System Test Engineer (BESS)(Onsite)

Voltage Llc; North Carolina; On-site; USD 75,000 - 95,000; Full time

Job summary

Voltage Llc is seeking a hands-on Test Engineer in Timberlake, NC, to support testing and validation of Battery Energy Storage Systems (BESS) and microgrid solutions. The role demands strong electrical troubleshooting skills and a Bachelor's degree in Electrical Engineering, with 4-6+ years of relevant experience. Key responsibilities include designing system tests, supporting commissioning, and performing hands-on testing in lab and field environments. The position is 100% on-site, offering a chance to work on innovative energy solutions while collaborating with cross-functional teams.

Qualifications

• 4-6+ years of experience in system testing, commissioning, or field service.
• Strong troubleshooting skills in hardware and integrated systems.
• Ability to work independently in field environments.

Responsibilities

• Design and execute system-level testing of BESS and microgrid systems.
• Support system commissioning and on-site validation activities.
• Diagnose system issues during testing and field operation.

Skills

Electrical troubleshooting

Hands-on experience with electrical systems

Testing and validation

Root cause analysis

Education

Bachelor’s degree in Electrical Engineering or related field

Tools

Multimeters

Oscilloscopes

Load banks

Job description

This role is 100% onsite at our facility in Timberlake, NC

About the Role

Voltage Energy Storage is seeking a hands‑on Test Engineer to support the testing, commissioning, and field validation of Battery Energy Storage Systems (BESS) and microgrid solutions.

This role is execution‑focused, requiring strong electrical troubleshooting skills and the ability to work directly with hardware in lab and field environments. The ideal candidate is self‑motivated, detail‑oriented, and comfortable working on‑site to bring systems from installation to operational readiness.

What You’ll Do

Design and execute system‑level testing of BESS and microgrid systems, including functional, performance, and safety validation

Support system commissioning, startup, and on‑site validation activities

Perform hands‑on testing and system bring‑up for integrated systems (inverters, batteries, EMS)

Test Setup & Field Execution

Build and configure test setups, including wiring, instrumentation, and data collection

Work with electrical systems in a safe and controlled manner

Operate test equipment such as multimeters, oscilloscopes, power supplies, and load banks

Diagnose system issues during testing and field operation

Perform root cause analysis and support resolution with engineering teams

Track issues and ensure proper documentation and closure

Compliance & Support

Support testing related to UL, IEC, and NEC requirements

Coordinate with external labs and certification activities as needed

Ensure systems meet applicable safety and regulatory standards

Cross-Functional Collaboration

Work closely with electrical, mechanical, and controls engineers

Collaborate with global teams on testing execution and feedback

Provide real‑world input to improve system design and reliability

Contribute to improving testing processes and field execution efficiency

Capture lessons learned from field testing and deployments

Support development of practical testing guidelines and documentation

What We’re Looking For

Bachelor’s degree in Electrical Engineering, or a related field

4‑6+ years of experience in system testing, commissioning, or field service

Hands‑on experience working with electrical systems

Strong troubleshooting skills in hardware and integrated systems

Familiarity with basic test equipment and electrical diagnostics

Ability to work independently in field environments

Applicants must be authorized to work for any employer in the U.S. The Company will not sponsor or take over sponsorship of any employment visa, including without limitation, H-1B, O-1, E-3, TN status, or I-485 job portability or similar immigration processes

Preferred Qualifications

Experience with BESS, solar PV, or industrial power systems

Familiarity with UL Standards, IEC standards, and NEC codes

Experience with commissioning or deploying containerized systems

OSHA safety training or electrical safety certification

Experience working in cross-functional or international teams

Ability to sit, stand, and work at a computer for extended periods.

Occasional traveling to customer sites and events (traveling up to 25%). Must have a valid driver’s license with a clean driving record.

Ability to handle multiple priorities in a fast‑paced, deadline‑driven environment.

Additional Information

Applicants must be authorized to work for any employer in the U.S. The Company will not sponsor or take over sponsorship of any employment visa, including without limitation, H-1B, O-1, E-3, TN status, or I-485 job portability or similar immigration processes.

Equal Opportunity Statement

We are an Equal Opportunity Employer and celebrate diversity, fostering an inclusive workplace where all employees thrive.