Senior Spacecraft Flight Software Engineer — Equity & Impact

Apex Technology, Inc.

Los Angeles (CA)

On-site

USD 140,000 - 220,000

Full time

14 days+

Get a reply from this employer

Your resume and cover letter, tailored to exactly what they’re hiring for.

Get past ATS filters

Benefits offered by this job

Equity and stock options

Healthcare (medical, dental, vision)

PTO 15–20 days + holidays

401(k) with matching

Job summary

Apex Technology, Inc. is seeking an experienced Flight Software engineer to design, develop, and own the software that brings our spacecraft to life. You will work across high-level application, OS, and embedded software teams to enable autonomous operation 24/7, collaborating with mission operations, GNC, and hardware teams.

Ideal candidates have 8+ years in flight software, proficiency in C++, Python, or Rust, and U.S. citizenship with TS clearance.

Qualifications

U.S. Citizenship and ability to access export-controlled data.
Active Top Secret clearance with SCI access and SAP eligibility.
8+ years of total flight software experience.
Bachelor’s degree in CS, EE, or equivalent.
Strong proficiency in C++, Python, or Rust.

Responsibilities

Design, develop, and own mission-critical software for satellite systems throughout the full software lifecycle, from initial architecture and development through deployment and operations.
Develop rapid, iterative software to support bench and development testing, and robust, validated software for manufacturing and flight systems.
Plan and execute unit, integration, and system-level testing of satellite components, diagnosing defects to ensure software quality, reliability, and performance.
Collaborate with systems, hardware, test, and operations teams to establish product requirements, define technical roadmaps, and drive execution.
Support spacecraft commissioning during launch and early operations, troubleshooting software and ensuring critical flight systems remain functional and reliable.