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Apex - Spacecraft Manufacturing Logo

Flight Software Engineer (Senior)

Apex - Spacecraft Manufacturing

$185,000 - $215,000
Aug 28, 2025
Los Angeles, California, US
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Apex manufactures satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. As a member of the Flight Software team, you will design, develop, and own the software driving the autonomous operation of Apex’s satellite buses.

Requirements

  • 6+ years of total flight software experience
  • Strong proficiency in programming languages such as Python, C++, 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.

Responsibilities

  • Design, implement and own mission critical software applications for satellite systems.
  • Support commissioning of spacecraft during launch and early operations and ensure 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 any defects or issues.
  • Collaborate with cross-functional teams to baseline product requirements and technical roadmaps.

Other

  • U.S. Person status is required as this position needs to access export controlled data.
  • Bachelor’s degree in CS, EE or equivalent.