Network Engineer 3

• Responsible for administering and supporting enterprise network infrastructure, including routing, switching, wireless, VPN, and secure connectivity environments.
• The role focuses on maintaining network performance, supporting operational stability, troubleshooting infrastructure issues, and ensuring secure and reliable connectivity across enterprise environments.

Responsibilities:

• Administer enterprise routing and switching infrastructure.
• Configure and maintain LAN, WAN, wireless, and remote access environments.
• Support hybrid MPLS and SD-WAN connectivity across multiple locations.
• Maintain network availability, resiliency, and performance.
• Administer firewalls, VPN solutions, and secure remote connectivity.
• Implement and maintain network segmentation and access controls.
• Support secure connectivity for cloud and hybrid environments.
• Coordinate firewall rule changes and network security updates.
• Monitor network health, utilization, and performance.
• Respond to outages, connectivity issues, and infrastructure incidents.
• Perform troubleshooting across routing, switching, wireless, and VPN environments.
• Conduct root cause analysis and implement corrective actions.
• Support implementation of network security controls and standards.
• Collaborate with Information Security teams on vulnerability remediation and risk reduction.
• Assist with logging, monitoring, audit activities, and secure configuration practices.
• Execute network changes through established change management processes.
• Validate planned changes and maintain rollback procedures.
• Participate in maintenance windows and operational planning.
• Maintain network documentation and diagrams.
• Coordinate with telecommunications providers and vendors.
• Support circuit provisioning, troubleshooting, and escalations.
• Assist with hardware lifecycle management and support renewals.
• Partner with Systems Administration, End User Services, and Application/Data teams on infrastructure and connectivity needs.
• Communicate operational risks and system impacts to leadership.

Requirement/Must Have:

• Experience administering enterprise network environments.
• Strong knowledge of routing and switching concepts.
• Experience with firewalls, VPNs, and secure remote access technologies.
• Experience troubleshooting network connectivity and performance issues.
• Familiarity with wireless networking technologies.
• Understanding of operational and change management processes.
• Strong troubleshooting and analytical skills.
• Ability to manage multiple operational priorities.
• Effective written and verbal communication skills.
• Ability to work collaboratively across technical teams.

Should Have:

• Experience with Cisco networking technologies.
• Experience with SD-WAN and hybrid network environments.
• Experience working in government or regulated environments.
• Familiarity with network monitoring and logging tools.
• Knowledge of security frameworks such as NIST.
• Relevant certifications such as CCNA or CCNP.

Skills:

• Enterprise networking.
• Routing and switching.
• LAN/WAN administration.
• MPLS and SD-WAN.
• Firewalls and VPNs.
• Wireless networking.
• Network monitoring and troubleshooting.
• Network security and compliance.
• Change management.
• Root cause analysis.
• Cisco technologies.
• Network documentation.
• Vendor coordination.
• Communication and collaboration.

Qualification And Education:

• Bachelor s degree in Information Technology, Computer Science, Networking, or related field preferred.
• Relevant certifications such as CCNA or CCNP preferred.