Network Security Engineer

Network & Security Engineer (Contract)

Location: London (Hybrid)

Contract: Initial 3 months

Start Date: ASAP

Inside IR35

Overview

We are looking for an experienced Network & Security Engineer to support a fast‑growing organisation undergoing IT transformation. This is a hands‑on role covering network operations, cloud infrastructure, and security, with a strong focus on Microsoft and Cisco technologies.

Key Responsibilities

• Support and maintain network and security infrastructure across multiple sites
• Manage and optimise Cisco Meraki (wireless, switching, firewalls)
• Design and support Azure networking (VNets, NSGs, VPNs)
• Monitor performance and resolve network/security issues
• Implement security controls (firewalls, VPNs, access policies)
• Manage identity and access (Azure AD / Entra ID, MFA, Conditional Access)
• Act as a senior escalation point for complex issues

Key Skills & Experience

• 5+ years in Network / Infrastructure / Security roles
• Strong Cisco Meraki and networking fundamentals (DNS, DHCP, routing)
• Experience with Azure networking and cloud environments
• Knowledge of Microsoft 365, Intune, and identity management
• Solid understanding of network security principles
• Experience handling 3rd line / escalations

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