Senior Flight Dynamics Engineer I (Aerospace)

Location: Long Beach, California, United States; based at hirify.global headquarters. U.S. citizenship is required, and the role requires an active Secret clearance or the ability to obtain and maintain one. U.S. export-control eligibility is also required for work in U.S. offices.

Base salary: $132,000–$198,000 USD annually. Total compensation including equity: $152,000–$233,000 USD annually.

Company

hirify.global is an end-to-end space company developing rockets, spacecraft, payloads, and critical subsystems for commercial, exploration, national security, and defense 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.
• 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.
• Contribute to simulation tools and flight dynamics infrastructure while supporting real-time mission operations, anomaly response, and post-launch data 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.
• 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 an equivalent software project-management tool.
• 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 and/or software project-management experience.
• Ability to work on complex problems under time pressure and prioritize tasks with a range of stakeholders.

Culture & Benefits

• Collaborative, multidisciplinary work across Systems, Ground Software, Electrical, Avionics, Flight Software, Thermal, Propulsion, and GNC engineering.
• 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.
• Employee stock purchase program with a 15% discount and company equity as part of total compensation.
• Additional benefits include flexible spending and dependent-care accounts, subsidized EV charging, fitness and gym discounts, 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.