Leading / Senior Network Administrator

İşin təsviri

• Design, implement, and maintain enterprise network infrastructure (LAN/WAN/VXLAN/DMVPN).
• Configure and manage Cisco routers and switches, ensuring high availability, redundancy, and scalability.
• Administer Palo Alto firewalls including security policy management, NAT rules, VPN.
• Manage and optimize 3CX-based IP telephony systems and SIP trunk integrations.
• Ensure secure and stable communication between production and disaster recovery sites.
• Monitor network performance, proactive troubleshooting, and resolve complex incidents.(PRTG,Zabbix, Graylog).
• Apply best practices in network security, segmentation, access control, and VPN configuration.
• Maintain up-to-date network documentation including diagrams, configurations, and change logs.
• Collaborate with DevOps, System Administrators, and other IT teams on cross-functional projects.

Tələblər

• Experience (3+ years) as a network administrator in an enterprise environment.
• Working knowledge of Cisco technologies including IOS, OSPF, BGP, EIGRP, VLAN/VXLAN, and DMVPN.
• Solid understanding of firewall administration, preferably with Palo Alto (PanOS).
• Work experience with IP telephony systems, especially 3CX or similar platforms.
• Good understanding of disaster recovery networking and dual-site infrastructure setups.
• Proficiency with network monitoring and troubleshooting tools (e.g., Wireshark, SNMP, Syslog, NetFlow).
• Certifications such as CCNP, PCNSE, or equivalent (Preferred but not mandatory).
• Familiarity with SD-WAN, Zero Trust Network Architecture, or NAC systems.
• Scripting knowledge (Python, PowerShell) for automation of network tasks.