Senior Software Engineer, Operating Systems

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Senior Software Engineer, Operating Systems in USA

Apex Technology, Inc.
Full time
Email

USA
10/20/2026
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Los Angeles, CA

Responsibilities

Develop low-level software that configures and drives processor peripherals and communication interfaces on avionics.
Develop, configure, and maintain embedded Linux platforms and bootloader frameworks using Yocto, Buildroot, WolfBoot, and U-Boot.
Design, implement, and validate firmware update mechanisms, including bootloader integration, secure firmware deployment, and recovery procedures.
Design and implement security enhancements across complex software architectures to improve system integrity, resilience, and secure operation.
Collaborate with mission operations, GNC, and hardware teams to architect, prototype, and deliver mission-critical spacecraft software.

Requirements

U.S. Person status is required, or the applicant must be able to obtain required export authorizations.
Bachelor’s degree in computer science, electrical engineering, or equivalent professional experience.
8+ years of experience writing operating-system code, ideally with Yocto or embedded Linux on spacecraft, robotics, automotive, or other hardware interacting with the physical world.
Strong proficiency in programming languages such as Python, C++, or Rust.
Preferred: experience with mission-critical satellite software across prototyping, deployment, troubleshooting, and flight operations.
Preferred: experience with embedded Linux platforms, bootloader frameworks, avionics bring-up, hardware/software integration, schematic analysis, and hardware debugging with oscilloscopes and logic analyzers.
Preferred: familiarity with spacecraft attitude-control systems, including reaction wheels, magnetorquers, thrusters, and associated sensors.
Preferred: experience designing secure systems and firmware update and recovery mechanisms.

Benefits

Equity in Apex through stock options.
Company-paid medical, dental, and vision coverage for employees and dependents, plus $100,000 life insurance at no cost.
Paid time off starting at 15 vacation days and growing to 20+ days annually, plus 10 paid holidays.
401(k) plan with a 100% match on the first 3% and a 50% match on the next 2%.
Eight weeks of paid parental leave and childcare reimbursement of up to $350 per day for work-related travel.
Daily catered lunch and unlimited snacks.
Office socials, pickleball tournaments, run club, and family gatherings.
Tools and equipment for a personalized desk setup.
Work is based at the Playa Vista office with in-person collaboration and flexibility to integrate work and life.

Salary: $185k - $250k/yr

Apex Technology, Inc.

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