Senior Mechanical Engineer Jobs in San Francisco Bay Area

107 open Senior Mechanical Engineer jobs in San Francisco Bay Area at 60 companies, including SpaceX, Cisco and Microsoft. Updated daily from company career pages.

SpaceX

SpaceX is an aviation and aerospace company that focuses on reducing the costs associated with space travel by using reusable rockets.

8 more open roles at SpaceX

Cisco

Cisco develops, manufactures, and sells networking hardware, telecommunications equipment, and other technology services and products.

Microsoft

DoorDash

DoorDash is a food delivery platform that connects customers with local and national business.

Qualcomm

Qualcomm designs, manufactures, and markets digital wireless telecommunications products and services.

Midjourney

Midjourney is a non-profit research lab that is investigating new thought mediums to improve the human species' inventive abilities.

Micron Technology

Micron Technology is a semiconductor company that produces DRAM, SDRAM, flash memory, SSD and CMOS image sensing chips.

Blue Origin

Blue Origin is an aerospace company that focuses on lowering the cost of spaceflight and helping to explore the solar system.

Span

Span develops residential energy storage devices that provide renewable electricity and charging services for electric vehicles.

Carbon

Carbon is a company that provides high-tech, waste reducing 3D printing services.

Penumbra

Penumbra develops clinically beneficial products that help patients suffering from stroke and other neurovascular diseases.

Kairos Power

Kairos Power is an ancient Greek word that relates the importance of timeliness and a call to action.

Cala Health

Cala Health provides bioelectronic medicines, medical devices, and neurotherapeutics.

Etched.ai

Etched.ai designing specialized chips for language model inference.

Muon Space

Muon Space focuses on dense, scientific-grade measurements of the atmosphere, ocean, and land.

Teleo

Teleo provides construction equipment by converting existing fleet into remote-controlled robots.

Astranis

Astranis is a space startup that builds small and low-cost telecommunications satellites to provide internet access in remote regions.

Lunar Energy

Lunar Energy powers homes around the world with endless clean energy.

OpenAI

OpenAI is an AI research and deployment company that conducts research and implements machine learning.

Amazon

Amazon is an e-commerce website for consumers, sellers, and content creators.

Updated 2026-10-11.