Cisco Network Engineer - SC Cleared

Experis - ManpowerGroup; England; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading recruitment firm is seeking a Senior Cisco Network Engineer to support classified systems within a secure environment in London. The role involves delivering Level 3 support, managing incidents, and maintaining Cisco network devices. Ideal candidates will have expertise in Cisco technologies and experience with network protocols. SC Clearance is required. Apply now to contribute to critical Defence networks.

Qualifications

• Expertise in Cisco network technologies including Nexus, IOS XE, Switch, and CUBE.
• Strong experience with various network protocols and security management.
• Excellent communication skills and a proactive, solution-driven mindset.

Responsibilities

• Deliver Level 3 support for LAN and WAN services across multiple security domains.
• Manage incidents and troubleshoot escalations from 1st and 2nd line teams.
• Install, configure, maintain, and diagnose Cisco network devices.

Skills

Cisco network technologies

AAA Management (ISE)

QoS

ACL-ASA Firewalls

OSPF

BGP

Spanning Tree

Firewall IPS/IDS

VoIP systems

NATO Gateways

Job description

Cisco Network Engineer / Subject Matter Expert

Must have an Active SC Clearance - Sponsorship for DV is available with this role

Step into a critical role as a Senior Cisco Network Engineer / Subject Matter Expert, supporting deployable classified systems within a secure environment in London. This position offers the opportunity to work on-site in a highly collaborative team, directly contributing to the stability, performance, and security of essential Defence networks.

About the Role - Cisco Network Engineer / Subject Matter Expert

• As a Senior Cisco Network Engineer, you'll deliver Level 3 support for LAN and WAN services across multiple security domains.

• You'll manage incidents, troubleshoot escalations from 1st and 2nd line teams, and ensure swift resolution in mission-critical environments.

• Responsibilities include installation, configuration, maintenance, and diagnostics of Cisco network devices, as well as updating design documentation and managing cryptographic configurations.

• You'll collaborate with resolver groups, NATO, and third parties to deliver technical and service changes.

What We’re Looking For - Cisco Network Engineer / Subject Matter Expert

• Expertise in Cisco network technologies including Nexus, IOS XE, Switch, and CUBE.

• Strong experience with AAA Management (ISE), QoS, ACL-ASA Firewalls, OSPF, BGP, and Spanning Tree.

• Proficiency with Firewall IPS/IDS and VoIP systems.

• Experience with NATO Gateways and vendor licensing models.

• Proven ability to lead incident resolution, implement configuration changes, and maintain network documentation.

• Excellent communication skills and a proactive, solution-driven mindset.

Take ownership of complex network challenges and make a tangible impact as a Cisco Network Engineer / Subject Matter Expert.

To apply, please send your CV by pressing the apply button.