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).
* Implement and maintain cloud connectivity and hybrid networking (Azure/AWS VPNs, ExpressRoute, etc.).
Security & Compliance
* 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.
* Conduct regular vulnerability assessments, patch management, and system hardening.
Project Management & Delivery
* 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.
* Apply structured project management methodologies (Agile, Prince2, or hybrid).
Stakeholder Engagement & Collaboration
* 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 updates and reports on project progress, risks, and mitigations to leadership and stakeholders.
Operations & Support
* 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.
* Excellent communication, stakeholder engagement, and documentation skills.
Desirable:
* 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.