EMI/EMC Specialist

Our Story

Blue Star is India's leading Heating, Ventilation, Air conditioning and Commercial Refrigeration (HVAC&R) Company with modern manufacturing facilities including the new state-of-the-art deep freezer facility at Wada, and Blue Star Climatech Limited's world-class facility at Sri City; 3132 employees, and 4040 channel partners. The Company has manufacturing facilities at Dadra, Himachal Pradesh, Wada and Ahmedabad, which use modern, state-of-the-art manufacturing equipment to ensure that the products have consistent quality and reliability. The Company has a manufacturing footprint of more than 1 lakh sq m, with the mainstay of product development and R&D being energy-efficiency, coupled with eco-friendly and sustainable products

What Your Role Entails

The EMI/EMC Specialist will be responsible for ensuring that all HVAC productsVRF systems, Chillers, Heat Pumps, IDUs/ODUs, motor drives, and inverter-based control systemsmeet global electromagnetic compliance standards. The role includes designing for EMC, conducting pre-compliance testing, debugging EMI/EMC issues, coordinating certification, and supporting electronics and mechanical teams to implement corrective measures.

What You'll Do:

EMI/EMC-Compliant Product Releases

• Ensure all HVAC products (VRF ODU/IDU, Chillers, Heat Pumps, Inverter Drives) achieve first-time-pass or minimal iteration passes in EMI/EMC certification tests.
• Deliver fully compliant products as per CE/UL/BIS/IEC requirements.

Pre-Compliance Testing & Diagnostic Reports

• Complete comprehensive pre-compliance tests for all proto units.
• Provide RCA-based diagnostic reports including:
• Emission sources
• Noise coupling paths
• Proposed mitigation actions
• Clearly document frequency spectrum findings and design improvement plans.

EMI/EMC Design Guidelines & Checklists

• Create and maintain standardized design guidelines for:
• PCB layout
• Grounding and shielding
• Harness routing
• Control box layout
• Inverter drive noise mitigation
• Publish design checklists for all electronics and electrical teams.

Design Review Outputs

• Provide EMI/EMC review comments on every:
• New PCB
• Power module/inverter board
• Control box design
• Harness and connector layout
• Ensure the design follows EMC best practices before proto release.

Mitigation Implementation & Verification

• Deliver validated mitigation solutions such as:
• Filters, ferrite selection
• PCB layout modifications
• Shielding improvements
• Firmware modifications - spread spectrum, PWM tuning.
• Harness rerouting and grounding corrections
• Verify improvements through re-testing and final reports.

Certification Coordination & Documentation

• Prepare all documentation for certification:
• Test plans
• Test reports
• TCF (Technical Construction Files)
• Compliance matrix
• Coordinate with 3rd-party labs to ensure smooth certification and minimal retesting cost.

EMI/EMC Risk Assessment

• Identify EMI risk early in the project cycle.
• Deliver risk assessment documents for Controller, Inverter Drives, and complete HVAC units.
• Provide mitigation plans for high-risk components and layouts.

Field Issue Resolution

• Provide EMI/EMC analysis for field failures such as:
• Sensor instability
• Communication failures (RS485/CAN noise issues)
• Controller resets / inverter abnormal trips
• Deliver actionable solutions and preventive measures for future designs.

Your success is grounded in

• B.Tech/M.Tech in Electronics/Electrical Engg with minimum 8 years of experience.

EMI/EMC Fundamentals & Standards

• Deep understanding of electromagnetic emission and immunity fundamentals.
• Expertise in international EMC standards applicable to HVAC/inverter products:
• CISPR 11, CISPR 14-1, CISPR 14-2
• IEC 61000-4 series (ESD, EFT/Burst, Surge, Conducted Immunity, Radiated Immunity)
• IEC 61000-3-2/3-3 (Harmonics & Flicker)
• UL, CE, ETL, BIS compliance frameworks

Power Electronics & Inverter Knowledge

• Strong understanding of:
• High-frequency switching (IGBT/MOSFET)
• PWM generation and switching harmonics
• Common-mode and differential-mode noise
• Inverter noise coupling into motors, harnesses, and sensors
• Knowledge of BLDC/FOC motor control and switching topology impacts on EMI.
• Experience reviewing PCBs for power boards, controllers, and SMPS.

System-Level EMC Expertise - HVAC products

• Understanding of EMI impacts on:
• Compressor drives , Fan inverters , Communication lines (RS485, CAN, Modbus)
• Sensors (NTC, pressure sensors, flow sensors) , Control PCBs & SMPS
• Expertise in designing control boxes with proper shielding and grounding.
• Understanding interactions between:
• Harness layout . Power lines , Controller location , Metal enclosure/earth grounding

Pre-Compliance Testing Skills

• Hands-on use of EMI/EMC lab equipment:
• Spectrum analyzers , EMI receivers , LISN , Near-field probes , Oscilloscopes for analyzing HF noise , ESD/EFT/Surge generators , Radiated emission setups (chambers/antennas).
• Ability to Run pre-compliance tests , Identify emission peaks, root causes, and coupling paths
• Suggest immediate and long-term design fixes

EMI/EMC Debugging & Mitigation

• Expertise in isolating noise sources using:
• Current probes
• Magnetic/electric near-field probes
• Time-domain and frequency-domain analysis
• Implementing solutions:
• Filter design (CM/DM filters)
• Shielding and grounding improvements
• Layout corrections
• Harness rerouting
• Snubber circuit implementation
• Firmware-based mitigation (spread spectrum, switching frequency modulations)

HVAC Product Knowledge

• Understanding of electrical architecture of:
• VRF outdoor and indoor units
• Chillers (air-cooled and water-cooled)
• Heat pumps

Compliance Documentation & Certification

• EMC test reports
• Risk analysis
• Technical construction files
• Design justification documents
• Coordinating with certified labs for formal testing.

Interested candidates can also drop your resume to [Confidential Information] with the brief on the projects worked.

Where you'll be

This role is based in Hinjawadi, Pune but initial few months the role will be based in Kapurbawdi, Thane.

At Blue Star, you are not just another employee; you're part of a vibrant community that values innovation, dedication, and teamwork. We believe in investing in our people and providing opportunities for professional growth and development. You'll be empowered to take ownership of your role and make a difference in the lives of our customers and colleagues. If you're ready to take on this exciting challenge and make a real impact, we would love to hear from you!