Senior Engineer BESS Container and System Integration Design

Voltsun Labs Pvt. Ltd.; Tirupati; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Voltsun Labs Pvt. Ltd. in Tirupati develops Battery Energy Storage System (BESS) container layouts and performs comprehensive system integration of racks, BMS, PCS, EMS, HVAC and safety systems. The team prepares GA drawings, 2D/3D models, BOMs, and detailed engineering docs to ensure efficient, compliant designs.

Role emphasizes design calculations, standards compliance, FAT/SAT support, and collaboration with multiple engineering disciplines to deliver reliable BESS solutions.

Qualifications

• Experience in BESS container layouts and integration.
• Knowledge of IEC, UL, NFPA, IEEE and NEC standards.
• Ability to review vendor drawings and datasheets.
• Experience with GA drawings, 2D/3D models, and BOMs.

Responsibilities

• Design and develop BESS container layouts based on project and customer requirements.
• Perform system integration of Battery Racks, BMS, PCS, EMS, HVAC, Fire Protection, SCADA, and ancillary equipment.
• Prepare GA drawings, 2D/3D models, BOMs, and engineering documentation.
• Ensure optimal equipment placement, cable routing, ventilation, accessibility, and maintainability.
• Coordinate with Electrical, Mechanical, Controls, Civil, Manufacturing, Procurement, and Project teams.
• Conduct design calculations including thermal analysis, equipment sizing, structural loading, and ventilation requirements.
• Ensure designs comply with IEC, UL, NFPA, IEEE, NEC, and customer-specific standards.
• Review and approve vendor drawings, specs, and datasheets for integration compatibility.
• Support FAT, SAT, commissioning, and troubleshooting of BESS projects.
• Identify and resolve system integration and design issues during engineering and project execution.
• Drive design optimization, standardization, value engineering, and cost reduction while maintaining quality and safety.
• Collaborate with customers, consultants, and EPC teams to address technical queries and provide engineering support throughout the project lifecycle.

Skills

BESS design

System integration

GA drawings

2D/3D modeling

BOM review

Thermal analysis

Standards compliance

Tools

Vendor drawings

Engineering documentation

Job description

• Design and develop Battery Energy Storage System (BESS) container layouts based on project and customer requirements.
• Perform system integration of Battery Racks, BMS, PCS, EMS, HVAC, Fire Protection System, SCADA, and auxiliary equipment within the BESS container.
• Prepare and review General Arrangement (GA) drawings, 2D/3D models, BOMs, and engineering documentation.
• Ensure optimal equipment placement, cable routing, ventilation, accessibility, and maintainability of containerized BESS solutions.
• Coordinate with Electrical, Mechanical, Controls, Civil, Manufacturing, Procurement, and Project teams for seamless system integration.
• Conduct design calculations, including thermal analysis, equipment sizing, structural loading, and ventilation requirements.
• Ensure designs comply with IEC, UL, NFPA, IEEE, NEC, and customer-specific standards.
• Review and approve vendor drawings, technical specifications, and component datasheets for integration compatibility.
• Support Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT), commissioning, and troubleshooting of BESS projects.
• Identify and resolve system integration and design issues during engineering and project execution.
• Drive design optimization, standardization, value engineering, and cost reduction initiatives while maintaining quality and safety.
• Collaborate with customers, consultants, and EPC teams to address technical queries and provide engineering support throughout the project lifecycle.Role & responsibilities

Preferred candidate profile