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Mechanical Design Engineer II

Join Astro Mechanica as a Mechanical Design Engineer II to own hardware design from concept to production in a fast-paced aerospace environment.

Location
San Francisco, United States
Compensation
Not disclosed
Level
mid
Type
full time · On-site

Posted by employer 1 day ago

First seen on Joblaze 2 hours ago

Last verified on the company career page 2 hours ago

What you'll build

  • Own the mechanical design of engine components
  • Complete detailed design and support analyses
  • Assemble prototypes and write work instructions
  • Test hardware and analyze data
  • Diagnose hardware problems and drive corrective actions

Must have

  • 3+ years of hands-on mechanical design experience
  • Proficiency in CAD modeling
  • Strong knowledge of manufacturing processes
  • Understanding of structural analysis and fluid mechanics

Nice to have

  • Experience with propulsion systems
  • Experience with high-temperature hardware
  • Familiarity with data acquisition
  • Exposure to electromechanical systems
  • Experience with flight hardware

Practical constraints

  • In-office work five days a week

Requirements

Experience
3+ years

Not disclosed in this posting: compensation, visa sponsorship.

Benefits

401k Match Flexible Work Paid Time Off Health Insurance

Joblaze summary

The Mechanical Design Engineer II at Astro Mechanica is responsible for the end-to-end design of engine components, ensuring that each design integrates effectively with surrounding systems. Proficiency in CAD modeling, particularly Siemens NX, along with a solid understanding of manufacturing processes and structural analysis, is essential for this role. Ideal candidates have at least three years of hands-on experience in mechanical design, preferably in aerospace or related fields, and thrive in a fast-paced environment where they can directly influence hardware performance.

Joblaze insights

  • Listed today — first seen on Joblaze October 23, 2026. Last confirmed on Astro Mechanica's careers page October 23, 2026.
  • CAD appears in 3.5% of 3221 comparable mid other roles in United States; fluid mechanics appears in 0.2% of 3221 comparable mid other roles in United States.

Quick facts

Is the Mechanical Design Engineer II role remote?
No — this is an on-site role in San Francisco, United States.
How much experience is required?
At least 3 years of relevant experience for this Mechanical Design Engineer II role.
Where is the role based?
Astro Mechanica is hiring for this position in San Francisco, United States.
What's the tech stack?
Joblaze extracted these technologies from the posting: CAD, Heat Transfer, Siemens NX, fluid mechanics, structural analysis.
What seniority level is this role?
Astro Mechanica targets mid-level candidates for this position.
Is this full-time or contract?
Full-time for this Mechanical Design Engineer II role at Astro Mechanica.

From the original posting

WHO WE ARE:

We're a team of hardcore engineers who live and breathe aerospace. We’re generalists who each have subject matter expertise and operate in a flat organizational structure. We move fast and build world-changing technology in a pragmatic and competent workplace culture.

WHO YOU ARE:

You’re a mechanical design engineer who takes full ownership of hardware from concept to production, and you understand how your designs affect the systems around them. You solve technical problems from first principles, and you’d rather build and test than theorize. You might come from aerospace, automotive, motorsport, robotics, energy, industrial machinery, or another field where hardware has to perform under real loads, temperatures, and pressures. Prior propulsion experience is a plus but not required. We’ll teach you the engine; we’re hiring for design judgment and hands-on rigor.

At Astro Mechanica, you’ll design hardware for Duality™, our jet engine built to be efficient from takeoff through supersonic flight. You’ll carry your designs from early prototype through flight qualification, vehicle integration, and aircraft flight, and you’ll embody the test-like-you-fly philosophy along the way.

WHAT YOU’LL DO:

  • Own the mechanical design of engine components and subsystems, from trade studies through detailed design and release

  • Weigh system-level impacts in your design trades, working closely with the propulsion, aircraft, and test teams

  • Complete detailed design and support structural, thermal, and fluid analyses

  • Present design reviews and use feedback from stakeholders to strengthen your designs

  • Assemble prototypes firsthand, design supporting tooling, and write work instructions

  • Test hardware and analyze the data to verify requirements and performance

  • Diagnose hardware problems quickly and drive corrective actions

WHAT WE’RE LOOKING FOR:

  • 3+ years of hands-on mechanical design experience, taking hardware from concept through build and test

  • Proficiency in solid, surface, and sheet metal CAD modeling in a major CAD package (Siemens NX preferred; we’ll support your transition from CATIA, Creo, or SolidWorks)

  • Strong knowledge of manufacturing processes, including machining, additive, and sheet metal, along with precision measurement and GD&T

  • A working understanding of structural analysis, heat transfer, and fluid mechanics

  • A track record of designing parts that got built, tested, and improved based on what the tests showed

  • Comfort in a fast-paced environment where priorities change as test results come in

  • High standards for detail and quality in your work

NICE TO HAVE:

  • Experience with propulsion systems, such as gas turbines, rocket engines, or other turbomachinery

  • Experience with high-temperature, high-speed rotating, or pressurized hardware

  • Familiarity with data acquisition and instrumentation

  • Exposure to electromechanical systems or power electronics integration

  • Experience with flight hardware or qualification testing

PERKS AND BENEFITS:

  • Comprehensive medical, dental, and vision insurance, including Flexible Spending Accounts (FSA)

  • 401(k) program and transparent stock option plan

  • Flexible work environment

  • Company-funded perks, including weekly team lunches and Astro Mechanica swag

Standard company text repeated across Astro Mechanica's postings is omitted here.

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