Power Electronics Engineer at First Order Effects | Austin | Rezi

Power Electronics Engineer at First Order Effects

Power Electronics Engineer

First Order Effects · Austin

2 days ago

Power Electronics Engineer

First Order Effects · Austin

3 days ago
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About the Role

Design the inverter and DC/DC stages for MESH, owning the conversion stage end to end from schematic to hardware.

Responsibilities

  • Architect and design the in-house inverter and DC/DC stages for MESH: topology, device selection across MOSFET, GaN, and SiC, gate drive, magnetics, and thermal.
  • Take converters from schematic and simulation through prototype, bring-up, and test under real load.
  • Design for the field: efficiency, EMI, ruggedization, and thermal survival in maritime and expeditionary conditions.
  • Define the control approach for the power stage, working shoulder to shoulder with firmware on the loops.
  • Own component selection, protection, and safety margins, and lead the design and selection of power electronics.
  • Drive power electronics design across the full cycle, carrying converters all the way to working hardware.
  • Get hands-on with switching design in MOSFET, GaN, or SiC, including gate drive and magnetics.
  • Solve the thermal, EMI/EMC, and layout problems that come with high-power, high-frequency switching.
  • Work the bench with scopes, probes, and power analyzers, debugging your own boards.
  • Design from first-principles.

Requirements

  • Experience with converters from kilowatts to hundreds of kilowatts, battery inverters, or grid-forming and grid-tied systems.
  • A background in LFP battery systems, diesel gensets, or microgrids.
  • Familiarity with UL, IEEE, or MIL power standards.
  • Must be a U.S. citizen, lawful permanent resident, or protected individual.
  • Must be eligible to obtain and maintain a U.S. security clearance.

Skills

  • Switching converters
  • Schematic design
  • Hardware bring-up
  • Testing under real load
  • Efficiency
  • EMI
  • Ruggedization
  • Thermal management
  • Control systems
  • Component selection
  • Protection circuits
  • Safety margins
  • MOSFET
  • GaN
  • SiC
  • Gate drive
  • Magnetics
  • Thermal design
  • Simulation
  • Prototype development
  • EMI/EMC
  • Layout
  • Oscilloscopes
  • Probes
  • Power analyzers
  • Debugging

Location

  • Austin, TX

Work Type

  • On-site

Salary/Compensations

  • $100,000–$250,000 base + founding-team equity sized for the role + benefits.

Benefits

  • Founding-team equity sized for the role
  • Benefits

About the Company

  • First Order Effects (FOE) is building America's Infrastructure Prime for the robotic era.
  • Autonomous ships, drones, and robots are rewriting how the world moves, fights, and builds - but none of them work without infrastructure to power them, connect them, and launch and recover them.
  • Our team comes from SpaceX, Anduril, Saronic, Lockheed Skunk Works, Forterra, and Fuse Energy.
  • Before founding FOE, we built satellite ground stations that closed a national comms gap in days, deployed multi-megawatt power systems at commercial speed, and shipped autonomous surface vessels into Navy fleet production.
  • We've built infrastructure at lightspeed before - now we're applying that playbook to an entire company.

Equal Opportunity

  • FOE is an Equal Opportunity Employer; employment with FOE is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.