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Salary
≈ $81k – $157k per year (Estimated)
Location
Hybrid (Gloucester, United Kingdom)
Seniority
Senior
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Oct 13, 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:

2026-10-13

Country:

United Kingdom

Location:

Gloucester, South Gloucestershire

Position Role Type:

Onsite

Senior Software Engineer

Location: Gloucester

Permanent

Hybrid/On-site (min 3 days per week on-site)

Due to the interesting work we do and the sector this team is working in, we require all candidates tobe eligible and willing to obtain SC and eDV clearance.

Whilst on the SC clearance, you are able to work on a hybrid basis with 3 days per week on site. Full time on site would be required when eDV clearance is obtained

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 company operating across 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.

With circa 2000 employees and major facilities operating throughout the UK including Broughton (Wales), Livingston and Glenrothes (Scotland), and Harlow, Gloucester, and Manchester (England); we are committed to investing in British careers and technology development.

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

Design and build software using industry best practice

Collaborate with stakeholders and other engineers

Contribute to the completion of milestones associated with your project

Contribute to continuous improvement within your team

Collaborate with your peers on technical direction within your team

Required experience

  • Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or Java
  • REST API development / OpenAPI / Swagger
  • Cloud services (AWS or Azure)
  • Containerisation & Orchestration (Docker, Kubernetes, OpenShift)
  • Infrastructure as Code (Terraform, Ansible)
  • Relational Databases (e.g. PostgreSQL)
  • Elasticsearch / Opensearch
  • Unit testing and automation / Testing frameworks (e.g. Mocha, Jest, Cypress)
  • Experience working in an Agile delivery team

We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please do make an application and we will identify where we can best support your growth specific to your application.

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.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms

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