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Lunar Energy

Compliance Test Engineer

Company logo
Lunar Energy
Designs and engineers all‑electric home energy products for clean, resilient virtual power plants.
Test and validate clean energy products for safety, grid, and EMC compliance.
8d ago
$110,000 - $145,000
Junior (1-3 years), Intermediate (4-7 years)
Full Time
Santa Clara County, CA
Onsite
Company Size
250 Employees
Service Specialisms
Energy Storage Solutions
Solar & Battery System Design
Virtual Power Plant (VPP) Programs
Installer Certification & Support
Grid Services Aggregation
Sector Specialisms
Residential
Energy
Solar
Battery Storage
Clean Energy
Role
What you would be doing
external testing
lab operations
test planning
product testing
instrument operation
process improvement
  • Coordinate external testing and certification activities with NRTLs or third-party labs (UL, CSA, TUV, Intertek, etc.).
  • Oversee daily lab operations, including safety procedures, equipment calibration, and inventory organization in compliance with ISO 17025.
  • Capture, analyze, and document test results to support certification submissions and internal reviews.
  • 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.
  • Collaborate with Compliance, Hardware, and Firmware teams to troubleshoot and resolve issues identified during testing.
  • 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.
  • Operate, and maintain lab instruments including oscilloscopes, power analyzers, data acquisition systems, and high-voltage supplies.
  • Drive continuous improvement of lab processes, test methodologies, and data reporting practices.
  • Prepare test setups and verify configurations meet certification and design requirements.
What you bring
electrical engineering
python
oscilloscopes
ul standards
compliance
documentation
  • Bachelor's degree in Electrical Engineering, Mechanical Engineering, or a related technical field.
  • Strong analytical mindset with a focus on safety, accuracy, and continuous improvement.
  • 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.
  • Experience with automation or scripting tools such as Python, LabVIEW, or similar platforms for test automation and data analysis. (Preferred).
  • Demonstrated ability to work safely in high-energy lab environments and follow established procedures.
  • 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).
  • Experience working with NRTLs or certification bodies (UL, CSA, TUV, Intertek) on product evaluation and testing. (Preferred).
Benefits
  • 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
  • Tax deferred 401(k) plan
  • Flexible Paid Time Off plus 10 paid holidays
  • Medical, dental, and vision insurance for employees and dependents
Training + Development
Information not given or found
Company
Overview
$300 million
Series C Funding
The company secured significant backing from Sunrun and SK Group, enabling global expansion.
20 kWh
Battery Capacity
The flagship system provides reliable energy storage and backup capabilities.
25-year
Warranty Duration
The system is built to stringent quality standards, ensuring long-term reliability.
  • Lunar Energy was founded by a former Tesla Energy executive with a mission to electrify homes through integrated battery and solar systems.
  • The company has expanded its global presence across the US, UK, and Japan.
  • The Lunar System combines modular batteries, hybrid inverter, smart panel, and panel-level maximizers into an easy-to-install home energy ecosystem.
  • The AI-driven Gridshare software (acquired via Moixa) intelligently manages energy usage and enables participation in virtual power plants.
  • The system delivers reliable backup even in extreme conditions like flooding and seismic events.
  • Strategic partnerships include integration with Eaton smart breakers and collaboration with Sunrun on virtual power plant deployments.
  • Lunar’s network of connected systems empowers homeowners and supports grid resilience by aggregating distributed energy resources.
Culture + Values
  • Fosters a collaborative and inclusive environment built on trust, curiosity, and a sense of urgency.
  • Empowers employees to think innovatively, make bold decisions, and drive meaningful change.
  • Supports a healthy work-life balance through flexible work arrangements and generous time-off policies.
  • Creates a fast-paced, entrepreneurial, people-first, supportive, engaging, and fun workplace.
  • Adopts a data-driven and science-focused approach to innovation and operational excellence.
Environment + Sustainability
35+ Grid Support Events
Clean-Energy Storage Dispatch
Partnership with California DSGS program to incentivize clean-energy storage dispatch for grid stability.
100% Clean Energy
Home Energy Transition Goal
Mission to transition all homes to rely entirely on clean energy through generation, storage, and control.
  • Enabling homeowners to generate, store, and control their own energy
  • Using Gridshare AI-powered software to optimize energy distribution
  • Focus on Virtual Power Plants to balance grid demand and reduce fossil fuel reliance
  • AI-driven predictive maintenance and real-time analytics to enhance efficiency
  • Implicit net-zero target through clean energy transition
Inclusion & Diversity
  • Prioritizes building a diverse and inclusive workplace that values individual perspectives and contributions
  • Actively recruits and supports employees from a range of backgrounds and experiences
  • Fosters a collaborative and supportive environment where all employees feel valued and respected
  • Culture emphasizes trust, leadership, curiosity, and success through customer satisfaction
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