Test Automation Engineer – Security & Intelligence

The Role

As an Automation Test Engineer, you will design, develop, integrate and maintain secure software services and mission applications within classified government environments.

Working as part of Agile / Dev Sec Ops  delivery teams, you will play a key role in ensuring the quality, reliability and security of complex digital solutions. You’ll collaborate closely with engineers, Dev Ops specialists, business analysts, product stakeholders and customer representatives to deliver high-quality software and provide confidence in each release.

This role is well suited to someone who combines strong technical engineering capability with a proactive approach to testing, quality assurance and continuous improvement. You’ll contribute across the full delivery lifecycle, from designing effective test strategies through to supporting release assurance in secure environments.

• Define and implement effective test strategies, plans and coverage aligned to delivery objectives
• Translate requirements and user stories into clear, executable test cases and scripts
• Develop and maintain automated test suites using tools such as Selenium, Cypress, Playwright or equivalent
• Embed automated testing within CI/CD pipelines to support Dev Sec Ops  delivery
• Support functional, integration, regression, system and acceptance testing activities
• Identify, manage and track defects through to resolution, working closely with development teams
• Provide clear test reporting, quality metrics and evidence to support release decisions
• Contribute to environment readiness, test data management and controlled release processes
• Collaborate within Agile teams, supporting sprint planning, refinement, reviews and retrospectives
• Promote a proactive, quality-first approach, embedding testing best practices across teams

• Experience working within the UK Security & Intelligence, defence or other secure government environments
• Strong background in software testing, test automation and quality engineering within Agile / Dev Sec Ops  delivery environments
• Experience designing and executing functional, integration, regression, system and acceptance testing, including defect investigation
• Hands‑on experience with test automation tools (e.g. Selenium, Cypress, Playwright, JUnit, pytest, Cucumber or similar), including API and UI testing
• Experience building and maintaining automated test frameworks, reusable test assets and managing test data
• Familiarity with integrating automated testing into CI/CD pipelines, alongside awareness of quality gates, release assurance and modern development practices
• Experience testing modern applications and services, including APIs, Java/JavaScript‑based systems and cloud or containerised environments
• Awareness of non‑functional testing approaches, including performance, resilience, accessibility and security testing
• Experience producing test evidence and assurance artefacts suitable for controlled or regulated environments

The successful candidate must hold a current high level security clearance.

It is anticipated the role will require up to 80% (4 d/wk) onsite working at client locations – Cheltenham, London, Manchester (based on project requirements).

• Annual Leave: 25 days plus your birthday off. You will have the ability to buy and sell 5 days holiday to work around your needs.
• Private Healthcare Coverage:
  Our health plan is tailored to meet the diverse needs of our employees with additional levels for family if required.
• Training & Skills Development:
  Stay ahead in your career with ongoing training opportunities and skill development initiatives tailored to your evolving needs.
• Fitness Reimbursement:
  We encourage an active lifestyle. Our fitness reimbursement program helps you stay fit by covering a portion of your gym memberships or fitness‑related expenses.
• Life Assurance:
  Gain peace of mind with extensive life insurance coverage that ensures financial protection for you and your loved ones.
• Pension Contribution:
  Plan for your future with our pension options. We provide resources and support to help you build a secure financial foundation.
• Perkbox…