Manager/Senior Analyst- BESS Design Engineering

Responsibilities

• Reviewing 30/60/90% BESS engineering design packages — civil, electrical, and structural — and providing technical comments to ensure alignment with NFPA 855, NEC Article 706, and UL 9540/9540A requirements.
• Actively maintain technical library with vendors; Evaluating battery system architecture, including rack/module layout, BMS hierarchy, PCS sizing, MV transformer integration, and balance-of-plant (BOP) design.
• Providing BESS/PCS QA/QC support, including inspection, technical exhibit preparation, and testing activities.
• Supporting procurement technical evaluations for battery systems, PCS/inverters, transformers, and switchgear, and assessing OEM submittals against project specifications.
• Technical support for development and origination activities, including early submittals, specification reviews and RFIs.

Qualifications

The ideal candidate should hold – B.Tech/M.Tech in Electrical Engineering or any relevant field with 2-6 years of experience in BESS design, commissioning, or technical asset management for utility-scale energy storage or solar + storage projects.

Working knowledge of BESS subcomponents

battery modules and racks, BMS architecture, PCS/inverters, EMS/SCADA systems, HVAC/chiller systems, fire suppression systems, MV transformers, and switchgear. Familiarity with relevant US codes and standards: NFPA 855, NEC Article 706, UL 9540/9540A, NFPA 70E, IEEE 80, and NERC reliability standards. Experience analyzing operational or commissioning data to diagnose system faults or performance deviations in complex electrical systems. Hands-on commissioning experience with large-format lithium-ion battery systems, including BMS/PCS/EMS integration, FAT/SAT execution, and capacity testing.

About DESRI DESRI (formerly D. E. Shaw Renewable Investments) is a market-leading owner and operator of renewable energy projects throughout the United States. We have acquired or developed approximately 11.9 gigawatts of contracted capacity across a portfolio of over 80 renewable energy projects in 24 states. DESRI is run by a dynamic team with offices located at New York, Denver, Houston and Hyderabad (India).