Senior BESS & Grid-Tie Applications Engineer

LS ELECTRIC America, Inc.; Charlotte (NC); On-site; USD 130,000 - 150,000; Full time

Job summary

LS Energy Solutions LLC in Charlotte, NC is seeking a Senior Applications Engineer to bridge customers, sales teams, and core engineering for sizing, integrating, and deploying utility-scale energy storage systems onto the grid.

You will lead testing, validation, and on-site support for certifications (UL 1741 SB, IEEE 1547.1, UL 9540) and provide technical training, pre-sales system design, and field problem-solving.

Qualifications

• Bachelor’s or Master’s in Electrical Engineering, Power Electronics, or Power Systems.
• 5+ years of Applications Engineering, inverter testing, or commissioning for grid-tie energy storage or solar.
• Experience with UL 1741 SB, IEEE 1547/1547.1, UL 9540, NEC 706 certifications.

Responsibilities

• Execute functional, performance, thermal, and dynamic grid-support testing on utility-scale and grid-tie inverters and PCS.
• Hardware-in-the-Loop testing and firmware validation to verify inverter control algorithms, fault ride-through, power quality, and protection response.
• Develop test plans, setup test rigs, evaluate test data, and author validation reports for pre-commissioning and product design improvements.
• Certification & Compliance Support for third-party listings (UL 1741 SB, IEEE 1547.1, UL 9540/9540A, NFPA 855, grid code).
• Interface with NRTLs (UL, CSA, Intertek) during factory and field testing.
• Create and update compliance documentation and safety manuals for market entry and interconnect approvals.

Skills

Energy storage controls

ModbusTCP testing

Inverter operation

SCADA/EMS comms

Project management

Customer communication

Education

Bachelor’s or Master’s in Electrical Engineering

Tools

Wireshark

ModbusTCP tools

Job description

LS Energy Solutions LLC in Charlotte, NC is seeking a Senior Applications Engineer to bridge customers, sales teams, and core engineering for sizing, integrating, and deploying utility-scale energy storage systems onto the grid.

You will lead testing, validation, and on-site support for certifications (UL 1741 SB, IEEE 1547.1, UL 9540) and provide technical training, pre-sales system design, and field problem-solving.