Network & Server Inf Engineer, Cisco, Fortigate, VMWare

Network / Infrastructure Engineer, Cisco, Fortigate Firewalls, VMWare, Virtualisation, Citrix Contract (6 months) Location: London (City) - hybrid working 2/3 days Rate: £400-£600 Please note, engagement is via umbrella company only; all tax and NI will be deducted at source.

An opportunity for an experienced Network and Infrastructure Engineer to join a multi-site enterprise environment, supporting and enhancing a broad and modern infrastructure estate. You'll play a key role in maintaining platform stability, driving security compliance (patching, hardening, vulnerability remediation), and supporting both BAU and project delivery.

The role offers exposure across virtualisation, security tooling, networking, and cloud-aligned technologies - ideal for someone comfortable operating across the full infrastructure landscape and resolving complex, real-world issues.

Key responsibilities

Strong experience in supporting Cisco switches, access point, Wireless Lan controllers systems and upgrade

Strong experience in supporting Fortigate firewalls, creation of firewall rule, VPN's, DMZ's etc

Strong Knowledge of IP networking, including routing and security

Strong experience of Cisco WIFI and Network Access control (with 802.1x) and Cisco ISE technologies

Support and maintain core infrastructure (Windows Server, VMware, Citrix, security & networking tools)

Drive patching, vulnerability remediation (Tenable/Nessus) & cyber compliance (Cyber Essentials+)

Support incident, problem & change across infrastructure and networking

Assist with project delivery and hardware deployments (multi-site)

Collaborate with internal teams and 3rd parties to ensure reliable service delivery

Skills / experience

Cisco switching

Fortigate Firewalls, including rule management

Enterprise Windows Server admin, patching & support

VMware (ESXi / vCenter)

Security tooling (Trellix, SCCM, Ivanti, Zscaler ZIA/ZPA)

Core services: AD, GPO, DNS, DHCP, DFS

Strong IP networking knowledge (routing, security)

Experience in multi-site environments (500+ users)

Strong communication skills (technical business stakeholders)

Reasonable Adjustments

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