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EG4 Electronics · 1 month ago

Battery Test Engineer-New Product Development

Dallas, TX

Full-time

Hybrid

New Grad, Entry Level

EG4 Electronics is focused on innovative energy solutions, and they are seeking a Battery Test Engineer I to support new product development. This role involves executing test activities, data analysis, and validation processes for LFP batteries and Battery Management Systems, collaborating with engineering teams and suppliers to ensure product quality and reliability.

BatteryElectronicsEnergyHeating Ventilation and Air Conditioning (HVAC)Solar

H1B Sponsor Likely

Responsibilities

Battery Testing & Validation

Develop, execute, and maintain test plans for battery cells, modules, and packs used in C&I and residential energy storage systems

Perform performance, safety, cycle life, thermal, and reliability tests aligned with product requirements and industry standards

Set up and operate test equipment such as battery cyclers, data loggers, environmental chambers, power analyzers, CAN/Modbus communication tools, etc

Support Design Validation (DV), Engineering Validation (EV), and Production Validation (PV) test activities for new product development

Analyze test results, identify anomalies, and provide clear recommendations to design and production teams

Battery Data Analysis

Process and interpret large sets of battery test data including voltage, current, SOC, SOH, temperature, impedance, and cycle performance

Utilize tools such as Python, MATLAB, or Excel for automated reporting and trend analysis

Present data-driven insights to cross-functional teams to support design decisions and product improvements

BMS & Communication

Test and validate BMS functionality including battery cell balancing, protection algorithms, SOC/SOH estimation, and communication protocols

Work with CAN bus, Modbus, UART or other communication interfaces for diagnostics and data extraction

Troubleshoot BMS-related issues and support firmware validation efforts

Supplier & Cross-Functional Collaboration

Communicate with domestic and international battery suppliers to address technical issues, test results, failure analysis, and product development updates

Collaborate closely with internal teams including mechanical, electrical, firmware, and manufacturing engineering to ensure test coverage and product readiness

Support battery design validation, manufacturing readiness, and production ramp-up activities

Test Setup & Lab Operations

Design and build custom test fixtures, wiring harnesses, and setups for battery and BMS evaluation

Ensure safe operation of high-voltage and low-voltage battery systems following established lab protocols

Maintain test equipment calibration, test logs, and documentation according to engineering standards

Qualification

Battery TestingBMS FunctionalityData AnalysisPythonMATLABEnergy Storage SystemsProblem-SolvingAttention to Detail

Required

Bachelor's degree in Electrical Engineering, Mechanical Engineering, Energy Systems, or related field

Experience with battery testing, energy storage systems, or lithium-ion battery technology—preferably LFP

Strong understanding of BMS functions, SOC/SOH estimation methods, and battery safety principles

Hands-on experience with test equipment and battery cyclers, environmental chambers, and communication tools (CAN, Modbus)

Ability to analyze technical data and generate clear reports

Strong problem-solving skills and attention to detail

Preferred

Experience in C&I energy storage systems or residential energy storage products

Familiarity with UL, IEC, or other battery and ESS safety standards

Experience collaborating with battery suppliers and global engineering teams

Programming or scripting experience (Python, MATLAB) for data automation

Benefits

Medical.

Dental.

Vision.

Supplemental life.

PTO.

Company-branded merchandise.

Community events.

Company-funded continued education opportunities.

Discounts and perks through locally owned businesses.

Company

EG4 Electronics

EG4 Electronics offers solar batteries, inverters, mini-split HVAC, and a monitoring portal with documentation, updates, and forum support.

Founded in 2021

Sulphur Springs, Texas, USA

51-200 employees

https://www.eg4electronics.com

H1B Sponsorship

EG4 Electronics has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2024 (2)