Chief Engineer
RTX (Raytheon)
- Location
- High Wycombe, Buckinghamshire
- Work model
- On-Site
- Level
- Mid
- Posted
- Sep 11, 2026
About this role
Location: High Wycombe, Buckinghamshire

 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. Chief Engineer About us: The Future Joint Command and Staff Trainer (FJCAST) programme will transform the delivery of senior staff training, enabling Joint Headquarters, operational commands, coalition partners and allied nations to train together across Land, Maritime, Air, Space and Cyberspace domains. Through the integration of simulation, synthetic environments, exercise design, data exploitation, operational networks and coalition interoperability, FJCAST will support the training, preparation, experimentation and evaluation of UK and allied operational headquarters.
The role
As Chief Engineer, you will be responsible for the technical vision, engineering governance and solution integrity of the FJCAST programme. The FJCAST Chief Engineer is the senior technical authority responsible for assuring the delivery of a secure, interoperable, and data-driven Joint Collective Training capability. The role is accountable for integrating simulation, synthetic environments, operational systems, communications, and data services into a coherent training ecosystem that delivers measurable training outcomes, enhances operational readiness, and enables seamless interoperability across UK Defence, NATO, and coalition partners.
Key Responsibilities
Provide engineering leadership and act as the Technical Authority across the FJCAST programme, ensuring alignment with programme objectives, technical strategy, operational outcomes, and customer mission requirements. Own the programme's technical architecture, engineering strategy, and roadmap, leading the development of open, modular, scalable, resilient, and secure architectures that enable integration across Defence, NATO, coalition, and partner training systems. Lead the engineering strategy for modelling, simulation, synthetic environments, and collective training capabilities, ensuring effective federation and integration of Live, Virtual and Constructive (LVC) training systems to support realistic and operationally relevant exercise delivery. Ensure technical solutions enable effective planning, design, delivery, execution, and evaluation of Tier 3 and Tier 4 collective training exercises across UK Defence, NATO, coalition partners, and multi-domain operational environments. Serve as the primary technical decision-maker across the partner ecosystem and stakeholder community, providing technical assurance, solution oversight, and engineering direction throughout the programme lifecycle. Establish and maintain robust engineering governance, assurance, risk management, compliance, configuration management, and technical review processes, ensuring adherence to Defence, NATO, security, and industry standards and regulatory requirements. Develop and sustain strong collaborative relationships with MOD, NATO, coalition partners, industry stakeholders, and senior technical leaders, supporting programme delivery and collaborative working principles across a multi-organisational environment. Lead systems integration across simulation