Nexus Jobs Limited

Job Vacancy Senior Network Specialist with Security and Cisco – City London

London

Nexus Jobs Limited

Job position

Permanent
As soon as possible
London, United Kingdom
Published on 13/08/2025

Share this job

 


Senior Network Specialist with Security and Cisco – City London


Our Client urgently requires a Senior Network Specialist 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 European branches


-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 datacentre and branch interconnectivity


-Strong technical skills are essential


-Experience of CISCO multilayer 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.


This is a contract role for up to 18 months to start immediately.


Please send your CV to us in Word format.

Knightsbridge, England, United Kingdom
100 - 249 employees
Recruitment agency
Nexus Jobs is a leading recruitment agency that connects top talent with industry-leading companies. Specializing in IT, healthcare, and engineering sectors, Nexus Jobs provides efficient staffing solutions for businesses and jobseekers alike.

Apply to this job!

Find your next job from +1,000 jobs!

  • Manage your visibility

    Salary, remote work... Define all the criteria that are important to you.

  • Get discovered

    Recruiters come directly to look for their future hires in our CV library.

  • Join a community

    Connect with like-minded tech and IT professionals on a daily basis through our forum.

Senior Network Specialist with Security and Cisco – City London

Nexus Jobs Limited

Connecting Tech-Talent

Free-Work, THE platform for all IT professionals.

Free-workers
Resources
About
Recruiters area
2025 © Free-Work / AGSI SAS
Follow us