Network Engineer I: Secure, Event-Ready Networking

Liberty Alliance, LLC; Tampa, Northern (FL, KY); Hybrid; USD 90,000 - 130,000; Full time

Job summary

Liberty Alliance is seeking a Network Engineer to configure, secure, and maintain UniFi and Cisco network infrastructure for corporate and event environments. You will manage VLANs, VPNs, firewall policies, and network segmentation while monitoring performance and security events.

The role supports NIST SP 800-171 and CMMC compliance, including documentation and evidence collection. The ideal candidate has 5+ years in network operations, strong troubleshooting, and the ability to collaborate

Qualifications

• High school diploma/GED required; associate degree, technical training, or equivalent experience in networkingpreferred.
• 5+ years of relevant experience in network operations or IT infrastructure.

Responsibilities

• Configure, deploy, maintain, and troubleshoot UniFi and Cisco networking devices, including gateways/firewalls, switches, wireless access points, and network controllers.
• Configure and maintain VLANs, SSIDs, routing, DHCP, DNS, VPNs, firewall policies, ACLs, and network segmentation.
• Maintain appropriate separation between corporate, guest, AV/IoT, management, event, and other network environments based on organizational security requirements.
• Monitor wired and wireless network infrastructure for outages, performance degradation, security events, and anomalous activity.
• Perform troubleshooting for wired and wireless connectivity issues and resolve Level 1 and Level 2 network tickets within assigned scope.
• Support VPN and secure remote-access configurations as required.
• Assist with installation of cabling, racks, patch panels, fiber, PoE infrastructure, and other physical network infrastructure.
• Perform firmware updates, security patches, and vulnerability remediation for network appliances.
• Maintain secure configurations and approved configuration baselines for network infrastructure.
• Review network-device configurations and identify unnecessary or insecure ports, protocols, services, firewall rules, and administrative interfaces.
• Configure, maintain, review, and document firewall rules, network segmentation, VLANs, ACLs, VPNs, and other network security controls in accordance with approved security policies and change-management procedures.
• Maintain network logging and support centralized collection and review of security-relevant logs from firewalls, gateways, switches, wireless infrastructure, and other applicable devices.
• Support vulnerability scanning, remediation, and validation activities involving network infrastructure.
• Maintain accurate network documentation, diagrams, data flows, configuration records, and inventories of network assets.
• Support installation, configuration, and troubleshooting of Starlink and other temporary or event network infrastructure.
• Collaborate with IT, cybersecurity, compliance, engineering, and other Technology Division personnel on site setup, events, special projects, and security requirements.
• Complete all other tasks and duties as needed to help drive Liberty Alliance's Vision, fulfill our Mission, and abide by the organization's values.

Skills

TCP/IP

DHCP

DNS

Routing

Switching

VLANs

Wireless

Firewalls

VPNs

NIST SP 800-171

CMMC

Security monitoring

Documentation

Education

Associate degree or equivalent IT training

5+ years experience in network operations (relevant)

Certifications (CCNA, etc.) optional

Tools

UniFi

Cisco

Starlink

VPN configurations

Jira

Job description

Liberty Alliance is seeking a Network Engineer to configure, secure, and maintain UniFi and Cisco network infrastructure for corporate and event environments. You will manage VLANs, VPNs, firewall policies, and network segmentation while monitoring performance and security events.

The role supports NIST SP 800-171 and CMMC compliance, including documentation and evidence collection. The ideal candidate has 5+ years in network operations, strong troubleshooting, and the ability to collaborate