Flight Dynamics Engineer II (Space Systems)

Location: Long Beach, California, United States; onsite at hirify.global headquarters. U.S. citizenship is required due to program requirements, and the position requires an active Secret clearance or the ability to obtain and maintain one. U.S. Government ITAR eligibility requirements also apply.

Base pay: $115,000–$172,000 USD annually for California-based employees. Company stock is included in total compensation.

Company

hirify.global is an end-to-end aerospace company building rockets, spacecraft, and critical subsystems for commercial, scientific, lunar, interplanetary, 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 budgets, and contingency planning.
• Interface with flight software and GNC teams to validate and optimize guidance profiles.
• Generate trajectory data products, support mission readiness reviews, and contribute to simulation tools and flight dynamics infrastructure.
• Support real-time mission operations, anomaly response, and post-launch data analysis.

Requirements

• Bachelor’s degree in Aerospace, Space Systems, or Software Engineering, or an equivalent Engineering or Applied Physics degree.
• 2+ years of experience in mission design or flight dynamics.
• Understanding of orbital mechanics and orbit determination theory.
• Mission analysis experience with STK, Astrogator, GMAT, Monte, Copernicus, or an equivalent tool.
• Python software development experience.
• Git or an equivalent version control system, and Jira or equivalent software project management tools.
• Active Secret clearance or the ability to obtain and maintain one.
• U.S. citizenship is required due to 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 an equivalent tool.
• Team or software project management experience.
• Ability to work on complex problems under time pressure and prioritize tasks with multiple stakeholders.

Culture & Benefits

• Collaborative work with Systems, Ground Software, Electrical, Avionics, Flight Software, Thermal, Propulsion, and GNC engineering teams.
• Paid vacation and sick time, 11 paid holidays, paid parental leave, disability and life insurance.
• Medical, dental, and vision coverage; HMO, PPO, and zero-cost HDHP options; HSA, flexible spending, and dependent care accounts.
• 401(k) retirement plan with company match and Employee Stock Purchase Program with a 15% discount.
• Additional perks include subsidized EV charging, fitness and gym benefits, snacks and beverages, and employee discounts.
• The role may involve prolonged sitting, standing, walking, computer work, and occasional exposure to moderate noise, dust, and fumes in production areas.