Heron Power
power electronics
Intern,HardwareTestEngineering
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“Intern, Hardware Test Engineering at Heron Power. Skills: Test Bench Architecture & Build, Test Execution & Reliability Campaigns, Data, Automation & Closing the Loop. build and operate the test infrastructure we use to validate grid-tied converters. test bench design and build”
What You'll Achieve.
de-bottleneck the growth of electricity generation and consumption; build better converters (inverters & rectifiers) to connect large-scale renewables, storage, and loads to the grid; uncover real design and process failures by running physical tests and building automated equipment and data workflows; keep measurements trustworthy over time; evolve reliability campaigns as we learn where the real failure cliffs are; verify that corrective actions eliminate the failure; make results actionable; drive improvements and prevent regressions
Industry & Context.
solving difficult problems; failure isolation; verified fixes; debugging instincts; drive root-cause closure; suspected failure mechanisms; failure cliffs; debug loops; failure isolation; instrument deeper; reproduce; corrective actions; structured root cause/corrective action loops
What They're Looking For.
Must Have
Pursuing a BS or MS in Electrical Engineering, Mechatronics, or a related field, Hands-on experience designing, building, or operating electrical test setups for complex hardware—power electronics strongly preferred, Comfort with bench power equipment and measurement methods: scopes, DMMs, power analyzers, electronic loads, DAQ, and sensors, Ability to design safe test systems for high-power hardware: interlocks, protection, grounding, and safe operating procedures, debugging instincts and ability to drive root-cause closure with engineering partners, Programming experience in Python—including instrument control or data automation
Nice to Have
Experience with accelerated or environmental stress testing (HALT/HASS, thermal/humidity cycling, power cycling), Familiarity with failure mechanisms in power electronics and structured root cause/corrective action loops, Experience designing repeatable test cells with drawings and instructions to turn scrappy setups into production-quality ones
What You'll Do.
build and operate the test infrastructure we use to validate grid-tied converters
test bench design and build
running physical tests
building automated equipment and data workflows
Design and build electrical reliability test benches for power electronics hardware—inverters
bi-directional power stages
and integrate lab equipment
Own the bench system design: grounding
measurement integrity
EMI-aware instrumentation
safe operating procedures
Build Python-based automation for instrument control and data define calibration practices that keep measurements trustworthy over time
Translate test goals and suspected failure mechanisms into test plans
instrumentation plans
and pass/fail criteria
Execute reliability campaigns—burn-in
and abuse tests—and evolve them as we learn where the real failure cliffs are
Drive fast debug loops during excursions: isolate
and verify that corrective actions eliminate the failure
Build data workflows that make results actionable: structured logs
automated plots and summaries
clear pass/fail reporting
and mechanical/thermal engineering to drive improvements and prevent regressions
Create and maintain test stand documentation: schematics
How You'll Work.
Team & Collaboration
Partner with design, controls/firmware, and mechanical/thermal engineering to drive improvements and prevent regressions
Full Job Description
WHAT TO EXPECT Heron Power is a startup company building cutting-edge power electronics for the 21st-century grid. We aim to de-bottleneck the growth of electricity generation and consumption with scalable, innovative, and less costly hardware solutions, accelerating the electrification of everything. Our first goal is to build better converters (inverters & rectifiers) to connect large-scale renewables, storage, and loads to the grid. Heron’s leadership team is made up of seasoned veterans who have designed and shipped gigawatts of power conversion products over the past decade. We understand that no one individual knows everything. We will all learn a lot together and from each other. We strive to build a collaborative, enriching environment conducive to personal, technical, and career growth. You can expect to work in a dynamic environment, driven by first principles engineering, solving difficult problems—with a strong bias toward hands-on execution and learning by doing. JOB OVERVIEW You will build and operate the test infrastructure we use to validate grid-tied converters. This role owns a meaningful slice of the development loop: test bench design and build, test execution, data analysis, failure isolation, and verified fixes. You will uncover real design and process failures by running physical tests and building automated equipment and data workflows. We prioritize a strong foundation in first principles, practical skill, and a bias toward getting things done. We care as much about how you work as what you already know. HOW YOU WILL CONTRIBUTE Test Bench Architecture & Build - Design and build electrical reliability test benches for power electronics hardware—inverters, DC/DC converters, bi-directional power stages. - Specify, procure, and integrate lab equipment: programmable power supplies, electronic loads, DAQ systems, sensors, protection hardware, interlocks, and cabling. - Own the bench system design: grounding, measurement integrity, EMI-aware instru
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