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eSpace · 2 months ago

Senior Test Engineer — FSW/Avionics HIL

Saratoga, CA

Full-time

Onsite

Senior Level

$130K/yr - $190K/yr

5+ years exp

E-Space is a company focused on making connectivity from space accessible and actionable. The Senior Test Engineer will lead the design, development, and maintenance of automated hardware-in-the-loop test systems, ensuring the validation of flight software and avionics systems.

ArchitectureBig DataMobileOpen SourceSoftwareWeb Development

Growth Opportunities

No H1B

Responsibilities

Lead, design, develop, and maintain automated HIL test systems integrating avionics, FSW, GN&C, and RF payloads

Implement and maintain test scripts and control interfaces using Python, LabVIEW, or MATLAB

Develop and execute 'test-like-you-fly' scenarios to validate FSW–hardware interactions and fault management

Support and optimize test setups for prototype and flight configurations, including flat-sat and system-level environments

Participate in on-orbit checkout and testing of RF communication subsystems, including verification of telemetry, command links, and payload data processing and throughput

Capture, analyze, and document test data to assess performance trends, identify root causes, and improve test coverage

Maintain version-controlled test scripts, configurations, and documentation (e.g., Git)

Collaborate across design, software, and AI&T teams to translate system requirements into detailed verification procedures

Drive continuous improvement of test efficiency, automation, and reliability across multiple spacecraft builds

Qualification

HIL test systemsFlight software validationPythonLabVIEWMATLABRF communication testingVersion control (Git)Debugging skillsAnalytical skillsCollaboration skillsDetail-oriented

Required

5+ years of experience in spacecraft, aerospace, or high-reliability system test and integration

Proven experience developing and running HIL or flat-sat testbeds for flight software and avionics validation

Hands-on experience with on-orbit checkout and RF communication subsystem testing, including signal chain verification and link performance analysis

Proficiency in Python (required) and familiarity with LabVIEW or MATLAB for test automation

Solid understanding of avionics interfaces and RF fundamentals (telemetry/command systems, impedance matching, S-parameters, gain, noise figure, etc.)

Familiarity with real-time simulation environments and embedded software environments

Strong debugging, troubleshooting, and analytical skills across hardware–software boundaries

Experience with version control (Git), test data analysis, and structured documentation practices