> Markdown version of [/jobs/ext/4637599-test-engineer-ii](https://www.wearedevelopers.com/jobs/ext/4637599-test-engineer-ii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Test Engineer II - **Company:** Air Inc - **Location:** Thornton, CO, United States - **Experience:** Experienced - **Salary:** $82,000 - $98,000 - **Contract:** Permanent contract - **Skills:** Computer-Aided Design, Data Analysis, CAN Bus, SolidWorks (CAD), Datasheets, Python (Programming Language), LabVIEW, Test Data, Test Scripts, Build Management - **Published:** November 8, 2026 - **Apply:** https://diversityjobs.com/career/18871081/Test-Engineer-Ii-Colorado-Thornton ## About the Role We are seeking a Test Engineer II to join our growing team. This role is focused on designing test stands and testing new scroll compressors and vacuum pump designs, including liquid-cooled oil-free compressors for auxiliary air systems on fully electric trucks and buses. The ideal candidate is driven, organized, and detail-oriented, and can turn test data into clear recommendations for the design team., Required * B.S. in Mechanical or Electrical Engineering (or equivalent experience with a proven track record in testing) * Minimum 3 years of experience as a test engineer * Experience using LabVIEW for data acquisition and analysis * Proficiency with CAD software (SolidWorks or similar) to interpret test stand designs * Familiarity with Controller Area Network (CAN) bus * Knowledge of Vector tools (CANalyzer, CANoe, or similar) Preferred * Knowledge of Python for test data analysis * Experience with PLC programming and control systems for test stand automation * Experience with BLDC motors and controllers * Experience with common troubleshooting instruments (DMM, oscilloscope, function generators, etc.) * Working knowledge of thermodynamics and heat transfer as applied to compressor performance * * Background in automotive ## Description * Design and build test stands for evaluating scroll compressor and vacuum pump performance * Select and install test instrumentation (pressure transducers, flow meters, temperature sensors, etc.) for accurate data collection * Develop test plans and conduct performance, durability, and life testing of prototypes * Map compressor and vacuum pump performance (flow, power, efficiency, discharge temperature) across speed and pressure, and produce performance curves and data sheets * Analyze test data, diagnose issues, and recommend design solutions * Perform teardown and failure analysis of tested and field-returned units, and support root cause and corrective action with Design and Product Engineering * Write comprehensive test plans and formal test reports summarizing test setup and results, including reports for customers * Run thermal and acoustic testing using in-house thermal chambers and sound booth * Coordinate outside lab testing for shock and vibration, thermal shock, and EMC/EMI * Program and maintain LabVIEW applications to automate data acquisition and analysis * Communicate with motor controllers and vehicle systems over CAN bus using Vector tools * Maintain instrument calibration records and test equipment health to ensure measurement accuracy * Support production and end-of-line test development as products move toward release * Support the design team with cost optimization testing and material testing * Ensure test stands and lab practices meet safety requirements for pressurized equipment, rotating machinery, and high-voltage systems * Train and mentor engineering technicians on test procedures and data analysis * Contribute to continuous improvement initiatives * Occasional travel may be required * Overtime availability as needed * Perform other duties as assigned, EEO is the Law | EEO is the Law Supplement | Pay Transparency Nondiscrimination| E-Verify | Right to Work EEO is the Law: https://www.dol.gov/sites/dolgov/files/ofccp/regs/compliance/posters/pdf/eeopost.pdf EEO is the law Supplement: https://www.dol.gov/sites/dolgov/files/ofccp/regs/compliance/posters/pdf/OFCCP_EEO_Supplement_Final_JRF_QA_508c.pdf Pay Transparency Nondiscrimination:- https://www.dol.gov/sites/dolgov/files/OFCCP/pdf/pay-transp_%20English_formattedESQA508c.pdf E-Verify poster: https://e-verify.uscis.gov/web/media/resourcesContents/E-Verify_Participation_Poster_ES.pdf Right to Work: https://www.e-verify.gov/sites/default/files/everify/posters/IER_RighttoWorkPoster.pdf