with cloud security (AWS, Azure, or GCP). Confident communicator with client-facing experience. Bonus points for: Public sector testing experience. Code review skills (Python, Java, JavaScript). CHECK accreditation (CTM/CTL). Active or eligible SC clearance (five years’ UK residency). More ❯

Full Stack Software Engineer (Java/AWS focus) Location: Manchester (Hybrid/Flexible) Salary: Up to £70,000 Eligibility: Must be eligible for UK Security Clearance (SC) We’re looking for a Full Stack Software Engineer to join a dynamic, agile environment delivering complex and high-impact software solutions. You’ll help design and build bespoke systems that … solutions Work with a wide range of technologies, particularly open-source tools and frameworks Build and maintain CI/CD pipelines using GitLab to ensure software quality and security Deploy solutions to public and private cloud environments ( AWS , Azure ) Collaborate with cross-functional teams in an Agile environment (Depending on experience) Lead technical teams and engage directly with More ❯

Full Stack Software Engineer (Java/AWS focus) Location: Cheltenham (Remote/Flexible) Salary: Up to £70,000 depending on experience Eligibility: Must be eligible for UK Security Clearance (SC) We’re looking for a Full Stack Software Engineer to join a dynamic, agile environment delivering complex and high-impact software solutions. You’ll help design and build … solutions Work with a wide range of technologies, particularly open-source tools and frameworks Build and maintain CI/CD pipelines using GitLab to ensure software quality and security Deploy solutions to public and private cloud environments ( AWS , Azure ) Collaborate with cross-functional teams in an Agile environment (Depending on experience) Lead technical teams and engage directly with More ❯

Full Stack Software Engineer (Java/AWS focus) Location: Bristol (Hybrid/Flexible) Salary: Up to £70,000 Eligibility: Must be eligible for UK Security Clearance (SC) We’re looking for a Full Stack Software Engineer to join a dynamic, agile environment delivering complex and high-impact software solutions. You’ll help design and build bespoke systems that … solutions Work with a wide range of technologies, particularly open-source tools and frameworks Build and maintain CI/CD pipelines using GitLab to ensure software quality and security Deploy solutions to public and private cloud environments ( AWS , Azure ) Collaborate with cross-functional teams in an Agile environment (Depending on experience) Lead technical teams and engage directly with More ❯

Full Stack Software Engineer (Java/AWS focus) Location: Bristol (Hybrid/Flexible) Salary: Up to £70,000 Eligibility: Must be eligible for UK Security Clearance (SC) We’re looking for a Full Stack Software Engineer to join a dynamic, agile environment delivering complex and high-impact software solutions. You’ll help design and build bespoke systems that … solutions Work with a wide range of technologies, particularly open-source tools and frameworks Build and maintain CI/CD pipelines using GitLab to ensure software quality and security Deploy solutions to public and private cloud environments ( AWS , Azure ) Collaborate with cross-functional teams in an Agile environment (Depending on experience) Lead technical teams and engage directly with More ❯

Full Stack Software Engineer (Java/AWS focus) Location: Manchester (Hybrid/Flexible) Salary: Up to £70,000 Eligibility: Must be eligible for UK Security Clearance (SC) We’re looking for a Full Stack Software Engineer to join a dynamic, agile environment delivering complex and high-impact software solutions. You’ll help design and build bespoke systems that … solutions Work with a wide range of technologies, particularly open-source tools and frameworks Build and maintain CI/CD pipelines using GitLab to ensure software quality and security Deploy solutions to public and private cloud environments ( AWS , Azure ) Collaborate with cross-functional teams in an Agile environment (Depending on experience) Lead technical teams and engage directly with More ❯

Full Stack Software Engineer (Java/AWS focus) Location: Manchester (Hybrid/Flexible) Salary: Up to £70,000 Eligibility: Must be eligible for UK Security Clearance (SC) We’re looking for a Full Stack Software Engineer to join a dynamic, agile environment delivering complex and high-impact software solutions. You’ll help design and build bespoke systems that … solutions Work with a wide range of technologies, particularly open-source tools and frameworks Build and maintain CI/CD pipelines using GitLab to ensure software quality and security Deploy solutions to public and private cloud environments ( AWS , Azure ) Collaborate with cross-functional teams in an Agile environment (Depending on experience) Lead technical teams and engage directly with More ❯

