Gem.com

Power Systems Engineer

Gem.com$94K — $121K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Electrical Engineering or related field
  • Experience in power electronics design and testing
  • Familiarity with power systems modeling tools
  • Proficiency in using test equipment like oscilloscopes and power analyzers
  • Experience with electrical CAD tools (Altium, KiCad, etc.)
  • Strong organizational and time management skills
  • Willingness to work extended hours to meet project deadlines
  • Ability to work onsite in Seal Beach, CA

Responsibilities

  • Own end-to-end power subsystems from concept to operation
  • Design high-reliability DC/DC converters and power distribution units
  • Model power system performance under various conditions
  • Conduct PCB design with thermal and radiation considerations
  • Drive troubleshooting of spacecraft and ground power systems
  • Develop automation for testing high-voltage systems
  • Collaborate with cross-functional teams to align power architecture with mission goals
  • Contribute to avionics best practices and documentation

Benefits

  • 100% paid medical, dental, and life insurance coverage
  • Vision and FSA benefits available
  • 3 weeks of paid time off plus 1 week of sick time
  • 10 paid holidays annually
  • Retirement savings plan with 401(k) company match
  • Equity opportunities in a startup environment
Full Job Description
Job Description

As an Electrical Engineer focused on Power Systems at AstroForge, you will play a key role in designing and delivering reliable, high-efficiency spacecraft power electronics. You will collaborate across engineering disciplines to architect, build, and test the power systems that drive the first successful asteroid mining vehicle-from energy storage to distribution to conversion.

Responsibilities

  • Own power subsystems end-to-end-from requirements definition and architecture through design, manufacturing, integration, and in-flight operations
  • Design DC/DC converters, power distribution units (PDUs), battery management systems (BMS), and solar array interfaces for high-reliability space applications
  • Model and simulate power system performance under nominal and fault conditions using tools such as LTspice, PLECS, or MATLAB/Simulink
  • Conduct PCB-level design and layout for power electronics with thermal, radiation, and EMI/EMC constraints in mind
  • Drive root-cause analysis and troubleshooting of power-related issues in spacecraft and ground systems
  • Develop test plans and automate validation for high-voltage and high-current systems
  • Work with systems, mechanical, software, and GNC teams to ensure power architecture supports mission-level goals and spacecraft performance
  • Contribute to avionics team best practices, including documentation, design reviews, and hardware bring-up processes


Basic Qualifications

  • Bachelor's degree in Electrical Engineering or a related field
  • Experience designing and testing power electronics (DC/DC, power conversion, energy storage, etc.)
  • Familiarity with power systems modeling and simulation tools
  • Proficiency with test equipment such as oscilloscopes, electronic loads, power analyzers, and logic analyzers
  • Experience with electrical CAD tools (Altium, KiCad, OrCAD, etc.)
  • Strong organizational and time-management skills in a fast-paced environment
  • Willingness to work extended hours when required to support critical milestones
  • Ability to work onsite in Seal Beach, CA


Preferred Skills and Experience

  • 3+ years of experience in power electronics for aerospace, automotive, or other high-reliability systems
  • Experience with space-rated power architectures and understanding of spacecraft energy budgets
  • Familiarity with battery chemistries (Li-ion, LiFePO4, etc.) and charging algorithms
  • Knowledge of fault protection, redundancy, and reliability in power systems
  • Hands-on experience bringing up and debugging high-power boards and systems
  • Understanding of EMI/EMC compliance and mitigation strategies
  • Comfort writing test scripts and automating lab workflows (Python preferred)
  • Experience with wire harness design and integration for power-heavy systems


Benefits

  • 100% paid medical, dental, and life insurance coverage
  • Vision and FSA benefits available
  • 3 weeks of PTO + 1 week of sick time
  • 10 paid holidays
  • Retirement savings plan - 401(k), with company match
  • Equity on the ground floor of a startup


Salary

  • Level I: $94,000 - $121,500
  • Level II: $118,000 - $142,500
  • Level III: $138,000 - $171,500
  • Level IV: $168,000 - $185,500


ITAR Requirements

To conform to U.S. Government export regulations, including the International Traffic in Arms Regulations (ITAR), you must be a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. a7 1157, or (iv) Asylee under 8 U.S.C. a7 1158, or be eligible to obtain the required authorizations from the U.S. Government.

About Gem.com

Industry
Founded
2013

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