Mechanical Engineer Jobs in Los Angeles, California

69 open Mechanical Engineer jobs in Los Angeles, California at 10 companies, including Blue Origin, Hadrian and Shield AI. Updated daily from company career pages.

Blue Origin

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

42 more open roles at Blue Origin

Hadrian

Hadrian is a machine parts startup that manufactures precision components for technology companies.

2 more open roles at Hadrian

Shield AI

Shield AI is an artificial intelligence company that aims to protect service members and civilians with intelligent systems.

Heart Aerospace

Heart makes electric airplanes with an all-electric range of 250 miles

Crane Co

Crane Co is a manufacturing of engineered industrial products.

Hermeus

Hermeus is developing Mach 5 aircraft to speed up the global transportation network.

Parallel

Parallel cultivates, produces, and processes cannabis for medical purposes.

KittyCAD

KittyCAD is an infrastructure company that build tools for automation, websites, and apps.

Venti Technologies

Venti Technologies is an autonomous vehicles developer company that develops autonomous logistics systems for moving goods and people.

Hgen

Hgen provides affordable green hydrogen for deep decarbonization.

Updated 2026-10-11.