Mathisekar P
Aruppukottai
Summary
Renewable Energy professional with 11 years of experience in wind turbine commissioning, operations, maintenance, and solar manufacturing material management. Handson experience with 2.2 MW, 1.65 MW, 1.5 MW, and 750 kW wind turbine platforms. Skilled in troubleshooting, preventive and corrective maintenance, team leadership, technical training, and ensuring safety and quality standards. Committed to improving operational efficiency and contributing to the global transition to clean and sustainable energy.
Overview
3
3
Languages
1
1
Certification
11
11
years of professional experience
Work History
Special Task Co-ordinator
Vestas Wind technology India Pvt Ltd
04.2025 - Current
- Lead technical planning and execution of service operations, including end-to-end service order handling and maintenance scheduling across APAC and ANZ regions.
- Strong understanding of service contracts, technical documentation, engineering drawings, and operational requirements.
- Performed entitlement verification and commercial eligibility checks to ensure compliance with contractual and service agreements.
- Executed service operations activities and effectively managed customer escalations and operational issues to ensure service continuity and customer satisfaction.
- Coordinated Time & Material (T&M) work orders and collaborated with stakeholders to resolve contract-related concerns and operational challenges.
- Identified Cost Improvement Measures (CIM) opportunities and supported cost recovery and claim management initiatives.
- Prepared and presented weekly and monthly operational reports, performance metrics, and business updates to stakeholders and management teams.
- Managed and prioritized unscheduled service orders across APAC countries, ensuring timely execution and adherence to service commitments
Lead Associate
Tata power solar Ltd
Tirunelveli, Tamil Nadu
06.2023 - 03.2025
- Team Handling- warehouse operations and required material issuance to production line feeding with safety manner.
- Requires materials issue to production team - Material issue follow up as per the BOM. Analyst material management data, Prepare Material issuance data.
- Line change over based on Production planning team request.
- Preparation of MIS date & Monthly reconsolidation data.
- Ensure Material inward & Outward process follow up.
- Conduct regular inventory audit, cycle counts and ensure accuracy of stock record.
- Co-ordinate with scrap vendor and follow up daily activity.
- Making GRN (Goods Receipt Note) process handling, Material issues to production department based on picking list, Inventory management, Stock transfer to required location and Dispatch and Invoice creation process handling.
Senior Engineer
Vestas Wind technology India Pvt Ltd
Bhuj, Gujarat
02.2018 - 05.2023
- Lead and conduct periodic maintenance of 2.2 MW, 1.65 MW, 950KW & 750 KW platform of WTG, with company document specifications and work instructions.
- Handling Operation 154 MW site, 70 WTG.
- Regular error analysis & resolved on time.
- Replaced and troubleshoot problems in mechanical, hydraulic, and electrical systems, and restoring machines to peak performance.
- Conduct daily toolbox meeting to brief the planned work and risk assessment.
- Support installation & Perform Wind Turbine Commissioning activities as per project schedule and implement reliability tests as per contractual requirements.
- SAP Service order handling - Service order Creation & Up to Order completion.
- Time entry approval - process.
- Planning & Capacitive leveling in Site Level.
- Technically Order completion (Backend Approval process) Check time entry, material & Parts.
- Maintaining & Handing Daily, weekly, Monthly reports.
- Managing Entire site activity, Documentation follow up & Inventory consumption list.
- Operation and inspection of HV Switch gear & HV Transformer.
- Installed and supported SCADA systems in configuration and testing.
- Collaborated with customers to address complaints and prepare regular reports.
- Played a key role in various activities, critical errors, transformer endoscopic, VTM monitoring and gear box and main bearing replacements.
- On time CIM case implementation and follow up at site level.
- Prepared documentation such as DGR, Power Curve, and Action Taken reports.
- Attended various Breakdowns and fix in first time to reduce the turbine visits.
- Preparation and Authorizations of LOTO Documents and ensure safe work environment at Site.
- Frequent communicating and touch with global technical team for new software & HML files upload, support root cause and failure analysis by giving feedback & data from site.
- Achievement of LPF Targets as per Vestas requirements. Identify and prepare the required tools and parts for each assigned work.
- Regularly used Tools like VOB/VOT for analysing & solving errors efficiently.
Junior Engineer
Regen Infrastructure & Services Pvt Ltd
Satara, Maharashtra
07.2015 - 02.2018
- Complete Operation & maintenance Carried in Wind Energy Turbine in 1.5 MW O&M Department.
- SCADA activities like monitoring the entire turbine and controlling in PLC.
- Acquiring all data related to WTG and maintaining reports.
- DGR, MPR & Yearly Reports Prepared.
- Attend respective Errors and major breakdowns.
- Execution of preventive actions, design changes & suggest technical team.
- To complete Preventive maintenance such as 500 Hrs, Quarterly, Half yearly, Yearly maintenance in adherence with schedule.
- Calibration of components like anemometer, wind vane, Blade zero degree, cable twist sensor, and Acceleration & vibration sensor.
- Acquiring data and maintaining reports of machine's life time files.
- Continuous monitoring of wind turbine performance and to take necessary action to improve it, if required.
- Troubleshooting & repairing of IGBT's, Diode rectifiers and motors.
- Maintenance & Breakdown of Transformers & HT line.
- Taking store stocks at month end and inventories.
Education
Diploma Electrical & Electronics Engineering. -
Vellaichamy Nadar Polytechnic College
Virudhunagar, Tamilnadu05-2015
Skills
- Quick identification of root causes of faults & warnings
- Good computer skills windows OS and MS Office (Excel, pivot tables, PowerPoint, Outlook, Teams)
- Strong understanding of turbine operation and reading of any turbine diagrams
- Complete tasks timely with regular follow-up and reporting
- Excellent Team-oriented, accountable, consistent, accurate, professional
- Strong communication, reporting & documentation abilities
- Solutions-oriented, independent, well-organized & analytical mindset
- Proficient in safety protocols including working at height, LOTO, risk assessment, emergency response, safety equipment, & maintaining a safe work environment
- Error analysis using VOT, VOB
- Service operations
- Technical documentation
- Leadership skills
Languages
Tamil
English
Hindi
Certification
- GWO- Work at height, first aid, firefighting, Manual handling & Rescue.
- Basic technical training. • B Level – Advance Troubleshooting V110 2.2MW & V82 1.65 MW.
- C Level – Turbine operation & service - V110 2.2MW , V82 1.65 MW , NM 48 750KW , NM 54 950 KW.
- Basic Blade Inspections & Repair Training.
- D Level - Basic Service.
- Loto 2 Qualified.
- Hight Voltage Training.
- Software upload.
- Electrical Safety trainings.
- Power climber Lift training.
- Defensive driving.
Declaration
- I declare that the above information is true and correct to the best of my knowledge.
Timeline
Special Task Co-ordinator
Vestas Wind technology India Pvt Ltd
04.2025 - Current
Lead Associate
Tata power solar Ltd
06.2023 - 03.2025
Senior Engineer
Vestas Wind technology India Pvt Ltd
02.2018 - 05.2023
Junior Engineer
Regen Infrastructure & Services Pvt Ltd
07.2015 - 02.2018
Diploma Electrical & Electronics Engineering. -
Vellaichamy Nadar Polytechnic College