• Deployment and configuration of virtualization systems such as VMware ESXi version 8.0.1 and Hyper-V.• Installing and configuring virtual machines based on the Windows Server 2022 operating system in a Hyper-V virtual environment.• Installation and configuration of FortiNet products such as, FortiAuthenticator, FortiManager, FortiClient-EMS server, FortiSandbox, FortiAnalyzer, FortiMail, FortiEDR in a virtual environment of VMware ESXi.• Administration of FortiNet products such as, FortiAuthenticator, FortiManager, FortiClient-EMS , FortiSandbox, FortiAnalyzer, FortiMail, FortiEDR.• Configure firewalls such as FortiGate 100F, FortiGate 71F and FortiGate 40F.• Unification of all branches among themselves by means of ADVPN using the BGP protocol.• Providing remote access to the company's services to users via SSL VPN using ZTNA.• Configuring group policies on firewalls.• Investigation of incidents in FortiEDR.• Administration of ten virtual machines based on the Windows Server 2022 operating system.• Microsoft Office 365 administration with E3 subscription• Performed data backup and disaster recovery operations.• Setup local area networks and connections to the Internet.

• Provided Tier 3/4 support as appropriate to IS Help Desk on technical systems related issues.• Ensured the safety and integrity of the data network and all LAN/WAN connected devices• Administered and maintained enterprise firewalls, routers, and switches• Troubleshooting network architecture and making recommendations for system fixes and enhancements• Made recommendations for wireless network optimization, additions and upgrades to meet business requirements• Worked with vendors, clients, carriers and technical staff on network implementation, optimization, troubleshooting and ongoing network management

• Maintained, troubleshot and administered the use of local area networks (LANs), wide area networks (WANs), mainframe networks and computer workstations and peripheral equipment• Evaluated and installed computer hardware, networking software and operating system software• Operated master consoles to monitor the performance of computer systems and networks and to co-ordinated access and use of computer networks• Loaded computer tapes and disks and installed software and printer paper and forms• Provided problem-solving services to network users• Performed routine network start up and close down and maintained control records• Performed data backups and disaster recovery operations• Set up local area networks and connections to the Internet