Flight Software Engineer: Satellite Bus Autonomy

Apex Space, Inc.; Los Angeles (CA); Hybrid; USD 120,000 - 170,000; Full time

Benefits offered by this job

Equity

Healthcare

PTO

401(k) matching

Parental leave

Lunch provided

Office Playa Vista

Impactful work

Job summary

Apex Technology, Inc. in Playa Vista, CA is seeking a Flight Software Engineer to design, develop, and own the software that drives autonomous operation of our satellite buses.

You will build mission-critical systems that run 24/7 and partner with internal teams and customers to deliver reliable software for space missions. We value practical, scalable solutions and hands-on engineers who thrive in a fast-paced startup.

Qualifications

• U.S. Person status is required for access to export controlled data.
• 1+ years of total flight software experience.
• Bachelor’s degree in CS, EE or equivalent.
• Strong proficiency in Python, C++, and Rust.
• Experience with real time systems running on distributed hardware.
• Knowledge of embedded Linux operating systems, system administration and Yocto.
• Familiarity with satellite protocols such as CCSDS and ECSS.
• Experience with software integration, testing, and validation for real-time and distributed systems.
• Familiarity with TCP/IP, UDP, 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.

Skills

Python

C++

Rust

Flight software

Real-time systems

Embedded Linux

Yocto

CCSDS

ECSS

Protobuf

TCP/IP

Encryption

Education

Bachelor’s degree in CS, EE or equivalent

Tools

Yocto

CCSDS

ECSS

Protobuf

TCP/IP

Job description

Apex Technology, Inc. in Playa Vista, CA is seeking a Flight Software Engineer to design, develop, and own the software that drives autonomous operation of our satellite buses.

You will build mission-critical systems that run 24/7 and partner with internal teams and customers to deliver reliable software for space missions. We value practical, scalable solutions and hands-on engineers who thrive in a fast-paced startup.