Flight Control Systems Engineer (Permanent)

Background Prismatic is a technology development company, specialising in the design, manufacture and delivery of innovative, high value aerospace products and systems. Prismatic is a subsidiary of BAE systems, led by a technically and commercially focused team. Our cutting-edge systems (such as the high-altitude PHASA-35) have clear commercial value, are developed at pace and address critical customer needs. The Flight Control Systems (FCS) Engineer is responsible for the design, development, integration, verification, and validation of flight control laws and architectures for Uncrewed Aerial Systems (UAS). The role covers fixed-wing, rotary-wing, or hybrid platforms, supporting autonomous and remotely piloted aircraft. The engineer works across the full V-model lifecycle, from requirements capture through flight testing and certification, ensuring compliance with UK CAA, EASA, and airworthiness standards. Design control architectures for autonomous and remotely piloted operations. Support sensor fusion inputs (IMU, GNSS, air data, vision-based navigation). Modelling, Simulation & Analysis Create and maintain 6-DOF nonlinear aircraft models. Perform stability and control analysis, gain scheduling, and robustness studies. Conduct Monte Carlo simulations and worst-case analysis. Support SIL, PIL, and HIL testing activities. Systems Engineering & Integration Support integration of autopilots, flight computers, and actuators. Support ground testing, iron bird, and flight test campaigns. Analyse flight test data and tune control laws accordingly. NB this role involves deployment overseas up to a maximum of 8 weeks a year; Degree in Aerospace Engineering, Control Engineering, Mechanical Engineering, or similar. Aircraft stability and control. Ability to obtain UK security clearance. Embedded flight control software. Programming skills in C/C++, Python, or similar. Typical Tools & Technologies Configuration management tools (Git, SVN). Contract: Permanent, 37.5 hours per week (excluding breaks). Hybrid working (where applicable), giving you the flexibility to balance time between home and our offices (norm is 3 days a week). Bonus: Non contractual company performance related bonus. Pension: 10% company contribution, plus salary exchange options for AVCs. Green Benefits: Access to our Green Car/EV scheme via salary exchange. Annual Leave: 25 days plus bank holidays (rising to 28 days after 3 years’ service). Employee Schemes: Eligibility for the BAE Systems Share Incentive Scheme, Company Performance Free Share awards, Cycle to Work scheme, and a Halfords Trade Discount Card. Community & Culture: Access to Occupational Health support, including an Employee Assistance Programme (EAP). That you have been a UK resident for at least 5 years and can meet any required background checks (or security clearance requirements where applicable). Inclusion We’re committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our team and is vital to the work we do. Proud to Support the Armed Forces Community We recognise that the discipline, teamwork, problem-solving skills, and resilience gained through military life are a huge asset to our organisation.