BESS Quality Technician

Are you ready to join a fast-paced, innovative team making a real impact in the renewable energy industry? Join Shoals Technologies Group (NASDAQ: SHLS), a leading provider of electrical balance of systems (EBOS) solutions for solar and energy storage. Headquartered just north of Nashville, Tennessee, we have been driving industry innovation since 1996 by delivering cutting-edge technologies that improve efficiency, safety, and reliability for solar systems worldwide. With over 60 GW of solar systems deployed globally, we’re setting the standard for the renewable energy industry.

We are a collection of engineers, renewable advocates, curious minds, and collaborators. Our manufacturing facilities in Tennessee and Alabama, along with sales teams across Spain and Australia, enable us to power clean energy solutions across Europe, Latin America, Africa, and Asia-Pacific. We push boundaries and challenge each other to design, develop, and deliver solutions with the potential to change the world. We are the rebellious hero.

Inventing Simple® isn’t just a slogan to us, it’s a way of life. Using simple plug-and-play ideology, we revolutionized solar installations in 2003 with our Interconnect SystemTM. Our harnessing system is now the gold standard EPC’s use around the world. By using simple ideas, we are making solar energy a more affordable and clean power source for future generations.

Job Summary

The Quality Inspector is responsible for inspecting, testing, and verifying that manufactured products meet established quality standards and specifications. Working on the production floor and in quality control areas, the Quality Inspector performs visual and mechanical inspections, uses measurement tools and equipment, and documents inspection results. This role plays a key part in ensuring product consistency, identifying defects, and supporting continuous improvement efforts across the manufacturing process.

Qualifications

Key Responsibilities

Electrical Assembly

• Assemble and install battery interconnects, busbars, and grounding systems within BESS enclosures and racks.
• Route, cut, strip, crimp, and terminate high-voltage DC power cables and low-voltage signal harnesses according to wiring diagrams.
• Wire and mount contactors, relays, fuses, disconnects, and sensors inside cabinets and racks.
• Connect and secure Battery Management System (BMS) signal wiring, communication lines (CAN, Modbus), and temperature sensors.
• Apply torque and strain relief per specification to ensure safe and reliable electrical connections.
• Label and tag all conductors, terminals, and connectors per company and industry standards.
  
  

Testing & Quality Control

• Perform continuity, polarity, and insulation resistance tests on completed assemblies using appropriate test equipment.
• Verify correct wiring per drawings and report any nonconformances.
• Assist with in-process and final quality inspections, ensuring compliance with UL 9540, UL 1973, and company safety standards.
• Support factory acceptance testing (FAT) and maintain detailed test documentation.
  
  

Safety & Compliance

• Follow all NFPA 70E, OSHA, and company-specific high-voltage safety procedures.
• Use personal protective equipment (PPE) appropriate for high-voltage DC assembly or AC assembly testing.
• Maintain a clean, organized, and ESD-safe workspace compliant with 5S principles.
• Observe all procedures for safe battery handling, wiring, and system assembly, including awareness of thermal and chemical hazards.
  
  

Collaboration & Process Improvement

• Work closely with engineers, production leads, and quality teams to resolve technical issues.
• Provide feedback on wiring layouts, build efficiency, and potential design improvements.
• Participate in continuous improvement initiatives (Kaizen, Lean manufacturing) to enhance quality, safety, and throughput.
• Update as-built documentation and maintain accurate production records.
  
  

Technical Skills

Required Skills & Qualifications

• Strong understanding of DC electrical systems & AC electrical systems and battery wiring fundamentals.
• Proficient in wire crimping, termination, and harness assembly.
• Ability to read and interpret electrical schematics, assembly drawings, and BOMs.
• Experience with hand tools, torque tools, multimeters, and insulation testers.
• Familiarity with battery systems, BMS wiring, and power electronics preferred.
• Basic understanding of UL, NEC, and NFPA safety standards related to battery systems.
  
  

Soft Skills

• Excellent attention to detail and consistency in workmanship.
• Strong teamwork and communication skills within a fast-paced production environment.
• Self-motivated, reliable, and committed to maintaining quality and safety standards.
• Willingness to learn and adapt to evolving product designs and manufacturing processes.
  
  

Preferred Qualifications

• Associate degree, equivalent work experience or technical diploma in Electrical Technology, Mechatronics, or Industrial Maintenance, or equivalent experience.
• 2 years of experience in electrical assembly, battery systems, or manufacturing.
• OSHA 10/30, NFPA 70E, or IPC/WHMA-A-620 certification preferred.
• Prior experience working with lithium-ion battery modules or energy storage products is a strong plus.
  
  

Physical Requirements

• Ability to lift up to 50 lbs and stand for extended periods.
• Dexterity to handle small components and wiring tools.
• Comfortable working around high-voltage and high-current components under controlled, supervised conditions.
  
  

Shoals Technologies Group, LLC 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. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.