Senior DevOps Engineer – Security-Cleared (Public Sector)

Olive Jar Digital Ltd; City Of London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Olive Jar Digital is seeking an experienced Senior DevOps Engineer to support a public sector digital project in the UK. You will automate code security controls, strengthen GitHub tooling and CI/CD workflows, and collaborate with engineering and security stakeholders to reduce manual reviews.

This hands-on role requires expertise in infrastructure automation, Terraform, and secure deployment patterns. You will produce maintainable code and clear documentation, and help scale automated checks

Qualifications

• Active SC security clearance is essential.
• Strong experience configuring and managing GitHub repository controls and settings.
• Hands-on experience with Terraform and infrastructure/configuration automation.
• Experience developing automation to assess technical controls, configurations or compliance requirements.
• Good understanding of DevOps practices, CI/CD pipelines and automated testing.
• Experience maintaining existing codebases, troubleshooting issues and improving engineering tooling.
• Ability to write production-quality code, maintain documentation and collaborate with technical stakeholders.

Responsibilities

• Automating code security and repository compliance checks.
• Improving shared GitHub tooling and Terraform-based configuration.
• Integrating automated controls into CI/CD pipelines and engineering workflows.
• Reviewing existing repositories, identifying gaps and implementing improvements.
• Producing clear evidence of compliance checks, exceptions and areas requiring manual review.
• Writing maintainable, tested code and technical documentation.
• Collaborating with engineering and security teams to prioritise improvements and share knowledge.

Skills

GitHub controls

Terraform

CI/CD pipelines

Automated testing

Documentation

Stakeholder collaboration

Job description

Olive Jar Digital is seeking an experienced Senior DevOps Engineer to support a public sector digital project in the UK. You will automate code security controls, strengthen GitHub tooling and CI/CD workflows, and collaborate with engineering and security stakeholders to reduce manual reviews.

This hands-on role requires expertise in infrastructure automation, Terraform, and secure deployment patterns. You will produce maintainable code and clear documentation, and help scale automated checks