Senior Systems Engineer

Date Posted: 2026-09-25

 Country: United Kingdom

 Location: Winnersh, Wokingham

 Position Role Type: Hybrid Raytheon UK has an exciting new opportunity for a Senior Systems Engineer to join our team. As a Senior Systems Engineer, you will bring experience of delivering products through the full lifecycle, from requirements definition through to acceptance. This role is ideally suited to an engineer with a background in the defence sector, particularly within training systems or training development. The role requires a flexible and adaptable approach, with responsibilities varying across different areas of the programme. At times, you will work within a matrix team to develop procurement strategies, refine requirements for training devices, and support their progression through the procurement lifecycle. At other times, you will act as Raytheon's representative, overseeing and coordinating the activities of subcontractors responsible for the detailed design, development, and delivery of training devices. Success in this role will require strong stakeholder management, effective collaboration across multidisciplinary teams, and the ability to balance technical oversight with project delivery objectives. Primarily home-based but must be prepared to travel to support internal and customer meetings and duties. You must either currently hold or be eligible and willing to gain BPSS and SC clearance. Responsibilities Working with the Solution Architect to define work packages and technical requirements. Individually contribute to the execution and delivery of key work packages. Undertaking activities associated with product specification and qualification. Collaborate with cross functional teams to assist in the procurement and implementation of advanced training devices; the wider team includes specialists in requirements, test and acceptance, system architecture and supportability. Contributes to problem resolution at a team level. Contributes to and helps improve planned system operation. Create and maintain documentation for system configurations, processes and procedures Be ‘Responsible for championing and fostering a culture of Environmental, Health, and Safety (EHS) compliance and continuous improvement’. Any other duties required to meet the needs of the programme. Required Skills & Experience A relevant degree or equivalent training. Strong experience in systems engineering, ideally on all elements of the V-model. Experience with systems engineering technical standards, principles, theories, concepts and techniques. Experience writing scopes of work and acceptance criteria. Knowledge of the development of Systems of Systems. Ability to work in a collaborative, multi-discipline environment to solve problems. Hands-on experience with configuration management tools Ability to travel up to 25% of the time with a valid driving licence. Desirable Skills & Experience Experience with Atlassian suite, working with Jira and Confluence Experience of working in an Agile/SCRUM/DevOps delivery model. Awareness of NAFv4 and/or TOGAF. Experience of training devices. Benefits and Work Culture 37hr working week with early finish Fridays! 25 days holiday + statutory public holidays, increasing with service, plus opportunity to buy, sell and roll over up to 5 days and up to 5 paid days volunteering 10.5% company pension contribution with 6% employee contribution Annual company bonus scheme (discretionary) 6 times salary Life Assurance with pension 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 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. Joining our team means being part of an organisation that shapes the future of national security whilst investing in your growth and personal development. We provide a collaborative environment, abundant opportunities for professional development, and a profound sense of purpose in what we do. Together, we are not just advancing technology; we're building a community committed to safeguarding a safer and more connected world. RTX Raytheon UK is a landed company and part of the wider RTX organisation. Headquartered in Arlington, Virginia, USA, but with over 180,000 employees globally across every continent, RTX provides advanced systems and services for commercial, military and government customers worldwide and comprises three industry-leading businesses – Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Supporting over 35,000 jobs across 13 UK sites, RTX is helping to drive prosperity. Each year our work contributes over £2.7bn to the UK economy and offers a wealth of opportunities to 4,000 suppliers across England, Scotland, Wales and Northern Ireland. We’re investing in all corners of the country, supporting 29,040 jobs in England, 3,040 in Northern Ireland, 1,900 in Scotland and 1,600 in Wales. #LI-AS3 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