Senior Grid-Tie & BESS Applications Engineer

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

Job summary

LS Energy Solutions LLC seeks a Senior Application Engineer to deliver electrical and control system design, develop BESS and PCS architectures, and provide on-site technical support for grid-tie inverters and energy storage systems. Travel up to 20% to project sites and work in-office.

The role bridges engineering, pre-sales, and field deployment, ensuring regulatory compliance, system sizing, and customer success throughout the project lifecycle.

Qualifications

• 고
• Bachelor’s or Master’s degree in Electrical Engineering, Power Electronics, or Power Systems.
• 5+ years in applications engineering, inverter testing, or commissioning for grid-tie energy storage or solar.

Responsibilities

• Execute functional, performance, thermal, and dynamic grid-support testing on utility-scale and C&I grid-tie inverters and PCS.
• Hardware-in-the-Loop testing and firmware validation to verify inverter control algorithms, fault ride-through capabilities, 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 and on-site listing certifications (UL 1741 SB, IEEE 1547.1, UL 9540/9540A, NFPA 855, grid code).
• Lead on-site support for third-party testing with NRTLs (UL, CSA, Intertek).
• Create/update compliance documentation, safety manuals, and regulatory test evidence for market entry and interconnect approvals.
• Customer Application Support as the dedicated technical contact for EPCs, developers, utilities.
• Troubleshoot field integration issues, inverter-grid instability, protocol failures (Modbus TCP, DNP3, CAN), and EMS/SCADA handshakes.
• Deliver technical training to customer teams on inverter installation, operation, and safety.

Skills

Energy storage controls

Validation & verification

Systems integration

Advanced controls

Modbus TCP analysis

Inverter operation

SCADA/EMS protocols

UL 1741 familiarity

Education

Bachelor’s or Master’s in Electrical Engineering, Power Electronics, or Power Systems

Tools

Wireshark

ModbusTCP testing apps

Job description

LS Energy Solutions LLC seeks a Senior Application Engineer to deliver electrical and control system design, develop BESS and PCS architectures, and provide on-site technical support for grid-tie inverters and energy storage systems. Travel up to 20% to project sites and work in-office.

The role bridges engineering, pre-sales, and field deployment, ensuring regulatory compliance, system sizing, and customer success throughout the project lifecycle.