Data Center Network Engineer

• Conduct network audits to identify devices targeted for decommissioning
• Back up configurations, VLAN databases, and routing tables prior to any retirement activity
• Design and execute traffic migration strategies to reroute services before decommissioning
• Decommission routers, switches, and firewalls; update network diagrams and topology documentation accordingly
• Migrate legacy platforms (e.g., Catalyst 6500, Brocade) to modern infrastructure (Nexus 7K/5K/2K) as part of consolidation efforts
• Lead terminal server consolidation and streamline out-of-band access methods
• Perform post-migration validation (PAT/NRFU) to confirm service continuity
• Operate within change-controlled environments with CAB approval processes
• Collaborate with cross-functional teams to coordinate decommission timelines

We are seeking a Senior Data Center Network Engineer with 10+ years of enterprise and data center networking experience to support the structured decommissioning of brownfield data center infrastructure. The right candidate has deep hands-on experience with Cisco platforms, multi-vendor environments, and has personally executed device retirements - not just supervised them., * Routing protocols: OSPF, BGP, EIGRP, MPLS

• Switching: VLANs, VTP, STP/MSTP, EtherChannel, vPC, VDC, OTV
• Cisco Nexus (9K, 7K, 5K, 2K), Catalyst (6500, 9300, 4500), ASR routers
• Cisco ACI - Spine-Leaf architecture, fabric path, legacy integration
• Juniper MX/EX switches and routers a plus
• F5 BIG-IP LTM/GTM experience a plus
• EVPN, VXLAN, data center fabric technologies
• Python scripting and/or Ansible for configuration auditing and automation
• NMS tools: SolarWinds, CiscoWorks, or equivalent
• Proficient in network diagramming (Visio or equivalent)