Job Reference: NJ0153Date Posted: 1 September 2026Recruiter: Nexus JobsLocation: City LondonSalary: 60,000 to 70,000Sector: I.T. & CommunicationsJob Type: PermanentWork Hours: Full TimeContact: Jas GujralEmail: cv@nexusjobs.comTelephone: 020 7488 6900Apply for this job nowJob DescriptionSenior Network Engineer with Security and Cisco β City LondonOur Client urgently requires a Senior Network Engineer with heavy background in Network Security on Cisco and Microsoft.The security and support of the companyβs 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 frameworkGeneral Skills-Experience working within mission-critical environments-Experience in operational deployments-Datacentre cabling and racking of equipmentTechnical 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.Please send your CV to us in Word format.
Senior Network Engineer with Security and Cisco β City London employer: Nexus Jobs
As a leading bank located in the heart of London, we pride ourselves on fostering a dynamic work culture that encourages innovation and collaboration. Our employees benefit from competitive salaries, flexible remote working options, and ample opportunities for professional growth, making it an ideal environment for those looking to advance their careers in IT infrastructure. Join us to be part of a team that values your expertise and supports your journey towards success.