Senior ATE Mechanical Engineer

Lunar Energy • Mountain View, CA

5d • $150,000 - $170,000

About The Position

As a Senior ATE Mechanical Engineer at Lunar, you will be responsible for the full product development lifecycle of mechanical systems within Lunar’s home energy products. The role involves hands-on work across product design and development, applying fundamental physical principles, collaborating closely with a small, dedicated team, and supporting high-volume production suppliers.

The position works across the company to refine product concepts, assess solutions, test designs, and develop reliable, manufacturable parts and assemblies. It also includes creating and reviewing drawings and specifications, managing bills of materials and engineering releases, defining manufacturing and inspection processes, and working directly with part manufacturers on prototypes and production. The role includes approximately 10–20% travel as required, including onsite build support at domestic and international contract manufacturing sites.

Lunar Energy is a fast-growing global clean energy company working to electrify homes and connect communities through clean, resilient virtual power plants. The company’s mission is to help transition homes to 100% clean energy.

Requirements

• Extensive experience with 3D modeling software such as Onshape, NX, or SolidWorks.
• Detailed knowledge of 2D drawing creation and GD&T.
• Ability to perform tolerance analysis and stack-up analysis, statics and load-path analysis, finite element analysis, root-cause analysis, and Design Failure Modes and Effects Analysis.
• Familiarity with electronic test equipment and basic electromechanical troubleshooting.
• Experience with test fixtures, jigs, and mechanical components for high-cycle-count applications.
• Experience with fine-pitch assemblies and construction.
• Ability to conduct strain-gauge measurements, understand stress on PCBAs, and incorporate designs that avoid it.
• Experience with PCBA management, including Mechanical Control Outline generation.
• Working knowledge of pneumatic cylinders and control methods.
• Working knowledge of thermal-management techniques.
• Prototyping skills using 3D printing, machining, sheet-metal bending, laser cutting, milling, and general machine-shop tools.
• Experience communicating with component suppliers, including Design for Manufacturing report review, First Article Inspection, and Part Production Approval Process.
• Ability to generate work instructions for electromechanical assemblies.
• Knowledge of Process Failure Modes and Effects Analysis.
• Strong project leadership and cross-functional collaboration skills.
• Clear written and verbal communication skills, including concise slide-deck creation.
• Ability to give kind, direct feedback and receive feedback with an open mind.

Responsibilities

• Collaborate across the company to refine understanding of product impact, speed to market, and customer reliability.
• Brainstorm and evaluate solutions, weigh tradeoffs, and narrow down design options.
• Test ideas and designs through calculations, physical testing, and multiphysics simulations.
• Design high-performance, reliable, easy-to-manufacture parts and assemblies using high-volume manufacturing processes.
• Create and review drawings and part specifications.
• Manage bills of materials, cost and mass roll-ups, vendors, and engineering releases.
• Define manufacturing processes and inspection methods.
• Work directly with part manufacturers to support prototypes and production.
• Manage suppliers for parts required for station construction.
• Review Design for Manufacturing reports and support First Article Inspection and Part Production Approval Process activities.
• Generate work instructions for electromechanical assemblies and preventive maintenance documentation.
• Provide onsite build support at domestic and international contract manufacturing sites.
• Drive projects from start through deployment in collaboration with cross-functional teams, vendors, and technicians.
• Collaborate with electrical engineers, automated test engineers, and other engineers.
• Create detailed design documentation and concise slide decks, and communicate clearly in writing and verbally.
• Give constructive, direct feedback and receive feedback with an open mind.

Benefits

• Equity in a fast-growing company through Lunar’s employee stock program.
• Medical, dental, and vision insurance for employees and dependents.
• Flexible paid time off.
• 10 paid holidays.
• Tax-deferred 401(k) plan.
• Paid parental leave for all full-time employees, including 12 weeks for the birthing mother and 6 weeks for the non-birthing parent.
• Subsidized EV charging.
• Pre-tax commuter benefits.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed