OptiTalent · Job Finder
Jobs in California, United States
68 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
61–68 of 68 jobs
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Senior Mechanical R&D Technician
7 months agoMainspring Energy · Menlo Park, California, United States
On-siteSenior$38.00 – $53.00 an hourTrades & logisticsWe are seeking enthusiastic and resourceful individuals with a strong mechanical background to join our growing Research & Development team as a Mechanical R&D Technician.
Staff Sales Engineer , Grid Scale
8 months agoMainspring Energy · Menlo Park, California, United States
RemoteLead / staff$170K – $200K a yearSalesDevelop plant-level system architecture, preliminary designs (site layouts, single-line diagrams, medium-voltage collector and step-up transformer configuration, and point of interconnection scope), and cost estimates from concept through execution handoff.; Articulate and…
Director of Mechanical Engineering
8 months agoMainspring Energy · Menlo Park, California, United States
On-siteDirector$237K – $267K a yearEngineeringLead multiple mechanical engineering teams responsible for delivering high-quality subsystem designs from concept through manufacturing. Own a significant portion of the mechanical engineering project portfolio. Develop and lead managers/technical leads in the execution of…
Mainspring Energy · Menlo Park, California, United States
On-siteLead / staff$181K – $213K a yearEngineeringThe technology that powers Mainspring’s Linear Generator is unlike any other generator technology on the market. The Linear Generator relies on innovative electrical power and control hardware systems to achieve its best-in-class efficiency while meeting the world’s strictest…
Mainspring Energy · Menlo Park, California, United States
On-siteSenior$147K – $173K a yearEngineeringThe technology that powers Mainspring’s Linear Generator is unlike any other generator technology on the market. The Linear Generator relies on innovative electrical power and control hardware systems to achieve its best-in-class efficiency while meeting the world’s strictest…
Senior Staff Technical Program Manager
9 months agoMainspring Energy · Menlo Park, California, United States
HybridLead / staff$178K – $209K a yearOperationsAre you someone who thrives on bringing clarity and structure to complex, fast-changing environments? Do you excel at leading cross-functional teams through technically challenging programs with real business impact?
Senior Commissioning Technician
9 months agoMainspring Energy · Menlo Park, California, United States +14
RemoteSenior$39.00 – $46.00 an hourTrades & logisticsMainspring Energy is seeking a highly motivated, mechanically inclined Senior Commissioning Operations Technician to join our growing Commissioning team. In this role, you will play a direct lead in completing planned and reactive service operations while transitioning into the…
Inventory Associate
11 months agoMainspring Energy · Menlo Park, California, United States
On-siteEntry level$23.00 – $26.50 an hourOperationsWe are searching for an organized and detail-oriented Inventory Associate to ensure our internal customers in Operations and Maintenance, R&D, and Contract Manufacturing are supplied with the critical parts and kits they need. In this position, you will play a key role in parts…
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.