Software Engineer

Prattwhitney; Plymouth; On-site; GBP 40,000 - 60,000; Full time

Benefits offered by this job

Competitive salary and comprehensive benefits package

Flexible working arrangements

Excellent pension contribution

Private healthcare and life assurance

25 days annual leave plus buy/sell option

Early finish Fridays

Ongoing career development and training

Job summary

Prattwhitney is seeking a Software Engineer based at our Plymouth site, specializing in embedded software systems for aerospace. Responsibilities include developing real-time applications and collaborating within cross-functional engineering teams.

The ideal candidate should have a relevant degree and experience in embedded systems, strong C programming skills, and excellent communication capabilities. The role offers a hybrid work model and a comprehensive benefits package.

Qualifications

• Degree qualification in related discipline or equivalent industry experience.
• Strong programming skills in C with exposure to C++.
• Excellent communication and technical documentation skills.

Responsibilities

• Supporting requirements analysis activities.
• Designing embedded software architectures and detailed software designs.
• Producing test specifications and verification procedures.

Skills

C programming

Embedded software development

C++ programming

Software Development Life Cycle (SDLC)

Real-time programming

Visual Studio

Team collaboration

Technical documentation

Education

Degree in Software Engineering, Computer Science, Electronics, Aerospace Engineering

Tools

Integrated Development Environments (IDEs)

Git

Enterprise Architect

Python

MATLAB

Simulink

Job description

Date Posted: 2026-07-01 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, specializing in inertial sensing, integrated navigation, flight control and stabilisation solutions. Based at our Plymouth site, we design and manufacture world‑class control, navigation and guidance systems for air and surface applications, including industry‑leading MEMS‑based Inertial Measurement Units (IMUs) and the TERPROM® Digital Terrain Reference Navigation System.

Responsibilities

• 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

Required Qualifications

• 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

Preferred Qualifications

• 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

Benefits

• 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

The successful candidate must hold an active or be willing and eligible to obtain SC level security clearance.

Equal 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.