Castillians

Senior Network Engineering – Data Centre, VXLAN, ACI

Castillians

contract

Posted on:

Location Type: Remote

Location: United States

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Job Level

Senior

Tech Stack

Switching

About the role

  • Design, implement, and support data centre network architectures based on VXLAN / EVPN.
  • Deploy, configure, and maintain Cisco ACI fabrics, including APIC, tenants, EPGs, contracts, and policies.
  • Operate and troubleshoot leaf–spine architectures in production data centre environments.
  • Perform advanced Layer 2 and Layer 3 troubleshooting across complex network topologies.
  • Ensure high availability, performance, and stability of data centre networks.
  • Participate in change management, maintenance activities, and incident resolution.
  • Produce and maintain network documentation and diagrams related to VXLAN and ACI environments.

Requirements

  • At least 5 years of experience as a Network Engineer in data centre environments.
  • Strong hands-on expertise with VXLAN / EVPN.
  • Solid operational and design experience with Cisco ACI.
  • Deep understanding of data centre networking concepts, including overlay and underlay networks.
  • Strong knowledge of routing and switching protocols relevant to data centres (e.g., BGP, OSPF).
  • Nice to Have Experience supporting large-scale or multi-site data centre environments.
  • Exposure to network segmentation and policy-based networking within ACI fabrics.
  • Relevant networking certifications (e.g., CCNP, CCIE).
Benefits
  • Clear scope with no ambiguity over deliverables.
  • Flexible working arrangements.
  • Opportunity for repeat engagements based on performance.
  • Ongoing Business Support Access to CX guidance and market insights through our professional network.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
VXLANEVPNCisco ACILayer 2 troubleshootingLayer 3 troubleshootingrouting protocolsswitching protocolsBGPOSPFnetwork segmentation
Soft Skills
problem-solvingcommunicationcollaborationchange managementincident resolution
Certifications
CCNPCCIE