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Salary
≈ $67k – $129k per year (Estimated)
Location
In office (Gloucester)
Seniority
Senior
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 18, 2026. First seen by Alion on Sep 18, 2026. RTX scores A on the Alion truth index.

Overview
Company
Impact
Profile match

RTX

RTX is an American aerospace and defense company formed in 2020 by the merger of United Technologies and Raytheon. It operates through three businesses: Collins Aerospace, which makes avionics, aircraft interiors and aerostructures, Pratt & Whitney, which builds commercial and military jet engines, and Raytheon, which produces missiles, air defense systems such as Patriot, radars and sensors. Its customers include airlines, aircraft manufacturers, the United States Department of Defense and allied governments. The company is headquartered in Arlington, Virginia, United States.

Date Posted:

2026-09-18

Country:

United Kingdom

Location:

Gloucester, South Gloucestershire

Position Role Type:

Onsite

Senior Infrastructure Engineer

Gloucester

Permanent,full time

Onsite 5 days a week

Due to the interestingworkwe do and the sector this team is working in, we require all candidates tocurrently hold 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.

As a leading defence and aerospace companyoperatingacross the United Kingdom, Raytheon UK helps to solve our customers’ toughest challenges. 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.

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

Raytheon UK have an opportunity for a Senior Infrastructure Engineer to join our teams at our Gloucester site. All candidates mustalready 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 HealthCashplan, 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, jobrequirementor site-specific arrangements.

  • Early 1.30pm finish Friday, start your weekend early!

  • Remote,hybridand 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

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