---
title: 'Staff Reliability Engineer - Power Electronics at Lunar Energy'
canonical: 'https://feeny.ai/job/staff-reliability-engineer-power-electronics-lunar-energy-mountain-view-ashrkzjd70f9'
type: 'job'
last_seen: '2026-09-09'
---

# Staff Reliability Engineer - Power Electronics at Lunar Energy

- **Company:** Lunar Energy
- **Location:** Mountain View, CA
- **Posted:** 2026-09-03
- **Last confirmed live:** 2026-09-09
- **Apply:** https://job-boards.greenhouse.io/lunarenergy/jobs/6181852004

## Job description

Staff Reliability Engineer - Power Electronics

Reliability Engineers at Lunar Energy will be responsible for ensuring product reliability throughout the entire lifecycle of our revolutionary home energy products. This includes providing input during the design phases, developing test plans, and assessing on-going field performance. We are looking for people who are passionate about a more sustainable future and want to make that vision a reality. An ideal candidate is someone who is excited to collaborate with a diverse and dedicated team

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.

On a given day at Lunar, you’ll likely…

- Collaborate with mechanical and electrical engineers during hardware design to establish and refine component and system level reliability targets for our power electronics and battery systems.
- Provide Design for Reliability (DfR) inputs during new product development.
- Drive Design Failure Modes and Effects Analyses (DFMEA) for various systems to capture performance risks and implement appropriate mitigation activities.
- Develop ALT Reliability Test Plans for components and subsystems using identified risks, reliability targets, and physics of failures methodology to demonstrate the required product reliability throughout its design life.
- Track field reliability performance for various metrics like part replacements, customer complaints, fault codes.  Identify opportunities for continuous product improvement and reliability growth.  Collaborate with the finance team to provide insights into our warranty program.
- Drive failure analysis of reliability test and/or field returns to determine root cause and drive product improvement through containment and corrective actions.

Desired Skills:

- Degree in Mechanical Engineering, Electrical Engineering, Chemical Engineering, Physics or Equivalent.
- Proven track record of solving complex power electronics reliability failures
- Working knowledge in theory of operation of common power converter topologies (inverter, buck boost converter…etc)
- Strong grasp of PCBA-level failure physics (CTE mismatch, solder fatigue, contact resistance, insulation degradation)
- Familiarity with failure modes in common power electronics components (electrolytic caps, relays, semiconductors, magnetics)
- Working knowledge of failure analysis techniques such as optical microscopy, SEM, CSAM, X-ray, cross-sectioning and EDX - know which technique to recommend given a specific failure
- Experience with accelerated life testing models and the governing equations, specifically for PCBAs, battery storage, and relevant mechanical structures.
- Understanding of reliability statistics

Benefits:

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.

Additional benefits include:

- Medical, dental, and vision insurance for employees and dependents
- Flexible Paid Time Off plus 10 paid holidays
- 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

Our DE&I Philosophy: 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 Compensation Philosophy: 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: $165,000 - $192,500 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.

## About Lunar Energy

## Company Overview
- **One-liner**: Lunar Energy builds an ecosystem of all-electric home products, starting with a next-generation home battery and solar system paired with an AI-powered energy management platform.
- **Entity Type**: Private (Series D, 2026)
- **Headquarters**: Mountain View, California, United States
- **Founded**: 2020
- **Founders**: Kunal Girotra

## Core Business
Lunar Energy designs, manufactures, and deploys integrated solar + battery storage systems for homes. Its AI‑driven Gridshare software optimizes energy flows between home batteries, EV chargers, and the grid. The company serves homeowners directly (B2C) and partners with utilities and energy retailers to manage distributed energy resources. Mission: “Power homes around the world with endless clean energy.”

## Products & Services
- **[Lunar System]** – A home solar and battery system that captures, stores, and uses solar energy day and night, including during outages. Hardware product, sold through installers.
- **[Gridshare Software]** – An AI-powered energy management platform that controls distributed energy resources (home batteries, EV chargers) to maximize homeowner savings and support grid stability. SaaS/software product embedded in every system.

