Senior Network Engineer Salary: Up to £65,000 DOE + separate on-call allowance + paid callout payments Location: Basildon, Essex - Hybrid, with occasional customer site and data centre visits We are recruiting for an experienced Senior Network Engineer to join an established UK Managed Service Provider (MSP) that operates its own ISP and datacentre infrastructure, as well as delivering complex managed network services to enterprise and Critical National Infrastructure (CNI) customers. This is a hands-on senior technical role where you will become a key technical authority across the network environment, working alongside an experienced Network and ISP Engineering team. You will be responsible for the design, installation, migration and ongoing support of both internal service-provider and datacentre networks, as well as managed customer estates. The role offers excellent technical variety, with Cisco and Fortinet technologies at its core and a strong service-provider routing element built around BGP. Key responsibilities: • Take ownership of network installation and migration projects from start to finish • Work closely with the Network Manager, Account Managers and customers to deliver projects successfully • Maintain and develop the ISP and datacentre network, including core routing, peering, transit and edge connectivity • Configure, manage and troubleshoot multi-customer firewall environments using FortiGate, FortiManager and Sophos XG • Configure and support Cisco Nexus ..... full job details .....