Full Stack Software Engineer (Java/AWS focus) Location: Bristol (Hybrid/Flexible) Salary: Up to £70,000 Eligibility: Must be eligible for UK Security Clearance (SC) We’re looking for a Full Stack Software Engineer to join a dynamic, agile environment delivering complex and high-impact software solutions. You’ll help design and build bespoke systems that … solutions Work with a wide range of technologies, particularly open-source tools and frameworks Build and maintain CI/CD pipelines using GitLab to ensure software quality and security Deploy solutions to public and private cloud environments ( AWS , Azure ) Collaborate with cross-functional teams in an Agile environment (Depending on experience) Lead technical teams and engage directly with More ❯

backgrounds and identities to apply. We are committed to maintaining an inclusive, and supportive place for you to do your very best work. Duties & Responsibilities A UK Government Security Check (SC) clearance is required for this role. If you dont hold SC clearance, we will support you to apply assuming you have lived and worked in the UK … looking to hire a Solution Architect to support our product delivery. The successful candidate will need to have a good blend of HLD and LLD design experience around Security, Data, Cloud, Service and Solution. You will be seeing designs through from start to finish incorporating everything from technology to solution, assurance, governance, and security (pen testing … on AWS, Azure, GCP or hybrid environments Has the ability to work in and has strong knowledge of agile development and modern CD/CI approaches Understands how security design is integrated into the solution design Will need extensive experience in: Delivery - designing, delivering platforms and managed services at enterprise scale, specifically bespoke software solutions, particularly in streaming More ❯

AWS Solution Architect Location: London (Hybrid) Salary: Up to £95,000 + bonus Eligibility: Must be eligible for UK Security Clearance (SC) We’re seeking an experienced AWS Solution Architect to join a forward-thinking cloud engineering team working on high-impact digital transformation projects. This role is ideal for someone with a strong DevOps, infrastructure, or platform … cloud architectures in AWS Lead end-to-end cloud migration projects and modernisation initiatives Develop and maintain infrastructure standards, patterns, and best practices Optimise cloud cost, performance, and security for business-critical workloads Collaborate with developers, data engineers, and ML teams to deploy production-grade systems Provide technical leadership and guidance on AWS solutions and cloud-native design … Expertise with AWS services such as EC2, S3, RDS, Lambda, VPC, IAM, and CloudFormation or Terraform Strong experience with DevOps tools (Git, Jenkins, Docker, Kubernetes) Knowledge of cloud security and compliance frameworks (CIS, SOC 2, etc.) Proven track record of leading cloud migration or transformation projects Experience working in hybrid or multi-cloud environments is beneficial If you More ❯

AWS Solution Architect Location: London (Hybrid) Salary: Up to £95,000 + bonus Eligibility: Must be eligible for UK Security Clearance (SC) We’re seeking an experienced AWS Solution Architect to join a forward-thinking cloud engineering team working on high-impact digital transformation projects. This role is ideal for someone with a strong DevOps, infrastructure, or platform … cloud architectures in AWS Lead end-to-end cloud migration projects and modernisation initiatives Develop and maintain infrastructure standards, patterns, and best practices Optimise cloud cost, performance, and security for business-critical workloads Collaborate with developers, data engineers, and ML teams to deploy production-grade systems Provide technical leadership and guidance on AWS solutions and cloud-native design … Expertise with AWS services such as EC2, S3, RDS, Lambda, VPC, IAM, and CloudFormation or Terraform Strong experience with DevOps tools (Git, Jenkins, Docker, Kubernetes) Knowledge of cloud security and compliance frameworks (CIS, SOC 2, etc.) Proven track record of leading cloud migration or transformation projects Experience working in hybrid or multi-cloud environments is beneficial If you More ❯

React.js , TypeScript , or Angular.js Familiarity with CI/CD pipelines and DevOps tooling Bonus points for experience with: AI/ML technologies Kubernetes or container orchestration Serverless architecture Security-first development in regulated environments What's In It for You Flexible Work Week - Choose your hours with TOIL options Remote-First Culture - Work from anywhere in the UK … Inclusive Culture - Join a diverse team that values innovation, collaboration, and continuous improvement Competitive Package - Up to £80K DOE + comprehensive benefits including pension, private healthcare, and more Security Clearance Requirement Due to the nature of the work, SC Clearance eligibility is essential . You must be a British Citizen and have lived in the UK continuously for More ❯

AWS Solution Architect Location: London (Hybrid) Salary: Up to £95,000 + bonus Eligibility: Must be eligible for UK Security Clearance (SC) We’re seeking an experienced AWS Solution Architect to join a forward-thinking cloud engineering team working on high-impact digital transformation projects. This role is ideal for someone with a strong DevOps, infrastructure, or platform … cloud architectures in AWS Lead end-to-end cloud migration projects and modernisation initiatives Develop and maintain infrastructure standards, patterns, and best practices Optimise cloud cost, performance, and security for business-critical workloads Collaborate with developers, data engineers, and ML teams to deploy production-grade systems Provide technical leadership and guidance on AWS solutions and cloud-native design … Expertise with AWS services such as EC2, S3, RDS, Lambda, VPC, IAM, and CloudFormation or Terraform Strong experience with DevOps tools (Git, Jenkins, Docker, Kubernetes) Knowledge of cloud security and compliance frameworks (CIS, SOC 2, etc.) Proven track record of leading cloud migration or transformation projects Experience working in hybrid or multi-cloud environments is beneficial If you More ❯

