Sr. Design Engineer – Rooftop Solar & BESS

Role Objective

The role is responsible for end-to-end rooftop solar and BESS detailed engineering , including site assessments, client and internal coordination, preparation of detailed designs, and compliance with grid codes and standards to support presales and project execution.

Key Duties & Responsibilities

1. Site Visits & Client Coordination

• •Coordinate with clients for site visits as per proposal and detailed engineering requirements.
• •Plan and conduct site visits to collect roof, structural, and electrical data required for engineering.
• •Ensure accurate and complete site data collection for design and execution teams.

2. Stakeholder & People Coordination

• •Arrange and participate in client meetings along with the BD team for presales and post-sales support.
• •Coordinate with internal technical teams for data sharing and knowledge transfer.
• •Liaise with HSE and Asset Management teams for design approvals.
• •Coordinate with internal operations teams for smooth data and document handover.
• •Prepare weekly progress and update reports and present them to the Regional Manager.

3. Detailed Engineering & Design

• •Maintain project documentation including OTM, Scope Matrix, KOM documents for reference.
• •Prepare Module Design Layout (MDL) and detailed Design Reports .
• •Ensure designs comply with local Grid Codes , relevant international standards , and statutory requirements.
• •Develop detailed plant layouts, Single Line Diagrams (SLD), and all GFC drawings .
• •Demonstrate strong proficiency in AutoCAD (including shortcut keys).
• •Prepare Bill of Materials (BOM) , earthing reports, ESMS documentation, and other detailed design deliverables.
• •Validate component drawings submitted by manufacturers.
• •Perform client load profile analysis for BESS capacity calculations .
• •Lead BESS detailed design , including:
• •Battery chemistry selection
• •Power converter selection
• •EMS & BMS schematic definition

Critical / Must-Have Skills

• •Strong expertise in rooftop solar PV system design and detailed engineering .
• •Proficiency in design and simulation tools:
• •AutoCAD, SolidWorks, Google SketchUp
• •PVsyst, Solar Lab, Helioscope, PVcase
• •Sound understanding of grid connectivity, protection systems, and standards .
• •Experience in BESS system design and integration .
• •Strong project coordination, leadership, and stakeholder management skills.
• •Excellent verbal and written communication skills.
• •Ability to work in a multi-functional, multi-tasking environment with high ownership.