Jobs/Mechanical & Physical Systems/Austin

Mechanical & Physical Systems Jobs in Austin

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

203 open roles · Updated Sep 22, 2026

203 jobs

Aalo Atomics Senior Mechanical Engineer

Austin, TX

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

Saronic Mechanical Engineer – Infrastructure

Austin, TX

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

Fluidstack BIM Engineer

Austin, TX · New York, NY · San Francisco, CA · Los Angeles, CA · Seattle, WA

$164k–$206k / year

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

Firefly Aerospace Propulsion Engineer I (Spacecraft Fluids)

Cedar Park, TX

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

SpaceX Tooling Engineer, AI Satellites (Starmind)

Bastrop, TX

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

Aalo Atomics Summer 2027 Mechanical Engineering Internship/Co-op - Austin, TX

Austin, TX

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

Saronic Marine Mechanical Engineer (Associate - Principal)

Austin, TX · New Orleans, LA

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

Fluidstack Mechanical Utilities, BTM R&D

Austin, TX · New York, NY · San Francisco, CA · Los Angeles, CA · Seattle, WA

$208k–$263k / year

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

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Firefly Aerospace Propulsion Engineer III (Spacecraft Fluids)

Cedar Park, TX

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

SpaceX Field Engineer (Site Development)

McGregor, TX

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

Aalo Atomics Senior Materials Engineer – Testing & Structural Materials

Austin, TX

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

Saronic Camera Optomechanical Engineer

Austin, TX

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

Fluidstack Mechanical Energy Storage, BTM R&D

Austin, TX · New York, NY · San Francisco, CA · Los Angeles, CA · Seattle, WA

$208k–$263k / year

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

Firefly Aerospace Propulsion Engineer II - Spacecraft Engine Team

Cedar Park, TX

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

SpaceX MEP/Construction Engineer

Bastrop, TX

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

Aalo Atomics Spring 2027 Mechanical Engineering Internship/Co-op - Austin, TX

Austin, TX

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

Saronic Hardware Engineer - Forward Deployed

Austin, TX

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

Fluidstack Mechanical Engineer, R&D

Austin, TX · New York, NY · San Francisco, CA · Los Angeles, CA · Seattle, WA

$208k–$263k / year

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

Firefly Aerospace Payload Engineer III

Cedar Park, TX

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

SpaceX New Graduate Engineer, Mechanical - '26/'27 (Starlink)

Bastrop, TX

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

Saronic Mechanical Engineer, Hardware Integration

Austin, TX · New Orleans, LA

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

Fluidstack Mechanical Engineer, Robotics

Austin, TX · New York, NY · San Francisco, CA · Los Angeles, CA · Seattle, WA

$208k–$263k / year

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

Firefly Aerospace Analysis Engineer II (Spacecraft)

Cedar Park, TX

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

SpaceX Engineering Manager, Wastewater Treatment & Ultrapure Water (Starlink)

Bastrop, TX

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

Saronic Structures Engineer (Associate - Principal)

Austin, TX · New Orleans, LA

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

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Frequently asked questions

How many mechanical & physical systems jobs are in Austin?: There are currently 203 open mechanical & physical systems roles in Austin on BuildList, refreshed hourly from company career pages.
What companies hire mechanical & physical systems talent in Austin?: 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 Austin?: 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 Austin?: 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.