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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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  • a16z
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  • Founders Fund
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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 33Next
Cowboy Space logo
Sr. Controls Engineer
1/20Posted 2 weeks ago

Cowboy Space · Seattle, King County, Washington

$165,000 - $190,000
Onsite
20 results on this page
Jobs per page
PreviousPage 33Next
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
C/C++
Controller Area Network
Kalman Filtering
LabVIEW
+7 more
Posted 2 weeks agoSee job

Senior Controls Engineer at Cowboy Space Corp. to design and develop motor controls, automation sequences, and embedded control systems for fluid systems in launch and propulsion. Requires 3+ years of controls experience and embedded C/C++. On-site in Seattle, WA.

Cowboy Space logo
DSP Software Engineer
2/20Posted 2 weeks ago

Cowboy Space · San Carlos, San Mateo County, California

$167,000 - $214,000
Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
C/C++
CI/CD
CUDA
Digital Signal Processing
+6 more
Posted 2 weeks agoSee job

Cowboy Space Corp is seeking a DSP Software Engineer to develop real-time signal processing algorithms for space-based communications and sensing systems. The role involves designing, implementing, and optimizing high-performance software in C/C++ for embedded and real-time applications, collaborating with FPGA, RF, and avionics teams.

Cowboy Space logo
Senior Manager Primary Structures
3/20Posted 2 weeks ago

Cowboy Space · Seattle, King County, Washington

$150,000 - $225,000
Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
Composites
Finite Element Analysis
Structural Analysis
Welding
Posted 2 weeks agoSee job

Cowboy Space Corp. seeks a Senior Manager of Primary Structures to own the design, build, and performance of launch vehicle primary structures including airframe, tanks, and thrust structure. This role requires 8+ years of structural engineering experience and leadership skills, offering $150k-$225k in Seattle, WA.

Cowboy Space logo
Flight Software Engineer
4/20Posted 2 weeks ago

Cowboy Space · Seattle, King County, Washington

$200,000 - $250,000
Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
Avionics
C Programming Language
C++
Guidance, Navigation & Control
+4 more
Posted 2 weeks agoSee job

Senior Flight Software Engineer responsible for owning payload flight software in Rust, including architecture, state machines, and telemetry. Lead technical owner driving the software toward on-orbit demonstration.

Cowboy Space logo
Space Communications Engineer
5/20Posted 2 weeks ago

Cowboy Space · San Carlos, San Mateo County, California

$182,000 - $243,000
Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
Simulink
Vector Network Analyzer
Posted 2 weeks agoSee job

We are seeking an experienced Space Communication Systems Engineer to design, analyze, and validate wireless communication systems for satellite platforms. The role covers RF front-end, antenna design, modem architecture, and ground station integration across S-band, X-band, K-band, and UHF. Requires 7+ years of experience and strong RF fundamentals.

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Cowboy Space logo
Technical Program Manager, Avionics
6/20Posted 2 weeks ago

Cowboy Space · San Carlos, San Mateo County, California

$145,000 - $220,000
Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
Avionics
DO-254
Embedded Software
FPGA
+8 more
Posted 2 weeks agoSee job

Cowboy Space Corp. seeks an experienced Technical Program Manager to drive execution of next-generation avionics hardware, anchoring the development lifecycle from concept through qualification and mission integration while bridging Engineering, Supply Chain, Manufacturing, and Quality teams.

Cowboy Space logo
Lab Manager, Avionics Hardware
7/20Posted 2 weeks ago

Cowboy Space · San Carlos, San Mateo County, California

$113,000 - $185,000
Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
Avionics
BGA Packaging
Crimping
ERP Systems
+1 more
Posted 2 weeks agoSee job

Cowboy Space Corp. is seeking a Lab Manager for Avionics Hardware to oversee daily lab operations, safety, and organization. Responsibilities include managing equipment, inventory, performing precision soldering and harness fabrication, and supporting engineering teams. Requires 3+ years of experience in hardware lab management.

Cowboy Space logo
Avionics Technician
8/20Posted 2 weeks ago

Cowboy Space · San Carlos, San Mateo County, California

Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
Avionics
Continuity Testing
Crimping
Engineering Drawings
+2 more
Posted 2 weeks agoSee job

Cowboy Space Corp. is seeking an Avionics Technician to install, test, and repair avionics systems on launch vehicles and spacecraft. This role involves wire harness fabrication, functional checkouts, and supporting integration in cleanroom environments. Requires 2+ years of experience in aerospace/defense avionics assembly and testing.

Cowboy Space logo
Sr. Battery Engineer
9/20Posted 2 weeks ago

Cowboy Space · San Carlos, San Mateo County, California

$167,000 - $230,000
Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
Avionics
DFM/DFA (Design for Manufacturability & Assembly)
Failure Mode and Effects Analysis (FMEA)
Kalman Filtering
+4 more
Posted 2 weeks agoSee job

Cowboy Space Corp. seeks a Senior Battery Engineer to own the design, development, integration, and qualification of spacecraft battery systems. This hands-on role involves developing reliable energy storage solutions for space missions, working across power electronics, thermal, and mechanical teams.

Cowboy Space logo
Avionics Test Engineer
10/20Posted 2 weeks ago

Cowboy Space · San Carlos, San Mateo County, California

$110,000 - $150,000
Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
Controller Area Network
Ethernet
FPGA
I2C
+6 more
Posted 2 weeks agoSee job

Cowboy Space Corp. seeks an Avionics Test Engineer to lead validation, integration, and qualification of spacecraft electronics. The role involves developing test systems, automated test equipment, and performing board-level bring-up and troubleshooting to ensure mission readiness.

