Athi N

Automotive engineer with expertise in engine testing, performance and emissions optimisation, and calibration, backed by strong experience in production assembly, quality control, and assembly line operations. Skilled in high-voltage electric vehicle systems, process improvement, and ensuring compliance with industry standards to deliver reliable and efficient vehicle performance.

Testing Engineer - Mahindra Research Valley - Chennai

(2025-06)

Engine testing and Calibration

• Working in the Powertrain Development Centre on engine testing and calibration for diesel engines.
• Responsible for performance and emissions optimization while ensuring compliance with BS6 and Euro 6 emission standards.
• Collaborating with cross-functional teams for issue resolution, validation activities, and process improvements.
• Hands-on experience in SCR trials on the W502-D22 engine platform.
• Experienced in part load (PTP) and full load (FTP) optimization and calibration activities.
• Performed basic calibration activities including FMTC, ET, and related engine parameter tuning.
• Skilled in FTP and PTP characteristic analysis for engine performance and emission evaluation.
• Hands-on experience in turbo trials on the W601 engine platform.
• Experienced in swing trials using INCA software for calibration and data analysis.
• Strong knowledge of ATS components including DOC, DPF, SCR, and LNT systems.
• Worked extensively on emissions and smoke optimization for diesel engine applications.
• Hands-on experience with AVL equipment such as AMA i60 analyzer, smoke meter, CCU, and fuel balancer systems.
• Troubleshot ECU wiring harness failures and resolved engine test bed-related issues efficiently.
• Experienced in handling emission analyzers including CLD, FID, NDIR, and PMD systems.
• Proficient in calibration and combustion analysis tools such as INCA, IASYS, and INDICOM.

Assembly Technician - BMW India Pvt Ltd - Chennai

(2023-01 - 2025-12)

• Assemble parts by using assembly manual work instruction and assembly drawings (Engine Transmission, Over Head)
• Implement new ideas for quality improvements increase productivity and cost reduction.
• Solving the quality issues with assembly team.
• Installing electric motors, inverters, and transmission units into the vehicle chassis.
• Assembling high-voltage battery packs and connecting power cables.
• Following safety protocols for high-voltage (HV) components.

Assembly Technician - HYUNDAI motors India pvt Ltd - Chennai

(2022-01 - 2023-12)

• Performed rework on engine room components to meet quality and performance standards.
• Collaborated with engineering teams to troubleshoot and resolve recurring quality issues.
• Ensured compliance with standard operating procedures (SOPs) and safety guidelines during rework operations.

DIPLOMA - Arulmigu senthil andavar polytechnic college (2018-01 - 2021-12)