SiXworks an IBM company

About the Company

SiXworks is a leading provider of secure digital solutions, specialising in digital experimentation and focused on fail-safe-fast cutting-edge technology solutions deployed in highly secure environments. We are unified in our mission to accelerate innovation and adoption of secure, digital technology to improve the operational agility of Defence and National Security.
We pride ourselves on our ability to turn our customers' visions into reality and focus on supporting those with demanding security, assurance, and privacy requirements. We advocate for high assurance, Zero Trust, and Data-Centric architectures, which provide maximum protection against cyber threats.
Our constructively-disruptive approach drives new technology and approaches through to delivery. We have crossed the well-known "Valley of Death" from Proof of Concept to Live service, demonstrating our ability to deliver quality solutions. Our outstanding reputation, built on trust and vetting, is the reason why our customers have full confidence in the services we provide.

Listed Jobs

Company Name

SiXworks an IBM company

Job Title

Full Stack Engineer (LLM)

Job Description

Job Title: Full Stack Engineer (LLM) Role Summary: Develop and extend secure digital platforms in defence and security using AI (e.g., LLM) and ASP logic programming to enhance operational capabilities. Expectations: Combine full-stack development expertise with AI and logic programming to deliver scalable, secure, and high-performance solutions in a fast-paced engineering team. Key Responsibilities: Design and implement platform features integrating LLMs and ASP; collaborate on AI/LLM model integration for Defence applications; optimize system logic and geospatial data handling. Required Skills: 5+ years full-stack development; PostgreSQL, Python, React, JSON; LLM and GenAI implementation; ASP or logic programming (preferred); geospatial data experience (preferred). Required Education & Certifications: None specified; eligible for UK Security Clearance.

Farnborough, United kingdom

Hybrid

Mid level

27-01-2026

Company Name

SiXworks an IBM company

Job Title

Graduate Software Engineer

Job Description

Job Title: Graduate Software Engineer Role Summary: Final-year university student to contribute to software development, adapt to dynamic environments, and develop technical skills while working on impactful projects. Expactations: Motivated individual to join as a full-time graduate, collaborate in agile teams, and deliver high-quality software solutions. Key Responsibilities: Collaborate to design, develop, and maintain software solutions; implement version control with Git; develop front-end (JavaScript/TypeScript/React) and backend (Java/Python/Go) systems; streamline deployment via containerization; write clean, documented code per best practices; participate in code reviews; and stay updated on emerging technologies. Required Skills: Bachelor’s degree in Computer Science or related field; proficiency in Git; familiarity with front-end/backend technologies; understanding of software development principles (SOLID, algorithms/data structures); strong communication and teamwork; adaptability to fast-paced environments; and ability to provide/receive constructive feedback. Required Education & Certifications: Bachelor’s degree in Computer Science, Engineering, or related discipline.

Farnborough, United kingdom

Hybrid

Junior

16-02-2026

Company Name

SiXworks an IBM company

Job Title

Software Engineer (With Travel)

Job Description

Job Title: Software Engineer Role Summary: Develop and maintain scalable software solutions using cloud platforms, containerization, and modern development frameworks. Collaborate globally on front-end (React) and back-end (Java/Python/Go) systems. Implement CI/CD pipelines and optimize deployment processes with Docker. Expectations: Overseas travel required. Adaptability to fast-paced environments and continuous learning of emerging technologies. Key Responsibilities: - Design, develop, and maintain software solutions through cross-functional teams. - Implement cloud infrastructure on AWS or Azure for scalability and reliability. - Develop interactive front-end user interfaces using JavaScript/TypeScript (React). - Build and maintain robust back-end systems with Java, Python, or Go. - Containerize applications with Docker to streamline deployment. - Automate delivery via CI/CD pipelines and uphold code quality through reviews. - Stay current with software development trends and integrate best practices. Required Skills: - Proficiency in Git for version control and collaborative coding. - Experience with AWS/Azure cloud services and deployment. - Strong front-end development skills in JavaScript/TypeScript and React. - Backend capabilities using Java, Python, or Go. - Docker expertise for containerization and deployment workflows. - CI/CD pipeline implementation (DevOps principles). - Understanding of algorithms, data structures, and software architecture. Required Education & Certifications: - Bachelor’s degree in Computer Science, Engineering, or related field.

Farnborough, United kingdom

Hybrid

04-03-2026

Company Name

SiXworks an IBM company

Job Title

Platform Engineer

Job Description

**Job Title:** Platform Engineer **Role Summary:** Lead the design and implementation of scalable platform infrastructure, focusing on CI/CD pipelines, Kubernetes, automation, and monitoring systems to support DevOps practices in a Defence and Security Sector environment. **Expectations:** Drive end-to-end platform development, ensuring seamless integration with development teams while enhancing system maintainability, security, and scalability. **Key Responsibilities:** - Configure and optimize Kubernetes environments for scalable deployment. - Design and construct CI/CD pipelines using tools like Jenkins/JetBrains. - Implement Infrastructure as Code (Terraform) for consistent cloud/on-premise platform support. - Develop monitoring systems (Prometheus/Grafana) to ensure platform health. - Manage repositories and version control (Git) for collaborative code management. - Automate workflows to improve operational efficiency and reduce manual tasks. - Collaborate with platform and development teams to align capabilities with requirements. - Provide technical guidance on platform best practices. - Monitor trends and adopt emerging technologies for platform enhancement. **Required Skills:** - Kubernetes configuration and container orchestration. - CI/CD pipeline design (Jenkins/GitLab CI). - Infrastructure as Code (Terraform) expertise. - Monitoring tools (Prometheus/Grafana). - Git repository management and automation practices. - Cloud platforms (AWS/Azure/GCP) proficiency. - Problem-solving and cross-team collaboration skills. **Required Education & Certifications:** - Bachelor’s degree in Computer Science/Engineering or related field (or equivalent experience). - 5+ years in Platform Engineering, Site Reliability, or related roles. - UK National with eligibility for SC Security Clearance.

Farnborough, United kingdom

Hybrid

Mid level

11-03-2026