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Sr Network Administrator

Robert Half Technology

Jacksonville, FL, United States Full-time July 04, 2026
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Vacancy Description

Description
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
...

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