Guidance and Control Engineer Sr (Aerospace)

Location: Greater Seattle Area, Washington; applicants must be U.S. citizens or nationals, U.S. permanent residents, or lawfully admitted refugees or asylees.

Base pay for Washington applicants: $197,529.00–$276,539.55 per year; other site ranges may differ.

Company

hirify.global develops reusable, safe, and low-cost space vehicles and systems, including the New Glenn heavy-lift orbital launch vehicle.

What you will do

• Design and develop guidance, control, and sequencing algorithms for New Glenn across all flight phases.
• Define GN&C requirements with subsystem and software flow-downs and verification methods.
• Build Simulink algorithms for auto-code generation and implement hand-coded flight software in C/C++ where appropriate.
• Assess stability, performance, and robustness using linear and nonlinear models and Monte Carlo simulations.
• Author unit tests, support code coverage and formal verification, and integrate hardware-in-the-loop test campaigns.
• Validate plant models with test and flight data, coordinate vehicle-level analyses, and lead root-cause investigations and peer reviews.

Requirements

• B.S. in aerospace engineering, mechanical engineering, or a related engineering discipline.
• 7+ years of experience in aerospace guidance and control or simulation.
• Proficiency in MATLAB/Simulink for algorithm design and analysis.
• Experience designing, testing, and flying aerospace guidance and control systems.
• Strong technical writing and verbal communication skills.
• Eligibility: U.S. citizenship or nationality, U.S. permanent residence, or lawful admission as a refugee or asylee is required under export control regulations.

Nice to have

• M.S. or Ph.D. in aerospace engineering, mechanical engineering, or a related discipline.
• Knowledge of classical and modern control design techniques.
• Experience with C/C++ flight software, Simulink auto-code generation, Monte Carlo analysis, and statistical performance characterization.
• Experience supporting hardware-in-the-loop or flight test campaigns and validating plant models with test or flight data.
• Python scripting for analysis, automation, or data processing.
• Familiarity with flight software verification, including unit testing, code coverage, and requirements traceability.
• Experience mentoring junior engineers or leading cross-disciplinary technical trades.

Culture & Benefits

• Full-time employment within a safety-focused, collaborative, and inclusive workplace.
• Medical, dental, vision, life insurance, disability coverage, paid parental leave, and an education support program.
• 401(k) with company match of up to 5% and stock options for regular employees working at least 20 hours per week.
• Up to four weeks of paid time off per year based on scheduled hours and up to 14 company-paid holidays.
• Additional benefits or bonuses may depend on role type and job level and are not guaranteed.