Responsibilities:Know the working principle, maintenance requirements and fault diagnosis of diesel generator sets, oil system, ATS equipment, understand the schematic diagram of the main electrical circuit and secondary control circuit, and understand the control logic and working principle of the fuel supply system.Know the system architecture of electrical products in data centers, be familiar with the working principle, maintenance requirements and fault diagnosis of UPS systems, DC Plants, Batteries, etc., and understand the schematic diagram of the main electrical circuit and secondary control circuit.Know the working principle, maintenance requirements and fault diagnosis of HVAC equipment, and be able to install, inspect and repair metal ducts, refrigerants and air-conditioning compressors, etc.Perform daily inspection, preventive maintenance, troubleshooting and repair of diesel generator sets, oil system, ATS, master the technical support capabilities for medium and major repairs of generator sets, and monitor fuel and equipment status. Be able to perform daily inspection, preventive maintenance, troubleshooting and repair of HVAC systems, and master the technical support capabilities of HVAC and refrigeration systems.Formulate equipment maintenance SOPs and have independent operation capabilities, be able to formulate detailed operation and maintenance (O&M) plans, and track their implementation. Be familiar with the spare parts and consumables list for equipment operation and maintenance, and be able to put forward procurement requirements in a timely manner.Must be proficient in the use of tools and materials related to mechanical and electrical operations.Must have and be able to problem-solve and be able to efficiently diagnose and repair failures.Ability to work in a high-pressure environment and adapt to the needs of overtime and emergency on-site support.Record all relevant activities as required, maintain relevant documents, monitor spare parts inventory, and report any equipment failures and defects to the supervisor in a timely manner.Good communication and teamwork in all tasksBe able to communicate effectively with customers and always ensure good customer service.Experience:Six (6) years relevant work minimumVast Experience in operations and maintenance of data centers is preferred.Wireman's license/red seal is mandatoryRequirements:Bachelor degree or above in Mechanical Engineering, Electrical Engineering or related field, or relevant diploma from a technical college/university of technology (e.g. Higher National Diploma/National Diploma/Diploma in Mechanical Engineering).Professional Engineering Technician qualification certified by the South African Institution of Engineers (ECSA), or other relevant industry certification. Or certification by the South African Air Conditioning and Refrigeration Association (SARACCA), the South African Engineering and Technology Association (SEIFSA) or the South African Quality Control Council (SAQCC)Qualifications and experience in HVAC industry standards in telecommunications data centers or other similar critical facilities.Possess relevant safety operation and electrical/mechanical specifications certificates. Or possess relevant safety operation and HVAC specifications certificates.