1. Key Mission

Build an engineering organization capable of developing Loom-owned hybrid inverter and BESS products that are:

- Safe

- Reliable

- Cost competitive

- Highly efficient

- Easy to install and service

- IoT/cloud connected

- Scalable from residential to C&I; applications

- Designed for Indian grid and operating conditions

- Ready for domestic and international markets

Primary objective: Build Loom's core power-electronics IP rather than remaining dependent on OEM products.

2. Key Responsibilities

A. Product Architecture

Own architecture for

- Hybrid inverter

- On-grid inverter

- Off-grid inverter

- Battery inverter

- PCS

- Residential BESS

- C&I; BESS

- Battery packs

- BMS

- EMS

- Energy gateway

- Monitoring platform

Define

PV → Inverter → Battery → Grid → Load → EV system architecture.

B. Hybrid Inverter Development

Lead development of

- 3 kW

- 5 kW

- 6 kW

- 8 kW

- 10 kW

- 15 kW+

- Three-phase hybrid inverter platforms

Key engineering areas
- MPPT

- DC/DC

- DC/AC conversion

- Power semiconductor selection

- MOSFET/IGBT/SiC architecture

- Magnetics

- Gate drivers

- Protection circuits

- Grid synchronization

- Anti-islanding

- Power-factor control

- Harmonic reduction

- Thermal management

- Surge protection

- Firmware/control algorithms

3. BESS Engineering

Develop scalable BESS platforms from residential to commercial applications.

Responsibilities include

- Battery pack architecture

- Rack design

- BMS

- Cell selection

- Battery balancing

- SOC/SOH algorithms

- Thermal management

- DC protection

- Contactors

- Fuses

- Pre-charge circuits

- PCS

- EMS

- Fire protection

- HVAC integration

- Containerized BESS architecture

- Battery monitoring

- Remote diagnostics

Experience with LFP chemistry and large-format battery systems is highly desirable.

4. BMS & EMS Development

Build or manage development of an intelligent BMS capable of:

- Cell monitoring

- Cell balancing

- Over-voltage protection

- Under-voltage protection

- Over-current protection

- Short-circuit protection

- Temperature protection

- SOC calculation

- SOH calculation

- Fault detection

- Event logging

- Remote diagnostics

Develop EMS capabilities for
- Solar self-consumption

- Peak shaving

- Time-of-use optimization

- Backup power

- Grid charging

- Solar charging

- Battery scheduling

- Demand management

- DG optimization

- Agile energy management

5. Software & Connectivity

The inverter/BESS should become a connected energy platform, not merely hardware.

Lead integration of

- Embedded firmware

- DSP

- MCU

- CAN

- RS485

- Modbus

- Wi-Fi

- 4G

- Bluetooth

- OTA firmware updates

- Cloud monitoring

- Mobile application

- Remote diagnostics

- API integration

Target architecture

Device → Gateway → Cloud → App → Analytics → AI

6. Product Development Process

Own the complete NPD process:





Market requirement → Product specification → Architecture → Simulation → Prototype → EVT → DVT → PVT → Certification → Mass production → Field validation

Establish engineering gates for

- Design review

- BOM review

- Reliability review

- Safety review

- Software validation

- Hardware validation

- Production validation

- Field testing

7. Testing & Reliability

Build an internal validation laboratory covering:

Electrical

- Efficiency

- MPPT performance

- Power factor

- THD

- Load testing

- Grid simulation

- Battery cycling

Environmental

- High temperature

- Low temperature

- Humidity

- Dust

- Water ingress

- Vibration

- Shock

- Altitude

Safety

- Short circuit

- Over-voltage

- Over-current

- Thermal runaway

- Insulation

- Ground fault

- Surge

- Lightning protection

The engineering head will be accountable for field failure rate and product reliability.

8. Certification & Compliance

Lead product certification and compliance for relevant Indian and international standards, including applicable:

- BIS

- IEC

- IS standards

- EMC

- Grid-connectivity requirements

- Battery safety requirements

- Transportation requirements

- Fire-safety requirements

Experience with certification laboratories and regulatory authorities is strongly preferred.

