Senior WAN Network Engineer - Platform & Security

fis; Georgia; On-site; USD 95,000 - 140,000; Full time

Job summary

FIS is seeking a Network Engineer to design, implement, maintain, and optimize enterprise network infrastructure supporting critical business operations and client-facing services. You will work across LAN, WAN, and data center networks, ensuring high availability, performance, and security.

Responsibilities include designing networks, monitoring performance, troubleshooting complex issues, and collaborating with security teams on protections and compliance.

Qualifications

• Bachelor's degree or equivalent practical experience in IT/CS/Engineering.
• Experience designing, implementing, and supporting enterprise network infrastructure.
• Strong knowledge of DDOS mitigation, TCP/IP, DNS, DHCP, VPNs, routing, switching, and protocols like BGP/OSPF/HSRP/VRRP/NAT/DMVPN.

Responsibilities

• Design, implement, and maintain enterprise LAN, WAN and data center networks.
• Monitor network performance and proactively resolve availability and capacity issues
• Provide On-Call support
• Direct engagement with clients - supporting and fulfilling client request
• Troubleshoot complex connectivity, routing, switching, and security incidents
• Configure and support routers, switches, firewalls, load balancers, and network services
• Collaborate with security teams to strengthen network protections and compliance control
• Implement network upgrades, migrations, and infrastructure enhancement initiatives
• Develop and maintain network architecture diagrams and technical documentation
• Automate network administration tasks to improve operational efficiency and consistency
• Support disaster recovery, business continuity, and network resilience planning
• Partner with cross-functional teams to deliver reliable and scalable technology solutions
• Lifecycle and Vulnerability Management

Skills

Enterprise network design

TCP/IP & networking protocols

VPNs & DMVPN

Cisco/Brocade devices

Network monitoring

Troubleshooting complex issues

Education

Bachelor's degree in IT/CS/Engineering

Tools

Cisco devices

Brocade devices

Network monitoring tools

Cloud networking basics

Job description

FIS is seeking a Network Engineer to design, implement, maintain, and optimize enterprise network infrastructure supporting critical business operations and client-facing services. You will work across LAN, WAN, and data center networks, ensuring high availability, performance, and security.

Responsibilities include designing networks, monitoring performance, troubleshooting complex issues, and collaborating with security teams on protections and compliance.