vast
Senior Power Engineer
At a Glance
- Location
- Long Beach, California, United States
- Experience
- 6+ years
- Posted
- 2026-06-10T17:23:28-04:00
Key Requirements
Domain Knowledge
- Aerospace
- Education
- Engineering
- Healthcare
- Insurance
- Medical
- Regulatory
Requirements
6+ years of spacecraft power system design experience — solar array, battery, bus regulation, power distribution
Experience with power architecture trades (DET vs MPPT, bus voltage selection)
Power budget development and management across multiple operating modes
Battery management system experience — charge control, cell balancing, state of charge estimation
Understanding of solar array electrical performance — I-V curves, temperature coefficients, radiation degradation
Experience taking a power electronics box from requirements through functional test
Responsibilities
You'll define the power system architecture for a 15kW-class spacecraft bus — topology, bus voltage, battery sizing, power electronics, and fault protection.
You own the architecture decisions, the end-to-end power budget, and the power quality requirements that payload customers must meet.
You'll determine what needs to be built new versus what can be reused from heritage, define requirements for any new avionics boxes, and work with the electronics lead to get them built.
You'll also coordinate with the solar array and battery teams on electrical performance and any modifications needed for this mission.
Define the power architecture — DET vs MPPT topology, bus voltage selection, battery sizing, solar array string configuration
Define requirements for power electronics boxes — the electronics lead builds the boards, you own what they need to do and how they're tested