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Senior Cisco Network Engineer

CIS Technologies Inc.Fort Myers, FL🇺🇸United StatesPosted Sep 21, 2026

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
Fort Myers, FL, United States
Posted
Yesterday
FiberNagios

Job Description

Title: Senior Cisco Network Engineer

Location: Fort Myers, FL (Onsite)

Duration: Long Term

Notes: Looking for Senior Network Engineer focused on Cisco enterprise/data center switching. The ideal candidate is a hands-on infrastructure engineer who can design, implement, troubleshoot, and support Layer 2/Layer 3 switching, Cisco NexCatalyst environments, switching fabrics, and fiber optic connectivity in a hybrid enterprise environment.

Target candidate profile: A Cisco CCNP-certified Network Engineer with strong experience supporting enterprise or data center switching infrastructure, comfortable handling Tier 2/3 escalations, change management, and cross-functional collaboration with security and infrastructure teams.

Position Overview

Join a team responsible for designing, deploying, and supporting enterprise and data center Cisco switching infrastructure. This opportunity is ideal for a hands-on network engineer with deep expertise in Layer 2 and Layer 3 switching, switching fabric technologies, and fiber optic connectivity within complex Cisco environments.

What You'll Do

  • Design, configure, deploy, and support Cisco Layer 2 and Layer 3 switching infrastructure using Catalyst and Nexus platforms.
  • Manage switching fabric architectures including leaf-spine and core/distribution/access designs.
  • Configure VLANs, trunking, inter-VLAN routing, SVIs, routed ports, and multilayer switching.
  • Deploy and troubleshoot dynamic routing protocols including OSPF, EIGRP, and BGP.
  • Implement Spanning Tree, VPC, port channels, and LACP/PAGP configurations.
  • Support VXLAN/EVPN overlay fabrics in modern data center environments.
  • Install, validate, and troubleshoot fiber optic transceivers and connectivity across enterprise infrastructure.
  • Collaborate with security teams on firewall interface connectivity and network segmentation.
  • Perform capacity planning, performance monitoring, documentation, and Tier 2/3 escalation support.
  • Participate in change management, maintenance windows, and on-call rotation.

Required qualifications (priority)

  • Cisco CCNP Enterprise or Data Center certification
  • 5+ years of enterprise/data center Network Engineering experience
  • Hands-on experience with Cisco Catalyst (3K/4K/9K) and Cisco Nexus (5K/7K/9K)
  • Strong Layer 2 expertise: VLANs, STP variants, trunking, LACP/PAGP, VPC
  • Strong Layer 3 expertise: SVIs, multilayer switching, OSPF/EIGRP/BGP, HSRP/VRRP/GLBP
  • Fiber optic networking: SFP/SFP+/QSFP+/QSFP28, SMF/MMF, DOM, OTDR, optical troubleshooting
  • Experience supporting Cisco switching infrastructure in enterprise or data center environments

Preferred qualifications

  • VXLAN/EVPN data center fabric experience
  • Network monitoring tools (SolarWinds, PRTG, Nagios, or similar)
  • Wireshark and SPAN/RSPAN/ERSPAN experience
  • ITSM/change management tools (ServiceNow or similar)
  • Arista EOS familiarity

Niche skill combination: Cisco Nexus switching fabric + advanced Layer 2/Layer 3 switching + fiber optic infrastructure + working familiarity with firewall interface integration.

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