Senior Spacecraft Power Systems Engineer

Portal Space Systems; Bothell (WA); On-site; USD 120,000 - 170,000; Full time

Job summary

Portal Space Systems seeks a Senior Electrical Engineer to lead power systems design for spacecraft. You will own the EPS architecture, manage the main power bus, and drive hardware bring-up and testing in a high-reliability environment.

Ideal candidates have 5+ years in aerospace power electronics, experience with Altium, and a strong foundation in system-level integration and environmental testing.

Qualifications

• B.S. or M.S. in Electrical Engineering or related field.
• 5+ years of experience designing power systems for aerospace or high-reliability platforms.
• Experience with power electronics: DC-DC converters, battery management, protection circuits.

Responsibilities

• Architect spacecraft power systems including solar interfaces, batteries, PDUs, and grounding.
• Lead design of the main spacecraft power bus: regulation, load management, protection, redundancy.
• Develop schematics, PCB layouts, and cable harnessing for power boards and interfaces.
• Drive hardware bring-up, testing, and fault isolation on power hardware.
• Collaborate with systems, mechanical, and thermal engineers to meet mission constraints.
• Support environmental testing and EMI/EMC compliance for power hardware.

Skills

Power systems design

Flight hardware testing

System-level integration

Education

B.S./M.S. in Electrical Engineering

Tools

Altium Designer

Job description

Portal Space Systems seeks a Senior Electrical Engineer to lead power systems design for spacecraft. You will own the EPS architecture, manage the main power bus, and drive hardware bring-up and testing in a high-reliability environment.

Ideal candidates have 5+ years in aerospace power electronics, experience with Altium, and a strong foundation in system-level integration and environmental testing.