Project Engineer - BESS

Location: Bangalore

Experience: 8-10 Years

Qualification: Bachelor's/Master's Degree in Electrical Engineering, Power Systems, Energy Systems, or a related field

About the Role

We are looking for an experienced Project Engineer – BESS to lead the technical sizing, design, and solutioning of Battery Energy Storage Systems (BESS) and integrated Solar + Storage projects. The ideal candidate will have 8-10 years of experience in renewable energy, power systems, and energy storage, with expertise in system design, transformer selection, grid integration, and project execution. This role involves supporting projects from feasibility analysis through engineering design, technical proposals, customer engagement, and commissioning support.

Key Responsibilities

• Perform technical sizing and solutioning of Battery Energy Storage Systems (BESS), including battery capacity, inverter sizing, auxiliary systems, and overall system optimization.
• Conduct feasibility studies, load profile analysis, and energy modeling to recommend optimal BESS configurations and energy management strategies.
• Design, size, and specify power and distribution transformers (oil-filled and dry-type) for BESS and renewable energy applications.
• Evaluate Solar PV + BESS project sites, including solar generation potential, land availability, electrical infrastructure, and grid connection requirements.
• Develop optimized system designs considering cost, efficiency, performance, lifecycle, and regulatory compliance.
• Analyze customer energy consumption patterns and prepare customized technical solutions, solution architecture, and integration strategies.
• Prepare technical proposals, engineering documentation, compliance reports, and tender submissions.
• Collaborate with R&D, Product Development, Supply Chain, and Project Execution teams to enhance existing products and develop new energy storage solutions.
• Provide technical support during customer meetings, pre-sales discussions, solution presentations, and business case development.
• Resolve technical queries, troubleshoot system performance issues, and recommend performance optimization strategies.
• Conduct technical training for internal teams, EPC partners, customers, and service engineers.
• Support Factory Acceptance Tests (FAT), Site Acceptance Tests (SAT), commissioning, and project handover activities.
• Ensure compliance with applicable IEC, IEEE, UL, and other relevant electrical and renewable energy standards.

Required Skills

• Strong understanding of Battery Energy Storage Systems (BESS) architecture and components, including Battery Packs, Battery Management Systems (BMS), Power Conversion Systems (PCS), Energy Management Systems (EMS), Transformers, and Switchgear.
• Hands-on experience in BESS sizing, electrical system design, and renewable energy integration.
• Expertise in transformer sizing, specification, and selection for grid-connected renewable energy projects.
• Experience with Solar PV systems, hybrid Solar + BESS projects, site feasibility studies, and grid integration.
• Strong knowledge of load profile analysis, energy modeling, lifecycle cost analysis, and system performance optimization.
• Familiarity with electrical protection systems, HV/LV distribution systems, and utility interconnection requirements.
• Ability to interpret electrical schematics, Single Line Diagrams (SLDs), and engineering drawings.
• Experience in tender documentation, compliance evaluation, and technical proposal preparation.
• Excellent analytical, communication, stakeholder management, and problem-solving skills.
• Proficiency in Microsoft Office tools (Excel, PowerPoint, Word) and AI productivity tools.

Preferred Qualifications

• Bachelor's or Master's degree in Electrical Engineering, Power Systems, Energy Systems, or a related discipline.
• Experience with utility-scale Battery Energy Storage Systems (BESS) and Solar + Storage projects.
• Knowledge of SCADA, EMS, remote monitoring, and data acquisition systems.
• Exposure to renewable energy regulations, international standards, and grid code requirements.
• Experience working with EPC contractors, utility companies, and renewable energy developers.

What We Offer

• Opportunity to work on large-scale Battery Energy Storage System (BESS) and renewable energy projects.
• Exposure to advanced energy storage and hybrid Solar + Storage technologies.
• Collaborative environment with cross-functional engineering and project teams.
• Career growth through innovative projects and continuous learning opportunities.
• A chance to contribute to the transition toward sustainable and clean energy solutions.

