Senior Network Administrator

Kforce has a client that is seeking a Senior Network Administrator in Westlake, TX. Summary: We are seeking an experienced Senior Network Administrator to design, optimize, secure, and support enterprise network infrastructure across on-premises and cloud environments. This role combines hands-on network engineering with strategic infrastructure planning, automation, documentation, and mentorship. The ideal candidate will bring deep expertise across Fortinet, Cisco Meraki, Juniper, Azure, routing, security, and unified communications. Key Responsibilities:

• Architect, deploy, and maintain enterprise LAN/WAN environments using Fortinet FortiGate/FortiManager, Cisco Meraki MX/MS/MR, and Juniper SRX/EX
• Lead network implementations, upgrades, and migrations while minimizing downtime
• Troubleshoot complex network issues through root cause analysis, performance tuning, and packet-level analysis
• Design and manage SD-WAN, HA firewall clusters, VLAN segmentation, and secure network zoning
• Configure and troubleshoot BGP and OSPF routing
• Implement and maintain IPSec/SSL VPNs, site-to-site tunnels, and remote access solutions
• Manage Azure networking, including VPN gateways, VNets, and NSGs
• Develop and enforce firewall policies, IDS/IPS, and threat-protection controls
• Support VoIP environments, including SIP trunks, QoS, latency, jitter, packet loss, and MOS
• Maintain network diagrams, SOPs, configuration backups, and infrastructure documentation
• Monitor network uptime, security posture, performance, and capacity
• Contribute to business continuity, disaster recovery, ZTNA, hybrid-cloud, and future-state infrastructure initiatives
• Mentor junior IT staff and drive infrastructure automation and operational improvements
• 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
• To be considered for this position, candidates must have experience in a similar role, or they must possess significant knowledge, experience, and abilities to successfully perform the responsibilities listed
• Relevant education and/or training will be considered a plus