Principal DevSecOps Engineer - LONDON
Role Description & Technical Scope
<p class="text-muted mb-3">Principal DevSecOps Engineer - Permanent</p>
<p class="text-muted mb-3">London | Hybrid - 3 days per week on-site</p>
<p class="text-muted mb-3">£110,000-£125,000 + 5-10% bonus + pension + benefits | Permanent</p>
<p class="text-muted mb-3">🚀 Build secure, scalable platforms that enable transformation</p>
<p class="text-muted mb-3">We're looking for a Principal DevSecOps Engineer to lead the adoption and continuous improvement of DevSecOps practices across complex technology transformation programmes.</p>
<p class="text-muted mb-3">You'll combine hands-on engineering with technical leadership, embedding security, automation, governance and reliability throughout the path to live.</p>
<p class="text-muted mb-3">What you'll do</p>
<ul class="list-unstyled job-desc-list mb-3">
<li class="d-flex align-items-start mb-2"><i class="mdi mdi-circle-medium text-success fs-15 me-2 mt-1"></i><span>Design and continuously improve secure, automated CI/CD and GitOps pipelines</span></li>
<li class="d-flex align-items-start mb-2"><i class="mdi mdi-circle-medium text-success fs-15 me-2 mt-1"></i><span>Embed security scanning, vulnerability management and secrets management into delivery workflows</span></li>
<li class="d-flex align-items-start mb-2"><i class="mdi mdi-circle-medium text-success fs-15 me-2 mt-1"></i><span>Establish secure-by-design engineering practices and enforce security and technical standards</span></li>
<li class="d-flex align-items-start mb-2"><i class="mdi mdi-circle-medium text-success fs-15 me-2 mt-1"></i><span>Lead Infrastructure as Code (IaC) practices across teams and environments</span></li>
<li class="d-flex align-items-start mb-2"><i class="mdi mdi-circle-medium text-success fs-15 me-2 mt-1"></i><span>Drive observability, monitoring, logging and audit controls</span></li>
<li class="d-flex align-items-start mb-2"><i class="mdi mdi-circle-medium text-success fs-15 me-2 mt-1"></i><span>Support incident response, patching, compliance reporting and technical debt remediation</span></li>
<li class="d-flex align-items-start mb-2"><i class="mdi mdi-circle-medium text-success fs-15 me-2 mt-1"></i><span>Partner with developers and delivery teams to improve engineering quality and security</span></li>
<li class="d-flex align-items-start mb-2"><i class="mdi mdi-circle-medium text-success fs-15 me-2 mt-1"></i><span>Document security processes, controls and operational runbooks</span></li>
<li class="d-flex align-items-start mb-2"><i class="mdi mdi-circle-medium text-success fs-15 me-2 mt-1"></i><span>Provide technical leadership and help establish effective DevSecOps ways of working</span></li>
</ul>
<p class="text-muted mb-3">What we're looking for</p>
<p class="text-muted mb-3">You'll be an experienced DevSecOps Lead or Principal Engineer with strong hands-on engineering and technical leadership experience across:</p>
<ul class="list-unstyled job-desc-list mb-3">
<li class="d-flex align-items-start mb-2"><i class="mdi mdi-circle-medium text-success fs-15 me-2 mt-1"></i><span>CI/CD & GitOps: GitHub Actions, Argo CD, Argo Rollouts</span></li>
<li class="d-flex align-items-start mb-2"><i class="mdi mdi-circle-medium text-success fs-15 me-2 mt-1"></i><span>Security & Compliance: Trivy, vulnerability management, HashiCorp Vault, cert-manager</span></li>
<li class="d-flex align-items-start mb-2"><i class="mdi mdi-circle-medium text-success fs-15 me-2 mt-1"></i><span>Containers & Cloud: Docker, AWS EKS, AWS IAM, S3 and network policies</span></li>
<li class="d-flex align-items-start mb-2"><i class="mdi mdi-circle-medium text-success fs-15 me-2 mt-1"></i><span>Infrastructure as Code: Terraform</span></li>
<li class="d-flex align-items-start mb-2"><i class="mdi mdi-circle-medium text-success fs-15 me-2 mt-1"></i><span>Observability: Grafana, Loki</span></li>
<li class="d-flex align-items-start mb-2"><i class="mdi mdi-circle-medium text-success fs-15 me-2 mt-1"></i><span>Automation: Python and Bash</span></li>
<li class="d-flex align-items-start mb-2"><i class="mdi mdi-circle-medium text-success fs-15 me-2 mt-1"></i><span>Experience delivering within the UK Government Digital Service (GDS) lifecycle on a public sector engagement</span></li>
</ul>
<p class="text-muted mb-3">🌟 Why join?</p>
<p class="text-muted mb-3">You'll work on complex, high-impact transformation programmes where engineering, security and technology come together.</p>
<p class="text-muted mb-3">You'll have access to extensive learning and development opportunities, professional certifications and flexible hybrid working, with the opportunity to shape DevSecOps practices across a growing technology environment.</p>
<p class="text-muted mb-3">🔐 Security Clearance</p>
<p class="text-muted mb-3">Security Check (SC) clearance is required. Candidates must meet the relevant eligibility</p>
<h5 class="fw-bold text-success mt-4 mb-3">requirements, including continuous UK residency for the last five years.</h5>
<p class="text-muted mb-3">This role requires candidates to be sole UK nationals.</p>
<p class="text-muted mb-3">Ready to shape the future of secure engineering?</p>
<p class="text-muted mb-3">If you're a senior DevSecOps professional who enjoys solving complex technical challenges, leading from the front and building secure engineering practices that scale, we'd love to hear from you.</p>
<p class="text-muted mb-3">Apply now</p>
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Key Details
- Date Posted: 05 Oct 2026
- Location: City of London, London
- Employment: Permanent
- Workplace: Hybrid
- Domain: IT
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