Apex - Spacecraft Manufacturing · 3 months ago
Flight Software Engineer (Senior)
Apex is a spacecraft manufacturing company focused on providing access to the galaxy. The role involves designing, developing, and owning mission-critical software for autonomous operation of satellite buses, ensuring reliability and functionality during critical operations.
AerospaceCommercialManufacturing
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
Qualification
Required
U.S. Person status is required as this position needs to access export controlled data
6+ years of total flight software experience
Bachelor's degree in CS, EE or equivalent
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
Benefits
Shared upside: Receive equity in Apex, letting you benefit from the work you create
Best-in-class healthcare: 100% company-paid medical, dental, and vision for you and your dependents, plus $100k life insurance at no cost
Comprehensive PTO package to reset and recharge - starting at 15 days vacation, growing to 20+ days annually, plus 10 paid holidays
Competitive 401(k) plan with generous matching - 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 to keep you fueled throughout the day
Vibrant community: Monthly office BBQs, pickleball tournaments, run club, and social gatherings for you and your family
Your dream desk setup and all the tools you need to be your most productive self
World-class Playa Vista office with EV chargers, with the benefit of in-person collaboration with amazing coworkers and flexibility to integrate work and life
Real impact opportunity: Work alongside experts from aerospace, new space, and other cutting-edge industries to make a lasting difference
Company
Apex - Spacecraft Manufacturing
Apex was founded to solve one of the space industry’s biggest challenges: the satellite production bottleneck.
Funding
Current Stage
Late StageTotal Funding
$522MKey Investors
Interlagos CapitalAndreessen Horowitz
2025-09-12Series D· $200M
2025-04-29Series C· $200M
2024-06-11Series B· $95M
Recent News
2026-01-12
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2026-01-12
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