Flight Software Engineer III (C/C++)

Location: Denver, Colorado; travel expected up to 15% of the time. Relocation is provided.

Salary: $150,931.00–$211,303.05 base pay for Colorado applicants; other site ranges may differ.

Company

hirify.global develops reusable, safe, and low-cost space vehicles and systems, including spacecraft and launch systems for national security missions.

What you will do

• Design, develop, integrate, and test embedded avionics software in C and C++ for spacecraft subsystems.
• Implement and verify software requirements from system and subsystem specifications while maintaining traceability.
• Develop multi-threaded, real-time software and test environments.
• Lead debugging of complex software and hardware/software integration issues, anomaly investigations, and root cause analysis.
• Define interfaces with avionics, systems engineering, and other spacecraft subsystems.
• Support design and code reviews, integration and test campaigns, mission readiness, and technical communication with program leadership.

Requirements

• B.S. degree or equivalent experience in computer, aerospace, electrical engineering, or a related field.
• 5+ years of embedded software development and testing experience, including multi-threaded programming and real-time systems, particularly in C/C++.
• Experience implementing and verifying requirements.
• Familiarity with Agile and DevOps processes and culture.
• Effective communication with program and technical leadership.
• Ability to build trust, maintain positive professional relationships, and strengthen an inclusive culture.
• Must be a U.S. citizen or national, U.S. permanent resident with a current Green Card, or lawfully admitted into the U.S. as a refugee or granted asylum.

Nice to have

• Experience across multiple spacecraft development and operations phases, including design, integration, verification, on-orbit checkout, mission operations, and anomaly resolution.
• Experience with complex, multi-component avionics for spacecraft, aircraft, or similar systems.
• Experience with multiple concurrent product baselines or product line engineering.
• Experience with autonomy, sequencers, state machines, or fault management using NPR 7150.2, DO-178, or similar safety- or mission-critical software standards.
• Understanding of spacecraft operations, subsystem functions, interfaces, and common interactions.
• Experience with embedded Linux or equivalent real-time operating systems.

Culture & Benefits

• Work in a culture focused on safety, collaboration, inclusion, trust, and teamwork.
• Medical, dental, vision, life insurance, paid parental leave, disability coverage, and an Education Support Program.
• 401(k) with company match of up to 5% and stock options for regular employees working at least 20 hours per week.
• Up to four weeks of paid time off per year based on scheduled hours and up to 14 company-paid holidays.
• Benefits and bonuses may depend on role type and job level and are not guaranteed.

Hiring process

• Interviews include a technical assessment.
• A standard background check is required; additional checks may apply if the role requires access to a military installation or other regulated duties.