After-sales Service Engineer

**Job Responsibilities:**

**Air-conditioning Unit Installation Guidance and Commissioning**

• Inspect whether the customer's piping system and electrical wiring installation comply with company requirements.

• Verify whether the customer's water system configuration and installation meet equipment requirements and confirm that the power distribution system complies with equipment power and protection requirements.

• Perform equipment startup and commissioning, monitor operating parameters, and ensure stable unit operation in accordance with customer requirements.

• Train customers in the correct operation of air-conditioning units and daily maintenance precautions.

**Air-conditioning Unit Repair**

• Investigate customer-reported issues and identify the root causes of equipment failures.

• Diagnose equipment faults, determine the fault trigger point, and complete repair work.

• When replacement spare parts or maintenance materials are required, submit requests promptly through the Lingdang System.

• Report damaged materials promptly, track maintenance materials and spare parts, and return defective parts or unused materials to the company after repair completion.

• Consult technical specialists when encountering complex or high-difficulty technical issues.

**Preventive Maintenance and Routine Inspection**

• Regularly clean air-cooled condensers, water-cooled condensers, air filters, and other equipment to ensure optimal heat exchange performance.

• Inspect compressors, fans, control boards, switches, contactors, and other components, and replace damaged parts when necessary.

• Regularly replace compressor refrigeration oil and filter driers, replenish refrigerant, and ensure stable system operation.

• Perform scheduled preventive inspections, ensure stable equipment operation, and record inspection results.

**Customer Operational Training**

• Train customers on the company's 400 Service Hotline repair request process, including the information required when submitting a service request (customer name, equipment serial number, location, contact person, etc.).

• Train customers to independently operate and start up the equipment.

• Enhance customer confidence and increase customers' willingness to purchase maintenance service contracts.

**Customer Technical Theory Training**

• Develop training plans and organize technical training sessions.

• Prepare training manuals and complete all pre-training preparations.

• Organize and summarize training materials after each training session.

• Conduct assessments and evaluations upon completion of training.

**Provide Product Feedback to the Factory**

• Analyze customer dissatisfaction and provide timely feedback and recommendations to the factory.

• Report on equipment performance issues caused by product-related defects to the factory.

• Identify equipment design or structural issues that make maintenance difficult and submit improvement suggestions to the factory.

**Other Responsibilities:**

• Respond to service assignments received through the 400 Service Hotline and accurately complete commissioning forms, damage reports, and maintenance reports in a timely manner.

• Upload commissioning reports and maintenance reports to the system promptly and mail the original hard-copy documents back to the company when required.

• Complete other tasks assigned by the direct supervisor in a timely manner.

• Cooperate with other departments or external organizations in completing related work assignments as required.

**Requirements:**

• Solid understanding of refrigeration principles and electrical control systems.

• Familiarity with company procedures, operating processes, and product knowledge.

• Basic computer skills and proficiency in office software.

• Strong learning ability and technical aptitude.

**Work experience required: 1 - 5 yrs**

**Salary: 2500 €/mth**

**Initial date of employment: November 2nd, 2026. End date: 1st November 2027**

**Send applications to: [email protected]**