Senior Flight Dynamics Engineer II - Secret Clearance (Space Systems)

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

Base pay range: $162,000–$270,000 USD annually for California employees.

Company

hirify.global is an end-to-end aerospace company building rockets, spacecraft, and critical space systems for commercial, exploration, national security, and defense 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, 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 data analysis.

Requirements

• Bachelor’s degree in Aerospace, Mechanical, Space Systems, or Software Engineering, or an equivalent Engineering or Applied Physics degree.
• 8+ 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 equivalent tools.
• Python software-development experience.
• Git or an equivalent version-control system, and Jira or equivalent project-management software.
• Active Secret clearance with the ability to obtain TS/SCI clearance.
• U.S. citizenship is required due to program requirements.
• For U.S. office roles, candidates must meet applicable ITAR authorization 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.
• Team or software project-management experience.
• Ability to work through complex problems under time pressure and prioritize tasks with stakeholders.

Culture & Benefits

• Fast-paced environment focused on hard problems, innovation, teamwork, and tight deadlines.
• Company stock and an Employee Stock Purchase Program with a 15% discount.
• Medical, dental, vision, HSA, FSA, dependent-care, disability, and life-insurance plans.
• Paid vacation and sick time, 11 paid holidays, paid parental leave, and a 401(k) with company match.
• Additional perks include EV-charging subsidies, fitness and gym benefits, snacks and beverages, and employee discounts.
• Work may involve prolonged sitting, standing, walking, computer work, and occasional exposure to moderate noise, dust, and fumes in production areas.