About this role
Salary: £65,000 - 75,000 per year
Requirements: Degree (or equivalent) in a computer-related subjectStrong experience with Juniper Networks and firewalls, or the ability to transfer from Cisco to JuniperKnowledge of Windows 2003 and above, Exchange Server, LANs, WANs, virtualisation, TCP/IP, routing, SANs, network design, firewalls, Active Directory, encryption technologies, and system monitoring and managementProven and demonstrable experience supporting IT infrastructure, including networks and security hardwareDeep experience with one major network equipment providerEvidence of implementing IT security tools and techniquesPractical experience managing changeGood working knowledge of Information Governance and its application within ITCommitment to customer-facing serviceSignificant experience managing, motivating, and developing staffUnderstanding of core Internet protocols such as TCP/IP, UDP, DNS, SMTP, HTTP, and BGP Responsibilities: Support all internal networks across UK sites and European offices, reporting to the Head of NetworksWork with and provide cover for the Customer Networks and Product Development ManagerContribute to IT network project delivery, including design, build, and stakeholder communicationMaintain and configure routers, switches, and related network equipmentDeliver and support customer connections, including server sockets, VLANs, and similar servicesAssist with configuration of internal and external switchesProvide technical support for service-network cabling, including planning and deploying cabinet cablingSupport firmware and software updates for routers and switchesAssist with EOL management and ensure timely planning and budgeting for replacementsSupport telephony systems, including ISDN and SIP servicesAssist in maintaining backups, redundancies, and disaster recovery processes for all network servicesSupport network security through monitoring, audits, baselining, and working with internal and external assessorsSupport security and monitoring systems such as Systems Observer and FireEyeSupport assigned projects, including procurement meetings, budgeting, and security assessmentsProduce basic network designsWork across project and design activities as well as BAU support Technologies: Active DirectoryCiscoFirmwareHardwareHTTPSupportNetworkSecurityTCP/IPWindowsLAN More:
We are a global organisation based in London, offering a Senior Network Engineer role with a salary of around £75,000 plus bonus, benefits, and on-call arrangements. The role is focused on supporting internal networks across UK and European sites, with a mix of project/design work and BAU support, and we are particularly interested in experience with Juniper Networks and firewalls.
last updated 37 week of 2026