Job Title :Battery Electrochemist – Cell Qualification

Location: Bangalore

Job Type: Full-Time

Experience: Minimum 4 Years

About the Role

We are looking for a Battery Electrochemist – Cell Qualification to join our Battery Energy Storage System (BESS) team. The ideal candidate will be responsible for evaluating, testing, and qualifying lithium-ion battery cells from external suppliers for stationary energy storage applications. This role involves cell characterization, performance validation, degradation analysis, and close collaboration with BMS, thermal, and system engineering teams to ensure the selection of safe, reliable, and high-performance battery cells.

The successful candidate will play a key role in supplier evaluation, battery testing, life prediction, and supporting battery system development for grid-scale, commercial, and industrial energy storage solutions.

Key Responsibilities

• Evaluate and qualify lithium-ion battery cells from multiple suppliers for BESS applications.
• Execute comprehensive cell characterization and validation tests, including:
• HPPC (Hybrid Pulse Power Characterization)
• Capacity testing
• DCIR (Direct Current Internal Resistance)
• OCV-SOC characterization
• Validate supplier datasheets against actual laboratory test results and identify performance gaps.
• Support supplier benchmarking and maintain the Approved Vendor List (AVL).
• Conduct battery testing under various BESS operating conditions, including:
• Peak shaving
• Backup power
• Load shifting
• Define optimum operating windows for State of Charge (SOC), temperature, and C-rate to maximize battery performance and life.
• Perform cycle life testing, calendar ageing studies, and degradation analysis, including:
• Capacity fade
• Resistance growth
• Performance deterioration
• Support battery life prediction models and provide technical inputs for product warranty estimation.
• Collaborate with system engineering teams to correlate cell-level performance with module and battery pack behaviour.
• Work closely with BMS, thermal management, and system integration teams to establish power limits, thermal operating windows, and safety margins.
• Coordinate with battery cell suppliers and external laboratories for testing, validation, and technical discussions.
• Investigate field performance issues and support root cause analysis activities.
• Evaluate cost-performance trade-offs during cell selection and supplier comparison.
• Prepare detailed technical reports, test summaries, and maintain organized test data records.

Required Qualifications

• Master's degree (M.Tech/M.Sc.) or PhD in one of the following:
• Electrochemistry
• Chemical Engineering
• Materials Science
• Energy Storage
• Electrochemical Engineering
• Related disciplines

Experience

• Minimum 4 years of hands-on experience in:
• Lithium-ion battery testing
• Cell characterization
• Electrochemical analysis
• Cell validation and qualification
• Experience working with battery cell suppliers or external testing laboratories is preferred.
• Experience in Battery Energy Storage Systems (BESS), renewable energy, or electric vehicle battery development is an added advantage.

Technical Skills

Battery Technologies

• Strong understanding of Lithium-ion battery chemistries, particularly:
• LFP (Lithium Iron Phosphate)
• NMC (Nickel Manganese Cobalt)
• Basic knowledge of NCA, Sodium-ion, and Solid-State battery technologies.

Battery Testing

Hands-on experience in:

• HPPC testing
• Capacity testing
• DCIR measurement
• OCV-SOC characterization
• Cycle life testing
• Calendar ageing studies
• Electrochemical performance evaluation

Battery Equipment

Experience using battery cyclers such as:

• Arbin
• Neware
• Bitrode
• Repower
• Equivalent battery testing systems

Data Analysis

Proficiency in one or more of the following:

• Microsoft Excel
• Python
• MATLAB

Standards (Preferred)

Awareness of battery safety and qualification standards such as:

• UL 9540A
• IEC 62619
• UN38.3

Preferred Skills

• Experience with Battery Energy Storage Systems (BESS), Commercial & Industrial (C&I), or Grid-scale energy storage applications.
• Basic understanding of Battery Management Systems (BMS), including SOC and SOH estimation.
• Familiarity with battery safety, thermal behaviour, and system integration principles.
• Experience supporting supplier qualification and technical reviews.

Core Competencies

• Strong analytical and problem-solving skills.
• Excellent data interpretation and reporting abilities.
• Structured and methodical approach to battery testing and validation.
• Effective communication and collaboration with cross-functional teams and external suppliers.
• Hands-on, detail-oriented, and execution-focused mindset.
• Ability to work independently while managing multiple testing and validation activities. 

