Fluence (Nasdaq: FLNC) is a global market leader delivering intelligent energy storage and optimization software for renewables and storage. Our solutions and operational services are helping to create a more resilient grid and unlock the full potential of renewable portfolios. With gigawatts of successful implementations across nearly 50 markets, we are transforming the way we power our world for a more sustainable future. For more information, please visit fluenceenergy.com.

Job Description:
About Fluence

Fluence (Nasdaq: FLNC) is a global market leader delivering intelligent energy storage and optimization software for renewables and storage. Our solutions and operational services are helping to create a more resilient grid and unlock the full potential of renewable portfolios. With gigawatts of successful implementations across nearly 50 markets, we are transforming the way we power our world for a more sustainable future. For more information, please visit: https://fluenceenergy.com/

1. Role Overview

As a Lead Thermal Engineer at Fluence, you will spearhead the design, testing,



verification, and system integration of industrial liquid chillers and advanced thermal management subsystems for utility-scale Battery Energy Storage Systems (BESS). In this role, you will be the core technical owner ensuring our liquid cooling systems deliver optimal thermal performance, efficiency, reliability, and regulatory compliance.

2. Key Responsibilities

• Architect, specify, and integrate industrial liquid chillers, active refrigeration loops, pumps, and fluid distribution circuits into utility-scale BESS enclosures.
• Develop, review, and maintain Piping & Instrumentation Diagrams (P&IDs;), fluid routing specifications, hydraulic balancing, and chiller specification sheets.
• Establish and validate chiller-to-system communications and control loops utilizing Modbus (TCP/RTU) protocols, including register mapping, telemetry, alarm thresholds, and safety handshakes.
• Desi

📌 Lead Thermal Engineer (Bengaluru)
🏢 Fluence
📍 Bengaluru