Onyx-Conseil is seeking a Senior Network Engineer in London to support BAU operations and deliver secure networking solutions. You will design and implement firewall policies, manage IPS deployments, and uphold global standards across data-centre and branch networks.
The role requires strong Cisco expertise, experience with DMZ, VLANs and high availability, and certification in Cisco technologies. Banking sector exposure is a plus; hybrid/onsite options may apply.
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