Job Title: Sr. Engineer – BESS Battery Pack Design, Testing & Validation 

Location: Bangalore

Job Type: Full-time 

Experience: 3+ years preferred  

About the Role: 

We are hiring a Senior Engineer with in-depth expertise in the design, testing, and 

validation of battery packs for Battery Energy Storage Systems (BESS). This role 

will be responsible for developing safe, reliable, and high-performance lithium-ion battery 

pack systems—from cell selection and mechanical/electrical design to testing, validation, 

and compliance. 

The ideal candidate will work cross-functionally with R&D, manufacturing, and QA/QC 

teams to deliver battery pack solutions that meet performance, safety, thermal, and 

regulatory standards for grid-scale, commercial and industrial applications. 

Key Responsibilities: 

• Design battery pack architecture (cell-to-module, module-to-pack) 

including mechanical layout, electrical schematics, and thermal systems. 

• Select appropriate cells (LFP, NMC, etc.) based on application-specific 

performance and safety criteria. 

• Integrate and validate Battery Management Systems (BMS), thermal 

protection, contactors, and fuse logic. 

• Collaborate with mechanical design teams on enclosures, structural 

integrity, and thermal management. 

• Define and execute DFMEA, validation plans, and test protocols for pack-

level performance, lifecycle, thermal, and abuse tests. 

• Lead charge/discharge cycle testing, aging studies, and thermal runaway 

simulations. 

• Coordinate with external labs for certifications (e.g., UL 9540A, UN38.3, IEC 

62619, etc.). 

• Analyze test data for SoH, SoC, degradation, impedance, and thermal 

characteristics. 

• Generate detailed design reports, validation reports, and compliance 

documentation. 

• Work with component vendors (cells, BMS, thermal materials) for 

specifications, sourcing, and testing. 

• Interface with internal engineering, field, and manufacturing teams to 

integrate design feedback and optimize production feasibility 

Required Qualifications: 

• B.E./B.Tech or M.E./M.Tech in Electrical, Electronics, Power Systems, or Mechatronics. 
• 3+ years’ experience in battery pack design, thermal/electrical integration, and validation. 
• Deep understanding of Li-ion chemistry (LFP/NMC) , Li-ion cell behaviour, SoC/SoH metrics, and degradation mechanisms. 
• Strong knowledge of BMS design, CAN communication, and thermal runaway mitigation. 

Job Title: Application & Solutions Engineer – BESS

Location: Bangalore

Experience: 4–6 Years

Qualification: Bachelor's Degree in Electrical/Electronics Engineering

Department: Engineering

About the Role

We are seeking a highly motivated and detail-oriented Application & Solutions Engineer – BESS to join our Engineering team. The ideal candidate will have 4–6 years of experience in Battery Energy Storage Systems (BESS), Lithium-Ion batteries, and power systems. In this role, you will be responsible for designing, validating, and delivering customized BESS solutions that meet customer requirements while supporting product development, technical proposals, and project execution.

Key Responsibilities

• Analyze customer requirements and develop optimized Battery Energy Storage System (BESS) solutions.
• Perform system sizing calculations, including battery capacity (kWh), power rating (kW), C-rate, and backup time based on project requirements.
• Prepare technical proposals, solution architecture, and techno-commercial documentation.
• Support Sales and Business Development teams during customer meetings, technical discussions, and solution presentations.
• Coordinate with Design, Supply Chain, and Project teams to ensure successful product development and project delivery.
• Evaluate and integrate key BESS components, including Battery Management Systems (BMS), Power Conversion Systems (PCS), Energy Management Systems (EMS), and battery packs.
• Conduct system testing, validation, FAT/SAT activities, commissioning support, and troubleshooting.
• Ensure compliance with relevant industry standards such as IEC, UL, and IEEE.
• Prepare technical documentation, reports, and user manuals.
• Deliver technical training and support to internal teams, customers, and partners.
• Stay updated with the latest advancements in energy storage technologies and industry trends.

