Propulsion Engineer II - Flight Hardware & RCS (Equity)

Portal Space Systems; Bothell (WA); On-site; USD 100,000 - 170,000; Full time

Benefits offered by this job

Health insurance

Vision coverage

Dental coverage

401(k) retirement plan

Paid parental leave

Vacation (3 weeks)

Holidays (12+)

Sick time

Job summary

Portal Space Systems in Bothell, WA is seeking a Design-focused Propulsion Engineer to advance pressurant, PMD, feed, and RCS hardware. You’ll design, draw, and test hardware with mentorship from senior engineers, engaging suppliers and supporting integration and flight readiness.

You’ll contribute across the hardware lifecycle—from drawings through test, build, and qualification—driving fast, reliable development and hands-on results in a collaborative propulsion team.

Qualifications

• Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or related field.
• 2+ years of mechanical design experience with hardware that has been built and tested.
• Experience creating detailed models and drawings for fabricated hardware.
• Strong ability to communicate design intent and test results clearly.

Responsibilities

• Develop mechanical designs and drawings for propulsion hardware (pressurant, PMD, feed, and RCS).
• Engage with suppliers to move components from specification to delivery.
• Develop test requirements, articles, and success criteria; interpret results for design decisions.
• Execute tests with propulsion engineers; work on test stands and hazardous operations.
• Collaborate on build plans to ensure designs are buildable and correctly implemented.
• Support vehicle integration and functional testing of propulsion hardware.

Skills

Mechanical design

Fluid systems

Structures

First principles reasoning

Hardware lifecycle

Peer review

Communication of designs

Hazardous fluids

Education

Bachelor's in Mechanical Engineering

Bachelor's in Aerospace Engineering

Tools

NX

Teamcenter

GD&T

Job description

Portal Space Systems in Bothell, WA is seeking a Design-focused Propulsion Engineer to advance pressurant, PMD, feed, and RCS hardware. You’ll design, draw, and test hardware with mentorship from senior engineers, engaging suppliers and supporting integration and flight readiness.

You’ll contribute across the hardware lifecycle—from drawings through test, build, and qualification—driving fast, reliable development and hands-on results in a collaborative propulsion team.