Jobs/Mechanical & Physical Systems/Seattle

Mechanical & Physical Systems Jobs in Seattle

Mechanical & Physical Systems roles at companies building the future — in Seattle.

410 open roles · Updated Sep 26, 2026

410 jobs

Shield AI Power Electronics - Thermal Engineer I (R4842)

Seattle, WA · Washington, D.C.

$91k–$130k / year

Job type: Mechanical & Physical Systems
Seniority: Entry-Level
Sector: Defense

Blue Origin Senior Materials & Processes Engineer (Additive Manufacturing)

Seattle, WA

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Shield AI Principal Engineer, Fluid & Thermal Systems (R4793)

Seattle, WA · Washington, D.C. · Dallas, TX

$250k–$370k / year

Job type: Mechanical & Physical Systems
Seniority: Staff / Principal
Sector: Defense

Blue Origin Thermal & Fluids Engineer III

Seattle, WA

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Shield AI Power Electronics - Thermal Engineer Senior Staff

Seattle, WA · Washington, D.C.

$173k–$260k / year

Job type: Mechanical & Physical Systems
Seniority: Staff / Principal
Sector: Defense

Blue Origin Structural Design Engineer III

Space Coast, FL · Seattle, WA

Job type: Mechanical & Physical Systems
Seniority: Mid-Level
Sector: Aerospace

Shield AI Senior Staff Engineer, Electromechanical (R4583)

Seattle, WA · Washington, D.C. · San Diego, CA

$200k–$300k / year

Job type: Mechanical & Physical Systems
Seniority: Staff / Principal
Sector: Defense

Blue Origin Fluids Engineer II - Glenn Stage 2 Mid/Fwd

Seattle, WA

Job type: Mechanical & Physical Systems
Seniority: Mid-Level
Sector: Aerospace

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Shield AI Senior Propulsion Design Engineer (R4642)

Seattle, WA · Washington, D.C.

$130k–$200k / year

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Defense

Blue Origin Structural Engineer III - Thermal Hardware - Lunar Permanence

Seattle, WA · Space Coast, FL · Huntsville, AL · Denver, CO · Los Angeles, CA

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Shield AI Senior Aerostructures Design Engineer (R5158)

Seattle, WA · Washington, D.C.

$130k–$200k / year

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Defense

Blue Origin Sr. Mechanical Engineer, RF Payloads - TeraWave

Seattle, WA · Cupertino, CA

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Shield AI Staff Mechanical Engineer, Power System Battery Pack Designer (R5636)

Seattle, WA · Washington, D.C. · Boston, MA · San Diego, CA

$150k–$220k / year

Job type: Mechanical & Physical Systems
Seniority: Staff / Principal
Sector: Defense

Blue Origin Sr. Mechanical Engineer, RF Payloads - TeraWave

Seattle, WA · Cupertino, CA

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Shield AI Principal Aerostructures Design Engineer (R5163)

Seattle, WA · Washington, D.C. · Dallas, TX · San Diego, CA

$240k–$360k / year

Job type: Mechanical & Physical Systems
Seniority: Staff / Principal
Sector: Defense

Blue Origin Senior Technical Specialist - Avionics Packaging

Seattle, WA · Denver, CO

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Shield AI Senior Manager, Avionics Mechanical Engineering (R4416)

Seattle, WA · Washington, D.C.

$220k–$330k / year

Job type: Mechanical & Physical Systems
Seniority: Manager
Sector: Defense

Blue Origin MK1 Fluids Analyst III - Lunar Permanence

Seattle, WA · Los Angeles, CA · Denver, CO

Job type: Mechanical & Physical Systems
Seniority: Mid-Level
Sector: Aerospace

Blue Origin Structural Analyst III

Seattle, WA · Huntsville, AL

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Blue Origin Lunar Human Factors Engineer

Seattle, WA · Denver, CO

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Blue Origin Propulsion Engineer, Test/Flight - Engine Test, BE-3U

Seattle, WA · Huntsville, AL

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Blue Origin Liquid System Responsible Engineer III — Cryogenic DFM

Seattle, WA · Space Coast, FL · Huntsville, AL · Denver, CO · Los Angeles, CA

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

Blue Origin Mechanical Engineer - Design & Analysis

Seattle, WA

Job type: Mechanical & Physical Systems
Seniority: Mid-Level
Sector: Aerospace

Blue Origin Fuel Cell Mechanical Design Engineer II - Lunar Permanence

Seattle, WA · Denver, CO

Job type: Mechanical & Physical Systems
Seniority: Mid-Level
Sector: Aerospace

Blue Origin Sr Structural Analyst — New Glenn Stage 2

Seattle, WA

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Aerospace

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Frequently asked questions

How many mechanical & physical systems jobs are in Seattle?: There are currently 410 open mechanical & physical systems roles in Seattle on BuildList, refreshed hourly from company career pages.
What companies hire mechanical & physical systems talent in Seattle?: The live list includes companies building the future across AI, defense, aerospace, robotics, energy, and more. Sort and filter the openings to compare employers, levels, sectors, and stages.
Are there remote mechanical & physical systems jobs outside Seattle?: Yes. BuildList has a dedicated remote mechanical & physical systems view for roles companies explicitly mark as remote. Regional restrictions can still apply.
How do I apply for mechanical & physical systems jobs in Seattle?: Every listing links straight to the company's own application page — BuildList doesn't sit between you and the employer, so there's no account or middleman.