Required Skills

• Strong understanding of Battery Energy Storage System (BESS) architecture and applications.
• Hands-on experience with Lithium-Ion batteries, BMS, PCS/Inverters, and EMS.
• Knowledge of electrical system design, HV/LV systems, protection schemes, and grid integration.
• Ability to perform technical calculations and system sizing for energy storage applications.
• Experience interpreting electrical schematics, single-line diagrams, and technical drawings.
• Familiarity with testing, validation, commissioning, and troubleshooting of BESS.
• Good working knowledge of MS Excel, PowerPoint, Word, and AI productivity tools.
• Strong analytical, problem-solving, communication, and stakeholder management skills.

Preferred Qualifications

• Bachelor's degree in Electrical, Electronics, or Energy Engineering.
• Experience with utility-scale BESS, Lithium-Ion battery systems, mobile battery units, or solar + storage integration.
• Knowledge of SCADA, EMS, remote monitoring, and data logging systems.
• Exposure to international standards, tendering processes, and renewable energy projects.

What We Offer

• Opportunity to work on innovative Battery Energy Storage and renewable energy projects.
• Exposure to cutting-edge energy storage technologies.
• Collaborative work environment with cross-functional teams.
• Professional growth and career development opportunities.

Standards & Compliance Engineer – BESS / PCS / C&I Systems

Location: Bangalore

Experience: 4+ Years

Qualification: B.E./B.Tech in Electrical, Electronics, or Power Engineering

Key Responsibilities:

• Ensure compliance of BESS, PCS, and C&I products with IEC, UL, IEEE, BIS, and other international standards.
• Prepare compliance matrices, perform gap analysis, and ensure product design meets regulatory requirements.
• Coordinate with certification bodies and testing laboratories for product certifications.
• Plan, execute, and monitor product testing and validation activities.
• Review test reports, resolve non-conformities, and maintain compliance documentation.
• Collaborate with design, quality, vendors, and project teams to achieve timely approvals.
• Support customer compliance queries and technical discussions.

Required Technical Skills:

• Strong knowledge of electrical systems and battery technologies.
• Hands-on experience with certification processes and testing methodologies.
• Understanding of compliance documentation and regulatory approvals.

Standards Exposure:

• IEC 62619, IEC 63056, UL 1973, UL 9540/9540A
• IEC 62477, IEC 62109, IEEE 1547
• IEC 61439, IEC 60204, UN38.3, BIS

Desired Skills:

• Excellent communication and coordination skills.
• Strong analytical and problem-solving abilities.
• Detail-oriented with a quality-focused approach.
• Ability to manage multiple projects and work independently.

This profile is ideal for candidates with experience in Battery Energy Storage Systems (BESS), Power Conversion Systems (PCS), renewable energy, electrical testing, certification, compliance, or power electronics.

Job Description

Senior Manager / AGM – Engineering Lead (BESS)

Location: Bangalore

Experience: 12+ Years

Qualification: Bachelor's/Master's in Electrical Engineering

Key Responsibilities:

• Lead the engineering team for BESS, Solar, and Wind EPC projects.
• Manage engineering activities related to Power Evacuation Systems, including Switchyards, GSS Upgradation, Transmission Lines, Communication Systems, and AC/DC Electrical Systems.
• Provide technical leadership and coordinate with outsourced engineering (OE) teams for project execution.
• Deliver technical inputs for tendering and future bidding activities.
• Coordinate with clients to ensure timely engineering deliverables and project milestones.
• Ensure engineering designs comply with applicable grid codes and project requirements.
• Support EPC project execution by collaborating with cross-functional teams and resolving technical issues.

Required Technical Skills:

• Strong expertise in Power Evacuation Systems and Grid Integration.
• Hands-on experience in Switchyard, GSS, Transmission Line, Communication Systems, and AC/DC Electrical Systems.
• Experience in engineering leadership and managing technical teams.
• Strong knowledge of EPC project engineering and execution.
• Experience in client coordination and tender engineering.

Mandatory Regulatory Exposure:

• Working knowledge of CTUIL, CEA, MSETCL, MSEDCL, KPTCL, or TNEB regulations is mandatory.
• Exposure to additional state or central grid regulations will be an added advantage.