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Join a startup on the way up — not a bet, not a giant.

Tech roles at Series A–C companies backed by Sequoia, a16z, Benchmark & other top-tier VCs

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Open roles

High-signal tech roles at Series A–C companies, refreshed as boards update.

20 results on this page
Jobs per page
PreviousPage 29Next
Astro Mechanica logo
Senior Transmission Design Engineer
1/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$150,000 - $225,000
Onsite
20 results on this page
Jobs per page
PreviousPage 29Next
Series A
$10M-$100M
Andreessen Horowitz (a16z)
ANSYS
Posted 2 weeks agoSee job

Senior Transmission Design Engineer needed to architect, analyze, build, and test high-speed power transmission systems for a turboelectric adaptive jet engine at Astro Mechanica, an aerospace company focused on democratizing supersonic flight.

Astro Mechanica logo
Mechanical Integration Engineer
2/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$90,000 - $175,000
Onsite
Series A
$10M-$100M
Andreessen Horowitz (a16z)
Python
Teamcenter
Posted 2 weeks agoSee job

Astro Mechanica is seeking a Mechanical Integration Engineer to design aircraft structures, own the mass properties model, and build CAD automation tools. You'll work across structures and systems, improving engineering workflows and supporting flight test.

Astro Mechanica logo
Senior Rotordynamics Engineer
3/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$150,000 - $225,000
Onsite
Series A
$10M-$100M
Andreessen Horowitz (a16z)
MATLAB
Python
Siemens NX
Turbomachinery
Posted 2 weeks agoSee job

Astro Mechanica seeks a Senior Rotordynamics Engineer to lead rotordynamic analysis of turbomachinery systems, develop computational models, and partner with manufacturing. Requires 5+ years of experience in turbomachinery design and proficiency in tools like StarCCM+, AxSTREAM, and MATLAB.

Astro Mechanica logo
Senior Structures Design Engineer
4/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$160,000 - $200,000
Onsite
Series A
$10M-$100M
Andreessen Horowitz (a16z)
Aerodynamics
Composites
Propulsion Systems
Posted 2 weeks agoSee job

Astro Mechanica is seeking a Senior Structures Design Engineer to take ownership of major structural modules on aircraft, from concept through flight hardware. The role involves designing composite and metallic structures, leading trade studies, and mentoring engineers.

Astro Mechanica logo
Procurement Associate
5/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$155,000 - $185,000
Onsite
Series A
$10M-$100M
Andreessen Horowitz (a16z)
Posted 2 weeks agoSee job

Astro Mechanica is seeking a Procurement Associate to drive procurement and vendor operations for a fast-paced aerospace hardware environment. The role involves sourcing parts, managing suppliers, and ensuring timely delivery to support engineering and manufacturing teams.

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Astro Mechanica logo
Chief Engineer, Defense
6/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$220,000 - $300,000
Onsite
Series A
$10M-$100M
Andreessen Horowitz (a16z)
Avionics
MIL-STD Compliance
Propulsion Systems
System Integration
Posted 2 weeks agoSee job

Astro Mechanica is seeking a Chief Engineer to lead technical development of military aircraft applications, overseeing all engineering disciplines, stakeholder communication, and design authority for a fast-moving aerospace development effort.

Astro Mechanica logo
People Operations Specialist
7/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$115,000 - $170,000
Remote
Series A
$10M-$100M
Andreessen Horowitz (a16z)
Posted 2 weeks agoSee job

Astro Mechanica is seeking a People Operations Specialist to own the employee journey from offer acceptance through offboarding, build scalable HR processes, and manage benefits, compliance, and recruiting operations. This remote role requires 3-6+ years of HR operations experience and a people-first mindset.

Astro Mechanica logo
Senior Wiring Specialist
8/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$40 - $50
Onsite
Series A
$10M-$100M
Andreessen Horowitz (a16z)
Data Acquisition Systems
Posted 2 weeks agoSee job

Senior Wiring Specialist at Astro Mechanica: fabricate, assemble, and maintain electrical systems for rigorous testing of innovative jet engines. On-site in San Francisco. $40-$50/hour.

Astro Mechanica logo
PLM Administrator
9/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$150,000 - $210,000
Onsite
Series A
$10M-$100M
Andreessen Horowitz (a16z)
APIs
CAD
ERP Systems
Python
+1 more
Posted 2 weeks agoSee job

Astro Mechanica is seeking a PLM Engineer to own the architecture, implementation, and operation of Teamcenter, NX, and engineering systems. This role will define the long-term roadmap for engineering systems while remaining hands-on. Requires 5+ years of PLM experience and proficiency with Siemens Teamcenter, NX, and BMIDE.

Astro Mechanica logo
Entry-Level Propulsion Design Engineer
10/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$115,000 - $145,000
Onsite
Series A
$10M-$100M
Andreessen Horowitz (a16z)
Data Acquisition
GD&T
Heat Transfer
Power Electronics
+3 more
Posted 2 weeks agoSee job

Astro Mechanica is seeking an entry-level Propulsion Engineer to take ownership of hardware design from concept to production, focusing on the Duality™ engine. The role involves detailed design, analysis, prototyping, and testing of propulsion systems.