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Cowboy Space logo
FPGA Software Engineer
11/20Posted 2 weeks ago

Cowboy Space · San Carlos, San Mateo County, California

$150,000 - $200,000
Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
C/C++
Embedded Linux
FPGA
Python
+1 more
Posted 2 weeks agoSee job

Cowboy Space Corp. is hiring an FPGA/RTL engineer to design and own HDL for flight-critical sensor interfaces and high-speed data processing for their orbital compute payload. The role involves developing SystemVerilog/Verilog, debugging with lab equipment, and supporting embedded Linux integration. Full-time onsite in San Carlos, CA.

Cowboy Space logo
Export Control Director
12/20Posted 2 weeks ago

Cowboy Space · San Carlos, San Mateo County, California

Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
Posted 2 weeks agoSee job

Cowboy Space Corp is seeking an Export Control Director to build and scale the company's export compliance program from the ground up, owning ITAR/EAR compliance and partnering with engineering and operations. This is the first dedicated export compliance hire, reporting to the COO/CLO.

Cowboy Space logo
Sr. Mechanisms Engineer
13/20Posted 2 weeks ago

Cowboy Space · San Carlos, San Mateo County, California

$152,000 - $220,000
Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
Closed-Loop Control
GD&T
SolidWorks
Posted 2 weeks agoSee job

Cowboy Space Corp. seeks a Senior Mechanisms Engineer to own gimbal mechanism development for laser communications payloads. The role spans design, analysis, procurement, integration, and qualification of flight mechanisms. Requires 5+ years of experience in aerospace or defense programs.

Cowboy Space logo
Principal Power Engineer
14/20Posted 2 weeks ago

Cowboy Space · San Carlos, San Mateo County, California

$155,000 - $245,000
Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
GPU Clusters
PCB Design & Layout
Posted 2 weeks agoSee job

Cowboy Space Corp. is seeking a Principal Power Engineer to lead the design and development of high-voltage, high-power DC/DC conversion systems for terrestrial and space-based data center infrastructure. The role focuses on architecting power delivery solutions for GPU clusters, with responsibilities spanning converter topologies, magnetic components, PCB design, and system integration.

Cowboy Space logo
Senior Power Design Engineer – GPU Server Boards
15/20Posted 2 weeks ago

Cowboy Space · San Carlos, San Mateo County, California

$150,000 - $200,000
Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
CAD
Oscilloscope
PCB Design & Layout
Schematic Capture
+1 more
Posted 2 weeks agoSee job

Cowboy Space Corp. is seeking a Senior Power Design Engineer to lead board-level DC-DC power conversion and input protection for GPU servers in a space infrastructure context. The role involves designing, validating, and troubleshooting power systems for orbital deployment, collaborating with cross-functional teams, and owning critical hardware.

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Cowboy Space logo
PCB Layout Engineer
16/20Posted 2 weeks ago

Cowboy Space · San Carlos, San Mateo County, California

$128,000 - $160,000
Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
Altium Designer
Ethernet
High-Speed Digital Interfaces
Mixed-Signal PCB Design
+4 more
Posted 2 weeks agoSee job

Cowboy Space Corp. seeks a PCB Layout Engineer to own the design of high-performance PCBs for spacecraft avionics, power, RF, and compute systems. Collaborate with cross-functional teams to deliver manufacturable layouts with strong signal integrity and reliability. Requires 1-5+ years of experience and proficiency with industry-standard PCB tools.

Cowboy Space logo
Fluids Engineer
17/20Posted 2 weeks ago

Cowboy Space · Seattle, King County, Washington

Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
Additive Manufacturing
CATIA
Finite Element Analysis
SolidWorks
+1 more
Posted 2 weeks agoSee job

Cowboy Space Corp. is seeking a Fluids Engineer to own the design and development of fluid system hardware for propulsion, fluids, and thermal management architectures, including valves, tanks, tubing, and integrated subsystems, from concept through flight.

Cowboy Space logo
Senior People Operations Generalist
18/20Posted 2 weeks ago

Cowboy Space · Seattle, King County, Washington

$160,000 - $180,000
Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
Posted 2 weeks agoSee job

Cowboy Space Corp is seeking a Senior People Operations Partner to be the strategic and operational backbone of the People function, supporting growth from 55 to 200+ employees. This role will own employee lifecycle, HRIS transition, benefits, engagement, and compliance for the Seattle office.

Cowboy Space logo
Mechanisms Engineer - Aero Control Surfaces
19/20Posted 2 weeks ago

Cowboy Space · Seattle, King County, Washington

Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
Abaqus
ANSYS
Avionics
CAD
+8 more
Posted 2 weeks agoSee job

Cowboy Space Corp. is seeking a Mechanisms Engineer to own critical vehicle mechanism subsystems from concept through flight, including separation systems, landing gear, or aero control surfaces. This hands-on role involves design, analysis, test, and flight validation, with a focus on minimum mass and high reliability for reusable launch vehicles. Requires 5+ years of experience and expertise in CAD and FEA.

Cowboy Space logo
Mechanisms Engineer - Landing Gear System
20/20Posted 2 weeks ago

Cowboy Space · Seattle, King County, Washington

$150,000 - $180,000
Onsite
Series B
$100M-$1B
Andreessen Horowitz (a16z)
Index Ventures
+1 more
Abaqus
ANSYS
CATIA
Creo
+7 more
Posted 2 weeks agoSee job

Cowboy Space Corp. is seeking a Mechanisms Engineer to own critical vehicle mechanism subsystems (e.g., landing gear, separation systems) from concept through flight. This hands-on role involves design, analysis, testing, and collaboration with propulsion, structures, and avionics teams to ensure mission success.

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Narrow your alert

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