L3 Network Engineer

DCM Infotech Limited

$95K — $115K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of hands-on operational experience in large Cisco enterprise environments
  • Proven expertise with Cisco SDA, Catalyst Center, and enterprise wireless technologies
  • Strong troubleshooting skills with Cisco routing protocols (BGP, OSPF, EIGRP)
  • Demonstrated experience in large-scale networking with Cisco Nexus and VXLAN/EVPN
  • Comfortable in a 24x7 operational support role with on-call duties
  • Healthcare industry experience is a plus but not a requirement

Responsibilities

  • Troubleshoot and optimize Cisco SDA fabrics and Catalyst Center
  • Manage Cisco Client authentication, authorization, and endpoint onboarding
  • Conduct enterprise wireless troubleshooting and RF optimization
  • Implement and support routing protocols in production environments
  • Facilitate data center networking solutions using VXLAN/EVPN
  • Oversee incident response and root cause analysis
  • Support operational workflows in ServiceNow for change and incident management

Benefits

  • Opportunity to work with cutting-edge Cisco technologies
  • Engagement in a dynamic and critical operational environment
  • Collaboration with a skilled team focused on operational excellence
  • Potential to gain experience in healthcare-related network solutions
Full Job Description
Job description:

We're looking for engineers with hands-on operational experience in large Cisco enterprise environments who can contribute with minimal ramp-up time.

Our current environment includes:
  • Cisco Software-Defined Access (SDA)
  • Cisco Catalyst Center (DNA Center)
  • Cisco Identity Services Engine (Client)
  • Cisco Catalyst 9800 Wireless Controllers
  • Cisco Catalyst 9130/916x Access Points
  • High-density enterprise and healthcare wireless
  • Cisco Nexus data center technologies, including VXLAN/EVPN and Nexus Dashboard (NDFC)
  • Cisco routing and switching
  • Cisco Secure Firewall technologies
  • Azure connectivity (ExpressRoute) and hybrid networking
  • ServiceNow change, incident, and operational workflows


From an experience perspective, we're looking for candidates who can demonstrate real-world operational ownership-not just exposure. Strong candidates should be comfortable discussing topics such as:
  • Troubleshooting Cisco SDA fabrics and Catalyst Center
  • Cisco Client authentication, authorization, profiling, and endpoint onboarding
  • Enterprise wireless troubleshooting, RF optimization, roaming, and client performance
  • Routing protocols including BGP, OSPF, and EIGRP
  • Data center networking using VXLAN/EVPN
  • Large-scale Cisco switching and routing
  • Incident response and root cause analysis in a production environment
  • Working in a 24x7 operational support model with on-call responsibilities


Candidates whose experience is primarily limited to traditional routing and switching, data center deployments, or configuration work-without hands-on experience supporting SDA, Catalyst Center, Client, and enterprise wireless-typically are not the right fit for this role.

Healthcare experience is certainly a plus, but it isn't required. What's most important is experience supporting large, always-on Cisco enterprise environments where uptime, operational excellence, and troubleshooting are critical.

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