Compliance Test Engineer at Lunar Energy

Mountain View, California, United States

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Not SpecifiedCompensation

Junior (1 to 2 years), Mid-level (3 to 4 years)Experience Level

Full TimeJob Type

UnknownVisa

Clean Energy, Renewable EnergyIndustries

Requirements

Bachelor’s degree in Electrical Engineering, Mechanical Engineering, or a related technical field
2+ years of experience in product compliance testing, validation, or power electronics testing (ESS or inverter experience preferred)
Familiarity with UL and IEEE standards such as UL 9540, UL 1741, UL 1973, UL 991, UL 1998, IEEE 1547 and National Electrical Code (NEC / NFPA 70)
Proficiency using lab equipment including oscilloscopes, power analyzers, and DAQ systems
Excellent organizational and documentation skills, with attention to detail in test setup and data management
Demonstrated ability to work safely in high-energy lab environments and follow established procedures
Strong analytical mindset with a focus on safety, accuracy, and continuous improvement
Experience working with NRTLs or certification bodies (UL, CSA, TUV, Intertek) on product evaluation and testing. (Preferred)
Experience with automation or scripting tools such as Python, LabVIEW, or similar platforms for test automation and data analysis. (Preferred)
Experience with the EMC/EMI test and debugging is a plus. (Preferred)

Responsibilities

Perform safety and performance testing of power electronics (inverters and converters), Energy Storage Systems, and related electrical/mechanical products in the lab, ensuring accurate data collection and observation of system behavior
Develop and execute structured test plans and procedures to validate product safety designs, grid interoperability, and electromagnetic compatibility (EMC) in accordance with industry standards and regulatory requirements
Capture, analyze, and document test results to support certification submissions and internal reviews
Collaborate with Compliance, Hardware, and Firmware teams to troubleshoot and resolve issues identified during testing
Prepare test setups and verify configurations meet certification and design requirements
Operate, and maintain lab instruments including oscilloscopes, power analyzers, data acquisition systems, and high-voltage supplies
Oversee daily lab operations, including safety procedures, equipment calibration, and inventory organization in compliance with ISO 17025
Coordinate external testing and certification activities with NRTLs or third-party labs (UL, CSA, TUV, Intertek, etc.)
Drive continuous improvement of lab processes, test methodologies, and data reporting practices

Skills

Key technologies and capabilities for this role

Safety TestingPerformance TestingEMC TestingPower ElectronicsInvertersConvertersEnergy Storage SystemsGrid InteroperabilityTest PlansLab TestingData AnalysisTroubleshootingRegulatory Compliance

Questions & Answers

Common questions about this position

What qualifications and experience are required for the Compliance Test Engineer role?

A Bachelor’s degree in Electrical Engineering, Mechanical Engineering, or a related technical field is required, along with 2+ years of experience in product compliance testing, validation, or power electronics testing, with ESS or inverter experience preferred. Familiarity with UL and IEEE standards such as UL 9540, UL 1741, UL 1973, UL 991, UL 1998, IEEE 1547, and the National Electrical Code (NEC / NFPA 70) is also needed, plus proficiency using lab equipment including oscilloscopes.

What does a typical day look like for a Compliance Test Engineer at Lunar Energy?

You'll perform safety and performance testing of power electronics, develop and execute test plans for safety, grid interoperability, and EMC, analyze results, collaborate with teams to troubleshoot issues, operate lab instruments, oversee lab operations per ISO 17025, coordinate external testing, and drive process improvements.

Is this Compliance Test Engineer position remote or lab-based?

The role is lab-based, involving hands-on work managing the lab environment, performing testing in the lab, operating lab instruments, and overseeing daily lab operations.

What is the company culture like at Lunar Energy?

Lunar Energy is a fast-growing, global company focused on building advanced clean energy products to electrify homes and create resilient virtual power plants, with a collaborative environment where the Compliance team works closely with Hardware and Firmware teams in a hands-on lab setting.

What makes a strong candidate for this Compliance Test Engineer position?

A strong candidate has a relevant engineering degree, 2+ years in compliance or power electronics testing (especially ESS or inverters), knowledge of key UL, IEEE, and NEC standards, and hands-on proficiency with lab equipment, thriving in a lab environment to ensure product compliance.

Lunar Energy

Modular energy storage solutions for homeowners

About Lunar Energy

Lunar Energy provides energy storage solutions specifically designed for residential clients. Their main product, the Lunar System, is a modular energy storage unit that can be expanded as energy needs increase, allowing homeowners to store energy generated from solar panels for use during peak hours or power outages. This system ensures a continuous power supply and helps users save on energy bills. Unlike many competitors, Lunar Energy focuses on a user-friendly experience, offering an app that provides detailed reports on energy usage and storage, enabling effective energy management. The company's goal is to promote sustainability and energy independence for homeowners, making it easier for them to optimize their energy usage and reduce reliance on traditional power grids.

Mountain View, CaliforniaHeadquarters

2020Year Founded

$291.8MTotal Funding

EARLY_VCCompany Stage

Energy, Consumer GoodsIndustries

201-500Employees

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Unlimited Paid Time Off

401(k) Retirement Plan

401(k) Company Match

Paid Parental Leave

Phone/Internet Stipend

Wellness Program

Risks

Competition from Tesla could limit Lunar Energy's market share.

Dependence on Sunrun for distribution poses a risk if partnerships dissolve.

Reliance on SK for manufacturing may expose Lunar Energy to geopolitical risks.

Differentiation

Lunar Energy offers a modular energy storage system for residential clients.

The Lunar System integrates seamlessly with solar panels for energy independence.

Lunar Energy's app provides detailed energy usage reports for effective management.

Upsides

Increased interest in virtual power plants enhances Lunar Energy's market opportunities.

Collaboration with SK Group could reduce production costs and improve efficiency.

Acquisition of GridShare software positions Lunar Energy as a leader in smart energy management.

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