Head of Engineering

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

• Dynamic 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