Network Engineer
1 day ago
City of London
Network & Infrastructure Engineer Location: London / Hybrid Salary: £40,000-£60,000 Overview We are seeking an experienced Network & Infrastructure Engineer to design, implement, and support secure, scalable, and high-performing technology environments across our organisation. This is an exciting opportunity to work at the cutting edge of Smart Building applications, IoT, IT/OT convergence to integrate building auto; HVAC, lighting, security and IoT with enterprise IT Systems. This is a hybrid technical and stakeholder-facing role, combining hands-on engineering expertise with project delivery and business engagement skills. You’ll lead network and infrastructure initiatives end-to-end — from understanding user needs and translating them into technical designs, through to deployment, documentation, and optimisation. The ideal candidate will have a strong grounding in network and security technologies, cloud infrastructure, and project management, with the ability to communicate effectively across technical and non-technical teams. Key Responsibilities Network & Infrastructure Design • Design, deploy, and maintain network infrastructure including LAN/WAN, wireless, VPN, and firewalls., • Configure and manage network segmentation, VLANs, and routing to support secure and efficient data flow., • Oversee server, storage, and virtualisation environments (on-premise and/or cloud)., • Ensure network and infrastructure security align with organisational policies and standards (ISO27001, GDPR, etc.)., • Configure and monitor firewalls, intrusion detection/prevention systems, and endpoint security solutions., • Support identity and access management, MFA, and secure network access policies., • Lead infrastructure and network projects from scoping through delivery, ensuring quality, cost, and time objectives are met., • Define technical requirements and translate business needs into deliverable solutions., • Develop and maintain project documentation including architecture diagrams, risk registers, and deployment guides., • Manage vendors, suppliers, and third-party contractors to ensure aligned delivery outcomes., • Act as a trusted advisor to internal teams and business units, gathering and translating technical requirements into actionable solutions., • Collaborate closely with IT, Operations, Security, and external partners to ensure seamless integration and delivery., • Communicate complex technical concepts in clear, non-technical language for diverse audiences., • Provide third-line support for network and infrastructure incidents and escalations., • Monitor system performance and implement improvements to enhance reliability and scalability., • Maintain detailed documentation of infrastructure, configurations, and changes., • Participate in an on-call or escalation rota as required. Qualifications & Experience Essential: • 5+ years’ experience in network and infrastructure engineering roles., • Proven experience managing and delivering technical projects end-to-end., • Strong knowledge of IP networking, routing, switching, VLANs, VPNs, and firewall configuration (Cisco, Fortinet, Palo Alto, etc.)., • Hands-on experience with cloud platforms (Microsoft Azure, AWS, or equivalent)., • Familiarity with Active Directory, Azure AD, DNS, DHCP, Group Policy, and M365 environments., • Strong understanding of cybersecurity principles, access control, and encryption standards., • Relevant certifications (CCNA, CCNP, CompTIA Network+/Security+, Azure Administrator, etc.)., • Experience with infrastructure automation or scripting (PowerShell, Python)., • Knowledge of monitoring and observability tools (SolarWinds, PRTG, Grafana, etc.)., • Experience with ITIL practices and ServiceNow or equivalent ticketing systems. Personal Attributes • Technically curious, proactive, and solutions oriented., • Confident engaging with technical and business stakeholders alike., • Comfortable balancing hands-on technical work with structured project delivery., • Strong organisational and time-management skills with a focus on quality and outcomes. Why Join Us • Be part of a forward-thinking technology function driving innovation and digital transformation., • Work on diverse infrastructure and security projects with tangible business impact., • Opportunities for ongoing professional development and certification., • Supportive and collaborative environment where technical excellence is valued.