BESS Design Manager / DGM – Battery Energy Storage Systems (Solar Power)

Title: Battery Energy Storage Systems (BESS) Manager – Solution Engineering

Location: Delhi

Qualification: BE/ME in Electrical Engineering from a recognized university.

Experience:

• Minimum 10-15 years of experience in renewable energy systems, including Solar PV, Wind, and Battery Energy Storage Systems.
• At least 2 years of hands-on experience in utility-scale BESS design and engineering.

About the Role:

We are seeking an experienced and highly motivated Battery Energy Storage Systems (BESS) Manager to strengthen our BESS Solution Engineering capabilities. The role will be responsible for supporting both pre-bid (proposal and solution development) and post-bid (detailed engineering and project delivery) activities for utility-scale Battery Energy Storage System projects and hybrid renewable energy projects.

The successful candidate will play a key role in the design, optimization, engineering, and integration of BESS solutions for standalone and renewable energy applications, including Solar PV, Wind, and Hybrid Energy Systems.

Key Responsibilities:

Pre-Bid / Proposal Engineering:

• Develop optimal BESS solutions for utility-scale and hybrid renewable energy projects.
• Perform battery sizing, technology evaluation, and application-specific optimization.
• Support techno-commercial proposal preparation, technical due diligence, and bid submissions.
• Prepare and review technical specifications, datasheets, scope of work documents, and performance guarantees.
• Evaluate battery technologies, power conversion systems, and associated balance-of-system components.
• Conduct energy modelling, dispatch optimization, and performance assessments for various BESS applications.

Detailed Engineering & Project Delivery:

• Prepare and review Single Line Diagrams (SLDs), layouts, and system architecture for BESS projects.
• Coordinate with electrical, civil, solar PV, and project execution teams to ensure seamless integration of the BESS package.
• Support detailed engineering, design validation, equipment selection, and vendor technical evaluations.
• Review engineering deliverables, testing procedures, commissioning plans, and performance validation documents.
• Provide technical support during project execution, commissioning, and handover stages.
• Ensure compliance with applicable safety, design, installation, testing, and commissioning standards.

Technical Requirements:

Battery & Energy Storage Expertise:

• Strong understanding of battery technologies, chemistry selection, performance characteristics, degradation mechanisms, lifetime modelling, and augmentation strategies.
• Experience in battery sizing and optimization for various applications such as:
• Renewable energy integration
• Peak shaving and load shifting
• Frequency regulation
• Grid support services
• Microgrids and hybrid energy systems
• Ability to evaluate and optimize battery parameters to achieve technically and commercially viable solutions.

Power Conversion & System Integration:

• Profound knowledge of bi-directional inverter operation, controls, and integration with battery systems.
• Good understanding of DC/DC converters and power conversion technologies.
• Experience in selection, sizing, and specification of power conversion equipment.
• Basic understanding of integration and operation of:
• Battery Management Systems (BMS)
• Energy Management Systems (EMS)
• SCADA Systems

Design & Engineering:

• Preparation and review of:
• Single Line Diagrams (SLDs)
• Electrical layouts
• Equipment specifications
• Functional and performance requirements
• Understanding of utility-scale BESS architecture and integration with renewable generation assets.

Standards & Compliance:

Detailed knowledge of relevant standards and codes including:

• UL Standards
• IEEE Standards
• IEC Standards
• European Standards
• Indian Standards (IS)

Particularly related to:

• BESS design and safety
• Battery systems
• Power conversion systems
• Installation, testing, validation, and commissioning requirements

Preferred Skills:

Experience with one or more of the following tools will be an advantage:

Energy System & Microgrid Simulation:

• HOMER
• HOMER Grid
• Fractal
• PLEXOS

Power System Studies:

• PSS®E
• DIgSILENT PowerFactory
• ETAP

Battery & Energy Modelling:

• MATLAB or equivalent simulation platforms
• Battery sizing and optimization tools
• Performance modelling and degradation analysis tools

Commercial & Economic Analysis:

• Energy modelling for hybrid renewable energy projects
• LCOE (Levelized Cost of Energy) calculations
• LCOS (Levelized Cost of Storage) calculations
• Techno-economic evaluation of Solar + BESS and Wind + BESS systems

Desired Candidate Profile:

• Minimum 10-15 years of experience in renewable energy systems, including Solar PV, Wind, and Battery Energy Storage Systems.
• At least 2 years of hands-on experience in utility-scale BESS design and engineering.
• Strong analytical, problem-solving, and system integration skills.
• Excellent communication and stakeholder management capabilities.
• Ability to work across multidisciplinary engineering teams and manage multiple projects simultaneously.