Process Engineer Mountain View, CA

Lunar is searching for an experienced Staff Manufacturing Engineer to develop our manufacturing processes and equipment. This person will be responsible for taking ownership of a specific Lunar product and production line, working cross‑functionally to bring them into production. This person will work with internal product design and operations teams as well as external equipment vendors, integrators, and contract manufacturers.

Lunar Energy was founded to transition homes to 100% clean energy—making our electricity greener, our air cleaner and our energy more safe, secure and reliable for all. We’re a fast‑growing, global company building the world’s best clean energy products to electrify all homes and connect communities to form clean, resilient virtual power plants.

• Work alongside Operations and Engineering teams to develop new products from the requirements stage all the way through full production ramp
• Design the processes for assembling our products and work with equipment vendors, integrators, and contract manufacturers
• Travel to equipment vendors to audit their capabilities and buy‑off on equipment before shipment (FAT)
• Travel to contract manufacturers to set‑up processes, perform SATs with equipment vendors, and solve issues that come up during and after production ramp
• Collaborate with the Supplier Quality and Global Supply Management teams to ensure successful ramp for capacity, quality, and cost through identification of process improvements and root cause analyses
• Work closely with our manufacturing test organization to integrate and deploy world‑class test equipment and data flows into manufacturing lines at our partner sites
• Travel required, estimated at 20% average with heavier demands during equipment buy‑off and production ramp
• Develop process documentation (process flows, PFMEAs, cycle time charts, work instruction etc.) to share both internally and externally
• Utilize SPC to perform DOEs and analyze data in JMP or other statistical software

• 5+ years in a manufacturing and prototyping environment developing/improving processes, running prototype builds, specifying equipment, and overseeing equipment rollout and buy‑off
• Ability to manage product development work with a focus on prototyping efforts
• Proven track record of developing and launching production processes with a strong OEE
• Familiarity with statistical process control and analysis of quality issues
• Experience with industrial automation (Robot/PLC programming is a plus)
• Strong project management experience and an eye for detail and organization

We’re dedicated to creating a remarkable employee experience. At Lunar, competitive base pay is one part of our total compensation package. Lunar employees also have the opportunity to become Lunar shareholders by getting equity in a fast‑growing company and participating in our employee stock program.

• Medical, dental, and vision insurance for employees and dependents
• Tax deferred 401(k) plan
• Paid parental leave for all full‑time employees including 12 weeks paid parental leave for the birthing mother and 6 weeks paid parental leave for the non‑birthing parent
• Subsidized EV charging and pre‑tax commuter benefits

Lunar Energy is an equal‑opportunity employer. We are committed to attracting, developing and retaining diverse talent by supporting an inclusive workplace. Lunar recruits, hires, trains, promotes, compensates, and administers all personnel actions without regard to race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status or any other status protected by applicable law.

Our goal is to ensure that all Lunar Energy employees are fairly compensated. Please note that the salary range information that follows is a good faith estimate for this position provided pursuant to the Pay Transparency for Pay Equity Act for California applicants. The salary range estimate for this position depending on level of experience is: $145,000 - $190,000 USD.

The actual offer, reflecting the total compensation package & benefits, will be at the company’s sole discretion, and determined by factors including but not limited to years of experience, job level, geographic location, and other relevant business considerations. The company also reserves the right to amend or modify this job description, employee perks, and benefits at any time.