Senior DevSecOps Engineer: Secure CI/CD for Defence Tech

Academic Key; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

Shield AI in London is seeking a Senior DevSecOps Engineer to design, build, secure, and operate the software delivery infrastructure for defence programmes. You will develop and maintain CI/CD pipelines for rapid, secure deployment of autonomy and mission software.

The role requires a strong background in software and platform engineering, with significant experience in UK defence environments and Secure by Design practices.

Qualifications

• BS/MS in Computer Science, Software Engineering, Cyber Security, Electrical Engineering, Systems Engineering, or equivalent practical experience.
• 5+ years of experience in DevOps/DevSecOps/platform engineering/site reliability engineering or related field.
• Experience delivering software or digital capabilities within UK defence or similarly regulated environments.
• Strong understanding of UK MOD/NATO DevSecOps and Secure by Design principles.
• Experience applying MOD security policies, security assurance processes, and technical security requirements to software programmes.
• Experience developing and operating CI/CD pipelines with modern source control and deployment technologies.
• Strong understanding of Infrastructure as Code, configuration management, containerisation, and automation.
• Experience with Git, GitLab or GitHub and related tooling.

Responsibilities

• Design, build, and operate secure development and deployment infrastructure for Shield AI autonomy and defence programmes.
• Develop and maintain CI/CD pipelines enabling rapid, repeatable, and secure delivery of mission software.
• Embed security throughout the software development lifecycle with testing, evidence, and assurance integrated into engineering workflows.
• Apply UK MOD Secure by Design principles across the development lifecycle and ensure cyber security responsibilities are met.
• Collaborate with software, autonomy, systems, cyber security, integration, and test engineers to create secure environments for rapid development.
• Maintain development and deployment environments spanning cloud, on‑prem, labs, simulation, and hardware‑in‑the‑loop platforms.
• Implement automated security controls in CI/CD pipelines (static analysis, dependency scanning, container scanning, secrets detection, SBOMs, vulnerability mgmt).
• Champion a DevSecOps culture with ownership of security, reliability, and deployability across teams.

Skills

CI/CD pipelines

DevSecOps

Site Reliability

Secure by Design

IaC

Containerisation

Cloud platforms

Education

Bachelor's/Master's in CS or related field

Tools

Git

GitHub

GitLab

Job description

Shield AI in London is seeking a Senior DevSecOps Engineer to design, build, secure, and operate the software delivery infrastructure for defence programmes. You will develop and maintain CI/CD pipelines for rapid, secure deployment of autonomy and mission software.

The role requires a strong background in software and platform engineering, with significant experience in UK defence environments and Secure by Design practices.