AWS Solution Architect Location: London (Hybrid) Salary: Up to £95,000 + bonus Eligibility: Must be eligible for UK Security Clearance (SC) We’re seeking an experienced AWS Solution Architect to join a forward-thinking cloud engineering team working on high-impact digital transformation projects. This role is ideal for someone with a strong DevOps, infrastructure, or platform … cloud architectures in AWS Lead end-to-end cloud migration projects and modernisation initiatives Develop and maintain infrastructure standards, patterns, and best practices Optimise cloud cost, performance, and security for business-critical workloads Collaborate with developers, data engineers, and ML teams to deploy production-grade systems Provide technical leadership and guidance on AWS solutions and cloud-native design … Expertise with AWS services such as EC2, S3, RDS, Lambda, VPC, IAM, and CloudFormation or Terraform Strong experience with DevOps tools (Git, Jenkins, Docker, Kubernetes) Knowledge of cloud security and compliance frameworks (CIS, SOC 2, etc.) Proven track record of leading cloud migration or transformation projects Experience working in hybrid or multi-cloud environments is beneficial If you More ❯

AWS Solution Architect Location: London (Hybrid) Salary: Up to £95,000 + bonus Eligibility: Must be eligible for UK Security Clearance (SC) We’re seeking an experienced AWS Solution Architect to join a forward-thinking cloud engineering team working on high-impact digital transformation projects. This role is ideal for someone with a strong DevOps, infrastructure, or platform … cloud architectures in AWS Lead end-to-end cloud migration projects and modernisation initiatives Develop and maintain infrastructure standards, patterns, and best practices Optimise cloud cost, performance, and security for business-critical workloads Collaborate with developers, data engineers, and ML teams to deploy production-grade systems Provide technical leadership and guidance on AWS solutions and cloud-native design … Expertise with AWS services such as EC2, S3, RDS, Lambda, VPC, IAM, and CloudFormation or Terraform Strong experience with DevOps tools (Git, Jenkins, Docker, Kubernetes) Knowledge of cloud security and compliance frameworks (CIS, SOC 2, etc.) Proven track record of leading cloud migration or transformation projects Experience working in hybrid or multi-cloud environments is beneficial If you More ❯

performing software hosted on AWS, collaborating with stakeholders and other developers across the business. Due to the sensitive nature of the role, candidates should ideally hold an active Security Clearance (SC) or be eligible and willing to go through the SC vetting process, which requires a minimum of 5 years' UK residency. Ideal Candidate: 3+ years of proven … experience with AWS services (Lambda, ECS/EKS, S3, RDS, DynamoDB, etc.) Familiar with infrastructure-as-code (Terraform or CloudFormation - desirable) Background in secure development or working to security standards Experience delivering in Agile teams Excellent communication and problem-solving skills Previous exposure to government or defence projects - desirable Our client is a remote-first business, with this More ❯

thinking consultancy supporting high-profile UK Government projects ABOUT THE CLIENT Our client is a specialist software consultancy delivering cutting-edge solutions that empower UK Government and National Security organisations. Their teams tackle complex operational challenges through innovative software design, modern development practices, and close client collaboration. Due to continued growth and new project wins, they are seeking More ❯

thinking consultancy supporting high-profile UK Government projects ABOUT THE CLIENT Our client is a specialist software consultancy delivering cutting-edge solutions that empower UK Government and National Security organisations. Their teams tackle complex operational challenges through innovative software design, modern development practices, and close client collaboration. Due to continued growth and new project wins, they are seeking More ❯

developer who loves building practical solutions on embedded hardware? Want to work closely with end-users and see the real-world impact of your code? Join our National Security & Defence team, where youll design and deliver mission-critical software using platforms like ESP32, Raspberry Pi, and ARM-based microcontrollers (e.g., Zero, Pico). You'll work with Python … and attention to detail. Ability to adapt quickly to new hardware, tools, and use cases. Familiarity with unit testing, debugging tools, and Git-based workflows. Desirable: Experience with security-focused projects (e.g., Government, MoD). Exposure to cryptography and secure audio/data transport. Knowledge of Bluetooth, Ultra-Wideband, or other wireless protocols. Familiarity with USB device drivers … Science, Electrical Engineering, or related field preferred. Professional membership of BCS or IET is a plus. Why Leidos? Were a global technology company tackling the UKs toughest national security challenges. Our Capability Development team is known for delivering bespoke, high-performance solutions in complex environments. We value people who are curious, self-directed, and eager to get their More ❯