Assembler

EnerSys is a global leader in stored energy solutions helping industrial, infrastructure and defense customers address critical power and operational needs. The company delivers integrated solutions that combine energy storage technologies, power electronics, software-enabled intelligence, technical expertise and comprehensive global customer support. EnerSys supports customers across communications networks, data centers, energy infrastructure, material handling, transportation, aerospace and defense — including applications where power continuity is essential. Serving customers in more than 100 countries, EnerSys helps organizations manage energy more reliably, efficiently and intelligently in complex operating environments where uptime, safety and resilience matter.

Job Purpose

The Lithium Production Assembler is responsible for building, wiring, testing, and assembling lithium battery cells, modules, and packs for industrial power storage applications. This position follows established work instructions, engineering specifications, and quality standards to complete both basic and complex assemblies. The role supports production operations through product assembly, end-of-line testing, equipment setup, troubleshooting, inventory accuracy, and quality verification activities. The incumbent must accurately record production data, utilize hand tools and measurement devices, and work effectively in a team-oriented manufacturing environment.

Essential Duties and Responsibilities

- Operate hand tools, calibrated tools, and assembly equipment to manufacture lithium battery products in accordance with approved work instructions and quality standards.

- Build, wire, and assemble lithium battery cells, modules, and packs according to engineering specifications and production requirements.

- Accurately record and maintain End-of-Line (EOL) testing data, inspection records, and production documentation.

- Perform charge cycler testing and monitor product performance against established requirements.

- Conduct visual quality inspections and electrical End-of-Line testing using designated test equipment and procedures.

- Run internal wiring, apply thermal interface materials, and connect critical electronic components, including Battery Management System (BMS) components.

- Perform equipment setup, changeovers, and adjustments as required to support production schedules.

- Complete cycle counts and maintain inventory accuracy.

- Enter manufacturing, inventory, and quality inspection data accurately into SAP and other production systems.

- Follow all documented work instructions, Standard Operating Procedures (SOPs), and quality requirements.

- Perform basic troubleshooting related to product assembly, electrical components, equipment operation, external construction, and internal product programming.

- Participate in cross-training initiatives to support operational flexibility and departmental needs.

- Support EOS, EHS, quality, and continuous improvement initiatives.

- Maintain a clean, organized, and safe work environment.

- Comply with all company safety policies and pro

Qualifications

Minimum Qualifications

- High school diploma or GED equivalent.

- Minimum two (2) years of manufacturing experience in electronics assembly, mechanical assembly, battery assembly, or a related manufacturing environment.

- Demonstrated computer skills

- Ability to accurately enter production, inventory, and quality data into SAP or similar manufacturing systems.

- Ability to perform basic mathematical calculations.

- Ability to use and interpret measurement tools, including calibrated torque devices, calipers, multimeters, and other assembly equipment.

- Understanding of mechanical and electrical aptitude.

- Basic understanding of Bills of Material (BOMs), mechanical drawings, electrical prints, wiring schematics, and Standard Operating Procedures (SOPs).

- Ability to read, interpret, and follow technical drawings, work instructions, quality specifications, and manufacturing procedures.

- Minimum one (1) year of Powered Industrial Vehicle (PIV) operating experience with the ability to obtain and maintain company-required PIV certification, including operation of pallet jacks, forklifts, and stand-up conveyances.

- Strong attention to detail with the ability to identify defects, verify alignment, and maintain quality standards throughout the assembly process.

- Ability to read, understand, and follow written work instructions, procedures, and safety requirements.

Preferred Qualifications

- Working knowledge of SAP.

- Basic understanding of UL labeling requirements.

- Ability to meet certification standards for Prismatic Lithium-Ion production processes.

- Previous experience in lithium battery manufacturing or a related high-tech manufacturing environment.

- Experience performing electrical testing and quality inspections in a manufacturing setting.

General Job Requirements

- Must be able to lift up to 50 pounds/23 kilos on a daily continuous basis. Anything heavier will be done with the assistance of a mechanical device or with the assistance of another employee.
- Must be able to frequently bend; twist; reach; stoop; kneel or crouch.
- Must be able to stand for long periods of time
- Employees are responsible for wearing the required Personal Protective Equipment in the proper manner at all times.
- Must be able and willing to wear a respirator.
- This position is exposed to harmful materials such as lead/fiberglass products. Periodic blood tests are required to measure the level of lead. Precautions are taken by the company/employee to reduce the risk of exposure and help ensure everyones safety.
- This position requires working in a plant/warehouse environment. Therefore, expect varying working conditions.
- Must be able and willing to work varying schedules which may include nights, weekends, and public holidays.

EnerSys provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

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