Flight Control Laws Engineer

Responsibilities

• Design, implement, and verify flight control laws for eVTOL aircraft across all flight phases.
• Develop and maintain linear and nonlinear simulation models for stability, handling qualities, and robustness evaluation.
• Conduct open-loop and closed-loop analysis (time-domain and frequency-domain) to ensure compliance with certification standards (e.g., ADS-33E, MIL-STD-1797, EASA SC-VTOL, FAA Part 23/25/27/29).
• Formulate test plans and procedures to validate control law performance in SIL, HIL, and flight test environments.
• Provide direct flight test support, including preparation of test cards, planning of control law evaluation maneuvers, and real-time monitoring during test campaigns.
• Analyze flight test data to refine control law design, validate models, and ensure compliance with handling quality requirements.
• Support real-time implementation of control algorithms on safety-critical avionics and flight control computers.
• Collaborate with systems engineering, avionics, and flight test teams to ensure seamless integration and certification readiness.
• Document designs, analyses, and test results in a form suitable for regulatory authorities and certification partners.

Requirements

• Senior-level understanding of aircraft and rotorcraft flight dynamics, including aeroservoelastic effects.
• Strong background in modern control techniques (e.g., robust control, optimal control, gain scheduling, loop-shaping).
• Proven experience in designing cascaded control architectures (inner/outer loops, mixing matrix, envelope protection).
• Proficiency in MATLAB/Simulink for control system modeling, analysis, and auto-code generation.
• Experience with linear analysis methods (eigenvalue analysis, Bode/Nyquist, Nichols plots) and stability margin assessment.
• Familiarity with software development for real-time or safety-critical applications (C/C++).
• Hands-on experience with sensor fusion, filtering (Kalman, complementary, α-β), and real-time signal processing.

Nice to have

• Experience in system identification techniques and data-driven modeling for flight dynamics.
• Background in designing flight envelope protections, turn coordination, and advanced guidance modes.
• Familiarity with requirements-based development and certification processes (DO-178C, DO-160, SAE ARP4754A/4761).
• Practical exposure to flight testing, including control law evaluation, parameter estimation, and pilot-in-the-loop testing.
• Experience with flight automation algorithms for both multicopter (over-actuated systems) and conventional aircraft.
• Knowledge of automatic differentiation tools, optimization frameworks, and control allocation methods.
• Strong ability to communicate technical results clearly to both engineering teams and certification authorities

Benefits

• 115 days off per year（Saturday / Sundays / Newyear holidays（12/29～1/3） / Company designated holidays）
• Annual paid leave
• Refresh leave (Granted after 1, 3, 4, 5 years of service)
• Commuting allowance, business trip allowance, moving allowance, etc.
• Relocation Packages
• Health insurance
• Employee pension (according to Japan standards)
• Employment insurance
• Worker’s accident compensation insurance