9. Manufacturing Transfer

Work closely with
- Manufacturing

- Quality

- Supply Chain

- Procurement

- NPD

- Service

to achieve

Design → Prototype → Pilot → Mass Production

Responsibilities include

- DFM/DFA

- BOM optimization

- Component localization

- Test fixtures

- End-of-line testing

- Production calibration

- Yield improvement

- Cost reduction

10. Cost Engineering

The leader must build products that can compete with Chinese and Indian manufacturers.

Own

Target Cost → Design Cost → BOM Cost → Manufacturing Cost → Gross Margin

Focus on

- Component localization

- BOM reduction

- Design simplification

- Common platforms

- Supplier development

- Power density

- Manufacturing yield

11. Engineering Team to Build

The Head of Engineering should build the following organization:

Team

Initial Strength

Head – Power Electronics

1

Power Electronics Engineers

4–6

Embedded/Firmware Engineers

4–6

BMS Engineers

3–4

EMS/Software Engineers

3–4

Hardware Engineers

3–5

Mechanical/Thermal Engineers

2–3

Battery Pack Engineers

2–3

System Engineers

2–3

Testing & Validation

5–7

Certification/Compliance

2

Reliability Engineers

2

NPD/Project Managers

2–3

Initial team

~35–50

The organization can subsequently scale to 75–100+ engineers as Loom develops multiple product platforms.

12. First 12-Month Deliverables

The leader should be evaluated against concrete product milestones.





0–90 Days

- Build engineering organization

- Finalize product roadmap

- Select technology architecture

- Identify OEM/technology partners where required

- Establish laboratory requirements

- Freeze first-product specifications

- Create engineering SOP/NPD process

3–6 Months

- Working hybrid inverter prototype

- Battery pack prototype

- BMS prototype

- EMS prototype

- Cloud monitoring prototype

- Initial laboratory validation

6–9 Months

- Engineering validation

- Field trials

- Certification

- Manufacturing prototype

- Reliability testing

9–12 Months

Mass-production-ready Loom hybrid inverter + BESS platform with:

- Certification

- Production BOM

- Manufacturing test system

- Service manual

- Installation SOP

- Warranty framework

- Remote monitoring

- Field-service architecture

13. Key KPIs

The Head of Engineering will be measured on:

KPI

Target

Product development cycle

≤ 9–12 months

Prototype success rate

>90%

First-pass certification

>90%

Product efficiency

Industry competitive

Field failure rate

<1%

Engineering change after launch

<5%

BOM cost reduction

10–20% annually

Localization

>70% initially, increasing

On-time NPD

>90%

Warranty cost

<1–2% of sales

Product gross margin

Company target

New products launched

3–5/year

14. Candidate Profile

Must Have

- 12+ years in power electronics

- Strong inverter experience

- Hybrid inverter/PCS experience

- BESS experience

- BMS understanding

- Embedded systems experience

- Product development experience

- Manufacturing-transfer experience

- Certification experience

- Team-building experience

Preferred

Experience with companies/products involving:

- Solar inverter

- Hybrid inverter

- PCS

- BESS

- Lithium battery

- EV power electronics

- Energy storage

- EMS

- Microgrid

Experience working with Indian and Chinese engineering/manufacturing ecosystems would be a major advantage.

15. Leadership Expectations

This is not a conventional R&D; manager role.

The person must be able to:

Think like a CTO + engineer + product manager + manufacturing leader.

They must be comfortable moving between:

Customer → Product → Circuit → Firmware → Prototype → Factory → Certification → Field and personally solve critical engineering problems.

Requirements

Look for senior engineers/leaders from companies involved in:

- Solar inverters

- BESS

- Power electronics

- EV chargers

- UPS

- Industrial drives

- Energy storage

- EV powertrain

Potential talent pools include organizations such as Sungrow, Huawei Digital Power, Delta Electronics, Schneider Electric, ABB, Siemens, Luminous, Su-Kam, Exide Energy, Amara Raja, Waaree, Enphase, Growatt and GoodWe, among others.

Benefits

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

Education : MBA/Computer Science

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

Contact : Muskan Singh

Gender : Male / Female

Job Type : Full Time

Job Location : Faridabad

📌 Head of Engineering (Faridabad)
🏢 LOOM SOLAR
📍 Faridabad