Network Engineer | Jacksonville, FL

We are seeking a Network Engineer to maintain, administer, secure, and optimize enterprise network infrastructure. This individual will play an important role in ensuring network availability, reliability, performance, and security across the organization.

The ideal candidate will have hands-on experience with Cisco network controllers and wireless networking, along with a strong understanding of network architecture, infrastructure, and security. The successful candidate will be responsible for configuring and troubleshooting network devices, resolving complex connectivity issues, supporting network upgrades, and collaborating with IT teams and end users to maintain a reliable network environment.

This is an on-site position in Jacksonville, FL 32246. Candidates must be authorized to work in the United States without current or future employer sponsorship. Only U.S. citizens and Green Card holders will be considered.

Responsibilities

• Maintain, configure, and administer enterprise network infrastructure, including Cisco controllers, wireless access points, routers, switches, firewalls, VPNs, and load balancers.
• Monitor network performance, availability, capacity, and reliability; identify potential issues and implement corrective actions.
• Troubleshoot, diagnose, and resolve network connectivity, hardware, software, and infrastructure problems, providing Level 2 and Level 3 support.
• Support wireless networking infrastructure, including configuration, administration, optimization, and troubleshooting of wireless access points and Cisco controllers.
• Implement and maintain network security measures, including firewall configurations, access controls, security policies, and vulnerability remediation.
• Perform network maintenance, infrastructure upgrades, configuration changes, patching, and security updates.
• Support disaster recovery operations, network resiliency, and data backup processes as required.
• Analyze network traffic and performance using monitoring, diagnostic, and network analytics tools.
• Develop and maintain accurate network diagrams, technical documentation, configuration records, and troubleshooting procedures.
• Coordinate network changes in accordance with established change management and configuration management policies.
• Collaborate with infrastructure, security, and other IT teams to resolve complex technical issues and improve network operations.
• Provide technical guidance regarding network hardware, software, infrastructure design, and technology selection.
• Participate in a rotating on-call schedule approximately once every two months, providing 24/7 coverage, including weekends.

• Three to five years of network engineering experience or equivalent hands-on experience supporting enterprise network environments.
• CCNP certification or higher is required. CCIE and/or CISSP certifications are highly valued.
• Hands-on experience with Cisco network controllers and enterprise wireless networking.
• Strong understanding of network architecture, infrastructure design, and network hardware.
• Experience configuring, administering, and troubleshooting routers, switches, firewalls, wireless access points, and network controllers.
• Strong knowledge of networking protocols, including IPsec, HSRP, BGP, OSPF, 802.11 wireless standards, and Quality of Service (QoS).
• Solid understanding of the OSI model and TCP/IP networking.
• Experience supporting LAN and WAN environments.
• Knowledge of network security principles, tools, policies, and procedures.
• Experience using network monitoring, diagnostic, and analytics tools.
• Ability to create and maintain network diagrams, technical documentation, and infrastructure configurations.
• Strong analytical, troubleshooting, and problem-solving skills.
• Ability to work independently while collaborating effectively with technical teams and business users.
• Flexibility and dependability, including participation in the rotating on-call schedule.

Education

A bachelor’s degree in Information Technology, Computer Science, Network Engineering, or a related field is preferred. Relevant professional experience may be considered in place of a degree.

ARC Group is recruiting a Network Engineer for a contract-to-hire opportunity on the Southside of Jacksonville.