Senior HITL Test Engineer for Satellite Testbeds

Astranis Space Technologies Corp.; San Francisco (CA); On-site; USD 150,000 - 215,000; Full time

Benefits offered by this job

Equity

Health insurance

401(k) retirement plan

Flexible PTO

On‑site meals

Job summary

Astranis Space Technologies Corp. seeks a HITL Test Engineer to design, build, and maintain hardware‑in‑the‑loop testbeds that validate satellites before flight.

You will partner with Flight Software, GN&C, Avionics, Power, Payload, and Mission Ops to ensure testbeds are flight‑representative and reliable. The role covers full testbed lifecycles, from design through procurement, with on‑call rotations and opportunities to grow the team in a fast‑paced environment.

Qualifications

• Bachelor's degree in EE, AE, CS or equivalent.
• 2–5+ years hardware integration or test engineering.
• Experience with embedded systems and lab hardware.
• Proficient in Python for test automation.
• Strong debugging and documentation skills.
• Excellent written and verbal communication.

Responsibilities

• Own the full lifecycle of flatsat and HITL testbed builds, from initial design to hardware procurement and software bring‑up.
• Coordinate harness design with manufacturing for flight‑like hardware.
• Serve on rotating on‑call for testbed health and access for engineers.
• Diagnose and resolve hardware and software failures on testbeds.
• Drive testbed architecture decisions including hardware allocation and risk mitigation.
• Expand simulation capabilities as new satellite blocks come online.
• Develop tooling to improve testbed observability and automated operations.
• Assist in recruiting and hiring teammates.

Skills

Python

Linux

Embedded systems

Hardware integration

Diagnostics

Schematic reading

Version control

Communication

Test automation

On‑call support

Education

Bachelor's degree in EE/AE/CS

Tools

Oscilloscopes

Logic analyzers

EGSE

Job description

Astranis Space Technologies Corp. seeks a HITL Test Engineer to design, build, and maintain hardware‑in‑the‑loop testbeds that validate satellites before flight.

You will partner with Flight Software, GN&C, Avionics, Power, Payload, and Mission Ops to ensure testbeds are flight‑representative and reliable. The role covers full testbed lifecycles, from design through procurement, with on‑call rotations and opportunities to grow the team in a fast‑paced environment.