1 to 25 of 55 Security Cleared Jobs in West Sussex

Information Assurance Technical Security Specialist

Location
Crawley, England, United Kingdom
## Information Assurance Technical Security SpecialistApplyremote type: Hybridlocations: Crawley: Reading: Bristol: Glasgow: Doncastertime type: Full timeposted on: Posted Todaytime left to apply: End Date: September 11, 2026 (29 days left to apply)job requisition id: R0297528Location: Crawley, United KingdomThales is a global technology leader with more than … employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers ...

2027 Cloud Assurance and Cyber Security- - Level 4 Cyber Security Engineer Apprenticeship Apprentice

Hiring Organisation
Thales
Location
Crawley, Sussex, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology … customers, as well as delivering social value to the UK with our products and services. 2027 Cloud Assurance and Cyber Security Apprentice - Level 4 Cyber Security Engineer Apprenticeship Start Date: Monday 6 September 2027 Salary: £24,000 per annum Location: Crawley Employee Type: Permanent Working Schedule ...

DevOps Engineer

Location
Horsham, England, United Kingdom
consulting teams operate at the heart of some of the UK’s most critical programmes, partnering with Central Government, Defence, and National Security organisations. We act as trusted advisors, shaping strategy, defining architectures, and leading transformation initiatives that enable our clients to harness data, from geospatial intelligence through … technologies such as AWS, Azure, Kubernetes, OpenShift, EKS, ECS and Infrastructure as Code (IaC), helping teams accelerate delivery while maintaining high standards of security, resilience and operational excellence. Working within multidisciplinary Agile teams, your work will include building secure CI/CD pipelines, automating infrastructure, implementing observability ...

Software Developer (all levels) - Distributed Simulation Technology (UK)

Location
Gatwick, England, United Kingdom
Computer Science (or equivalent practical experience). You are currently eligible to work in the UK without sponsorship and able to obtain UK security clearance. You have a passion for simulation, gaming, and space tech, and a drive to build code you are proud of. Nice to have ...

Lead Developer - Dynamics 365

Location
Crawley, England, United Kingdom
Select how often (in days) to receive an alert: Date: 5 Oct 2026 Location: Gatwick, GB Contract Type: Permanent – Full Time Security Level: SC Location: Gatwick – Hybrid Visa Restrictions: This position does not offer visa sponsorship Closing Date: Friday 23rd October 2026 Screening Calls: w/c Monday … driven app development and solution design. Experience designing and delivering integrations using APIs, Azure services and middleware technologies. Strong understanding of Dynamics 365 security models, governance and application lifecycle management. Experience implementing DevOps best practices, CI/CD pipelines and automated deployment processes. Excellent stakeholder management, communication ...

Content Designer - Telford or Worthing and Remote - 3 months+ - £395-£480 per day inside IR35

Hiring Organisation
Octopus Computer Associates
Location
Worthing, Sussex, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
will need to be based onsite in Telford or Worthing 2 days per week and you will need to go through BPSS security clearance for this role Description: The postholder: Collaborates primarily with UX/UI Designers and User Researchers to design written content for transactional services. Reports ...

2027 Data Science Apprentice - Level 6 Data Scientist

Hiring Organisation
Thales
Location
Crawley, Sussex, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology … SOON AS POSSIBLE TO AVOID MISSING OUT ON THIS OPPORTUNITY. Because of the work we do at Thales, all roles are subject to security requirements. To be considered for this position, you must have the permanent right to work in the UK and be able to successfully complete ...

Maritime Software Engineer – Sonar & Systems

Location
Crawley, England, United Kingdom
strong CS background, proficiency in programming (Java/C/C++), awareness of real-time constraints, and willingness to travel within the UK; security clearance is mandatory. #J-18808-Ljbffr ...

Firmware Engineer

Hiring Organisation
Morson Edge
Location
Crawley, West Sussex, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£60 - 90 per hour + None
development using development tool: MatLab Linux development environments Note - Due to the nature of projects, we require candidates that have or could get Security Clearance. ...

