Working as Senior Executive Engineer at ORASCOM trading company “Mobinil (The Egyptian Company for Mobile Services) Maintenance Project”Core Environment of Mobinil MSCsDuties include Installation and Maintenance and Supervision of: Rectifiers & Inverters (Saft MTP 3000, MTP5700)  UPSs and Micro UPSs(Liebert and merlin gerin Galaxy) Diesel Generators (Volvo and Kohler).  Synchronization panels. Fire Fighting and Fire Alarm Systems (ANSUL fire fighting system. Doing preventive maintenance every 6 months testing the system from A to Z). Air Condition Systems (small A/Cs and large Stulz units). Power Transformers. ATS/MTS Lighting Systems and Emergency Lighting Systems.Duties include also: Corrective Maintenance activities for failure in Equipments or Systems in a short time. Leading preventive maintenance team as scheduled by supervisor. Managing area daily alarms and leading maintenance team for critical ones. Managing duty technicians in main area switches. Attending surveys and arrange work plan with the supervisor for production or maintenance jobs. Creating a job presentation after each one to describe the work done. Arranging weekly work plan with other areas engineers to prevent interruption. Preparing area invoice.