Flight Software Engineer III (Spacecraft)

Location: Onsite near Denver, Colorado, or Long Beach, California, United States

Base salary: $120,000–$180,000 per year, plus equity and benefits.

Company

hirify.global develops autonomous spacecraft, advanced payloads, mission software, and space-based interceptors for U.S. and allied space-security missions.

What you will do

• Lead design, development, integration, and testing of flight software for spacecraft computers and processing units.
• Integrate GNC algorithms with flight software and maintain command and telemetry database definitions.
• Lead spacecraft command scripting and sequencing for ground, on-orbit testing, and missions.
• Design satellite subsystem simulators for HITL and SITL environments.
• Develop reusable device drivers, hardware interfaces, and communication protocol libraries.
• Conduct code reviews, guide architecture decisions, and mentor junior flight software engineers.

Requirements

• Bachelor’s degree in computer science, electrical engineering, computer engineering, or a related field.
• 4–7 years of experience with low-level firmware architecture, design, and development, including device drivers and safety-critical systems.
• Experience with embedded RTOS platforms such as RTLinux or Azure RTOS.
• Familiarity with Ethernet, SPI, I2C, CAN, RS422, RS485, UDP, and TCP/IP.
• Proficiency in C/C++ and Python.
• Must be able to maintain or obtain TS/SCI clearance and meet U.S. space-technology export requirements, including qualifying U.S. citizenship, lawful permanent residence, protected-individual status, or applicable authorization.

Nice to have

• Master’s degree in a relevant engineering or computer science field.
• Experience developing or producing flight software for space applications.
• Experience with version control, continuous integration, continuous delivery, embedded Linux, and embedded development tools.
• Experience with microcontrollers, application processors, oscilloscopes, protocol analyzers, robotics, automation, motor control, or sensor fusion.
• Experience mentoring or leading small technical teams.

Culture & Benefits

• Work across spacecraft design, analysis, manufacturing, testing, and flight.
• Innovation- and speed-oriented engineering environment.
• Company-paid medical, dental, and vision coverage with HSA/HRA options.
• Flexible time off or accrued PTO, paid holidays, parental leave, and sick leave.
• 401(k), fitness reimbursement, catered lunches for in-office employees, snacks, and equity participation.