Network Engineer
Location: London (Hybrid Working)
Salary: Circa £78k + bonus + benefits
The Opportunity
We’re partnering with a highly regarded professional services organisation in London to hire an experienced Network Engineer into a key infrastructure role within their IT function.
This is a hands-on engineering position within a complex, enterprise-scale environment where you’ll take ownership of both operational stability and ongoing network evolution.
Key Responsibilities
* Take ownership of enterprise LAN/WAN infrastructure, ensuring stability, performance, and scalability across multiple sites
* Support, configure, and optimise Cisco Catalyst (9300) and Nexus switching environments
* Manage and maintain Palo Alto Prisma Access policies and secure connectivity
* Support and administer FortiGate firewalls, including ongoing threat monitoring and security tuning
* Act as an escalation point for complex network incidents and performance issues
* Work closely with security and infrastructure teams to strengthen network security posture
* Support delivery of network-related changes through both internal teams and external managed service providers
* Contribute to infrastructure projects including office moves, upgrades, and network redesigns
* Produce clear and accurate HLD/LLD documentation to support design and change governance
* Ensure network operations align with regulatory and compliance requirements (SRA standards)
Key Requirements:
* Strong background in enterprise networking with a focus on routing and switching (L2/L3)
* Solid understanding of BGP and OSPF in production environments
* Hands-on experience with Cisco Catalyst and Nexus platforms
* Exposure to VSS and vPC design/implementation concepts
* Strong working knowledge of enterprise WLAN environments and Cisco Wireless LAN Controllers
* Experience with Network Access Control (NAC), ideally Cisco ISE
* Good understanding of AAA services (RADIUS, TACACS+, 802.1X)
* Exposure to Palo Alto Prisma Access and/or FortiGate firewalls preferred
* Strong troubleshooting skills across complex enterprise networks
* Ability to produce structured technical design documentation (HLD/LLD)
* Exposure to Azure networking / hybrid cloud environments