DevSecOps & Automated Environment Engineer

ByDesign Secure Systems Ltd; West of England; Hybrid; GBP 111,000 - 166,000; Full time

Job summary

ByDesign Secure Systems Ltd is seeking a DevSecOps & Automated Environment Engineer to join a multi-year transformation program delivering secure, mission-critical government systems in air-gapped and restricted environments. You will engineer private cloud foundations and automate end-user services critical to sovereign security.

The role requires active SC/DV clearance, UK citizenship, and the ability to work in a hybrid London/Bristol setting.

Qualifications

• 5+ years in DevSecOps & infrastructure automation.
• Experience with CI/CD pipelines and secure software delivery.
• Experience in air-gapped or highly restricted environments.

Responsibilities

• Establish automated delivery pipelines for test environments.
• Embed SAST/DAST and container scanning into workflows.
• Work in secure, regulated environments with DV/SC clearance.
• Collaborate with architecture, security, and engineering teams.

Skills

DevSecOps

CI/CD

GitLab CI

GitHub Actions

Docker

IaC orchestration

Scripting

Air-gapped environments

Security clearance

Stakeholder communication

Tools

Terraform

Job description

DevSecOps & Automated Environment Engineer

This role is delivered within secure environments. Candidates must hold active SC/DV clearance and hold UK citizenship.

Join the Mission

At ByDesign Secure, we believe that world-class security shouldn't be an afterthought—it should be the foundation. We are an independent, outputs-based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we working on a landmark transformation of a cross-government secure IT system. This is an exciting opportunity to help engineer a private cloud environment from the ground up and modernize the end-user services that power national decision-making. We don't believe in "billing by the hour" or rigid hierarchies; we are a lean, expert team focused on delivering high-impact technical outcomes. If you are a self-starter who thrives on autonomy and wants to see your engineering or architectural decisions shape the future of sovereign security, we want to talk to you.

About the Opportunity

Are you a DevSecOps & Automated Environment Engineer with a passion for engineering secure, mission-critical systems?

We're looking for an experienced DevSecOps & Automated Environment Engineer to join our team. You'll be part of a multi-year transformation programme, shaping and implementing some of the most strategically significant government systems in operation today.

What You'll Be Doing

CI/CD and automation engineer establishing automated delivery pipelines for building out and managing the test environment.

Construct automated CI/CD deployment pipelines for application code, IaC templates, and platform configurations.

Orchestrate the automated tear-down and rebuild of the project test environment.

Embed SAST/DAST, dependency checking, and container scanning into automated workflows.

Provide support to a model office environment where we will have the capability to demonstrate capabilities to our end users to facilitate rapid feedback.

Operate and maintain solutions within disconnected, air-gapped, and security-sensitive environments, ensuring compliance with organisational security requirements.

Collaborate with architecture, security, and engineering teams to deliver solutions aligned with enterprise standards and best practices.

Develop and maintain technical documentation, including High-Level Designs (HLDs), Component-Level Designs (CLDs), Low-Level Designs (LLDs), operational procedures, and support runbooks.

Produce and present technical designs, implementation plans, and service improvements through governance and Technical Design Authority (TDA) processes as required.

What You'll Bring

5+ Years DevSecOps & Infrastructure Automation.

Practical hands-on knowledge of key technologies including: GitLab CI / GitHub Actions, DevSecOps Security Tools, Docker, IaC Orchestration, Scripting.

Experience working in environments without direct internet connectivity.

Confident working within highly regulated or classified environments where reliability and compliance are paramount.

Strong communicator — able to bridge technical and non-technical stakeholders effectively.

Good standard of written communication to enable high-quality design outputs to be produced.

Bonus Points For

Prior experience working on government classified systems or within secure data centre environments.

Experience of configuring and using AI technologies within cloud environments.

Familiarity with NCSC guidance, UK Government cloud policies, or cross-domain architectures.

Cloud Certifications.

Existing DV clearance.

Why This Role?

Work on high-impact, nationally significant projects that make a real difference.

Join a trusted specialist integrator with a proven record of secure delivery into UK Government.

Be part of a multi-year programme offering long-term stability and genuine career growth.

Clearance Requirements:

This role requires either an existing Security Clearance (SC level) or for one to be passed before commencement. There must be a willingness to undergo Developed Vetting (DV).

Work Location: Hybrid remote in London / Bristol

Job Types: Temporary, Fixed term contract (outside of IR35)

Screener Questions:

Do you hold UK nationality? (Required due to client security restrictions)

Do you currently hold active UK SC clearance?

Are you eligible and willing to undergo UK SC/DV clearance for this role? (Applications without this cannot be considered)

Does your delivery approach allow for on-site presence in London or Bristol when required (typically 3 days per week)?