Senior Enterprise Network Administrator

Compunnel Inc.; Jacksonville (FL); On-site; USD 70,000 - 95,000; Full time

Job summary

Compunnel Inc. in Jacksonville, FL seeks an experienced Network Administrator to ensure reliability, security, and performance of our enterprise network infrastructure. You'll administer, configure, and troubleshoot Cisco, Palo Alto, Cradlepoint, and Fortinet technologies across data center and remote sites.

You will implement secure remote access (VPN/IPSec/SD-WAN), monitor networks with industry tools, and collaborate with IT teams and vendors to drive network improvements and reliability.

Qualifications

• Experience administering enterprise network infrastructure.
• Hands-on with Cisco IOS/NX-OS and Palo Alto PAN-OS.
• Experience with Cradlepoint and Fortinet technologies.
• Strong knowledge of TCP/IP, EIGRP, OSPF, STP, VLANs.
• Experience with routers, switches, wireless infrastructure.
• Knowledge of VPN, IPSec, and SD-WAN technologies.
• Experience with network monitoring tools (NetFlow, SNMP, Wireshark).
• Experience with data center and remote site networking.

Responsibilities

• Administer and maintain enterprise network systems and apps.
• Install and support routers, switches, firewalls, and wireless APs.
• Support Cisco and Palo Alto hardware/software across environments.
• Implement and troubleshoot network architectures (L2/L3).
• Monitor performance with network diagnostic tools.
• Support remote site connectivity and failover.
• Provision and troubleshoot fiber and carrier Ethernet.
• Maintain secure remote access (VPN/IPSec/SD-WAN).
• Follow ITIL change management & ServiceNow processes.
• Collaborate with users and vendors to resolve issues.
• Research emerging networking technologies and best practices.

Skills

Network troubleshooting

TCP/IP

Verbal communication

Analytical thinking

Collaboration

Tools

Cisco IOS/NX-OS

Palo Alto PAN-OS

Cradlepoint

Fortinet

NetFlow

SNMP

Wireshark

SolarWinds

ExtraHop

SD-WAN

VPN

IPSec

Linux

Windows

ServiceNow

Job description

Job Summary

We are seeking an experienced Network Administrator responsible for ensuring the reliability, security, and performance of enterprise network infrastructure. The ideal candidate will have strong hands-on experience administering, configuring, maintaining, and troubleshooting networking technologies including Cisco, Palo Alto, Cradlepoint, and Fortinet across data center and remote site environments.

Key Responsibilities

• Administer, configure, and maintain enterprise network operating systems and applications, including Cisco IOS/NX-OS, PAN-OS, Cradlepoint, and Fortinet.
• Install, configure, and support routers, switches, firewalls, and wireless access points.
• Support and maintain Cisco and Palo Alto hardware and software across centralized and distributed environments.
• Implement and troubleshoot network architectures using TCP/IP, EIGRP, OSPF, STP, VLANs, and Layer 2/3 switching and routing.
• Monitor network performance using NetFlow, SNMP, Wireshark, SolarWinds, ExtraHop, and related diagnostic tools.
• Support Cradlepoint and cellular networking technologies for remote site connectivity and failover.
• Support data center and remote site networks, including high-availability and distributed environments.
• Provision and troubleshoot fiber and carrier Ethernet technologies and coordinate with vendors as required.
• Implement and maintain secure remote access solutions, including VPN, IPSec, and SD-WAN.
• Maintain network configuration databases and utilize network management tools for configuration tracking and performance analysis.
• Test and validate network hardware and software upgrades, enhancements, and new installations.
• Develop or modify scripts and tools to support network visibility, performance tracking, and reporting.
• Utilize CLI, Linux, and Windows utilities for network troubleshooting and diagnostics.
• Follow structured change management processes using ServiceNow and ITIL practices.
• Troubleshoot complex network issues and implement appropriate corrective actions.
• Collaborate with users, stakeholders, vendors, and technical teams to resolve network-related issues.
• Research emerging networking technologies, industry trends, and best practices.

Required Qualifications

• Strong experience administering, configuring, and maintaining enterprise network infrastructure.
• Hands‑on experience with Cisco IOS/NX-OS and Palo Alto PAN-OS.
• Experience with Cradlepoint and Fortinet technologies.
• Strong knowledge of TCP/IP, EIGRP, OSPF, STP, VLANs, and Layer 2/3 switching and routing.
• Experience with routers, switches, firewalls, and wireless infrastructure.
• Knowledge of VPN, IPSec, and SD-WAN technologies.
• Experience with network monitoring and diagnostic tools such as NetFlow, SNMP, Wireshark, SolarWinds, or ExtraHop.
• Knowledge of data center, remote site, and high-availability networking.
• Experience with fiber and carrier Ethernet technologies.
• Knowledge of Linux, Windows, and CLI-based network troubleshooting.
• Experience with ServiceNow, ITIL, or structured change management processes.
• Strong troubleshooting, analytical, and problem‑solving skills.
• Ability to prioritize tasks and work effectively with evolving requirements.
• Strong verbal and written communication skills.
• Ability to collaborate effectively with technical and non-technical stakeholders.