Jobs/Roles/Mechanical & Physical Systems

Mechanical & Physical Systems Jobs

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

2,980 open roles · Updated Oct 19, 2026

2,980 jobs

Astranis Thermal Associate Engineer (Winter 2027)

San Francisco, CA

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

Neko Health Building Engineer Lead, US

New York, NY

$236k–$289k / year

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

Muon Space Mechanical Engineer

San Jose, CA

$153k–$172k / year

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

Quantum Systems Working Student Ground Robotics (m/f/d)

Germany

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

Shield AI Manager, Environmental Control Systems & Thermal Engineering (R6306)

Seattle, WA · Washington, D.C.

$200k–$300k / year

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

Tenstorrent Datacenter Liquid Cooling Architect

Canada

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

Crusoe Energy Project Engineer - Spark Deployments

San Francisco, CA

$145k–$200k / year

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

Flock Safety Field Technician - Minneapolis, MN

Remote · Minneapolis, MN · Saint Paul, MN

$55k–$65k / year

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

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Nscale Director, Pipeline Engineering

Houston, TX · United States

$170k–$290k / year

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

Anduril Industries Staff Mechanical Product Engineer (Production)

Australia

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

Antora Energy Mechanical Engineer, Plant Process Systems

San Jose, CA

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

Figure Senior Gear Design Engineer

San Jose, CA

$160k–$250k / year

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

Halter Field Specialist (Taranaki)

Remote · New Zealand

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

True Anomaly Senior Dynamics Analysis Engineer

Denver, CO · Long Beach, CA

$135k–$200k / year

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

Isar Aerospace Working Student – Piping System, Propulsion (m/f/d)

Germany

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

Stoke Space Mechanical Engineer (Payload Module Jettison Systems)

Kent, WA · Washington, D.C.

$129k–$194k / year

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

Swarm Aero Structures Analyst

Oxnard, CA

$155k–$210k / year

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

Neros Mission Integration Specialist

Torrance, CA

$68k–$95k / year

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

Saronic Mechanical Engineer - Forward Deployed

Austin, TX · San Diego, CA

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

Commonwealth Fusion Senior Mechanical Engineer

Milpitas, CA

$146k–$210k / year

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

Form Energy Mechanical Engineer I, R&D

Somerville, MA

$85k–$111k / year

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

CesiumAstro Summer 2027 - Flight Dynamics Internship

Huntsville, AL

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

Valar Atomics Staff Mechanical Engineer

Torrance, CA

$173k–$211k / year

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

CHAOS Industries Staff Thermal Engineer

El Segundo, CA

$150k–$230k / year

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

Helsing Lead Systems Engineer - LO Calculations & Supplier Parts

Germany

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

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How many mechanical & physical systems jobs are on BuildList?: There are currently 2,980 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.