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Astro Mechanica logo
Senior Propulsion Development Engineer
11/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$150,000 - $225,000
Onsite
Series A
$10M-$100M
Andreessen Horowitz (a16z)
Data Acquisition
MATLAB
Propulsion Systems
Python
Posted 2 weeks agoSee job

Senior Propulsion Development Engineer at Astro Mechanica, responsible for testing and developing a turboelectric adaptive jet engine from prototype to flight. Includes test planning, data analysis, and hardware integration. Requires 5+ years of experience in propulsion systems.

Astro Mechanica logo
Mechanical Systems Design Engineer
12/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$135,000 - $170,000
Onsite
Series A
$10M-$100M
Andreessen Horowitz (a16z)
Fluid Analysis
GD&T
Heat Transfer
SolidWorks
+2 more
Posted 2 weeks agoSee job

Astro Mechanica seeks an experienced Mechanical Systems Design Engineer to own hardware design from concept to production, perform trade studies and analyses, and support prototyping and flight tests for supersonic aircraft. The role requires 2-5+ years of experience and proficiency in CAD tools.

Astro Mechanica logo
Senior Turbomachinery Engineer
13/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$150,000 - $225,000
Onsite
Series A
$10M-$100M
Andreessen Horowitz (a16z)
GD&T
MATLAB
Python
Siemens NX
Posted 2 weeks agoSee job

Astro Mechanica is seeking a Senior Turbomachinery Engineer to lead rotordynamic analysis and development of terrestrial and aviation turbomachinery. The role involves modeling, testing, and design of rotating systems, with a focus on critical speed prediction, stability, and bearing systems.

Astro Mechanica logo
GNC Engineer
14/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$140,000 - $180,000
Onsite
Series A
$10M-$100M
Andreessen Horowitz (a16z)
C++
Guidance, Navigation & Control Systems
Python
Rust
Posted 2 weeks agoSee job

Astro Mechanica seeks a GNC Engineer to own guidance, navigation, and control systems for a clean-sheet autonomous aircraft. You'll develop 6-DOF simulations, control design tools, and support flight tests.

Astro Mechanica logo
Mechanical Systems Engineer, Gearbox
15/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$150,000 - $225,000
Onsite
Series A
$10M-$100M
Andreessen Horowitz (a16z)
ANSYS
Posted 2 weeks agoSee job

Astro Mechanica is looking for a Mechanical Systems Engineer to take ownership of design and validation of high-speed power transmission systems for their turboelectric adaptive jet engine. The role involves architecting, analyzing, building, and testing critical power transmission systems, collaborating with propulsion, aircraft, and test teams. Requires 5+ years of experience in transmission design and test.

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Astro Mechanica logo
Senior Power Electronics Engineer
16/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$175,000 - $230,000
Onsite
Series A
$10M-$100M
Andreessen Horowitz (a16z)
Altium Designer
Power Electronics
Power Systems
Schematic Capture
+1 more
Posted 2 weeks agoSee job

Astro Mechanica is seeking a Senior Power Electronics Engineer to develop high-performance power converters for aerospace applications. The role involves full product lifecycle from concept to production, with 5+ years of experience required.

Astro Mechanica logo
Senior Propulsion Design Engineer
17/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$150,000 - $225,000
Onsite
Series A
$10M-$100M
Andreessen Horowitz (a16z)
CAD Modeling
Data Acquisition
Fluid Analysis
GD&T
+8 more
Posted 2 weeks agoSee job

Senior Propulsion Design Engineer at Astro Mechanica, a vertical aerospace company. Responsible for designing and developing jet engine hardware from prototype to flight, requiring 7+ years of experience. Full-time onsite in San Francisco.

Astro Mechanica logo
Facilities Manager
18/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$120,000 - $180,000
Onsite
Series A
$10M-$100M
Andreessen Horowitz (a16z)
Computerized Maintenance Management System
HVAC
Posted 2 weeks agoSee job

Astro Mechanica is seeking a Facilities Manager to own day-to-day operations across its San Francisco sites, overseeing manufacturing, test/prototyping, and office facilities. The role includes managing vendors, safety compliance, capital projects, and scaling facility operations.

Astro Mechanica logo
Senior Mechanical Design Engineer
19/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$150,000 - $225,000
Onsite
Series A
$10M-$100M
Andreessen Horowitz (a16z)
Data Acquisition
GD&T
Heat Transfer
Power Electronics
+4 more
Posted 2 weeks agoSee job

Astro Mechanica seeks a Senior Mechanical Design Engineer to own propulsion hardware design from concept to production. The role involves detailed design, prototyping, and testing of jet engine subsystems. Requires 7+ years experience and proficiency in Siemens NX.

Astro Mechanica logo
Senior Thermal Systems Design Engineer
20/20Posted 2 weeks ago

Astro Mechanica · San Francisco, San Francisco County, California

$150,000 - $225,000
Onsite
Series A
$10M-$100M
Andreessen Horowitz (a16z)
CAD Modeling
GD&T
Heat Transfer
Propulsion Systems
+2 more
Posted 2 weeks agoSee job

Astro Mechanica is seeking a Senior Thermal Systems Design Engineer to own thermal management system design from concept to production. The role involves CAD modeling, fluid network modeling, and validation, requiring 5+ years of experience in propulsion or complex thermal environments. This is an onsite role based in San Francisco, CA.

Daily job alert

Get new VC-backed tech jobs in your inbox every morning.

Narrow your alert

Free daily email. Confirm via link to activate. Unsubscribe anytime.