Salary: £60,000 - 60,000 per year Requirements: Strong knowledge of networking protocols, including TCP/IP, subnetting, VLANs, VPNs, and load balancing Experience with FortiNet firewalls and Cisco switches, including CLI configuration and firmware updates Proficiency in Windows operating systems and Active Directory Demonstrated ability to design and troubleshoot complex networks Experience working with hybrid infrastructure and virtual networks Familiarity with Microsoft Azure cloud services and architecture Experience with Dell servers, including iDRAC Knowledge of SAN operations Ability to work collaboratively across infrastructure and security teams Willingness to work outside of core hours when required Responsibilities: We manage and optimise network infrastructure, including virtual networks, cloud platforms, and WAN technologies We configure and maintain firewalls, routers, switches, and load balancers We deploy security and operational updates in line with business guidelines We monitor network performance and resolve bottlenecks We support backup and disaster recovery solutions We contribute to broader infrastructure operations while leading network engineering activities Technologies: Active Directory Azure Cloud Cisco Firmware Support Load Balancing Network Security TCP/IP Windows DevOps More: We are a close-knit, agile infrastructure team based in Bromley, Kent, offering a salary of up to £60,000 per annum. We are looking for a driven and collaborative Network and Infrastructure Security Engineer who enjoys working across disciplines and is passionate about delivering secure, resilient, and high-performing technology solutions. In this hands-on role, we place a strong value on teamwork, fresh ideas, and enthusiasm, and we welcome someone who wants to make a meaningful impact in a supportive, team-oriented environment. last updated 24 week of 2026