Network Security Lead

Role: Network Security Lead (Permanent)

Location: London, UK (Hybrid - 2 days on-site)

Clearance Requirement: BPSS Eligible

We are hiring an L3 Subject Matter Expert to lead network security operations for a global enterprise. If you have 8+ years of experience managing complex enterprise networks and thrive in a technical leadership role handling major incident response, we want to hear from you.

Key Requirements:

Routing & Switching: Mandatory deep expertise in Cisco Data Centre and Branch Routers/Switches (Nexus).

Security & Firewalls: Strong hands-on experience with Palo Alto, FortiGate, Cisco FTD, and Cisco ISE (NAC).

Network Protocols: Advanced knowledge of BGP, OSPF, VXLAN, EVPN, and IPsec VPNs.

Wireless & SD-WAN: Experience supporting Cisco, Aruba, and Meraki environments.

Automation (Bonus): Python or PowerShell scripting for operational efficiency.To Apply: Please send your updated CV to or drop apply with your updated CV to discuss this opportunity further.

Randstad Technologies Ltd is a leading specialist recruitment business for the IT & Engineering industries. Please note that due to a high level of applications, we can only respond to applicants whose skills & qualifications are suitable for this position. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business