Senior Data Engineer

Location
Horsham, England, United Kingdom
solutions, and consultancy services that transform complex data challenges into actionable insights. Our mission is to empower customers across defence, government, and national security sectors to harness the power of data — from geospatial intelligence to advanced analytics and AI integration. We are proud to be a trusted partner … patterns across customer programmes. Integrate data platforms with cloud-native services, data lakes, event streams, warehouses and other enterprise systems. Implement data governance, security and access controls, including Unity Catalog or equivalent technologies, to ensure data remains secure, discoverable and compliant. Lead technical delivery across data engineering workstreams ...

SAP FI-CA/PSCD Consultant

Location
Worthing, England, United Kingdom
Declare they have a disability, and* Meet the minimum essential criteria for the role.**Please opt in during the application process.**## **Your security clearance**To be successfully appointed to this role, it is a requirement to obtain Security Check (SC) clearance. To obtain SC clearance … Kingdom for the last 5 years, along with other criteria and requirements. Throughout the recruitment process, you will be asked questions about your security clearance eligibility such as, but not limited to, country of residence and nationality. Some posts are restricted to sole UK Nationals for security ...

Senior Full Stack Developer - Web

Location
Gatwick, England, United Kingdom
Senior Full Stack Developer - Web Date: 16 Oct 2026 Location: Gatwick, GB Contract Type: Permanent – Full Time Security Level: SC Location: Gatwick – Hybrid Visa Restrictions: This position does not offer visa sponsorship Closing Date: Friday 6th November 2026 Screening Calls: w/c 9th November 2026 Interviews: from … good understanding of UI, UX and responsive design Experience in delivering accessible applications Experience of secure application development practices, including addressing OWASP security concerns Experience of code quality/pull request reviews Prototyping new techniques and solutions Experience developing and supporting solutions hosted in Microsoft Azure Experience working ...

2027 AI Engineer Apprentice - Level 6 Machine Learning

Hiring Organisation
Thales
Location
Crawley, Sussex, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology … selection, training and evaluation Deployment patterns, MLOps, monitoring and lifecycle management Cloud, compute and development tools used to deliver AI solutions Responsible AI, security, privacy, safety and regulatory considerations Structured approaches to troubleshooting, experimentation and continuous improvement Apprenticeship Programme You will study towards a Level 6 AI Engineer ...

Enterprise Architect

Location
Horsham, England, United Kingdom
solutions, and consultancy services that transform complex data challenges into actionable insights. Our mission is to empower customers across defence, government, and national security sectors to harness the power of data — from geospatial intelligence to advanced analytics and AI integration. We are proud to be a trusted partner … strong understanding of their governance structures, procurement frameworks, regulatory requirements, and operating environments. < Broad architecture expertise spanning business, data, application, technology, and security domains, with the ability to develop integrated enterprise-wide solutions. Proven ability to engage, influence, and build trusted relationships with senior leaders, executives, and programme ...

Product Technical Lead: Exercise and Training

Hiring Organisation
Thales
Location
Crawley, Sussex, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology … classification, tagging, encryption, and attribute-based access control strategies. Drive inclusion of Thales wider solutions into Exercise and Training capabilities, including Thales security products and solutions. Develop defensible design patterns, for OT Exercising and assurance capabilities within the Ebbw Vale facility. Provide technical leadership to engineering teams, guiding ...

Sales Manager (Capture / Campaign Lead) – ISR

Location
Crawley, England, United Kingdom
more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology … creates an inclusive environment.* Ability to analyze and use sales automation tools (sales analytics, sales tracking, reporting, performance) and problem-solving skills.**Security Clearance Requirement:**Due to the nature of the work that we do at Thales, many of our roles are subject to security restrictions. ...

Defence Solution Architect

Location
Horsham, England, United Kingdom
solutions, and consultancy services that transform complex data challenges into actionable insights. Our mission is to empower customers across defence, government, and national security sectors to harness the power of data — from geospatial intelligence to advanced analytics and AI integration. We are proud to be a trusted partner … delivers operational value. From shaping mission‐led architectures and developing data models to defining integration patterns and ensuring alignment with Defence standards, security requirements and enterprise architecture principles, you'll play a key role throughout the solution lifecycle. You'll contribute to technical assurance, capability development ...

