Assistant Manager (Technical)  BESS
1. Technical Evaluation & Design
- Assist in preparing technical specificationsfor BESS projects (10 kW to 100 MW scale).
- Conduct site surveys and feasibility assessmentsfor solar + storage and standalone BESS applications.
- Support in system design & sizing(kW, kWh, inverter, PCS, transformer, cooling, and control systems).
- Work with senior technical team to evaluate battery chemistries(LFP, NMC, Sodium-ion, etc.) and recommend suitable options.
2. Vendor & Technology Coordination
- Coordinate with OEMs, EPC contractors, and component suppliersfor technical discussions.
- Compare proposals, datasheets, and evaluate vendor offers(battery packs, PCS, BMS, EMS, enclosures, HVAC).
- Support in preparing BoQs and technical due diligence reports.
3. Project Implementation Support
- Assist in installation, commissioning, and testingof BESS projects.
- Monitor adherence to safety protocols, quality standards, and grid compliance.
- Prepare project progress reports and escalate delays or technical issues to management.
4. Operations & Performance Monitoring
- Track system performance (charge/discharge cycles, round-trip efficiency, SoC/SoH levels).
- Coordinate with O&M team to implement preventive and corrective maintenance.
- Analyze alarms, faults, and recommend corrective measures.
5. Regulatory & Compliance
- Stay updated on CEA, CERC, MNRE, and DISCOM guidelinesrelated to BESS.
- Ensure compliance with grid codes, safety standards, and energy storage norms.
6. Documentation & Reporting
- Prepare technical documentation, SOPs, test reports, and training manuals.
- Support proposal/bid teams with technical inputs for tenders and DPRs.
- Present periodic MIS reportson project performance to senior management.
7. Cross-Functional Collaboration
- Work with the finance & strategy teamto provide technical cost inputs.
- Coordinate with R&D/Innovation teamsfor pilot projects or new technology trials.
- Liaise with customers/clientsto explain technical aspects and resolve queries.
- The role is essentially a bridge between engineering, vendors, and project execution teams, supporting senior managers in delivering reliable BESS projects.
Work Experience  Assistant Manager (Technical), Battery Energy Storage Systems (BESS)
Technical Project Support
- Assisted in design and sizing of grid-scale and C&I BESS projects (1 MW  50 MW capacity).
- Conducted site surveys, feasibility studies, and prepared preliminary engineering documents.
- Evaluated multiple battery technologies (LFP, NMC) and recommended suitable solutions for different use cases.
Vendor & Engineering Coordination
- Coordinated with international and domestic OEMs for supply of battery packs, PCS, BMS, EMS, and enclosures.
- Reviewed technical datasheets, proposals, and ensured compliance with project specifications.
- Supported in preparing Bill of Quantities (BoQ), RFP responses, and technical clarifications for tenders.
Project Execution & Commissioning
- Supported EPC contractors in installation, testing, and commissioning of BESS projects.
- Monitored adherence to safety standards, quality benchmarks, and statutory compliance.
- Documented commissioning reports and tracked initial performance parameters.
Operations & Monitoring
- Assisted in real-time monitoring of BESS systems through SCADA/EMS dashboards.
- Analyzed key performance metrics (round-trip efficiency, SoC, SoH, degradation trends).
- Coordinated corrective maintenance activities with OEMs and O&M teams.
Documentation & Reporting
- Prepared technical documentation including SOPs, test reports, and training material.
- Presented MIS reports on project status, performance, and vendor coordination to management.
- Contributed to DPRs and technical annexures for funding and client presentations.
Technical Skills
- Battery Energy Storage Systems (BESS)
- Energy Management System (EMS)
- Battery Management System (BMS)
- Power Conversion System (PCS) / Inverters
- Electrical System Design (LV/MV/HV)
- SCADA / Remote Monitoring
- Renewable Integration (Solar + Storage, Wind + Storage)
- Grid Compliance & Synchronization
- Reactive Power / Ancillary Services
- Safety Standards & Testing
Project & Execution Skills
- Project Execution & Commissioning
- Site Survey & Feasibility Study
- Technical Evaluation & Vendor Coordination
- Operations & Maintenance (O&M)
- Preventive & Corrective Maintenance
- Quality Assurance / Quality Control (QA/QC)
- Tender / DPR Support & Technical Documentation
- Cost & BoQ Analysis
Desired profile of the candidate
Electrical/Power Engineer with 2-5 years renewable/BESS experience, strong technical knowledge, vendor coordination ability, and willingness to support projects end-to-end