Khaled
Senior Network and Systems Administrator Firewall VPN Windows Linux
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Experiência profissional
Senior Network & Systems Administrator
Fiverr • Freelance
Dec 2018 - Present • 7 yrs 5 mos
Senior Network and Systems Administrator working remotely with HDCE (Canada), supporting enterprise and SMB client environments. Responsibilities include: • Design, configuration, and troubleshooting of LAN and data center networks • Switch and router configuration (Cisco, HP, Dell, Meraki, MikroTik) • Firewall deployment and security hardening (FortiGate, Juniper, pfSense, OPNsense) • VPN design and implementation (site-to-site and remote access) • Windows Server administration (Active Directory, DNS, DHCP, GPO, RDS) • Linux server administration (Ubuntu, CentOS) • Hyper-V virtualization (setup, HA, replication) • Monitoring and backup solutions (PRTG, Zabbix, Altaro, Veeam) • SAN, storage, DNS, and domain management • PowerShell automation for infrastructure tasks Worked on 2,000+ servers, networks, and workstations, delivering secure, stable, and scalable solutions.
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manishbondale
Cliente recorrente

Estados Unidos
Excellent
Resposta do freelancer
kanavgandhi

Índia
Work done was swift and clear! All instructions provided were clearly understood and he’s very knowledgeable. 10/10 would definitely recommend!
manishbondale
Cliente recorrente

Estados Unidos
Worked well with all the issues and resolved all concerns. Worked late at night to get the job done

alenphp
Cliente recorrente

Alemanha
Exceptionally skilled seller. Real pleasure to work with.
mohammedsalam11
Cliente recorrente

Malásia
On IT projects, the best doctor in Fiver. professional when it comes to project management. I highly recommend him to all of you since he is a fantastic IT professional.
