Early Flight Software Engineer Verified today

Apex Spacecraft · Los Angeles, CA · Software · first seen 2026-07-16

About the Role

As a flight software engineer, you will design, develop, and own the software driving autonomous operation of Apex's satellite buses. You will be responsible for mission-critical systems that operate reliably 24/7 in all scenarios.

You will work closely with internal teams and external customers, aligning your solutions with company objectives and user requirements.

Responsibilities

  • Design, implement and own mission-critical software applications for satellite systems
  • Support commissioning of spacecraft during launch and early operations, ensuring software systems remain functional during critical operations
  • Own spacecraft software solutions through the full lifecycle from initial design to deployment
  • Perform unit testing, integration testing, and system-level testing of software components, identifying and resolving defects
  • Collaborate with cross-functional teams to baseline product requirements and technical roadmaps

Requirements

  • U.S. Person status is required as this position accesses export-controlled data
  • 1+ years of flight software experience
  • Bachelor's degree in Computer Science, Electrical Engineering or equivalent
  • Strong proficiency in Python, C++, or Rust
  • Experience with real-time systems running on distributed hardware
  • Knowledge of embedded Linux operating systems, system administration, and creating Linux distributions (Yocto)
  • Familiarity with satellite systems and protocols such as CCSDS and ECSS
  • Experience with software integration, testing, and validation for real-time and distributed systems
  • Familiarity with network protocols (TCP/IP, UDP), secure communication systems, Protobuf and encryption

What We Offer

  • Equity in Apex
  • 100% company-paid medical, dental, and vision for you and dependents, plus $100k life insurance
  • 15 days vacation annually, growing to 20+ days, plus 10 paid holidays
  • 401(k) plan with 100% match on first 3%, 50% on next 2%
  • 8 weeks paid parental leave plus childcare reimbursement up to $350/day for work-related travel
  • Daily catered lunch and unlimited snacks
  • Monthly office socials, pickleball tournaments, run club, and family gatherings
  • Home office equipment and tools
  • In-person collaboration at Playa Vista office with work-life flexibility