Jobs/Roles/Mechanical & Physical Systems

Mechanical & Physical Systems Jobs

Mechanical, aerospace, and physical-systems engineering roles at hard-tech companies.

2,663 open roles · Updated Sep 26, 2026

2,663 jobs

Blue Origin Fluids Engineer III, Glenn Stage 2 Mid/Fwd

Seattle, WA

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

Anduril Industries Mechanical Engineer, Components and Propulsion

Costa Mesa, CA

$129k–$171k / year

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

SpaceX Summer 2027 Graduate Engineer Internship/Co-op

Bastrop, TX · Bloomfield, CT · Brownsville, TX · Cape Canaveral, FL · Hawthorne, CA · Irvine, CA · Long Beach, CA · McGregor, TX · Palo Alto, CA · Redmond, WA · Vandenberg, CA · Woodinville, WA

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

Relativity Space Moonshot Engineer

Long Beach, CA

$144k–$307k / year

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

Rocket Lab Ground Systems Engineer I - Structures and Mechanisms

Wallops Island, VA

$71k–$95k / year

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

Blue Origin Senior Automation Mechanical Engineer

Austin, TX · Longmont, CO · Huntsville, AL

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

Anduril Industries Structures Engineer

Costa Mesa, CA

$129k–$171k / year

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

SpaceX Mechanical Engineer, Solar Cell Factory (Starlink)

Bastrop, TX

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

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Relativity Space Staff Propulsion Engineer, Engine Systems & Test

Long Beach, CA

$164k–$246k / year

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

Rocket Lab Payload Integration Engineer II

Long Beach, CA

$115k–$158k / year

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

Blue Origin Structural Analyst III

Space Coast, FL · Seattle, WA

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

Anduril Industries Senior Mechanical Engineer, Components and Propulsion

Costa Mesa, CA

$146k–$194k / year

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

SpaceX Spring 2027 Civil Engineering Internship

Hawthorne, CA · Cape Canaveral, FL · Brownsville, TX

$58k–$62k / year

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

Relativity Space Senior Propulsion Engineer, Engine Systems & Test

Long Beach, CA

$132k–$198k / year

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

Rocket Lab Lead Engineer, Tooling Design and Support

Middle River, MD

$115k–$188k / year

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

Blue Origin Mechanical Engineer III - New Glenn

Space Coast, FL · Seattle, WA

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

Anduril Industries Senior Propulsion Engineer

Costa Mesa, CA

$166k–$220k / year

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

SpaceX Spring 2027 Graduate Engineer Internship/Co-op

Bastrop, TX · Bloomfield, CT · Brownsville, TX · Cape Canaveral, FL · Hawthorne, CA · Irvine, CA · Long Beach, CA · McGregor, TX · Palo Alto, CA · Redmond, WA · Vandenberg, CA · Woodinville, WA

$83k–$100k / year

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

Relativity Space Principal Propulsion Engineer, Engine Systems & Test

Long Beach, CA

$185k–$277k / year

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

Rocket Lab Ground Systems Engineer II/Senior – Fluids

Wallops Island, VA

$87k–$135k / year

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

Blue Origin Mechanical Engineer II - New Glenn

Seattle, WA

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

Anduril Industries Senior Propulsion & Hydrodynamics Engineer

Costa Mesa, CA

$166k–$220k / year

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

SpaceX Spring 2027 Engineering Internship/Co-op

Bastrop, TX · Bloomfield, CT · Brownsville, TX · Cape Canaveral, FL · Hawthorne, CA · Irvine, CA · Long Beach, CA · McGregor, TX · Palo Alto, CA · Redmond, WA · Vandenberg, CA · Woodinville, WA

$58k–$62k / year

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

Relativity Space Senior Thermal Engineer

Long Beach, CA

$132k–$198k / year

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

Rocket Lab Spacecraft Structural Analysis Engineer I/II

Long Beach, CA

$82k–$144k / year

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

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Frequently asked questions

How many mechanical & physical systems jobs are on BuildList?: There are currently 2,663 open mechanical & physical systems roles listed on BuildList, refreshed hourly straight from company career pages.
What kinds of companies are hiring mechanical & physical systems?: Ambitious, fast-growing companies building the future — across AI, defense, aerospace, robotics, energy, and more. You can filter the list by sector, company stage, experience level, and location.
Are there remote mechanical & physical systems jobs?: Yes. Use the location filter, or open the remote view for this role to see only fully-remote mechanical & physical systems openings.
How do I apply for mechanical & physical systems jobs?: 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.