Network Engineer (Hosting) | Cisco Nexus, ASA & F5 | Global Data Centre Infrastructure Rate: £400–£500 per day (Outside IR35) Length: 10-12 months Location: Windsor (Hybrid – 4 days per week on site Contract, full-time We’re hiring a Network Engineer to join a growing hosting services team supporting high-availability, international data centre environments. This is a hands-on infrastructure role where you’ll take ownership of network performance, resilience, and security across multiple hosted platforms in a complex, SLA-driven environment. This is engineering depth, not first-line support. With new hosted contracts driving expansion, you’ll step into a role offering genuine technical scope, exposure to global infrastructure, and long-term project work rather than short-term firefighting. The Role As a Network Engineer, you will play a key role in maintaining and evolving mission-critical network infrastructure. I n this role, you will: Provide expert-level support across data centre network environments Monitor, review, and report on network service levels, proactively addressing risks and negative trends Design and deploy robust routing, switching, firewall, and load-balancing solutions Implement and test disaster recovery and failover strategies Ensure 24x7 availability, capacity, and performance monitoring Maintain security compliance across all managed network components Produce and maintain clear documentation including diagrams, configurations, and operational procedures Collaborate with architects, project managers, vendors, and hosting teams Identify and implement automation and service improvement initiatives This is a delivery-focused infrastructure role combining operational responsibility with ongoing improvement work. Non-Negotiables CCNP (Routing & Switching or Security) Strong Cisco data centre networking experience Hands-on experience with firewall rules, VPNs, routing protocols, and load balancing Experience operating within ITIL-driven 24x7 environments Strong troubleshooting capability across complex network estates Comfort working in security and compliance-heavy environments What You’ll Work With Cisco Nexus 7000/9000 series Cisco ASR (100x) Cisco ASA & ASAv (Multi-context) F5 LTM & GTM (DNS management / GLB) NX-OS & IOS OSPF, BGP, VRF VPC, HSRP, STP IPSEC VPN & AnyConnect SSL VPN NAT & ACL configuration Intrusion detection & prevention systems Network monitoring tools (Nagios, Cacti preferred) Configuration management (Puppet preferred) Nice to Haves Vendor management experience (Cisco, F5) Strong documentation discipline Automation mindset within infrastructure environments Excellent stakeholder communication skills Experience supporting global or multi-datacentre environments Why Join / Projects You’ll be supporting a globally distributed hosting function with multiple established data centres and further growth plans. Projects include: Scaling network infrastructure to support new hosted clients Enhancing disaster recovery and failover capabilities Improving monitoring, automation, and operational efficiency Strengthening security compliance across international environments This is a technically mature team where network engineering is taken seriously - you’ll have ownership, visibility, and the ability to influence how services evolve. Network Engineer (Hosting) | Cisco Nexus, ASA & F5 | Global Data Centre Infrastructure