Principal Platform Engineer at RTX · Gloucester

Principal Platform Engineer Location: Gloucester, South Gloucestershire Date Posted: 2026-06-24 Country: United Kingdom Location: Gloucester, South Gloucestershire Position Role Type: Onsite Principal Platform Engineer Gloucester Permanent, full time Hybrid (min 3 days a week on site) Due to the interesting work we do and the sector this team is working in, we require all candidates to be willing and eligible to hold SC and eDV clearance. About us At Raytheon UK, we take immense pride in being a leader in defence and aerospace technology. As an employer, we are dedicated to fuelling innovation, nurturing talent, and fostering a culture of excellence. Cyber Our National Security Cyber business delivers mission-critical solutions that safeguard our national security 24 hours a day, seven days a week. Working in a mature, agile environment, our SCRUM teams work synchronously with our customers to solve some of the toughest digital challenges faced in the world today. Role & Responsibilities Work as a Principal Platform Engineer, deploying applications and software to cloud or on-prem environments for our many business areas. Due to the interesting work we do and the sector this team is working in, we require all candidates to be willing to attain an eDV clearance. Building and setting up development tools and infrastructure Understand the needs of project stakeholders Automate and improve development and release processes Ensure that systems are safe and secure against cyber security threats Identify technical problems and develop software updates and solutions Work with other engineers to ensure that development follows established processes and works as intended Required experience Experience of working in an Agile/SCRUM/DevOps delivery model Cloud technologies (AWS or Azure) Infrastructure as code e.g. Terraform, Puppet, Chef, Ansible etc. Experience in building and deploying large-scale applications in Continuous Integration/Delivery pipelines; Container platform and orchestration systems ECS, AKS, Kubernetes/helm/Docker Experience in automation and integration tools such as Jenkins, Concourse CI or cloud equivalents Experience in scripting languages and source control Benefits: £: Competitive salary Contributory Pension Scheme (up to 10.5% company contribution) 6 times salary ‘Life Assurance’ with pension 25 days holiday (increasing with service) + statutory public holidays, plus opportunity to buy and sell up to 5 days (37hr) Company bonus scheme (discretionary) Flexible Benefits scheme with extensive salary sacrifice schemes, including Health Cashplan, Dental, and Cycle to Work amongst others Enhanced sick pay Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave Work Culture 37hr working week, although hours may vary depending on role, job requirement or site-specific arrangements. Early 1.30pm finish Friday, start your weekend early! Remote, hybrid and site based working opportunities, dependant on your needs and the requirements of the role. Up to 5 paid days volunteering each year. Flexible working culture focused on output, with more formal flexible working arrangements on request (assessed subject to role) - please highlight any requests to the Talent Acquisition team. RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law. RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law. Privacy Policy and Terms: Click on this link to read the Policy and Terms