Specialist - Controls Systems

Lennox; Chennai District; On-site; INR 700,000 - 1,100,000; Full time

Job summary

Lennox in Chennai, India seeks an Electrical Design Engineer to design and develop electrical systems for HVAC products, including control panels, wiring diagrams, and schematics. The role collaborates with mechanical, software, and systems teams to deliver integrated solutions.

You will use AutoCAD Electrical, EPLAN, and SolidWorks Electrical to create detailed drawings, validate control strategies for AHU, Chillers, and rooftops, ensure compliance with UL/CE/IEC standards, and support

Qualifications

• Requires a bachelor's degree in engineering.
• Requires at least 5 years related experience.
• Strong knowledge of HVAC systems and components (Chillers, AHUs, HVAC controls)
• Experience in electrical design and schematic development
• Hands‑on experience with CAD tools (AutoCAD Electrical, EPLAN, etc.)
• Good understanding of control systems, PLCs, VFDs, and sensors
• Knowledge of electrical standards and safety regulations
• Understanding of panel design and wiring practices
• Exposure to Digital Twin / system modeling is an added advantage

Responsibilities

• Design and develop electrical systems for HVAC products, including control panels, wiring diagrams, and schematics
• Create detailed electrical drawings using tools such as AutoCAD / EPLAN / SolidWorks Electrical
• Develop and validate control strategies for HVAC systems (AHU, Chillers, Rooftop Units, etc.)
• Selection of electrical components such as sensors, PLCs, relays, drives, and control devices
• Ensure designs comply with international standards (UL, CE, IEC, NEC, etc.)
• Work closely with mechanical, software, and systems teams for integrated product development
• Support prototype build, testing, and validation activities
• Participate in troubleshooting, root cause analysis, and design improvements
• Prepare technical documentation, BOMs, and design reports

Skills

HVAC knowledge

Electrical design

Control systems

Panel design

Schematic development

Knowledge of standards

Education

Bachelor's degree in Engineering

Tools

AutoCAD Electrical

EPLAN

SolidWorks Electrical

Job description

Company Profile

Lennox (NYSE: LII) Driven by 130 years of legacy, HVAC and refrigeration success, Lennox provides our residential and commercial customers with industry‑leading climate‑control solutions. At Lennox, we win as a team, aiming for excellence and delivering innovative, sustainable products and services. Our culture guides us and creates a workplace where all employees feel heard and welcomed. Lennox is a global community that values each team member’s contributions and offers a supportive environment for career development. Come, stay, and grow with us.

Job Description

• Design and develop electrical systems for HVAC products, including control panels, wiring diagrams, and schematics
• Create detailed electrical drawings using tools such as AutoCAD / EPLAN / SolidWorks Electrical
• Develop and validate control strategies for HVAC systems (AHU, Chillers, Rooftop Units, etc.)
• Selection of electrical components such as sensors, PLCs, relays, drives, and control devices
• Ensure designs comply with international standards (UL, CE, IEC, NEC, etc.)
• Work closely with mechanical, software, and systems teams for integrated product development
• Support prototype build, testing, and validation activities
• Participate in troubleshooting, root cause analysis, and design improvements
• Prepare technical documentation, BOMs, and design reports

Qualifications

Requires a bachelor's degree in engineering. Requires at least 5 years related experience.

• Strong knowledge of HVAC systems and components (Chillers, AHUs, HVAC controls)
• Experience in electrical design and schematic development
• Hands‑on experience with CAD tools (AutoCAD Electrical, EPLAN, etc.)
• Good understanding of control systems, PLCs, VFDs, and sensors
• Knowledge of electrical standards and safety regulations
• Understanding of panel design and wiring practices
• Exposure to Digital Twin / system modeling is an added advantage