Senior Consultant - Data & Digital Transformation

Location
Horsham, England, United Kingdom
solutions, and consultancy services that transform complex data challenges into actionable insights. Our mission is to empower customers across defence, government, and national security sectors to harness the power of data - from geospatial intelligence to advanced analytics and AI integration. We are proud to be a trusted partner … organisations solve challenging business and mission-critical problems through the effective use of data, digital transformation and emerging technologies. Working across Defence, National Security, Government and other regulated sectors, you'll partner with clients to understand their objectives, shape strategic direction and turn ambitious ideas into practical, deliverable ...

2027 Software Engineering Apprentice - Level 6 Digital and Technology Solutions Degree Apprenticeship

Hiring Organisation
Thales
Location
Crawley, Sussex, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology … year programme will introduce apprentices to a broad range of digital disciplines over the first two years of the programme, including data, computer security, software development, networks, programming and AI. In Year three you will move into your specialist pathway of Software Engineering, focussing on the principles, methods ...

Senior Scala Engineer

Location
Worthing, England, United Kingdom
Familiarity with SBT for build/CI/CD automation and GIT with branching strategies. • Solid understanding of web/HTTP, web security best practices, and performance considerations. • Familiarity with cloud-based infrastructure, CI/CD pipelines, and containerisation.## **We are a Disability Confident Employer**Capgemini is proud … Declare they have a disability, and Meet the minimum essential criteria for the role. Please opt in during the application process.## **Your security clearance**To be successfully appointed to this role, it is a requirement to obtain Security Check (SC) clearance. To obtain SC clearance ...

SAP Engagement Director

Location
Worthing, England, United Kingdom
Declare they have a disability, and* Meet the minimum essential criteria for the role**Please opt in during the application process.**## **Your security clearance**To be successfully appointed to this role, it is a requirement to obtain Security Check (SC) clearance. To obtain SC clearance … United Kingdom for the last 5 years, along with other criteria and requirements.Throughout the recruitment process, you will be asked questions about your security clearance eligibility such as, but not limited to, country of residence and nationality.Some posts are restricted to sole UK Nationals for security ...

Senior Firmware Engineer

Location
Crawley, England, United Kingdom
more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology … Simulink.* Linux development environments.* Familiarity with process assurance standards such as DO-254, IEC 61508, ISO 26262 or OpenCPI.* Awareness of cyber-security standards, particularly IEC 62443. **What we offer**As a People 1st Employer, we are committed to supporting your long-term engineering career. You will have ...

Senior Firmware Engineer

Hiring Organisation
Thales
Location
Crawley, Sussex, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology … Simulink. Linux development environments. Familiarity with process assurance standards such as DO-254, IEC 61508, ISO 26262 or OpenCPI. Awareness of cyber-security standards, particularly IEC 62443. What we offer As a People 1st Employer, we are committed to supporting your long-term engineering career. You will have ...

Solution Architect

Location
Horsham, England, United Kingdom
solutions, and consultancy services that transform complex data challenges into actionable insights. Our mission is to empower customers across defence, government, and national security sectors to harness the power of data — from geospatial intelligence to advanced analytics and AI integration. We are proud to be a trusted partner … frameworks. Previous involvement in pre‐sales activities, including shaping solution approaches, developing technical proposals, estimating delivery effort and presenting solutions to prospective clients. Security Clearance Requirements The successful candidate must be eligible to obtain and maintain a SC level security clearance. Location The role will require ...

Defence & Government Data Solutions Architect - Pre-Sales

Location
Horsham, England, United Kingdom
solutions, and consultancy services that transform complex data challenges into actionable insights. Our mission is to empower customers across defence, government, and national security sectors to harness the power of data — from geospatial intelligence to advanced analytics and AI integration. We are proud to be a trusted partner … frameworks. Previous involvement in pre-sales activities, including shaping solution approaches, developing technical proposals, estimating delivery effort and presenting solutions to prospective clients. Security Clearance Requirements Due to the nature of our work, the successful candidate must be eligible to obtain and maintain SC security clearance. ...