> Markdown version of [/jobs/ext/4517762-hardware-test-engineer](https://www.wearedevelopers.com/jobs/ext/4517762-hardware-test-engineer). 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). --- # Hardware Test Engineer - **Company:** Rune, Inc. - **Location:** Mountain View, CA, United States - **Experience:** Experienced - **Salary:** $105,000.0 - $150,000.0 - **Contract:** Permanent contract - **Skills:** Data Analysis, Automation of Tests, Unit Testing, Firmware, Failure Mode Effects Analysis, Python (Programming Language), LabVIEW, Reliability Engineering, Software Reliability Testing, Test Data, Test Execution Engine, Test Scripts, Hardware Testing, Reliability of Systems, Build Management, Hardware Infrastructure - **Published:** November 1, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=0084dcd8c5815c80 ## About the Role * Education: Bachelor's degree in Mechanical, Electrical, Mechatronics, or Reliability Engineering (or equivalent industry experience) * Industry Experience: 4 to 7 years in hardware test and/or product validation engineering on energy storage, power electronics, grid-tied equipment, or electromechanical hardware * Hands-on experience building test fixtures, harnesses, instrumentation, and data acquisition, and bringing a unit up on the bench to be stressed and measured * Direct experience executing environmental and reliability stress testing, including HALT, HASS, accelerated life, thermal cycling, vibration, and humidity, against ASTM standards * Proficiency with test automation and data analysis in Python or LabVIEW, and with bench instrumentation including oscilloscopes, data acquisition systems, multimeters, and loads * Experience with failure analysis and root cause methods, and contributing failure-mode evidence to DFMEA and design reviews * Working knowledge of energy storage and power electronics failure mechanisms, covering cells and battery systems, inverters and converters, thermal management, and outdoor enclosures * Comfortable working on the floor alongside assembly technicians and in the field alongside installation crews * Excellent communication skills, with the ability to turn test data into recommendations design engineers will act on ## Description Test Planning & Fixture Development * Translate DFMEA findings and verification requirements from the design groups, NPI, and the production floor into test plans, sample sizes, stress levels, and acceptance criteria * Design and build the test fixtures, harnesses, instrumentation, and data acquisition the mechanical, electrical, and compute testing depends on * Develop test procedures and automation scripts in Python or LabVIEW for instrument control, test sequencing, and repeatable per-unit data capture * Specify the chambers, loads, sensors, and bench equipment each campaign requires, and keep them calibrated, documented, and available to the program Reliability, Validation & Verification Test Execution * Execute the reliability test program across HALT, HASS, accelerated life, thermal cycling, vibration, humidity, shock, and burn-in on units and subassemblies * Run functional verification and validation from the battery and power electronics through the enclosure, thermal system, and interfaces on EVT, DVT and PVT builds * Execute the compute and GPU reliability testing together with the GPU infrastructure engineer, covering burn-in, thermal throttling, and telemetry-based failure detection Data Analysis & Failure Reporting * Collect and analyze test data using statistical methods, Weibull and life-data analysis, and physics-of-failure reasoning * Perform failure analysis and teardown on test and production failures, isolating root cause across the mechanical, electrical, and firmware boundaries * Produce test reports carrying the data, the failure evidence, and the specific design or process recommendation to the responsible engineering group Lab, Field & Continuous Improvement * Run and maintain test labs and/or external test house partnerships, including the equipment, fixtures, calibration records, and per-unit test history * Support field failure investigations and the closed-loop corrective action loop, from failure through analysis to corrective action implementation