Sr. Data Center Network Engineer (Cisco ACI)

Job Title:

Senior Data Center Network Engineer Contract Type /

Duration:

Contract - 6

Months Location:

New York, NY (Hybrid - 3 Days Onsite per Week)

Work Hours:

40 Hours per

Week Pay Rate:

Competitive (Based on Experience) Job Summary /

Overview:

We are seeking a Senior Data Center Network Engineer with 10+ years of enterprise and data center networking experience to support a large-scale data center decommissioning and infrastructure consolidation initiative. This role requires deep hands-on expertise in Cisco networking technologies, brownfield data center environments, migration planning, and network modernization efforts. The ideal candidate has personally executed network device decommissioning, traffic migrations, and infrastructure upgrades within complex enterprise environments. Top Required Skills (Ranked): Advanced Cisco Data Center Networking (Nexus, Catalyst, ASR, ACI, Routing & Switching) Data Center Decommissioning, Migration Planning, and Infrastructure Consolidation Enterprise Routing & Switching Protocols (BGP, OSPF, EIGRP, MPLS, VXLAN, EVPN) Preferred Skills / Nice to

Have:

Juniper MX and EX platforms

F5 BIG-IP LTM/GTM

Python scripting and/or Ansible automation SolarWinds, CiscoWorks, or similar network management tools Visio or equivalent network diagramming tools ITIL Foundation certification PMP certification

Education Requirement:

Bachelor''s degree preferred or equivalent professional experience Certifications (if applicable): CCNP Enterprise or CCNP Data Center (Required) CCIE Data Center (Strongly Preferred)

Key Responsibilities:

Conduct network audits to identify infrastructure targeted for retirement Back up configurations, routing tables, and VLAN databases before decommissioning activities Design and execute traffic migration strategies to maintain service continuity Decommission routers, switches, and firewalls while maintaining accurate network documentation Migrate legacy infrastructure to modern data center platforms Lead terminal server consolidation initiatives Perform post-migration testing and validation activities Operate within formal change management and CAB approval processes Partner with infrastructure, operations, and project teams to coordinate migration activities

Technical Environment:

Cisco Nexus 9000, 7000, 5000, and 2000 Series Cisco Catalyst 6500, 4500, and 9300 Series Cisco ASR Routers Cisco ACI (Spine-Leaf Architecture)

EVPN/VXLAN

Data Center Fabrics

MPLS, BGP, OSPF, EIGRP

v

PC, VDC, OTV, STP/MSTP, EtherChannel Additional Notes:

Local candidates Hybrid schedule requiring onsite presence in New York City three days per week Potential for extension based on project needs Candidate must be eligible for W-2 employment No Corp-to-Corp (C2C) arrangements Must be legally authorized to work in the U.S. without current or future sponsorship Onboarding requirements include drug test, background check, finger printing and credit check