Embedded Flight Software Engineer for Spacecraft

Socket.dev; Broomfield (CO); On-site; USD 115,000 - 155,000; Full time

Benefits offered by this job

Relocation bonus

Employee stock option

Comprehensive benefits

Unlimited PTO

Job summary

Katalyst is a leader in dynamic space operations, building modular spacecraft for advanced missions. We seek an experienced embedded software engineer to own flight software from requirements to on-orbit operations, ensuring deterministic behavior and robust fault handling.

You will integrate with avionics and ground systems, and drive end-to-end test capabilities in a fast-paced team. The role emphasizes real-time control, sensor commands, telemetry, and system-level debugging in a challenging

Qualifications

• Bachelor's degree in Computer Science, Computer or Electrical Engineering, or a related technical discipline.
• 3+ years of experience developing embedded or flight software for aerospace or mission-critical systems.
• Ownership of embedded software from requirements through deployment and support.
• Strong C/C++ and real-time, embedded software fundamentals.

Responsibilities

• Develop and own embedded flight software from requirements to operations.
• Implement real-time software for control, data handling, telemetry, timing, and health monitoring.
• Translate mission requirements into software interfaces, state machines, and testable specs.
• Integrate software with avionics, GNC, power, payloads, and ground software, resolving system-level issues.
• Build and maintain unit, integration, and hardware-in-the-loop tests; use telemetry for root-cause analysis.
• Design for deterministic behavior, fault tolerance, and safe-state recovery in mission-critical environments.
• Ensure software quality through reviews, CM, testing evidence, and flight-readiness contributions.

Skills

C/C++

RTOS / embedded Linux

Embedded software

Hardware integration

Technical communication

System-level debugging

Education

Bachelor's degree in Computer Science or related field

Tools

CAN bus

SpaceWire

Ethernet

RS-422/485

SPI

I2C

UART

Job description

Katalyst is a leader in dynamic space operations, building modular spacecraft for advanced missions. We seek an experienced embedded software engineer to own flight software from requirements to on-orbit operations, ensuring deterministic behavior and robust fault handling.

You will integrate with avionics and ground systems, and drive end-to-end test capabilities in a fast-paced team. The role emphasizes real-time control, sensor commands, telemetry, and system-level debugging in a challenging