Date Posted: 2026-06-24
Location: Gloucester, South Gloucestershire, United Kingdom
Position: Senior Infrastructure Engineer (Onsite, Permanent, full time)
About Us
Raytheon UK is a leading defence and aerospace company operating across the United Kingdom, providing defence solutions across all domains: land, sea, air, space, and cyberspace.
Role & Responsibilities
Raytheon UK has an opportunity for a Senior Infrastructure Engineer to join our teams at our Gloucester site. All candidates must already hold eDV to be eligible. As a Senior Infrastructure Engineer, you will contribute to delivering and maintaining operational systems in our many business areas and this role will be office based.
- Perform system administration and backup tasks.
- Assist in the investigation and resolution of issues relating to applications, networks and services.
- Contribute to maintenance, installation and problem resolution.
- Researching and resolving system design issues.
- Provide interpretation of requirements and design into the component design and implementation.
Required Experience
- Experience working within an Agile / SCRUM / DevOps delivery model.
- Experience as a Systems Engineer in software intensive programmes covering full engineering lifecycle from requirements decomposition to acceptance and customer sign off.
- Understanding of the complexities in design and implementation of large-scale information systems.
- Ability to take responsibility for technical aspects of a project, and to work closely with project management to deliver Linux administration and deployment.
- Understanding of server, storage and desktop hardware.
Desirable Experience
- Experience working in a Linux environment (RedHat, CentOS).
- Knowledge of Windows Server, Active Directory, OU, User and Group Management.
- Demonstrable experience of model‑based systems architecture/engineering (e.g., MODAF, TOGAF).
- Knowledge of RedHat migrations.
- Knowledge of networking health monitoring.
- Knowledge of Concourse (writing pipelines, administering the cluster).
- Understanding of VMware vSphere ESXi.
- Knowledge of Atlassian Suite.
- Infrastructure as Code (e.g., Terraform, Ansible).
- Docker / Kubernetes containerisation and orchestration.
- Elasticsearch/Kibana Cloud services (AWS or Azure).
- Helm charts.
- MongoDB.
- Experience building enterprise level web applications or services.
- Apache Kafka.
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.
Equal Employment Opportunity
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.
