Jobs/Roles/Mechanical & Physical Systems

Mechanical & Physical Systems Jobs

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

2,514 open roles · Updated Sep 21, 2026

2,514 jobs

AMCA Junior Propulsion Component Engineer

El Segundo, CA

$100k–$130k / year

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

X-Bow Systems Mechanical Engineer (5+ years): Mechanical-Fluidic Systems

Socorro, NM

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

Shinkei Systems Mechanical Engineer

El Segundo, CA

$125k–$175k / year

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

Electra.aero Senior / Principal Flight Physics Engineer

Manassas, VA

$130k–$180k / year

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

Oklo Senior Maintenance Program Engineer

Remote · Santa Clara, CA

$150k–$200k / year

Job type: Mechanical & Physical Systems
Seniority: Senior
Sector: Energy & Climate

General Matter Summer 2027 Internship - Mechanical Engineering (HVAC)

Los Angeles, CA

Job type: Mechanical & Physical Systems
Seniority: Intern
Sector: Energy & Climate

Vulcan Elements R&D Materials & Process Engineer

Research Triangle Park, NC

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

The Boring Company Architect

Las Vegas, NV

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

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Sierra Space Mechanical Engineer II

Louisville, CO

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

Verkada Product Design Mechanical Engineer (Winter Co-op)

San Mateo, CA

$94k / year

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

Monumental Mechanical Engineer

Netherlands

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

VulcanForms Staff Product Development Engineer - Aerospace & Defense

Devens, MA

$125k–$172k / year

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

Re:Build Manufacturing Mechanical Engineer, Roll to Roll Web Conveyance Team Lead

Rochester, NY

$106k–$159k / year

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

Astrolab Lead Mechanical Engineer, Vehicle Engineering

Hawthorne, CA

$157k–$190k / year

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

Axiom Space Suits Verification and Validation Engineer

Houston, TX

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

Dexterity Senior Mechanical Engineer - Architectural Elements

Redwood City, CA

$150k–$190k / year

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

Octopus Energy Servicetechniker Wärmepumpe / Anlagenmechaniker SHK (m/w/d) - Region Ulm

Germany

$56k–$84k / year

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

Observable Space Mechanical Engineer

Los Angeles, CA

$100k–$140k / year

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

MatX Mechanical Engineering Lead - AI Rack Scale Systems

Mountain View, CA

$160k–$275k / year

Job type: Mechanical & Physical Systems
Seniority: Manager
Sector: Compute & Semiconductors

STARK Mechanical Design engineer

Germany

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

Cambium USA Vice President, Counter Laser & Directed Energy

El Segundo, CA

Job type: Mechanical & Physical Systems
Seniority: Director
Sector: Manufacturing

Astro Mechanica Lead Structures Engineer

San Francisco, CA

$180k–$220k / year

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

Last Energy Process Engineer

Austin, TX

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

Divergent Mechanical Engineer II, Factory Automation

Torrance, CA

$96k–$204k / year

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

StarCloud Thermal Engineer

Redmond, WA

$125k–$160k / year

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

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How many mechanical & physical systems jobs are on BuildList?: There are currently 2,514 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.