Senior Spacecraft Power Electronics Engineer

Helogen, Inc.; Los Angeles (CA); On-site; USD 130,000 - 150,000; Full time

Benefits offered by this job

Unlimited PTO

Health, dental, vision and life insu r

401(k) program

Membership to OneMedical

Be part of creating something new that

Job summary

Helogen, Inc. is seeking a Senior Electrical Engineer II in Los Angeles to lead the design and development of electrical power systems for the Keystar spacecraft. You’ll own power electronics architecture, drive PMAD, and guide the team from demonstrator to flight hardware.

You will prototype, test, document, and set standards while collaborating with a cross‑functional team to ensure reliable, safe, and scalable power subsystems for space missions.

Qualifications

• 6+ years of experience in electrical design and circuit analysis for spacecraft.
• Direct experience with spacecraft power systems (PCDUs, battery management, high‑voltage PMAD).
• Strong schematic capture and PCB layout skills.
• Deep understanding of power electronics, DC‑DC conversion and switching efficiency.
• Experience with high‑voltage power electronics, vacuum insulation and derating.
• Familiar with space environment design: radiation, thermal‑vacuum, EMI/EMC.
• Experience taking hardware through formal reviews under configuration control.

Responsibilities

• Own the design of the electrical power subsystem (EPS/PCDU) for the Keystar spacecraft.
• Establish PMAD architecture, set parameters, evaluate tradeoffs, manage margins and EMI filtering.
• Design high‑voltage systems for reliable operation in vacuum and insulation considerations.
• Develop, test, and document prototypes and flight hardware; create schematics and layouts.
• Build and test hardware using rapid prototyping; breadboarding and bench testing.
• Establish board bring‑up processes and design standards as the team grows.
• Lead design‑for‑manufacturing reviews and work with production teams to scale designs.
• Guide hardware through AI&T and environmental qualification activities.
• Maintain design docs and identify hardware reuse or requalification as programs evolve.

Skills

Power electronics

Spacecraft power systems

Schematic capture

PCB layout

High voltage design

Design for Manufacturing

Rapid prototyping

Hardware testing

Tools

Altium

KiCad

SPICE

Job description

Helogen, Inc. is seeking a Senior Electrical Engineer II in Los Angeles to lead the design and development of electrical power systems for the Keystar spacecraft. You’ll own power electronics architecture, drive PMAD, and guide the team from demonstrator to flight hardware.

You will prototype, test, document, and set standards while collaborating with a cross‑functional team to ensure reliable, safe, and scalable power subsystems for space missions.