Job Vacancy Senior Test Automation Engineer
London
CGI
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The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery processes and our deep expertise across the breadth of space, defence, intelligence, aerospace and maritime, all underpinned by our end-to-end cyber capability. We work collaboratively with global technology companies, cutting edge SMEs and academia to deliver the optimal solution for each client.
CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the ‘World’s Best Employers’ by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go.
CGI are looking for a highly motivated Test Automation Engineer to become part of the automation testing team. The ideal candidate is a strong hands on engineer with deep automation expertise, excellent problem solving skills, and the ability to work independently in a fast paced environment.
Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This will be a permanent, hybrid role with occasional travel to Gatwick and/or London.
Candidate profile
• Implement modern test architecture standards and automation best practices.
• Build and enhance end to end, API, integration, and regression automation suites.
• Collaborate closely with developers, DevOps engineers, product owners, and QA teams to ensure high quality delivery.
• Review and optimise CI/CD test execution pipelines and automated quality gates.
• Identify opportunities to improve automation coverage, execution reliability, and overall engineering efficiency.
• Troubleshoot complex automation and environment related issues across multiple platforms.
• Mentor team members and contribute to continuous improvement initiatives within the QA and engineering teams.
• Operate effectively as a self starter with minimal supervision while managing priorities and delivering outcomes.
Required qualifications to be successful in this role
Essential
• C#
• TypeScript
• Playwright/Selenium
• Test automation engineering
• Strong understanding of automation framework architecture and scalable test design patterns.
• Strong knowledge of UI, API, and integration testing approaches.
• Strong analytical and troubleshooting skills.
• Excellent communication and collaboration skills.
• Proven ability to learn new technologies quickly and adapt in evolving environments.
• Self motivated, proactive, and delivery focused mindset.
Desirable
• Strong experience with Azure DevOps.
• Experience working with Azure cloud platform services.
• Knowledge of Kubernetes and containerised environments.
• Experience maintaining CI/CD pipelines.
• Exposure to performance testing, observability, or cloud native testing practices.
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Working environment
Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…
You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.
Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.
You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.
That same commitment to fairness extends to how we use technology. To support our recruitment team, AI tools may be used to help assess applications though they never replace human judgement. All hiring decisions remain entirely in the hands of our recruitment professionals.
Come join our team—one of the largest IT and business consulting services firms in the world.
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Senior Test Automation Engineer
CGI