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Network Engineer @ The Portfolio Group

Finsbury Square 10, City of LondonOnsiteFull-time
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About this role

Salary: £55,000 - 60,000 per year

Requirements: 4+ years of experience in Network or Infrastructure EngineeringStrong enterprise networking experience including LAN, WAN, VLANs, VPNs and Wi-FiExperience with firewalls and network security technologiesSolid understanding of cyber security, vulnerability management and penetration testing principlesExperience delivering infrastructure or networking projectsExcellent communication and stakeholder management skillsExposure to Azure infrastructure or cloud networking is desirableCCNA, CCNP, Network+ or Azure certifications are desirableExperience within healthcare or NHS environments is desirableKnowledge of HSCN connectivity is desirableExperience supporting EMR/EHR platforms or large infrastructure migration programmes is desirable Responsibilities: Design and implement enterprise LAN, WAN, Wi-Fi, VPN and SD-WAN solutionsOwn firewall architecture, network segmentation and secure connectivityLead network upgrades across multiple sites with minimal business disruptionDeliver infrastructure integration and migration projectsStrengthen cyber security through vulnerability management, penetration testing remediation and security best practiceProvide 2nd/3rd line technical expertise for complex infrastructure issuesWork closely with senior stakeholders, technical teams and third-party vendorsEnsure solutions are scalable, resilient and aligned with enterprise standards Technologies: AzureCloudFirewallLANNetworkSecurityVPN More:

We are an established organisation investing heavily in our network, infrastructure and cyber security capabilities. Based in South West London, this role offers an office-based start for the first 6 months before moving to a hybrid model of 3 days in the office and 2 from home following probation. We offer a salary of £55,000 to £60,000 plus benefits, with flexibility for exceptional candidates. This is an opportunity to take ownership of enterprise infrastructure, lead transformation projects and influence network strategy, modernisation and security initiatives.

last updated 29 week of 2026

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