Network Engineer

Network Engineer

£550 per day (Outside IR35)

Initial 6 Month Contract

London (Hybrid – 2 to 3 days per week)

Overview

We're looking for an experienced Network Engineer / Network Designer to join a major enterprise transformation programme delivering large-scale network and security projects across a complex hybrid infrastructure. This is a project-focused role with no BAU or operational support responsibilities.

You'll play a key role in designing, implementing and documenting network changes across cloud and on-premise environments, working with a broad range of modern networking, security and automation technologies. This is an excellent opportunity to join a high-profile programme focused on network modernisation, cloud adoption and secure enterprise connectivity.

Role & Responsibilities

• Produce High and Low Level Designs (HLDs/LLDs), network diagrams, and technical documentation.
• Design and implement enterprise network solutions across hybrid cloud and on-premises environments.
• Configure and deliver changes across Cisco, Fortinet, Palo Alto, Juniper, and Azure networking technologies.
• Implement routing, segmentation, cloud connectivity, IPSec VPNs, Azure networking (VNets, NSGs, Azure Firewall, VPN Gateway, ExpressRoute), and Zero Trust solutions.
• Contribute to Cisco ACI, Juniper Mist, and F5 LTM deployments.
• Develop implementation plans, migration runbooks, testing documentation, and technical handover artefacts.
• Support enterprise network transformation, cloud migration, and infrastructure modernisation programmes.
• Automate network configuration and deployment using Python, Terraform, GitHub, or similar tools.
• Maintain accurate technical documentation to enterprise standards.

Skills & Experience

• Proven experience designing and delivering enterprise network solutions.
• Strong knowledge of routing and switching (BGP, OSPF, VLANs, NAT, QoS, IPSec VPN).
• Hands-on experience with Cisco ACI, Juniper Mist, and enterprise firewalls (Fortinet, Palo Alto, and/or Juniper SRX).
• Strong Azure networking experience, including hybrid connectivity and cloud security.
• Experience implementing Zero Trust solutions using Zscaler ZIA and/or ZPA.
• Experience with F5 LTM is desirable.
• Automation experience with Python, Terraform, GitHub, and/or Ansible.
• Experience delivering network transformation and migration projects.
• Excellent technical documentation, communication, and stakeholder management skills.