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.