{"id":3524293,"url":"https://alion.io/job/quantum-space-avionics-test-software-engineer","title":"EGSE/Avionics Test Software Engineer","company":{"id":3813300,"name":"Quantum Space","domain":"quantumspaceinc.com","url":"https://alion.io/company/quantumspaceinc","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":95,"open_postings":18,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":116,"computed_at":"2026-11-01T06:10:25Z"}},"role":"Hardware","role_family":"Hardware","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hawthorne, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":110000,"max":160000,"currency":"USD","period":"year","gross":null,"usd_annual":160000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"Python","optional":false},{"name":"SpaceWire","optional":true}],"status":"live","first_seen_at":"2026-10-30T12:09:53Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-11-01T16:08:21Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Quantum Space is redefining mobility and maneuverability in space. Our high-mobility spacecraft platforms support national security, civil, and commercial missions with unmatched flexibility and propulsion capability. We build fast and iterate quickly.\nWho We’re Looking For\nWe are seeking a technically driven EGSE/ Avionics Test Software Engineer to develop automated test software, Electrical Ground Support Equipment (EGSE) software, and hardware/software integration test infrastructure for spacecraft avionics supporting Ranger missions.\nIn this role, you will develop reusable test applications, instrument interfaces, and automated test sequencing capabilities used to verify spacecraft avionics hardware and software. You will work closely with avionics, flight software, electrical, systems, and test engineers to build reliable test infrastructure, troubleshoot complex hardware/software interactions, and ensure test results are accurate, repeatable, and defensible.\nThis position is ideal for an engineer who enjoys working at the intersection of software and hardware, solving difficult integration problems, and building robust test systems that directly contribute to flight readiness and mission success.\nWhere You’ll Make an Impact\nDevelop automated test software and EGSE software supporting spacecraft avionics development and verification\nDesign and develop reusable test applications, instrument interfaces, device drivers, test sequencing capabilities, and data acquisition tools\nDevelop software to control laboratory instrumentation and communicate with embedded avionics hardware\nBuild maintainable and extensible test frameworks that separate hardware interfaces, test logic, configuration, and data handling\nDevelop requirements-based verification tests, including positive and negative testing, boundary conditions, failure scenarios, and fault injection\nSupport hardware-in-the-loop (HIL) and hardware/software integration testing of spacecraft avionics\nDevelop automated functional and performance tests for flight computers and other avionics hardware\nTroubleshoot complex hardware, firmware, software, communication interface, and test equipment issues using systematic root-cause analysis\nVerify and validate automated test software and test equipment to ensure accurate and reliable results\nImplement test logging and data collection practices that provide traceability and reproducibility across hardware and software configurations\nCollaborate with avionics, flight software, systems, electrical, and test teams to develop verification approaches and resolve integration issues\nParticipate in code reviews and contribute to software development, configuration management, and continuous integration practices\nOperate within a fast-paced development environment focused on rapid execution, technical excellence, and mission success\nWhat It Takes\nBachelor's, Master's, or Ph.D. in Computer Engineering, Electrical Engineering, Computer Science, Aerospace Engineering, or a related technical discipline\nExperience developing automated test software using LabVIEW, Python, C/C++, or equivalent programming environments\nExperience developing software that controls laboratory instrumentation and communicates with embedded hardware\nExperience developing reusable and maintainable automated test applications, frameworks, or test infrastructure\nExperience troubleshooting and diagnosing complex hardware/software integration issues\nUnderstanding of software verification principles, including requirements-based testing, boundary conditions, negative testing, and fault injection\nExperience verifying that automated test software and test equipment are operating correctly and producing reliable results\nFamiliarity with software configuration management and version control tools such as Git\nStrong software debugging, analytical, and problem-solving skills\nNice-to-Have Experience\nExperience developing automated test systems or EGSE for spacecraft, aerospace, defense, or other complex embedded systems\nExperience developing test frameworks with modular device drivers, reusable interfaces, automated test sequencing, logging, assertions, and configuration management\nExperience communicating with hardware over interfaces such as Ethernet, TCP/UDP, RS-422/485, SpaceWire, SPI, I2C, or similar protocols\nExperience testing asynchronous hardware and developing software that accounts for timing, synchronization, timeouts, and communication errors\nExperience with hardware-in-the-loop (HIL) testing and simulation environments\nExperience developing automated power-on, functional, or acceptance testing for flight computers or other avionics hardware\nExperience with automated fault injection and verification of fault detection, isolation, and recovery behavior\nExperience using laboratory instrumentation, protocol analyzers, data acquisition systems, or similar test equipment\nExperience developing unit tests, simulated instrument interfaces, or other methods for validating automated test software\nExperience with CI/CD pipelines, automated builds, automated testing, code reviews, and software configuration management\nUnderstanding of embedded firmware and flight software architectures\nExperience working with spacecraft avionics or flight hardware\nExperience supporting fast-paced aerospace, defense, or commercial space programs\nWhat You’ll Get\nOwnership - Take responsibility for automated test software and infrastructure that directly supports the development and verification of mission-critical spacecraft avionics\nInnovation - Build robust test frameworks and automation capabilities that accelerate spacecraft development and improve verification efficiency\nImpact - Help ensure spacecraft avionics and flight systems perform reliably through rigorous, repeatable, and defensible testing\nGrowth - Work across avionics, flight software, electrical, systems, and test engineering while expanding your expertise in spacecraft hardware/software integration\nCompensation - Competitive salary, equity, and comprehensive benefits including medical, dental, vision, generous leave, HSA, 401(k) matching, and equity participation\nLocation: Rockville, MD or Hawthorne, CA \nBase Salary: $110,000 to $160,000 \nThe salary range for this role is an estimate based on a wide range of compensation factors. Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations. Highly competitive equity grants are included in the majority of full time offers; and are considered part of Quantum Space's total compensation package.\nAdditional Requirements\nTo comply with U.S. Government space technology export regulations, including ITAR, applicants must be a U.S. citizen, lawful permanent resident, protected individual per 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.\nApply now. 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