Flight software engineer

Proteus Space

Los Angeles (CA)

Hybrid

USD 120,000 - 180,000

Full time

14 days+

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Job summary

Proteus Space is hiring a Flight Software Engineer in Los Angeles, CA. The role focuses on designing, implementing, and maintaining flight software for spacecraft with core control algorithms and fault management logic.

You will work with embedded platforms, hardware-in-the-loop environments, and ground tools, writing production-quality code and reviewing it regularly. Collaboration with systems, hardware, and AI&T teams is essential to drive reliable, iterative software architectures.

Qualifications

Strong Computer Science fundamentals including data structures, algorithms, and operating systems.
Proficiency in software development for embedded or real-time systems.
Experience with OOP and modern software design patterns.
Familiarity with backend concepts, APIs, and distributed systems for ground software interfaces.
Experience with C, C++, Rust and Python as programming languages.
Comfort with Linux-based development environments, build systems, and Git.
Background in aerospace, robotics, or other safety-critical or real-time applications is a plus.
Bachelor’s or advanced degree in Computer Science, Engineering, or related field, or equivalent practical experience.
Ability to work collaboratively in cross-functional teams, communicate clearly, and own projects from design through deployment.

Responsibilities

Designing, implementing, and maintaining flight software for spacecraft, including core control algorithms, communication interfaces, and fault management logic.
Writing and reviewing production-quality code, integrating software with hardware-in-the-loop test environments, and debugging across embedded platforms and ground tools.
Collaborating with systems, hardware, and AI&T teams to define requirements, ensure reliability, and support rapid iteration on flight software architectures.
Contributing to internal documentation, participating in design reviews, and improving development workflows and tooling.

Skills

CS fundamentals

Embedded/real-time

OOP & design patterns

Backend APIs & distributed systems

C/C++/Rust & Python

Linux/Git

Aerospace/Robotics safety-critical

Team collaboration

Education

Bachelor's or advanced degree in CS/Engineering

Job description

Company Description

Proteus Space accelerates the spacecraft definition and Assembly, Integration & Test (AI&T) life cycle from years to months, enabling customers to field responsive space assets on radically shorter timelines. The company delivers full design packages with Hardware-in-the-Loop (HIL) validation, providing greater confidence in performance before deployment. Its approach combines transformational speed and scale with robust technical rigor, appealing to teams focused on rapid prototyping and innovation in space systems. Design specifications are supported by Government Purpose Data Rights and customer-owned deliverables, giving partners long-term control and flexibility over their solutions.

Role Description

The Flight Software Engineer is a full-time, hybrid role based in Los Angeles, CA, with flexibility for some work-from-home days. This role focuses on designing, implementing, and maintaining flight software for spacecraft, including core control algorithms, communication interfaces, and fault management logic. Day-to-day activities include writing and reviewing production-quality code, integrating software with hardware-in-the-loop test environments, and debugging issues across embedded platforms and ground tools. The engineer collaborates closely with systems, hardware, and AI&T teams to define requirements, ensure reliability, and support rapid iteration on flight software architectures. Responsibilities also include contributing to internal documentation, participating in design reviews, and improving development workflows and tooling.

Qualifications