Senior Flight Dynamics Engineer II (Aerospace)

Location: Littleton, Colorado, United States; onsite at hirify.global's site. U.S. citizenship is required due to program requirements and U.S. space technology export regulations.

Base salary: $135,000–$175,000 USD per year, plus potential stock and cash incentives.

Company

hirify.global is an end-to-end space company building rockets, spacecraft, and critical space systems and subsystems for commercial, civil, and national security missions.

What you will do

• Develop and analyze launch vehicle and spacecraft trajectories for ascent, orbit insertion, and orbital maneuvers.
• Perform orbital propagation, rendezvous planning, and station-keeping analysis 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.
• Contribute to simulation tools and flight dynamics infrastructure while supporting real-time mission operations, anomaly response, and post-launch analysis.

Requirements

• Bachelor's degree in Aerospace, Space Systems, Engineering, Applied Physics, or an equivalent field.
• 8+ years of experience in mission design and flight dynamics.
• Knowledge of orbital mechanics, spaceflight dynamics, maneuver design, orbit determination, and Kalman filtering.
• 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.
• U.S. citizenship is required; employment may also be subject to ITAR eligibility and authorization requirements.

Nice to have

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

Culture & Benefits

• Collaborative work with Systems, Ground Software, Electrical, Avionics, Flight Software, Thermal, Propulsion, and GNC specialists.
• Medical, dental, and vision insurance.
• 401(k) retirement plan options, paid vacation, holidays, sick leave, and parental leave.
• Potential company stock, cash incentives, and access to a discounted employee stock purchase program.
• The role may involve prolonged sitting, standing, walking, computer work, and occasional exposure to moderate noise, dust, and fumes in production areas.