El Hadji Malick GUEYE

Experience

• 

  PC Concept

  Apr 2007 - May 2007

  Internship Computer Maintenance

  Installing and configuring operating system on computers.Hardware & software troubleshooting.Tool: Norton ghost

• 

  Senelec

  Aug 2014 - Sept 2014

  Intern at Telecoms Maintenance Department

  ● Responsible for Weekly maintenance of SENELEC RCVD and the radio network.● Network integration for an electrical producer group named AGGREKO in the RCVD by both optical fiber and trunked radio network (MPT1327).● WiMAX Antennas Configuration (Radwin, Alvarion) for many company sites in the town.

• 

  Orange

  Mar 2015 - Nov 2016

  IT Support for Business Customer

  ● Ensure the support of the customer signaling (Key Accounts) and pilot the restoration of service.● Ensure that the customer service is performed under the terms of the contract.● Participate in the deployment and the effective implementation of QSE and COPC requirements.● Perimeter of Action: Telephony, ADSL, TVO, Mailing Service, CloudPro, Dedicated Line (NT&IP and VPN), Roaming Service, Call conference, Hosting, VSAT, BlackBerry Service, CDMA Service, etc.…

• 

  Huawei

  Nov 2016 - Feb 2024

  ● Monitoring of all alarms on all core network equipment of PS and CS domains (2G/3G/4G), for telecom operators of 8 african countries (Senegal, Mali, G.Conakry, G.Bissau, Centrafrique, Ivory Coast, Cameroon, Congo).● 1st line troubleshooting of generated alarms and customer complaints.● Detect and share technical issues to the team, process and solutions.● Ensure the operative performance at specified level according to the contractual SLA and KPI.● Prepare reports, manuals and other documentation on the status, operation and maintenance of core network equipment. Show less ● Supervision 24/7 of complete mobile network (2G/3G/CDMA) and all related services and applications in accordance with the SLA.● Takes the first corrective actions to isolate and neutralize the incidents and if necessary escalate to next technical level support.● Dispatch and control 1st line Field Service technicians.● Incident management during the trouble ticket life cycle & trouble ticket handling End to End including follow up till resolution and report on relevant KPI’s in relationship to SLA. Show less

  • GNOC PROJECT - FO CORE NETWORK ENGINEER

    Dec 2018 - Feb 2024

  • MS EXPRESSO PROJECT - FO RAN ENGINEER

    Nov 2016 - Dec 2018
• 

  Thales

  Feb 2024 - Jun 2024

  System Engineer

  ● Participation in deployment activities (installation, testing and commissioning) of passenger information systems (remote display and sound system).● Check the availability of site interface requirements (civil engineering, etc.) for the installation of passenger information system equipment.● Provide assistance and support service to customers. ● Participation in penetration testing exercises to evaluate the effectiveness of current security measures and recommend improvements.● Diagnose network problems involving a combination of hardware, software, power and communications issues. Show less

• 

  Hitachi Rail

  Jun 2024 - now

  Systems Engineer & Railway signalling

  ● Participation in deployment activities (installation, testing and commissioning) of railway ticketing and passenger information systems and railway signalling. ● Responsible for assimilating (commenting) technical documents (specifications, technical diagrams, installation and test sheets). ● Organize interventions with stakeholders inside and outside the company, and report through intervention reports. ● Check the availability of site interface requirements (civil engineering, etc.) for the installation of ticketing and passenger information system equipment. ● Perform equipment commissioning tests. ● Ensure preventive and corrective maintenance of equipment before its provisional receipt. ● Writing intervention sheets/reports to ensure regular consolidation of deployment activity. ● Implementation of IT infrastructure upgrades, ensuring downtime is kept to a minimum during the transition process. ● Improving system performance by identifying and resolving technical issues in a timely manner. ● Updating software and evaluating security patches to optimize the customer's use of the computer. ● Participation in penetration testing exercises to evaluate the effectiveness of current security measures and recommend improvements. ● Diagnose network problems involving a combination of hardware, software, power and communications issues. ● Areas of intervention: o IT & telecommunications: IP/MPLS, LAN, Wi-Fi, VLAN, Firewall (Fortinet), embedded systems, SCADA systems, etc…. o Railway signaling and communication systems ETCS 2: Interlocking systems, traffic supervision systems, train detection systems, track circuits, axle counters. Installation of connection systems and synchronization of speakers and LED displays. o Rail ticketing system: Thales Transcity product, MSQL Server, SAP Business Object, VMware, Docker, Veeam.... o Cybersecurity o SharePoint Show less