Integration & Test Engineer - perm position. UK nationals/British passport holders required due to Security Clearance needed (DV Level). With a proven career in integrating, testing and safeguarding complex systems and applications. The work will focus on design, development and maintenance of robust infrastructure within mission critical demands. What you will bring: Experience with both Windows & Linux systems, familiarity with DecSecOps principles. Your skill set should cover modern engineering practices such as containerisation (Docker, Kubernetes), Infrastructure as Code (Terraform, Ansible) and automated testing within CI/CD environments. Essential skills & experience: > Proven background in Integration and Test Engineering > Working knowledge of Agile and DevSecOps delivery methods. > Experience with Scrum methodology and using tools like Jira and Confluence > Creating & executing test plans, automated testing, and formal product acceptance > Experience with GitLab CI/CD pipelines and automated testing frameworks. > Analysing test results and identifying patterns or anomalies > Familiarity with Blue-Green deployment strategies > Relevant qualifications such as ISTQB Foundation or Agile Tester certification