Senior Network Administrator

Architect, deploy, and maintain enterprise LAN/WAN environments utilizing Fortinet (FortiGate/FortiManager), Cisco Meraki (MX/MS/MR), and Juniper (SRX/EX) platforms Lead network implementations, upgrades, and migrations, ensuring minimal downtime and adherence to change management processes Identify, remediate, and proactively eliminate network problem areas through root cause analysis and performance tuning Design and manage SD-WAN , high-availability (HA) firewall clusters, VLAN segmentation, and secure network zoning Configure and troubleshoot advanced routing protocols including BGP and OSPF Implement and maintain IPSec and SSL VPNs , site-to-site tunnels, and remote access solutions Administer and secure Azure network connectivity , including VPN gateways, virtual networks, and network security groups (NSGs) Develop, audit, and enforce next-generation firewall policies, IDS/IPS, and threat protection controls Monitor and support VoIP systems , including SIP trunks, QoS configuration, and performance metrics (latency, jitter, packet loss, MOS), ensuring high call quality and reliability Perform packet-level analysis and advanced troubleshooting to resolve complex network and voice issues Maintain detailed network documentation, topology diagrams, standard operating procedures, and configuration backups Produce KPI and performance reports covering uptime, security posture, capacity, and voice quality metrics The ideal candidate will demonstrate advanced hands-on expertise, strong documentation discipline, and the ability to lead infrastructure initiatives while maintaining a secure, highly available, and performance-optimized network environment. #J-18808-Ljbffr