Assembler, Manufacturing ​/ Production

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Ener Sys 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. Ener Sys 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, Ener Sys helps organizations manage energy more reliably, efficiently and intelligently in complex operating environments where uptime, safety and resilience matter.

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.

• 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

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…