• Prepared and wrote test plan and procedures, collected test data and finalized performance test reports.• Proceeded train dynamic and validation test to evaluate train performance and verify train control system• Passed the acceptance test and collected certificates from customer to hand over products to client.• Programmed test files, prepared test devices and run bit test machine to search snags and fix wiring errors.• Built up train Ethernet, and tested network wiring by using FLUKE Cable Analyzer and Multi-meter.• Analyzed and troubleshoot Bell radio system and wayside wireless network by using Anritsu analyzer according to train test plan.• Initialized and tested passenger announcement, passenger emergency intercom and video surveillance system to prepare PAPIS system.

•Continuously supervised commissioning engineers and site service technicians•Organized and planned commissioning, trail running, and service activities between different projects •Coordinated with project managers and sales managers •Provided timely feedback on design control methodology

•Approached project commissioning, completing trial running of milestones•Recorded and analyzed controller and sensor failure issues•Maintained motors, valves, vibration switchers, wind sensors and fans•Inspected mechanical and electrical drawings and gave feedback •Evaluated system performance and prepared test reports •Solved service requests from customers •Provided technical training service for clients or end-users

- Supervised work for mechanical and electrical equipment installation: axial fans, motors, gearbox, steel structures, piping and ducting, electrical facilities, - Inspected and tested the oil of gearbox, setting point of vibration switchers , running status of motor and fans to guarantee system performance - Organized and recorded data for pneumatic air leak test and helium leak test to evaluate system installation quality - Changed high pressure pipe and nozzles for high pressure cleaning system - Re-pitched fans and checked angle and clearance to keep fan system running smoothly- Assisted site manager to meet the targets of site activities as planned by project management, - Prepared weekly reports, check point reports, and milestone certificates to improve the project planning and cost control

• Started up and maintained Wind Turbine Generator •Repaired vibration switch and wind sensor•Replaced high pressure pipe with oil hydraulic system •Recorded and analyzed PLC failure data and did trouble shooting •Re-pitched fans, checked the angle of blades and the torque of bolts •Prepared weekly reports and collected PAC and FAC certificates