Senior Flight Dynamics Engineer I (Aerospace)

Location: Long Beach, California, United States; based at hirify.global headquarters and working in US offices

Salary: $132,000–$198,000 USD base pay per year, California only

Company

hirify.global builds rockets, spacecraft, and critical space subsystems for commercial, civil, and national security missions.

What you will do

• Develop and analyze launch vehicle and spacecraft trajectories, including ascent, orbit insertion, and orbital maneuvers.
• Perform orbital propagation, rendezvous planning, station-keeping analysis, and collision avoidance for spacecraft operations.
• Support mission design through launch window analysis, delta-V budgeting, and contingency planning.
• Work with flight software and GNC teams to validate and optimize guidance profiles.
• Generate trajectory data products and provide flight dynamics support for mission readiness reviews.
• Develop simulation tools and flight dynamics infrastructure while supporting real-time mission operations, anomaly response, and post-launch analysis.

Requirements

• Bachelor’s degree in Aerospace, Mechanical, Space Systems, or Software Engineering, or an equivalent Engineering or Applied Physics degree.
• 5+ years of experience in mission design and flight dynamics.
• Understanding of orbital mechanics and orbit determination theory.
• Experience with STK, Astrogator, GMAT, Monte, Copernicus, or equivalent mission-analysis tools.
• Python software development, Git or equivalent version control, and Jira or equivalent project-management software.
• Active Secret clearance, ability to obtain TS/SCI, and U.S. citizenship are required.

Nice to have

• Master’s degree in Aerospace Engineering or a related field.
• Active TS/SCI clearance.
• Monte Carlo numerical simulation experience.
• Orbit determination analysis with ODTK, Orekit, or equivalent.
• Team or software project-management experience and the ability to prioritize complex, time-critical work.

Culture & Benefits

• Company stock included in total compensation and an Employee Stock Purchase Program with a 15% discount.
• Medical, dental, and vision coverage, including HMO, PPO, and a zero-cost HDHP option with HSA contribution.
• Paid vacation and sick time, 11 paid holidays, paid parental leave, disability and life insurance, and a 401(k) with company match.
• Additional benefits include subsidized EV charging, fitness and gym discounts, snacks and beverages, and employee discounts.
• Work involves collaboration across systems, software, avionics, GNC, thermal, and propulsion disciplines in a fast-paced mission environment.