Principal Systems Engineer - Remote in Wokingham

United KingdomLocation: Winnersh, WokinghamPosition Role Type: HybridCollins Aerospace, an RTX businessLocation: Winnersh, UKHelp shape the future of unmanned systemsAt Collins Aerospace, we are advancing technologies that help redefine aerospace and defense. From intelligent systems to complex mission capability, our teams work on solutions that protect, connect and support customers operating in some of the most demanding environments in the world. We are looking for an experienced Snr Principal Systems Engineer - Modelling & Simulation– Unmanned Systems to play a key technical leadership role in the design, development, test and demonstration of complex unmanned air systems. This is a role for someone who enjoys working at the sharp edge of engineering: building high-fidelity models, developing flight-critical control laws, validating systems through SIL/HIL testing, supporting field trials, and mentoring the next generation of modelling and simulation engineers. You will work across the full lifecycle, from customer requirements and concept development through to simulation, embedded implementation, Iron Bird testing, flight trials and in-field demonstrations. What You Will DoYou will lead modelling, simulation and control activities for complex unmanned systems, helping to turn mission concepts into validated, field-ready capability. Design high-fidelity 6-DOF digital models of complex unmanned systems, accurately representing vehicle dynamics, behaviours and mission performance. Use Model-Based Systems Engineering to inform, drive and verify system design decisions. Develop, test, tune and deploy flight-critical control laws and autonomy functions for unmanned aircraft. Support Software-in-the-Loop, Hardware-in-the-Loop and full-scale aircraft systems testbed activity, including Iron Bird development and validation. Define and integrate onboard data communication interfaces, including CAN bus, serial and Ethernet networks. Support experimental flight testing, including test procedures, live control tuning, post-flight analysis and real-time data review. Design rapid analysis tools and scripts to process UAS flight logs during trials and debugging activity. Diagnose, fault-find and repair complex UAS onboard control systems in both lab and field environments. Identify technical risks and develop practical mitigation plans. Support the use of export-controlled technologies, including designs subject to US ITAR controls. What You Will LearnThis role offers the opportunity to work on advanced unmanned systems in an environment where modelling, simulation, control law design and field validation come together. Multi-asset CONOPS simulation and representative vignette testing. Flight test campaigns, field demonstrations and rapid engineering support in live environments. Aerospace and defense engineering governance, including safety, certification, export control and customer requirements. Leadership of specialist engineering teams delivering high-quality technical output to time, cost and quality expectations. You Must HaveWe are looking for someone with deep technical experience in modelling, simulation, flight controls or unmanned systems engineering. A degree in Science, Technology, Engineering or Mathematics, or equivalent experience. Significant relevant experience in complex aerospace, defense, robotics, autonomy or unmanned systems environments. Strong experience using Stateflow for state-machine driven system design. Experience using MATLAB/Simulink projects, including requirements, version control, data dictionaries, test harnesses and model validation. Experience with MATLAB/Simulink code generation for embedded processor deployment. Experience integrating and validating UAV flight control computers, autopilots or flight management systems. Experience creating automated scripts for test data processing and analysis. Experience defining and implementing onboard system data interfaces such as CAN bus, serial connections and Ethernet networks. Experience with FMEA and FHA for unmanned systems, including redundancy and safety-related design considerations. Experience integrating, testing or demonstrating UAS payloads, sensors, comms, RF systems or datalink systems. The ability to obtain SC security clearance. A valid passport and ability to travel internationally where required. C/C++ coding for APIs and embedded applications. Experimental flight testing, in-flight control tuning and flight dynamics system identification. CFD outputs and their application to 6-DOF aircraft models. Field engineering support for remote UAS deployment, diagnostics and repairs. UAV flight test campaign planning, logistics and demonstration trials. UAS deployment regulatory compliance, including Operational Safety Case documentation. Ground Control Station operation or UAV safety pilot competency. Communication systems, datalinks, networks and protocols, including Link 16.Aerospace certification processes, standards and regulations such as DO-178B/C.The Person We Are Looking ForYou will be someone who enjoys solving difficult engineering problems where simulation, control, autonomy and real-world testing meet. Confident moving between modelling, embedded implementation, lab testing and field trials. Comfortable mentoring others and helping junior engineers grow. Able to communicate technical risk clearly to customers, leaders and project teams. Collins Aerospace? At Collins Aerospace, your work will contribute to technologies that support safety, security and mission success across the aerospace and defense sector. You will join a team where advanced engineering is not just theoretical. Testbeds become field trials. And field trials become real-world capability. This is an opportunity to lead, mentor and deliver technical work that sits right at the frontier of unmanned systems engineering. Our BenefitsCompetitive Compensation Package25 days Annual Leave + Public Holidays + option to buy / sell up to 5 days per year Generous Employer Contribution Pension Scheme with 2:1 matched contributions up to 10%Private Medical InsuranceHealth & Wellbeing Cash Plan - (dental/optical/therapy/chiropody/health screening)Life Assurance & Group Income protection scheme participationProfessional Development & Growth Support with professional fees Employee Assistance Program (EAP) Employee Discounts & Flexible Benefits PlatformEmployee Recognition & Referral Bonuses and much more! Apply TodayIf you are an experienced modelling, simulation or flight controls engineer with a passion for unmanned systems, autonomy and real-world engineering delivery, we would like to hear from you. Join Collins Aerospace and help shape the future of aerospace and defense. 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