BESS Engineer-Domain Lead

L&T Technology Services; Bengaluru; On-site; INR 1,500,000 - 2,100,000; Full time

Job summary

L&T Technology Services in Bengaluru seeks a senior BESS specialist to lead capability development, standards, and training for battery energy storage systems. You will drive safety frameworks, reliability analyses, and performance optimization while collaborating with engineering, EPC, O&M, and grid-integration teams to deliver scalable storage solutions.

The candidate will also develop SOPs, playbooks, and certification programs, and act as SME for safety and performance across the project

Qualifications

• Strong understanding of battery technologies and BESS architecture.
• Knowledge of PCS, EMS, BMS, SCADA integration, and grid-support functionalities.
• Familiarity with BESS performance metrics: efficiency, degradation, availability, cycling capability.
• Ability to interpret operational data, alarms, trends, and performance reports.
• Strong documentation, research, and technical writing skills.

Responsibilities

• Develop technical standards, design guidelines, SOPs, and best-practice playbooks for BESS projects.
• Design and deliver structured training programs, certifications, and upskilling workshops for engineering, O&M, EPC.
• Act as internal SME for BESS technology, safety, and performance.
• Support onboarding and competency development for storage-focused roles.
• Develop and maintain BESS safety frameworks covering thermal runaway, fire risk, electrical hazards, and emergencies.
• Align internal guidelines with IEC, IEEE, UL, NFPA, IS, grid codes.
• Support hazard analysis, FMEA, HAZOP, and safety audits.
• Contribute to incident investigations, lessons-learned reviews, and preventive strategy updates.
• Benchmark BESS performance against industry standards and peer portfolios.
• Analyze degradation behavior, availability, cycling performance, and efficiency losses.
• Support continuous improvement across design, commissioning, and operations.
• Feed operational insights and RCA outcomes into updated standards and training materials.
• Partner with Engineering, EPC, O&M, Asset Management, Commercial, and Grid Integration teams.
• Provide inputs during feasibility studies, vendor evaluations, and design reviews.
• Support due diligence, lender technical advisor responses, and regulatory submissions.
• Engage with OEMs, system integrators, research institutions, and industry forums.
• Build and maintain a centralized BESS knowledge repository; support governance and audits.
• Contribute to ESG, resilience, and sustainability initiatives.
• Standardize documentation for repeatable, scalable BESS deployment.

Skills

Battery technologies

BESS architecture

PCS

EMS

BMS

SCADA integration

Grid-support functionalities

Performance metrics

Data interpretation

Technical writing

Tools

PCS

EMS

BMS

SCADA

Job description

• Strong understanding of battery technologies and BESS architecture
• Knowledge of PCS, EMS, BMS, SCADA integration, and grid-support functionalities
• Familiarity with BESS performance metrics: efficiency, degradation, availability, cycling capability
• Ability to interpret operational data, alarms, trends, and performance reports
• Strong documentation, research, and technical writing skills

Good To Have Skills

Hands-on exposure to Solar + BESS or Wind + BESS hybrid plants Knowledge of grid services (frequency response, peak shaving, arbitrage, black start) Experience with advanced analytics, digital twins, or predictive diagnostics Participation in internal CoEs, R&D teams, or standards bodies

Experience: 8-10 Years

Responsibilities

Capability & Knowledge Development

Develop technical standards, design guidelines, SOPs, and best-practice playbooks for BESS projects Design and deliver structured training programs, certifications, and upskilling workshops for engineering, O&M, EPC, Act as internal Subject Matter Expert (SME) for BESS technology, safety, and performance Support onboarding and competency development for storage-focused roles

Safety, Compliance & Risk Management

Develop and maintain BESS safety frameworks covering thermal runaway, fire risk, electrical hazards, and emergency Align internal guidelines with global and local standards (IEC, IEEE, UL, NFPA, IS, grid codes) Support hazard analysis, FMEA, HAZOP, and safety audits Contribute to incident investigations, lessons-learned reviews, and preventive strategy updates

Benchmark BESS performance against industry standards and peer portfolios Analyze degradation behavior, availability, cycling performance, and efficiency losses Support continuous improvement initiatives across design, commissioning, and operations Feed operational insights and RCA outcomes into updated standards and training materials

Cross-Functional & External Collaboration

Partner with Engineering, EPC, O&M, Asset Management, Commercial, and Grid Integration teams Provide technical inputs during feasibility studies, vendor evaluations, and design reviews Support due diligence, lender technical advisor responses, and regulatory submissions Engage with OEMs, system integrators, research institutions, and industry forums

Documentation, Governance & Knowledge Management

Build and maintain a centralized BESS knowledge repository (designs, standards, learnings, data) Support technical governance, audits, and compliance reviews Contribute to ESG, resilience, and sustainability initiatives Standardize documentation for repeatable, scalable BESS deployment

Tools and Software

Knowledge of PCS, EMS, BMS, SCADA integration, and grid-support functionalitie