Senior HITL Test Engineer (Aerospace)

TL;DR

Senior HITL Test Engineer (Aerospace): Designing, building, and maintaining hardware-in-the-loop (HITL) testbeds for advanced satellite systems with an accent on flight-representative hardware integration and test automation. Focus on diagnosing complex hardware/software failures, driving testbed architecture decisions, and ensuring system reliability for mission-critical satellite operations.

Location: Must be based in San Francisco, CA, USA. U.S. Citizenship, Lawful Permanent Residency, or Refugee/Asylee Status Required.

Salary: $150,000 - $215,000 USD

Company

hirify.global builds advanced satellites for high orbits, providing dedicated, secure networks to global enterprises, sovereign governments, and the US military.

What you will do

• Own the full lifecycle of flatsat and HITL testbed builds from design to software bring-up.
• Coordinate with manufacturing to scope and design custom harnesses for flight-like hardware.
• Diagnose and resolve hardware and software failures across firmware, flight software, and physical components.
• Drive testbed architecture decisions, including hardware allocation and risk mitigation.
• Expand simulation capabilities by integrating motor emulators and deployment simulators.
• Develop tooling to improve testbed observability, monitoring, and automated operations.

Requirements

• U.S. Citizenship, Lawful Permanent Residency, or Refugee/Asylee Status required for export compliance.
• Bachelors degree in EE, AE, CS or equivalent background.
• 2-5+ years of experience in hardware integration, systems bring-up, or test engineering.
• Experience with embedded systems, EGSE, and laboratory hardware like logic analyzers and oscilloscopes.
• 2+ years of experience with Python for test automation.
• 1+ years of experience with Linux, shell tools, and version control systems.
• Ability to read schematics and debug circuits interfacing with embedded software.

Nice to have

• Familiarity with flight software architectures, telemetry systems, or simulation frameworks.
• Experience with networked lab infrastructure, Kubernetes, or Linux system administration.

Culture & Benefits

• Significant equity package via incentive stock options.
• High-quality company-subsidized healthcare, disability, and life insurance.
• 401(k) retirement planning.
• Flexible PTO and free on-site catered meals.
• Collaborative environment working with a team of 450 engineers and entrepreneurs.