Mohamed A Hajjej

Experience

• 

  Novelle carrier de gabes

  Jan 2009 - Oct 2013

  Telecommuncation Network Specialist

  ELV site engineer and coordinators

• 

  Mannai Corporation QPSC

  Nov 2013 - Jun 2016

  Telecom Senior Technician (Ooredoo Qatar Project)

  • In charge of technical design and review for all Telecom Projects • Supervise the installation, configuration, and maintenance of telecom systems, including; PAGA, voice, data, IPTV, WAN, Access Control, CCTV and video communication system• Attend kick off meeting, project review meeting with vendor and clients as required• Monitor WAN, IPTV System and Public address PAGA system (alarms and Events). • Handling and Managed Access Control System (installation, configuration, and commission) and SIPASS applications (database, check list, data loading, backups, Hotfixes, upgrade). • Handel Network Projects: Switches and Routers Installation and configuration. • Handel VOIP System: Install, configure centralize equipment and IP Phones for VOIP system• Manage and handle CCTV system, PAGA system, Smart TV, IPTV System and Home Automation for projects. • Emergency Call System: Install and configure Emergency call system and panel (emergency Nurse Courier 3 (T3-NC3, NC3-STU-MB, T3-PSU…) • Assistance in the section and purchase the suitable product hard and software and provide the technical approval.• Handle responsibilities of installing and configuring Cisco VoIP Phones • Installation and configuration of ADSL, DEL, Mosaic (Qtel Triple Play) and FTTH • Installation and configuration of ADSL modem, ONU/ONT and WIFI network in customer premises • Prepare the necessary work package scope, drawing, PTW, JSA, LT&T… • Perform tasks of troubleshooting reported installation issues. • Switching and Routing cisco, Internet, IP Telephone, IPTV, VLAN and Switches Configuration… FFTH. FTTB . INTERNET. IPTV . TELEPHONE . Routing switching... Show less

• 

  Jaidah Group

  Jul 2016 - Jan 2020

  • In charge of technical design and review for all Telecom Projects • Supervise the installation, configuration, and maintenance of telecom systems, including; PAGA, voice, data, IPTV, WAN, Access Control, CCTV and video communication system• Attend kick off meeting, project review meeting with vendor and clients as required• Monitor WAN, IPTV System and Public address PAGA system (alarms and Events). • Handling and Managed Access Control System (installation, configuration, and commission) and SIPASS applications (database, check list, data loading, backups, Hotfixes, upgrade). • Handel Network Projects: Switches and Routers Installation and configuration. • Handel VOIP System: Install, configure centralize equipment and IP Phones for VOIP system• Manage and handle CCTV system, PAGA system, Smart TV, IPTV System and Home Automation for projects. • Emergency Call System: Install and configure Emergency call system and panel (emergency Nurse Courier 3 (T3-NC3, NC3-STU-MB, T3-PSU…) • Assistance in the section and purchase the suitable product hard and software and provide the technical approval.CCTV , Access control, Data telephone, Public address, SMATV , IPTV, Home automation, Emergency call system. # successful implemented ,instaled ,activated and managed access control system :SiPass Integrated System)# implementation CCTV system,ACS,VOIP for different site as Lusail stadium Show less

  • Telecommunication Project Engineer

    Jan 2019 - Jan 2020

  • Telecom Specialist

    Jul 2016 - Dec 2018
• 

  Qatar Computer Services Wll

  Jan 2020 - now

  • Carry on day-to-day activities related to DCS and ICS including the daily systems check lists and system backups.* Maintain DCS & SIS systems AV, MS patches and System Patches.• Check server event logs daily and report findings to provide accurate data about plant operations.• Handling Centum VP, Pro-safe, Stardom, Firewall, Nozomi Network• Identify and evaluate security gaps for industrial control systems (ICS),• Support Maintenance team by help them with the inspection and/or replacement of any faulty devices, PST...• Provide assistance and the required support to production team, configured logic how is working /Perform the execution of logic bypass: Plant Resource Manager.• Perform regular system back-ups to ensure disaster recovery• Perform preventive maintenance and corrective maintenance for OT system.• Perform the activities related to OT systems (DCS: Yokogawa, ICS: Schneider, Pipeline: Emerson Delta V, F&G) in field process and classified areas and prepare necessary documents, Identify the Hazards related to Job, Job Steps and Mitigations, etc.• Prepare the necessary work package scope as needed: Permit to Work, Job Safety Analysis, drawing … • preparation of timely and accurate reports to meet departmental & Company requirements, policies and standards Show less • Conduct Telecommunication and Networking Engineering activities. • reviewing project plans and specifications, monitoring construction progress, preparing reports, and coordinating with project teams and contractors• Carry on day-to-day activities related to Telecom and network including the daily systems check lists and system backups. • Handling Access control and Sipass applications activities: database, check list, data loading, backups, Hotfixes, upgrade, etc... • Perform preventive maintenance and corrective maintenance for both the main centralized equipment and the field equipment. • Installation of telecom and Network devices and networking in safe and classified areas. • Troubleshooting and diagnostics, repair / replace faulty or damaged equipment (access Control, CCTV, Radios, Telephonies …) in in safe and classified areas. • Prepare the necessary work package scope as needed: Permit to Work, Job Safety Analysis, drawing … preparation of timely and accurate reports to meet departmental & Company requirements, policies and standards • Participate in JSAs, open flame hot work, Tools box meeting, Lock Tag & Try, critical lifts, stores all closed-out confined space entry permits, etc.# • Perform the activities related to Telecommunications and Network systems (Switches, Routers, Wireless, CCTV, Access Control, Radios, GSM) in field process and classified areas and prepare necessary documents, Identify the Hazards related to Job, Job Steps and Mitigations, etc. • Managed VOIP system Cisco /Avaya, PABX, IP phone/Networking: Provide technical support, troubleshooting, new installation... Show less

  • ICS Cyber Security Supervisor at Q-CHEM RLOC (Contractor)

    Jan 2024 - now

  • Industrial Telecommunication and Network technician at Qatar Chemical Company RLOC

    Jan 2020 - Jan 2024