Senior Systems Engineer

Date Posted: 2026-11-06 Country: United Kingdom Location: Plymouth, Plymouth Position Role Type: Hybrid Collins Aerospace, a Raytheon Technologies company, is a world leader in advanced and intelligent solutions for the global aerospace and defence industries.

With a comprehensive inertial sensing and integrated navigation technology portfolio and deep domain expertise, we deliver cutting-edge systems that solve our customers’ toughest stabilisation, flight control and navigation challenges and help shape the future of aviation and defence.

This is a hybrid role based at our Plymouth site, where we design and manufacture control, navigation, and guidance systems for both air and surface applications. Our world-class products include MEMS-based Inertial Measurement Units (IMUs) and the TERPROM® Digital Terrain Reference Navigation System.

Our growth plan includes development and extension of our current technologies into state of the art military and civil aircraft applications and we’re looking for exceptional engineers to join us on that journey. As a Senior Systems Engineer, you’ll play a key role in developing, integrating and validating complex embedded systems.

Working across hardware, software and mechanical domains, you’ll take technical ownership of defined systems or subsystems, influencing engineering decisions and supporting delivery from concept through to validation.

What You Will Do Your day-to-day will include: Working with our customers and key stakeholders to lead the capture, analysis and definition of system-level use cases, concepts of operations and requirements for assigned systems or subsystems. Development of system architecture, taking technical ownership of architectural design decisions, requirements decomposition and associated technical trade-offs.

Interfacing with stakeholders across Systems, Software, Electrical and Mechanical Engineering, driving the development and alignment of requirement specifications for each component of the system. Leading defined system integration activities for real-time embedded systems, including hardware/software interfaces, and resolving complex integration challenges.

Ensuring requirement-to-requirement and requirements-to-test traceability throughout the design, identifying and resolving gaps, inconsistencies and technical risks. Developing test cases and procedures against requirements and executing tests, while contributing to verification strategies, reviewing results and resolving complex technical issues.

Applying logical and innovative problem-solving across software, hardware and system levels, providing technical direction and recommendations on complex engineering challenges. Providing inputs to project planning, estimations and progress reporting, including ownership of technical estimates, risks and deliverables for assigned engineering work packages.

Providing technical guidance to less experienced engineers and contributing to technical and design reviews. What You Will Learn At Collins Aerospace, your career development is as important as our technical innovation. You’ll benefit from: Exposure to cutting-edge navigation and sensing technologies. Mentorship and training from industry-leading experts.

Opportunities to work on mission-critical systems used globally. A supportive environment that encourages continuous learning and career progression. Qualifications & Experience Degree qualification in Software Engineering, Computer Science, Electronics, Aerospace Engineering or a related discipline, or equivalent industry experience.

Excellent written and verbal communication skills with technical and non-technical stakeholders in a fast-paced environment. Demonstrated experience as a Systems Engineer, covering the full development lifecycle, including independently delivering complex systems engineering activities. Strong requirements analysis and management skills, including requirements decomposition and traceability.

Experience of architectural design and decomposition, including evaluating technical trade-offs and contributing to system-level design decisions. Experience of creating test plans, test cases and procedures and executing test programmes. Experience with requirements management tools such as DOORS (or Jama or similar). Familiarity with version control systems (SVN, Git, Teamwork Cloud).

Experience taking technical ownership of engineering deliverables and collaborating across multidisciplinary teams. Skills & Experience We Value Experience with SysML tools such as Enterprise Architect (or Cameo) is preferred. Ability to read and interpret schematics. Data analysis. Experience of Control Systems Engineering. Experience of Digital Signal Processing.

Experience with platforms that utilise inertial sensors and associated requirements. Experience using COTS test equipment in a lab environment (oscilloscopes, bus analysers, etc.). Experience with hardware-in-the-loop testing. MATLAB. 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. Learn More & Apply Now! Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond?

At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionised systems for specialised aircraft and spacecraft and collaborative space solutions.

By joining our team, you’ll have your own critical part to play in ensuring our customers succeed today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today. 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.

Note: The successful candidate must hold an active or be willing and eligible to obtain SC level security clearance. Please note that access to certain projects may be restricted based on nationality. 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