BESS Engineer / BESS Manager

Job Summary The BESS Engineer / Manager will be responsible for energy simulation and optimal sizing, technology selection and vendor evaluation, system design & engineering from conceptual to detailed design engineering stage, and technical support to Business Development (BD) during proposal development. The role ensures delivery of technically robust, compliant, and cost-optimized BESS solutions across utility-scale and C&I projects. Key Responsibilities 1. Energy Simulation & Optimal BESS Sizing • Perform energy simulations and operational modeling to determine optimal BESS MW/MWh configuration. • Analyze load profiles, renewable generation data, tariffs, grid constraints, and use cases. • Define and assess dispatch strategies such as peak shaving, arbitrage, renewable smoothing, and backup. • Consider efficiency, degradation, SOC limits, cycling constraints, and lifecycle performance. • Prepare techno-economic sizing studies, simulation reports, and recommendations. 2. Technology Selection & Vendor Evaluation • Lead technology selection for battery systems, PCS, BMS, EMS, and auxiliary equipment. • Perform technical evaluation of BESS and PCS vendors, reviewing: o Battery chemistry, architecture, thermal and safety design Copyright ©2026. All Rights Reserved. Clean Max Enviro Energy Solutions Limited. o PCS topology, efficiency, grid-forming / grid-following capability o BMS, EMS, SCADA integration and communication • Ensure compliance with project specifications, grid codes, IEC / IEEE standards, and safety norms. • Compare vendors on performance, degradation assumptions, warranties, availability, and lifecycle energy throughput. • Support technical bid evaluation, clarifications, and vendor recommendations. 3. System Design & Engineering (Conceptual to Detailed) • Develop and review end-to-end BESS system design from conceptual through detailed engineering. • Define BESS architecture, electrical ratings, protection philosophy, and grid interconnection design. • Prepare / review key engineering deliverables including: AC & DC Single Line Diagrams (SLDs) General Arrangement (GA) drawings Cabling, earthing, lightning protection, and protection & control schemes • Ensure coordination between BMS, PCS, EMS, SCADA, and grid requirements. • Participate in design reviews, safety and risk assessments, and technical approvals. 4. Support to Business Development (BD) – Proposals • Provide technical inputs for RFQs, RFPs, and project proposals. • Develop conceptual designs, system sizing, technical write-ups, and compliance matrices. • Support costing assumptions, losses, efficiencies, and performance guarantees. • Participate in customer technical discussions, presentations, and clarifications. Key Skills & Competencies • Strong understanding of BESS technology, PCS integration, and power systems • Experience in energy modeling, system design, and vendor evaluation • Knowledge of lithium-ion battery behavior, degradation, and safety systems • Familiarity with IS / IEC / IEEE standards, grid codes, protection systems, and electrical safety standards • Ability to interpret and review technical vendor documentation • Strong technical communication and cross-functional coordination skills Tools & Software • Energy simulation tools: Python / MATLAB / Homer / Excel-based models (any equivalent) • Electrical design tools: AutoCAD • Power system study tools (preferred): ETAP / DigSILENT / PSCAD Education • B.E. / B.Tech in Electrical Engineering (Mandatory) • M.Tech in Power Systems / Renewable Energy (Preferred) Preferred Experience • Utility-scale or C&I BESS project execution • Renewable + BESS hybrid systems • Interaction with global BESS & PCS OEM