RTX
Software Engineer
Tech
- Location
- United Kingdom
- Opened
- Unknown
- Closes
- No date listed
UK visa sponsorship
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About the role
Date Posted:
2026-08-24

Country:
United Kingdom

Location:
Plymouth, Plymouth

Position Role Type:
Hybrid
At Collins Aerospace, a Raytheon Technologies company, we are a global leader in advanced aerospace and defence technologies. Our expertise in inertial sensing, integrated navigation, flight control and stabilisation solutions enables us to deliver innovative systems that solve some of our customers' most complex challenges.
Based at our Plymouth site, we design and manufacture world-class control, navigation and guidance systems for air and surface applications. Our portfolio includes industry-leading MEMS-based Inertial Measurement Units (IMUs) and the TERPROM® Digital Terrain Reference Navigation System.
We are looking for a Software Engineer to join our collaborative engineering team in a hybrid role based in Plymouth, helping to shape the future of aerospace navigation technologies.
What You Will Do
As a Software Engineer, you will contribute across the full software development lifecycle, supporting the design, development, integration and verification of embedded software solutions.
Key responsibilities include:
Supporting requirements analysis activities
Translating system requirements into detailed software requirements
Developing user stories and use cases
Designing embedded software architectures and detailed software designs
Producing test specifications and verification procedures
Developing embedded software, primarily in C, with some C++ for support systems and tools
Verifying software against requirements and design specifications
Performing hardware and software integration activities
Supporting performance qualification and validation testing
Developing software test tools and utilities
Working effectively within cross-functional engineering teams
What You Must Have
Degree qualification in Software Engineering, Computer Science, Electronics, Aerospace Engineering or a related discipline, or equivalent industry experience
Experience working across the full Software Development Life Cycle (SDLC)
Experience developing real-time embedded software applications
Strong programming skills in C, with exposure to C++
Familiarity with Integrated Development Environments (IDEs)
Excellent communication and technical documentation skills
Strong team-working capabilities combined with a proactive, self-motivated approach
A customer-focused mindset with attention to quality and detail
Experience using Visual Studio or similar development environments
Skills and Experience We Value
While not essential, the following experience would be advantageous:
Experience using software modelling and design tools such as Enterprise Architect
Understanding of UML and software design methodologies
Knowledge of version control systems such as Git, SVN or PVCS
Experience with Test Driven Development (TDD)
Familiarity with Ada programming language and GNAT Pro Studio
Experience contributing to project planning, estimation or bid activities
Exposure to Python, MATLAB or Simulink
Experience working within aerospace, defence or other safety-critical industries
What We Offer:
Competitive salary and comprehensive benefits package.
Flexible working arrangements.
Excellent 2:1 matched pension contribution (up to 10%).
Private healthcare and life assurance.
25 days annual leave plus the option to buy or sell up to 5 days.
Early finish Fridays and a culture that values work life balance.
Ongoing career development, mentorship, and world class training.
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.
Interested to Explore?
If you’re passionate about innovation, precision, and purpose—and you’re ready to make a real impact in aerospace and defence - then we’d love to hear from you.
Apply today and join a team where your expertise helps define the future of navigation and control systems.
Note: The successful candidate must hold an active or be willing and eligible to obtain SC level security clearance.
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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