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Network Specialist - Corsham/London - security cleared

Job Type
City of London, London
Job Ref
Date Added
May 13th, 2024

Network Specialist
London or Corsham based
Full Time Contract Inside IR35
High level of Security Clearance required

Brief Overview of role / project:

We are looking for a L3 Network Engineer to provide network engineering support of the LAN and WAN across all security domains. The role will primarily involve incident management on our clients' live system, on incidents that have been escalated from 1/2nd line resources that are often remotely based environments. We are looking for dependable and experienced support staff that are not afraid to own problems and incidents and deliver solutions to issues.

Key Skills / Experience required:

  • Installation, configuration, deployment, maintenance and diagnostics of all (CISCO) Network Devices and supporting cabling and infrastructure
  • Level 3 Support for the LAN and WAN relating to Core Services
  • Network support, advice and recommendations to design change
  • Liaising and working collaboratively with other Third Parties, Resolver Groups, NATO and any other persons specified by the Authority to implement Service Changes and technical changes
  • Updating Design Documentation to capture Network Changes
  • Configuring and filling network Cryptographic Items
  • Detailed knowledge of core network technologies and infrastructure including but not limited to:
  • CISCO Nexus
  • AAA Management Platforms e.g. ISE
  • Detailed understanding of QOS including Traffic Shaping, Policing, Scheduling / Congestion Management and avoidance
  • Experience of NATO Gateways
  • Advanced knowledge of routers, switches and firewall product lines and vendor licensing model
  • CISCO Switch and CUBE
  • Firewall IPS/IDS
  • ACL-ASA Firewall
  • OPSF
  • BGP
  • Spanning Tree
  • VolP

If this role is of interest to you, and you obtain a high level security clearance, please apply now!



Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as an Employment Business in relation to this vacancy.

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