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Startup jobs in Silicon Valley

South of the city, the portfolio runs deep: Sunnyvale hardware floors, Peninsula AI labs, San Mateo product teams. Every open role between San Mateo and San Jose collects here. San Francisco proper has its own page.

968 open roles · Search and filter on the board →
968 roles · a16z portfolio plus wider market
Cohort 0
Replit · Foster City, CA · Intern
today Apply →
Flight Test Intern - Summer 2027
Skydio · San Mateo, California, United States · Intern
this week Apply →
Product Design Engineer Intern - Summer 2027
Skydio · San Mateo, California, United States · Intern
this week Apply →
Computational Scientist, Differentiable Physics
Periodic Labs · Menlo Park, CA · Full Time
this week Apply →
Autonomy Engineer Intern, Computer Vision / Deep Learning, Summer 2027
Skydio · San Mateo, California, United States · Intern
this week Apply →
Sensor Validation Engineer (Sunnyvale, CA)
Applied Intuition · Sunnyvale · Full Time
$122k - $230k this week Apply →
Senior Validation Engineer (Sunnyvale, CA)
Applied Intuition · Sunnyvale · Full Time
$120k - $190k this week Apply →
Cellular Compliance Engineer
Skydio · San Mateo, California, United States · Full Time
this week Apply →
Staff Cloud Engineer (R5801)
Shield AI · San Mateo, California · Full Time
$182k - $274k this week Apply →
Sr. Staff Lead Site Reliability Engineer (R5803)
Shield AI · San Mateo, California · Full Time
$220k - $340k this week Apply →
Senior Engineering Manager, Middleware
Skydio · San Mateo, California, United States · Full Time
this week Apply →
Staff DevSecOps Engineer (R5824)
Shield AI · San Mateo, California · Full Time
$180k - $280k this week Apply →
Senior Accountant
Forward Networks · Santa Clara, CA
this week Apply →
Mechanical Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Thermal Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Senior Mechanical Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Lead Mechanical Engineer, Laser Communications
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Lead Mechanical Engineer, Compute Systems
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
GNC Engineer
Cowboy Space Corporation · San Carlos, CA or Seattle, WA · Full Time
this week Apply →
Software Engineer, Hardware Test & Automation
Cowboy Space Corporation · San Carlos, CA or Seattle, WA · Full Time
this week Apply →
Software Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Senior Software Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
FPGA Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Firmware Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Export Control Director
Cowboy Space Corporation · San Carlos, CA or Seattle, WA · Full Time
this week Apply →
Sr. Engineering Manager - Architecture
Illumio · HQ - Sunnyvale (Office) · Full Time
$233k - $280k this week Apply →
Wiring Harness Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Senior Mechanisms Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Senior Integration & Test Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Optical Engineer, Lasers & Photonics
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Optical Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
DSP Software Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Senior Accounting Specialist
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Senior Test Software Engineer, AI Workloads
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Senior Radiation Effects & Resilience Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Senior Power Design Engineer – GPU Server Boards
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Senior Platform Firmware Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
PCB Layout Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
GPU System Reliability Engineer Lead
Cowboy Space Corporation · San Carlos, CA or Seattle, WA · Full Time
this week Apply →
Embedded Software Engineering Lead
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Electrical Engineer, Optical Communications
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Technical Program Manager, Avionics
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Staff Engineer, Optics & RF
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Space Communications Engineer
Cowboy Space Corporation · San Carlos, CA or Seattle, WA · Full Time
this week Apply →
Software Engineer, Reliability (Avionics / Compute Systems)
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Senior Battery Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Senior Avionics Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Principal Power Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Power Avionics Engineer
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →
Lab Manager, Avionics Hardware
Cowboy Space Corporation · San Carlos, California · Full Time
this week Apply →

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