## Market Standing
- **Valuation/Market Cap**: Not publicly disclosed.
- **Key Metric**: Total funding of **$532.0 M** raised across 3+ rounds (latest: Series D of $102 M in February 2026). Estimated annual revenue of **$3.0 M** (LinkedIn estimate).
- **Notable Investors/Partners**: Prelude Ventures and B Capital (co-led Series D); Activate Capital Partners (led Series C); other investors include those in a $300 M venture round (2022). Acquired Moixa Energy, a UK‑based smart battery company.
- **Growth Signals**: Growing headcount 7.8% YoY to 183 employees; operations in 9 countries including the US, UK, Japan, Canada, Spain, UAE, and France; Forbes named Lunar Energy one of America’s Best Startup Employers in 2023.

## Competitive Advantages
- **Deep industry expertise**: Founder Kunal Girotra was formerly head of Tesla Energy; several senior leaders (e.g., Chief Architect Mark Holveck, SVP Chris Wright) have Tesla and cleantech backgrounds.
- **Integrated hardware + software moat**: The Lunar System combines proprietary battery hardware with an intelligent software platform that can manage third‑party DERs, creating a sticky ecosystem.
- **Global reach from inception**: Products already deployed in three continents, with a clear plan to expand through acquisitions (Moixa) and partnerships.

## Strategic Focus
- Scale production and geographic footprint (especially US, UK, Japan).
- Deepen Gridshare capabilities with AI and utility‑grid integration.
- Expand product ecosystem beyond solar+battery (e.g., EV charging, smart home controls).
- Grow commercial channels through regional sales managers and solution architects (as seen in recent job postings).

## Why Work Here
- **Culture**: Described as a team of “builders and doers” with a collaborative and inclusive environment. Emphasis on making a global impact on clean energy transition.
- **Work model**: Headquarters in Mountain View, CA; UK offices in London and Manchester. Hybrid and remote options available for specific roles.
- **Total rewards**: Competitive salary, equity in a growing company, comprehensive benefits (location‑specific), and encouragement of work‑life balance with generous time off.
- **Engineering focus**: Strong investment in software, firmware, systems engineering, and hardware reliability – 16 active openings across Manufacturing, Software, Systems, Firmware, Sales, and more.

## Sources
1. [lunarenergy.com](https://www.lunarenergy.com/about) – About page, team, mission
2. [lunarenergy.com](https://www.lunarenergy.com/careers) – Careers page, culture, benefits
3. [linkedin.com](https://www.linkedin.com/company/lunarenergyinc) – Company details, funding, headcount, revenue
4. [job-boards.greenhouse.io](https://job-boards.greenhouse.io/lunarenergy) – Active job listings

## Other roles at Lunar Energy

- [Corporate Development Manager](https://feeny.ai/job/corporate-development-manager-lunar-energy-united-kingdom-2ek5jmnrw6hp) — United Kingdom
- [Senior Firmware Engineer - Communications](https://feeny.ai/job/senior-firmware-engineer-communications-lunar-energy-mountain-view-6a760gcrw8nd) — Mountain View, CA
- [Senior Reliability Engineer - Power Electronics](https://feeny.ai/job/senior-reliability-engineer-power-electronics-lunar-energy-mountain-view-qkgq6qcqnpf6) — Mountain View, CA
- [Electrical Engineer - ATE](https://feeny.ai/job/electrical-engineer-ate-lunar-energy-mountain-view-5k43nfa272wg) — Mountain View, CA
- [Senior Electrical Supervisor](https://feeny.ai/job/senior-electrical-supervisor-lunar-energy-united-kingdom-nzz8f180c5ft) — United Kingdom
- [Electronics Design Engineering Intern](https://feeny.ai/job/electronics-design-engineering-intern-lunar-energy-mountain-view-e1z0hhhv5ewm) — Mountain View, CA
- [PCB Layout Engineer](https://feeny.ai/job/pcb-layout-engineer-lunar-energy-mountain-view-gpvrys9j9thj) — Mountain View, CA
- [Engineering Technician II, Test Operations (Contract)](https://feeny.ai/job/engineering-technician-ii-test-operations-contract-lunar-energy-mountain-view-73xb6b9ajzsh) — Mountain View, CA
- [Data Infrastructure Engineer (contract)](https://feeny.ai/job/data-infrastructure-engineer-contract-lunar-energy-mountain-view-zsynrxhxakmj) — Mountain View, CA
- [Staff Firmware Engineer](https://feeny.ai/job/staff-firmware-engineer-lunar-energy-united-kingdom-vacq85t52fv4) — United Kingdom