Senior Infrastructure Engineer

Raytheon UK; Gloucester; On-site; GBP 40,000 - 60,000; Full time

Benefits offered by this job

Competitive salary

Contributory Pension Scheme

25 days holiday plus public holidays

Flexible Benefits scheme

Enhanced sick pay

Job summary

Raytheon UK is looking for a Systems Engineer for a permanent, full-time role based in Gloucester. The position requires candidates to hold eDV clearance and offers a competitive salary along with various benefits.

The role involves system administration, troubleshooting, and maintenance tasks in a collaborative Agile environment. Ideal candidates will have experience with Linux and systems engineering. Join us in contributing to our innovative defence and aerospace solutions.

Qualifications

• Experience working within an Agile / SCRUM / DevOps delivery model.
• Experience as a Systems Engineer in software intensive programmes.
• Understanding of design and implementation of large-scale systems.

Responsibilities

• Perform system administration and backup tasks.
• Assist in the investigation and resolution of various issues.
• Contribute to maintenance, installation and problem resolution.

Skills

Agile / SCRUM / DevOps

Systems Engineering

Linux administration

Hardware understanding

Tools

RedHat

Docker

Kubernetes

Cloud services (AWS/Azure)

Job description

Onsite 5 days a week

Due to the interesting work we do and the sector this team is working in, we require all candidates to currently hold eDV clearance.

Job Details

Date Posted: 2026-06-24

Country: United Kingdom

Location: Gloucester, South Gloucestershire

Position Role Type: Onsite, Permanent, full time

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. We are a major supplier to the UK government and customers around the globe, providing defence solutions across all domains: land, sea, air, space, and cyberspace. We also provide digital and training transformation solutions to commercial and military customers.

Role & Responsibilities

• 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
• Research and resolve system design issues
• Provide interpretation of requirements and design into 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 the 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 among 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, dependent 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.