ACI Network Engineer (SC Cleared)

New Yesterday

Senior Cisco ACI Network Specialist (SC Cleared)

Location: London (Hybrid - 1-2 days onsite)
Contract: 6 months
Rate: £700 Inside IR35

We're looking for an SC Cleared Senior Cisco ACI Network Specialist to join a major enterprise datacentre transformation programme within a highly regulated environment.

This is a hands-on, ACI-first role focused on upgrading, modernising, and standardising large-scale Cisco ACI and Nexus fabric environments. You'll be working across multiple enterprise datacentre fabrics, delivering upgrades, platform refreshes, and fabric modernisation as part of a long-term, Cisco-led strategy.

What You'll Be Doing

Delivering Cisco ACI fabric upgrades across multiple enterprise environments
Supporting the modernisation of ACI orchestration and management platforms
Leading APIC platform refresh and ACI platform upgrades
Working on Nexus fabric and ACI control-plane modernisation
Designing and maintaining ACI policy models (tenants, VRFs, BDs, EPGs, contracts, L4-L7)
Contributing to underlay/overlay fabric design (EVPN/VXLAN, IS-IS/BGP)
Producing design documents, upgrade plans, and implementation runbooks
Leading and supporting high-risk, out-of-hours change and upgrade activities
Troubleshooting complex ACI fabric, APIC, and policy-related issues
Working closely with security, compute, storage, and cloud teams

What We're Looking For

Active SC Clearance (mandatory)
Strong hands-on experience with Cisco ACI in large enterprise environments
Proven experience delivering ACI upgrades and platform refreshes
Deep knowledge of:
APIC
ACI policy model
Multi-site ACI environments
Strong Nexus / NX-OS experience
Strong understanding of EVPN/VXLAN and underlay/overlay architectures
Experience working in highly regulated, business-critical environments
Excellent troubleshooting skills in complex fabric environments
Apply
Location:
City Of London
Salary:
£600 - £700 /day
Job Type:
FullTime
Category:
IT

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