Summary
A defence and national-security technology organization is seeking a Senior Platform Engineer to build and maintain development infrastructure supporting mission-critical cyber capabilities. The role offers a hybrid working model and requires eligibility for high-level UK security clearances.
Highlights
Permanent full-time role with a hybrid arrangement, working on mission-critical national security technology in mature agile teams and solving challenging digital infrastructure problems.
Description
Date Posted:
2026-06-26
Country:
United Kingdom
Location:
Gloucester, South Gloucestershire
Position Role Type:
Onsite
Senior 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
Building and setting up development tools and infrastructureUnderstand the needs of project stakeholdersAutomate and improve development and release processesEnsure that systems are safe and secure against cyber security threatsIdentify technical problems and develop software updates and solutionsWork 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 modeCloud technologies (AWS or Azure)Infrastructure as code e.g.
Terraform, Puppet, Chef, Ansible etc.
Experience in building and deploying large-scale applications inContinuous Integration/Delivery pipelines;Container platform and orchestration systems ECS, AKS, Kubernetes/helm/DockerExperience in automation and integration tools such as Jenkins,Concourse CI or cloud equivalentsExperience 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.
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