Network Support Engineer

Infosys PontoonMilwaukee, WI
Onsite

About The Position

We are looking for a skilled and motivated Network Support Engineer to provide onsite technical support, deployment, and maintenance of enterprise network infrastructure. The ideal candidate will have strong hands-on experience with Cisco networking technologies, including routing, switching, and security solutions, and will play a critical role in ensuring network stability, performance, and security.

Requirements

  • Strong hands-on experience with Cisco Routing (OSPF, EIGRP, BGP)
  • Infrastructure Management
  • Cisco Networking Technologies
  • Network Security Firewall & Policies

Nice To Haves

  • Work with Cisco Identity Services Engine (ISE) for network access control and policy enforcement

Responsibilities

  • Provide onsite support for network infrastructure, including troubleshooting, configuration, and maintenance.
  • Install, configure, and manage Cisco routers and switches.
  • Single point of contact and SME for all managed network operations and network security related activities
  • Assist Customer network engineering team to develop enterprise network design and strategy
  • Identify additional business and project opportunities through coordination with Customer Network engineering lead and SMEs
  • Perform network monitoring, issue diagnosis, and timely resolution of incidents and service requests.
  • LAN (Data center & Branch office LAN): Managing core and access switches configuration changes, Code upgrade activities and troubleshooting any system level issues
  • WAN (Data Center & Branch office) Managing WAN Routers, ISP switches configuration changes, Code upgrade activities, QOS & WAN changes and troubleshooting any system level issues
  • Firewalls: Managing day to day operational configuration changes, Troubleshooting application access related issues, NAT/Access rules, and routing related changes
  • Load Balancers: Managing day to day operational configuration changes, Code upgrade activities, Troubleshooting application access related issues and new application deployment, cert renewal activities.
  • Telecom support activities: Phone configuration and troubleshooting, Teams and IP Phone configurations and troubleshooting, Coordinate with vendors, call quality issues troubleshooting and inbound/outbound calling issues troubleshooting
  • Coordination with Vendors/Service providers: Opening tickets with service providers and vendor escalations based on the escalation matrix
  • Assist in implementation and troubleshooting of Cisco SD-WAN environments.
  • Manage and support Cisco Firepower Threat Defense (FTD) firewalls for network security.
  • Work with Cisco Identity Services Engine (ISE) for network access control and policy enforcement (preferred).
  • Coordinate with remote teams, vendors, and stakeholders for incident resolution and project delivery.
  • Perform network upgrades, patches, and planned maintenance activities.
  • Maintain network documentation, diagrams, and configuration backups.
  • Ensure adherence to security policies, standards, and best practices.
  • Configuration migration and support (remote) for Firewall HW Replacement on the existing infrastructure
  • ITIL Processes: Incident, Problem, Change and SR Management and Participating CAB meetings to represent network scheduled changes
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