Last updated: 2025-11-04
306 Mechanical Engineering jobs in San Francisco.
Astranis
We’ve launched five satellites into orbit, signed ten commercial deals worth over $1 billion in revenue, raised over $750 million from top global investors, an…
San Francisco
- Skills: mechanical systems, satellite, design, evaluation, manufacturing techniques, thermal analysis, mechanisms, composite structures, integrate parts, hardware development
 - Level: mid
 - Type: full_time
 
NEXTracker
NEXTracker is leading in the energy transition, providing the most comprehensive portfolio of intelligent solar tracker and software solutions for solar power …
Fremont
- Skills: Mechanical Design, Solar Tracker, Finite Element Analysis, SolidWorks, Prototyping, Manufacturing Drawings, Root Cause Analysis, Design Optimization, Tolerance Stack-ups, Renewable Energy
 - Level: mid
 - Type: contract
 
Oklo
Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical…
Santa Clara
- Skills: hot cell, radiological safety, nuclear engineering, robotics, remote handling systems, radiation shielding, CAD software, nuclear fuel recycling, engineering drawing standards, criticality safety
 - Level: mid
 - Type: full_time
 
Oklo Inc.
Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical…
Santa Clara
- Skills: mechanical analysis, finite element analysis, structural performance, engineering standards, documentation, collaboration, validation, verification, causal reasoning, clean energy technologies
 - Level: mid
 - Type: full_time
 
cellares
South San Francisco
- Skills: mechanical engineering, program management, BOM releases, manufacturability, technical program management, CM transfers, cross-functional, engineering documentation, technical liaison, hands-on design
 - Level: senior
 - Type: full_time
 
Reliable Robotics
We're building safety-enhancing technology for aviation that will save lives. Automated aviation systems will enable a future where air transportation is safer…
Mountain View
- Skills: manufacturing processes, supply chain, mechanical design, safety requirements, quality assurance, cost analysis, on-time delivery, electromechanical products, DFx reviews, aviation technology
 - Level: mid
 - Type: full_time
 
Form Energy
Form Energy is an American manufacturing and energy technology company focused on revolutionizing energy storage with cost-effective, multi-day technology desi…
Berkeley
- Skills: Battery Pack Systems, Prototyping, Mechanical Design, Manufacturing, System Integration, Vendor Engagement, Design Validation, Performance Optimization, Interdisciplinary Collaboration, First-principles Modeling
 - Level: senior
 - Type: full_time
 
Nimble Robotics
Nimble is a robotics and AI company inventing and scaling autonomous logistics with intelligent robots to enable fast, efficient, and sustainable commerce.
San Francisco
- Skills: mechanical engineering, robotics, Solidworks, machine design, Mechatronics, FEA, CNC, PCB integration, Jira, project management
 - Level: mid
 - Type: full_time
 
Redwood Materials
Redwood is localizing a global battery supply chain that seamlessly integrates recovery, reuse, and recycling — keeping critical minerals in circulation and dr…
San Francisco
- Skills: Manufacturing, Engineering, Process Optimization, High-Voltage Systems, Production Lines, Electromechanical Integration, Cost-Effective, High-Yield, DFM, NPI
 - Level: mid
 - Type: full_time
 
Oklo
Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical…
Santa Clara
- Skills: fuel performance analyses, modeling and simulation, finite element simulation, material analysis, Python, C++, nuclear fuel performance, fuel recycling, engineering analyses, reactor design
 - Level: mid
 - Type: full_time
 
Mainspring Energy
Mainspring Energy is revolutionizing power generation with the world’s most flexible and adaptable onsite power generator, the Mainspring Linear Generator. The…
Menlo Park
- Skills: Mechanical Engineering, 3D CAD modeling, SolidWorks, Engineering analysis, Verification and validation testing, Cross-functional collaboration, Mechanical prototyping, Manufacturing processes, Design for manufacturability, Clean energy
 - Level: senior
 - Type: full_time
 
Astranis
Backed by substantial funding and a passionate, collaborative team, we offer a rewarding work environment where you'll learn and make a significant impact, no …
San Francisco
- Skills: propulsion systems, manufacturing processes, CAD, welding, satellite, manufacturing engineering, robotic welding, automated welding, Machining, GD&T
 - Level: senior
 - Type: full_time
 
Bright Machines
We’re innovators and experts in our craft who have joined together to create a new category of manufacturing that will help transform the industry.
San Francisco
- Skills: automation, software engineering, geometric representations, CAD models, manufacturability, intelligent automation, greenfield development, assembly optimization, manufacturing technology, visualization
 - Level: senior
 - Type: full_time
 
Form Energy
An American manufacturing and energy technology company focused on revolutionizing energy storage with cost-effective, multi-day technology.
Berkeley
- Skills: energy storage, mechanical engineering, plastic components, injection molding, validation testing, CAD, data analysis, prototype fabrication, assembly design, manufacturing processes
 - Level: senior
 - Type: full_time
 
Bright Machines
Bright Machines is a next-generation, AI-enabled manufacturer focused on data center infrastructure assembly operations. Bright Machines uses its proprietary A…
San Francisco
- Skills: automation, systems engineering, robotics, AI, data center, lean engineering, technical sales, AutoCAD, SolidWorks, Industry 4.0
 - Level: senior
 - Type: full_time
 
Commonwealth Fusion Systems
Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent and new technologies, …
Milpitas
- Skills: fusion energy, CAD design, mechanical systems, Siemens NX, GD&T, team collaboration, thermal analysis, high-temperature superconductors, electro-mechanical, DFM principles
 - Level: mid
 - Type: full_time
 
Gantri
Gantri is the first digital manufacturer for design. We enable any designer or brand to create high-quality, sustainable design products 10x faster with no min…
San Francisco
- Skills: Design Engineering, Product Development, Design System, Sustainable Design, Quality Assurance, Manufacturing, Digital Factory, Team Leadership, Collaborative Design, Product Capabilities
 - Level: mid
 - Type: full_time
 
Kairos Power
Kairos Power is a new nuclear energy technology and engineering company whose mission is to enable the world’s transition to clean energy, with the ultimate go…
Alameda
- Skills: mechanical design, ASME pressure vessel, CAD tools, solidworks, fabrication, engineering leadership, high-performance systems, manufacturing methods, nuclear energy, collaboration
 - Level: senior
 - Type: full_time
 
OpenAI
OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the bounda…
San Francisco
- Skills: robotics, sensing technology, CAD modeling, tactile sensors, force sensors, prototyping, engineering analysis, mechanical systems, product design, equity
 - Level: senior
 - Type: full_time
 
Pacific Fusion
Pacific Fusion was founded in 2023 with the mission to power the world with abundant, affordable, clean energy. We are rapidly designing and building a pulsed …
San Leandro
- Skills: mechanical design, precision alignment, high-vacuum systems, tolerance analysis, FMEA, MATLAB, Python, CAD, system integration, metrology
 - Level: senior
 - Type: full_time