Senior Network Engineer with Security and Cisco – City London

Company: Jas Gujral
Apply for the Senior Network Engineer with Security and Cisco – City London
Location: London
Job Description:

Senior Network Engineer with Security and Cisco – City London


Our Client urgently requires a Senior Network Engineer with heavy background in Network Security on Cisco and Microsoft.


The security and support of the company’s network is paramount.


Predominately a support role (BAU) with design of scalable solutions deliverable through projects.


Encompassing numerous technologies that benefit high-availability solutions.


This role requires a responsible individual who can design and deliver secure networking solutions.


Fast thinker who can diagnose, assist others and remediate BAU support issues.


Main Aspects of the role:



  • Work within Infrastructure team in supporting and delivering all aspect of BAU and support services

  • Design, build and implement firewall solutions from perimeter to DMZ roles

  • Support IPS deployment for Europeanbranches

  • Develop, maintain and deliver global standards to all networking devices

  • Remediate Penetration Test results

  • Ensure seamless migration of network estate to newly adopted security framework


General Skills



  • Experience working within mission-critical environments

  • Experience in operational deployments

  • Datacentre cabling and racking of equipment


Technical Skills you need to bring to the table:



  • In-depth knowledge of CISCO including firewalls, switches and routing protocols

  • In-depth knowledge of supporting a data-centre and branch inter-connectivity

  • Strong technical skills are essential

  • Experience of CISCO multi-layer switches and routers, including 6500s

  • CISCO certification, ideally CCNP

  • CISCO CSM

  • VLAN segregation

  • McAfee HIPS, Trend Micro

  • Centralised authentication service (AAA)

  • SafeNet Ethernet Encryptor

  • RADIUS / RSA

  • Security certification (advantageous)


You will also need to an understanding of the following technologies:


VLAN segregation. DMZ. VSS. Failover. OSPF. High availability.


CISCO. Palo Alto. Juniper. McAfee IPS. SafeNet. Tripwire.


You will ideally be coming with experience from a City based investment bank.


Salary for this role is between £60K and £70K plus banking benefits.

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Posted: September 15th, 2026