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RTXRT

Software Engineer

RTX Corporation is an American multinational aerospace and defense conglomerate that provides advanced systems and services for commercial, military, and government customers worldwide. It is one of the largest aerospace and defense manufacturers globally by revenue and market capitalization.

RTX

Employee count: 5000+

United Kingdom only

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hackajob is collaborating with Raytheon to connect them with exceptional professionals for this role.

Date Posted: 2026-06-24

Country: United Kingdom

Location: Gloucester, South Gloucestershire

Position Role Type: Onsite

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Raytheon UK have a full time, permanent opportunity for a Software Engineer to join our team on our Gloucester or Manchester sites. You'll be part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of business areas. Due to the interesting work we do and the sector this team is working in, we require all candidates to be willing to attain an eDV clearance. In this area of the business we prove DevSecOps at scale, Artificial Intelligence, Machine Learning, cyber and geospatial intelligence capabilities to support the defence, intelligence and cyber sectors.

Collaborating with customers and suppliers to deliver secure, mission critical systems using the latest technologies and innovations.

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

Desired Skills and Experience

  • Core Software Engineering
  • JavaScript frameworks (React, NextJS)
  • TypeScript
  • Python
  • Java REST API development
  • OpenAPI / Swagger
  • Cloud Infrastructure
  • Cloud services (AWS or Azure)
  • Containerisation Orchestration (Docker, Kubernetes, OpenShift)
  • Infrastructure as Code (Terraform, Ansible)
  • Data Search Technologies
  • Relational Databases (e.g. PostgreSQL)
  • Elasticsearch / Opensearch
  • Testing Quality
  • Unit testing and automation
  • Testing frameworks (e.g. Mocha, Jest, Cypress)
  • Delivery Collaboration Experience
  • Experience working in an Agile delivery team
  • Use of code repositories (e.g. GitLab); familiarity with branching strategies, pull requests and merge processes

Please ensure the role type defined below is appropriate for your needs before applying to this role.

This position is classified as: Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.]

Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite. Ratio of time working onsite will be determined in partnership with your leader.

Remote: Employees who are working in Remote roles will work primarily offsite (from home). If you live within a reasonable commute of an RTX site with other colleagues you interact with, your manager will discuss whether there is a degree of onsite presence associated with this role.

Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility.

Requires theoretical to advanced knowledge of work area typically obtained through University Degree combined with experience. Practical knowledge of RTX projects, programs or systems with the ability to make enhancements and leverage in daily work. Typically requires a University Degree or equivalent experience and minimum 2 years of prior relevant experience.

Engineering/Other Technical Positions:Typically requires a degree in Science, Technology, Engineering or Mathematics(STEM) and a minimum of 2 years of prior relevant experience unless prohibited by local laws/regulations.

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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Job type

Full Time

Experience level

Location requirements

Hiring timezones

United Kingdom +/- 0 hours

About RTX

Learn more about RTX and their company culture.

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Our customers in the aerospace and defense sectors face increasingly complex challenges that demand innovative and resilient solutions. From ensuring national security and enabling safe global travel to advancing space exploration, the stakes are incredibly high. That's why RTX is dedicated to pushing the boundaries of technology and science to redefine how we connect and protect our world. We understand that progress isn't inevitable; it's initiated by relentlessly asking tough questions and discovering groundbreaking answers. This commitment drives us to develop advanced systems and services that empower our commercial, military, and government customers worldwide.

Every day, our global team of over 185,000 employees across Collins Aerospace, Pratt & Whitney, and Raytheon works as one to solve the hardest problems in these critical industries. Whether it's manufacturing cutting-edge aircraft engines, developing sophisticated avionics and aerostructures, creating robust cybersecurity solutions, or producing guided missiles and air defense systems, our focus remains on delivering capabilities that make a tangible difference. For instance, an aircraft carrying our technology takes flight every second of every day, and approximately half of the world's population is protected by our defense products. We support 90% of all U.S. Department of Defense and commercial space launches and help ensure the safety and efficiency of 11 million air travel passengers daily. Our customers rely on us for solutions that span from the seabed to space, ensuring they have the most advanced capabilities to counter threats and achieve their missions. We are committed to advancing aviation, building smarter defense systems, and creating innovations that take us deeper into space, because the progress we make matters.

Employee benefits

Learn about the employee benefits and perks provided at RTX.

View benefits

Company-sponsored outings

An office perk.

Remote work program

Part of the company culture.

Employee stock purchase plan

Available as a financial benefit.

Charitable contribution matching

Available as a financial benefit.

View RTX's employee benefits
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RTX

Company size

5000+ employees

Founded in

2020

Chief executive officer

Christopher T. Calio

Employees live in

View company profile

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