Senior Mechanical Design Engineer
Company websiteastromecha.co (Astro Mechanica, opens in new tab)
Base salary $150K to $225K
Employer-published annual base salary, USD. Advertised base range in San Francisco, CA
You apply on the employer's own site. Six Figure Work does not handle applications.
- LocationSan Francisco, CA
- WorkplaceWorkplace not stated
- Status at last checkSource accepting applications when checked
- Last checked (1 h ago) · observed since
About this job
ABOUT US:
Astro Mechanica is a vertically integrated aerospace company developing a scalable technology platform to power critical infrastructure, mission operations, and the future of flight. We apply aerospace engineering and quality standards across our products, delivering high performance, reliability, and efficiency for the most demanding operating environments. Astro Mechanica is backed by leading venture and strategic investors, including Andreessen Horowitz (a16z), Giant Step Capital, United Airlines Ventures, and Voyager Ventures.
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:
Astro Mechanica is seeking an experienced Senior Propulsion Engineer to join our growing team. The ideal candidate is someone who can take full ownership of hardware design from concept to production, and has a deep understanding of their impact on surrounding systems. Technical challenges are resolved from first principles. Your work at Astro Mechanica will have a direct impact on the configuration and performance of the Duality™ engine.
In this role, your mission will be to shepherd our innovative jet engine and subsystems hardware from early prototype through flight qualification, vehicle integration, and aircraft flight. You embody the test-like-you-fly philosophy.
WHAT YOU’LL DO:
Ideate on design trade studies while considering system-level impacts
Complete detailed design and support with structural, thermal, fluid analyses
Present design reviews and solicit feedback from stakeholders
Assemble prototypes firsthand, design complementary tooling, establish work instructions
Conduct hardware test and analyze data to verify requirements and performance metrics
Diagnose hardware problems efficiently and determine corrective actions
WHAT WE’RE LOOKING FOR:
7+ years hands-on experience with fluidic and mechanical systems, propulsion systems
Proficient in solid, surface, and sheet metal CAD modeling (Siemens NX)
Strong knowledge of manufacturing processes, precision measurement and GD&T
Understanding of propulsion systems, heat transfer, thermodynamics, and turbomachinery
Experience with data acquisition, instrumentation, and power electronics
Takes initiative for continuous improvement (not just completing assigned tasks)
Flexibility to work in fast-paced environment
Attentive to detail and maintain a high level of quality in all work
PERKS AND BENEFITS:
Comprehensive medical, dental, and vision insurance, including Flexible Spending Accounts (FSA)
401(k) program and transparent stock option plan
Self-managed and flexible time-off policy, including PTO, paid holidays, and sick time
Flexible work environment
Company-funded perks, including weekly team lunches and Astro Mechanica swag
ADDITIONAL INFORMATION:
At Astro Mechanica, we highly value in-office work to foster collaboration and strengthen our company culture. We consider working in the office five days a week an essential part of the employee's role.
Astro Mechanica is an equal opportunity employer. We proudly recruit and hire a diverse workforce and are committed to creating an inclusive environment for all employees.
Source: Astro Mechanica on Ashby · View original posting (opens in new tab)
This listingSenior Mechanical Design Engineer$150K to $225K
Senior Propulsion Design Engineer$150K to $225K
Senior Tooling Design Engineer, Airframe Manufacturing$150K to $190K
Director of Marketing$150K to $180K
Senior Build Engineer, Airframe Composites Manufacturing$150K to $190K
Technical Buyer$155K to $185K
Procurement Associate$155K to $185K
Chart as a table
| Role | Published base |
|---|---|
| Senior Mechanical Design Engineer (this listing) | $150K - $225K |
| Senior Propulsion Design Engineer | $150K - $225K |
| Senior Tooling Design Engineer, Airframe Manufacturing | $150K - $190K |
| Director of Marketing | $150K - $180K |
| Senior Build Engineer, Airframe Composites Manufacturing | $150K - $190K |
| Technical Buyer | $155K - $185K |
| Procurement Associate | $155K - $185K |
Observed changes
- First observed on the employer's board
- Began meeting the published-salary criteria
- Observed since
- Employer-stated posting date
- 2026-07-07
Where this pay comes from
Location as the employer wrote it: San Francisco
USD 150,000 – 225,000 · 1 YEAR · Salary
- Method
- Structured pay field published by the employer
- Checked
- Rule set
- us-base-v2
The employer's job board publishes this pay as a dedicated data field. We read the field directly; no interpretation was needed.
What we verified
- The pay figures come from the employer's own listing, quoted exactly above.
- The pay is an annual base salary in US dollars with a minimum of at least $100,000.
- The role was publicly listed on the employer's job board when last checked.
We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.
