Flight Dynamics Engineer II

Location: Long Beach, California, United States; based out of hirify.global headquarters

Base pay range: $100,000–$135,000 USD annually.

Company

hirify.global is an end-to-end space company developing rockets, spacecraft, and critical subsystems for commercial, scientific, 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 design for spacecraft operations.
• Support mission design through launch-window analysis, delta-V budgets, and contingency planning.
• Interface 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.
• At least 2 years of experience in mission design or flight dynamics.
• Knowledge of orbital mechanics and orbit determination theory.
• Experience with STK, Astrogator, GMAT, Monte, Copernicus, or equivalent mission-analysis tools.
• Python development, Git or equivalent version control, and Jira or equivalent project-management software.
• Active Secret clearance or the ability to obtain and maintain one; U.S. citizenship is required for program requirements.

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 tools.
• Experience managing teams or software projects and solving complex problems under time pressure.

Culture & Benefits

• Employee stock ownership through company stock and an Employee Stock Purchase Program with a 15% discount.
• Medical, dental, and vision coverage, including HMO, PPO, and zero-cost HDHP options with HSA contributions.
• Paid vacation, sick time, holidays, 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 close collaboration across systems, software, avionics, propulsion, thermal, and GNC disciplines in a fast-paced environment.