Sr Network Administrator Jacksonville, FL

Senior Network Administrator

We are seeking a Senior Network Administrator to lead the design, implementation, support, and optimization of enterprise network infrastructure. This role will be responsible for maintaining a secure, highly available, and scalable network environment across multiple locations while serving as a technical escalation point for complex networking issues.

The ideal candidate will have extensive experience supporting enterprise LAN/WAN environments, firewalls, routing, switching, wireless networks, and network security technologies.

Responsibilities

• Design, implement, and maintain enterprise network infrastructure
• Configure and support routers, switches, firewalls, load balancers, and wireless solutions
• Monitor network performance, availability, and capacity planning initiatives
• Troubleshoot complex connectivity, performance, and security issues
• Manage VPN, SD-WAN, and remote access technologies
• Perform network upgrades, migrations, and infrastructure improvements
• Develop and maintain network documentation, diagrams, and procedures
• Collaborate with Security, Infrastructure, and Cloud teams to ensure network reliability and compliance
• Participate in disaster recovery planning and business continuity efforts
• Serve as a senior escalation resource and mentor junior administrators