Epsom | up to £35,000- £45,000pa | Permanent


Providing 3rd line support to a fast paced and technically challenging environment.  The Network & Security Engineer will be an integral member of the core IT Infrastructure team and will have the opportunity to maintain and expand on a number of systems.


The Role of IT Network Security Engineer:

  • Configure and install network devices and services (e.g., routers, switches, firewalls, load balancers, VPN)

  • Liaise with the senior infrastructure engineers for supporting, installation of new hardware.

  • The candidate will be responsible for supporting the company infrastructure and security across all aspects of the IT Network, Firewall, Databases and System Infrastructure, internal systems, critical servers, software, website, services, monitoring and capacity planning.

  • Conduct regular security audits on the company network infrastructure and environments, identify threats/risks & to implement mitigation actions including patches & hotfixes.

  • Prepare weekly network infrastructure health check status reports to management

  • Assist the IT Manager in the enforcement and regular monitoring of the Information security policies, procedures and disaster recovery

  • Provide support to assigned IT infrastructure projects and coordinating the efforts of team members in order to deliver large projects.

  • Responsible for the design, engineering, operation and security of the network infrastructure.

  • By agreement with the CIO or the IT Manager, work outside of standard office hours to minimise adverse business impact when instigating IT changes or performing planned activities or to support the business/services in emergency situations.


Requirements for IT Network Security Engineer:



  • Proven IT Infrastructure, Network Support experience: previous experience of 3-5 years of 2nd line support or a good exposure to 3rd line infrastructure & network support

  • Vigilant to identify emerging threats and vulnerabilities in IT Security and mitigate the issues proactively.

  • Next Generation Firewall experience (e.g. Cisco FTD) including NAT, IDS/IPS and inspection policies (DNS, file analysis etc)

  • Ability to communicate infrastructure issues related to websites, internal systems, application and network to Senior Engineers & Vendors

  • Troubleshoot and assist in the remediation of WAN/LAN issues and coordinate the installation of new LAN infrastructure

  • Knowledge of Microsoft Exchange, Group Policies, Data Centre Management, Win Server 2008r2 and above.

  • Knowledge of industry leading cloud technologies (either Azure, AWS or Google Cloud etc) is expected



  • Good knowledge of PowerShell scripting

  • Experience working with IT Projects that may have included network, infrastructure and office support projects.

  • Candidate should have up to date certifications around network, infrastructure or security



Please apply by sending your CV as a Word Document. Cassidy Jones Recruitment Ltd are acting as an Employment Agency on behalf of our Client. 


Although we aim to respond to every Candidate, please note that due to the high volume of applications, we may not be able to notify all unsuccessful candidates. Please assume that if you have not heard within two weeks, your application has not been successful this time. 



0203 7632 889

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