IT Security Administrator

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Network Administrator

Location: On-site in Tampa, FL

Start: ASAP

Overview:

We are seeking a skilled Network Administrator to join the Infrastructure Network team. This role will ensure secure, reliable, and high-availability network communications across data centers and remote sites, supporting 24/7/365 operations. The ideal candidate will have strong Cisco networking expertise, hands-on troubleshooting experience, and the ability to design, secure, and optimize enterprise-scale networks.

Key Responsibilities:

• Ensure daily operation and high availability of Wide Area Networks (WANs) spanning multiple data centers and remote sites
• Configure, maintain, and troubleshoot Cisco LAN, WAN, and wireless technologies (Cisco WLC, Catalyst IOS, Nexus Series, etc.)
• Design network systems (LAN, WAN, Intranet, Internet) that meet business and security requirements
• Support network hardware through updates, testing, and lifecycle refreshes
• Collaborate with cross-functional teams to troubleshoot server, client, and application connectivity or performance issues
• Implement, monitor, and optimize traffic flow using network management tools
• Secure network systems by enforcing policies and monitoring access
• Maintain and update configuration documentation and monitoring systems
• Analyze requirements to develop technology roadmaps and frameworks
• Perform modeling, planning, and budgeting for network infrastructure
• Plan and execute network installations, migrations, and test plans
• Identify and upgrade existing network components to achieve optimization
• Audit infrastructure for compliance with internal standards and policies
• Provide mentorship to junior team members
• Participate in an on-call rotation and respond to emergencies as required
  
  

Required Skills & Experience:

• 5 7 years of experience in enterprise-scale network administration (Cisco Routing, Switching, VPN, ISE, WLAN, Firewall)
• Hands-on expertise in troubleshooting and maintaining WAN/LAN and wireless environments
• Strong knowledge of OSI layers, Wi-Fi, IPSec, EIGRP, DNS/DHCP, and firewall security
• Proficiency with SNMP, monitoring, and network management tools (WireShark, NetScout, NPM, etc.)
• Strong documentation, planning, and project execution skills
• Excellent communication skills and ability to lead root cause analysis
  
  

Preferred Qualifications:

• Cisco Certified Network Professional (CCNP) or equivalent certification
• 10 years of network administration/architecture in enterprise environments
• Experience with disaster recovery planning and implementation
• Knowledge of DDOS attacks, mitigation techniques, and best practices
• Familiarity with Linux and/or Windows operating systems
• Experience with virtualization platforms (e.g., VMware vSphere)
  
  

Work Conditions & Requirements:

• On-site role with standard business hours and potential for non-standard schedules (nights, weekends, holidays)
• Must be able to respond promptly during emergencies or critical events
• Physical requirements: ability to sit/stand at workstations for extended periods and lift up to 10 lbs
• Must successfully pass background investigation, drug screening, and security vetting
• Must reside within Florida or be willing to relocate
• Valid Driver's License may be required depending on assignment