Network Support Engineer

Job title - Network Support Engineer
Work location - Milwaukee WI 53208
Contract duration - 12 Months
Mandatory skills required : Infrastructure Management | Cisco Networking Technologies | Network Security Firewall & Policies
Complete job description -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.

Key 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
Required Skills & Qualifications
Strong hands-on experience with:
o Cisco Routing (OSPF, EIGRP, BGP)