Senior Spacecraft GNC Engineer I

Location: Littleton, Colorado, United States; based at hirify.global’s site. U.S. citizenship is required, and the position requires the ability to maintain and obtain a security clearance. Coordination is required with teams in Long Beach, California, and New Zealand.

Base salary: $114,000–$172,000 USD annually. Total compensation, including base and equity: $168,000–$199,000 USD annually.

Company

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

What you will do

• Lead GNC and ADCS development for spacecraft supporting LEO, MEO, GEO, lunar, interplanetary, reentry, and RPOD missions.
• Design flight software, algorithms, simulations, spacecraft autonomy tools, GNC components, and GNC subsystems.
• Develop and execute test processes, including hardware-in-the-loop and Monte Carlo simulations.
• Integrate flight and simulation software with analysis, testing, and operations tools; define fault detection and response.
• Support internal and external design reviews and interact directly with aerospace customers.
• Mentor the GNC team, coordinate with Systems, Avionics, Flight Software, Mission Operations, and Ground Software, and maintain schedules, milestones, and technical status.

Requirements

• Bachelor’s degree and 5+ years of industry experience in GNC/ADCS.
• Ability to maintain and obtain a security clearance.
• U.S. citizenship is required due to program requirements.
• Direct experience interfacing with aerospace customers in commercial or government sectors.

Nice to have

• MS or PhD.
• Active TS/SCI clearance.
• 2+ years of RPOD design and operations experience.
• Experience with Jira planning and workflow.
• Experience mentoring younger engineers and leading teams across a project lifecycle.
• Hands-on experience with IMUs, reaction wheels, star trackers, gyroscopes, and other GNC hardware.
• Experience developing blended attitude solutions from multiple sensor data sources.
• Experience developing, implementing, and verifying flight software.
• Experience with spacecraft on-orbit operations and anomaly resolution.
• Experience working on multiple projects simultaneously, prioritizing team work, and performing GNC-related business development or conceptual design.

Culture & Benefits

• Employee stock ownership through company equity and an Employee Stock Purchase Program with a 15% discount.
• Medical, dental, and vision coverage; flexible spending and dependent care accounts.
• Paid vacation, sick time, 11 paid holidays, paid parental leave, disability and life insurance.
• 401(k) retirement plan with company match and additional discounts and perks.
• Work includes prolonged sitting, standing, walking, and computer work, with occasional exposure to moderate noise, dust, and fumes in production areas.