1. System Architecture

- Develop complete system architecture for:

- Solar PV systems
- Grid-connected solar systems
- Hybrid solar + battery systems

- Residential energy storage systems
- Commercial & industrial BESS
- Solar + BESS + grid systems

- Backup power systems
- EV charging + solar + storage systems

- Define system voltage, current, power, energy and communication architecture.
- Develop system block diagrams and functional architectures.
- Define interfaces between PV modules, inverter, battery, BMS, EMS, grid and loads.

2. Solar PV System Design

- Design PV systems from module level to complete system level.

- Perform

- String sizing

- DC/AC ratio calculations

- MPPT configuration

- Voltage/current calculations

- Cable sizing

- Protection selection

- Earthing and SPD design

- System efficiency calculations

- Develop designs for residential, C&I;, utility and specialized applications.
- Evaluate module, inverter and BOS compatibility.

3. Inverter System Design

Work with engineering teams to develop:
- On-grid/grid-tied inverters

- Hybrid inverters
- Off-grid inverters

- Battery PCS

- Bidirectional converters
- DC-DC converters
- AC-DC/DC-AC power conversion systems

Responsibilities include
- Define electrical architecture.
- Select power semiconductors and major components.
- Develop power-flow architecture.
- Define MPPT and power-conversion requirements.
- Define protection architecture.
- Support control strategy development.
- Work with firmware/control engineers on functional requirements.
- Support thermal and reliability design.

4. BESS System Design

Design BESS solutions from 1 kWh to 1 MWh+.

Responsibilities include

- Battery pack architecture

- Cell selection

- Module and rack architecture

- Series/parallel configuration

- Voltage and capacity calculations

- BMS architecture

- PCS selection/integration

- EMS integration

- DC protection

- AC protection





- Thermal management

- Fire and safety architecture

- Communication architecture

- Containerized BESS architecture

Develop complete system-level designs for: Cell → Module → Pack → Rack → BESS → PCS → EMS → Grid/Load

5. Battery & BMS Engineering

- Define battery chemistry and cell requirements.
- Calculate usable and nominal energy.
- Define C-rate requirements.
- Calculate charge/discharge current.
- Work with BMS engineers on:

- SOC

- SOH

- Cell balancing
- Over-voltage protection
- Under-voltage protection
- Over-current protection
- Over-temperature protection
- Short-circuit protection

- Define BMS communication requirements with inverter/PCS and EMS.

6. Thermal Engineering

- Perform thermal calculations for

- Inverters

- Battery packs

- BESS racks

- Power electronics

- Define cooling architecture.
- Work with mechanical engineers on:

- Air cooling

- Liquid cooling

- Heat sinks

- Fans

- HVAC

- Thermal interface materials

- Identify thermal hotspots and develop mitigation plans.

7. Electrical Protection & Safety

Develop system protection architecture including:
- Fuse

- MCB/MCCB

- DC isolator

- Contactor

- Relay

- SPD
- Pre-charge circuit

- Ground fault protection
- Over-voltage protection
- Over-current protection
- Short-circuit protection

- Emergency shutdown

Ensure designs consider applicable Indian and international standards.

8. System Simulation & Calculations

Perform engineering calculations and simulations for:
- Power flow

- Voltage/current





- Efficiency

- Thermal performance

- Battery sizing

- PV generation

- Energy yield

- Load profile

- Battery degradation

- Backup duration

- Peak shaving

- Energy arbitrage
- Solar self-consumption

- Grid interaction

Use appropriate engineering tools such as MATLAB/Simulink, PSpice/LTspice, ETAP, AutoCAD Electrical or equivalent tools, depending on the role.

9. Product Development Support

Work closely with

- R&D;

- NPD

- Firmware

- Electronics

- Mechanical

- Manufacturing

- Quality

- Procurement

- Testing

- Service
- Sales

to take products from: Requirement → Architecture → Design → Prototype → Testing → Certification → Production → Field Deployment

Requirements

Candidates from the following industries are preferred:

- Solar inverter manufacturers

- Solar module manufacturers

- BESS manufacturers

- Battery companies

- EV/EV charging

- Power electronics

- UPS

- Industrial automation

- Renewable energy

- Electrical equipment

- Energy storage

- Power conversion systems

Experience with companies working on inverters, PCS, BESS, battery packs, solar systems or power electronics will be an advantage.

Educational Qualification

Essential:

- B.Tech / B.E. in Electrical Engineering
- Electronics & Communication Engineering

- Power Electronics
- Electrical & Electronics Engineering

Preferred:

- M.Tech in Power Electronics / Electrical Engineering
- Experience in renewable energy or energy storage

Perks

Work Timing : 10:00 am to 7:00 pm (Monday to Saturday)

Education : BBA/Bcom/Btech

Address : Loom Solar Pvt Ltd (14/4 Mathura Road, Faridabad 121003)

Contact : Muskan Singh

Gender : Male / Female

Job Type : Full Time

Job Location : Faridabad

Industry Type : Renewable Solar Energy

Pay Types : Fix Pay and Performance Incentives

Support : [email protected]

📌 System Design Engineer (Haryana)
🏢 LOOM SOLAR
📍 Haryana