Senior Enterprise Network Engineer (UK) – SC Clearance

Experis Austria; United Kingdom; Hybrid; GBP 120,000 - 155,000; Full time

Job summary

Experis Austria is seeking a Network Engineer to join a high-profile programme delivering critical infrastructure in a secure environment. You will design, implement and support enterprise network infrastructure across physical and virtual environments, ensuring robust, secure, and scalable networking for mission-critical systems.

The role requires strong Cisco expertise with OSPF/BGP, VXLAN, and secure segmentation. SC clearance or eligibility is essential.

Qualifications

• Strong experience in enterprise network engineering across design, implementation and support.
• Solid understanding of TCP/IP, subnetting, routing and address management.
• Hands-on with OSPF and BGP routing protocols.
• Experience with enterprise networking equipment including routers, switches and firewalls.
• Experience with Cisco Nexus, IOS-XE, VXLAN and leaf-spine architectures.
• Knowledge of network security technologies including firewalls, IDS/IPS and AAA platforms.
• Ability to produce technical documentation such as LLDs and build guides.
• CCNP Enterprise or equivalent certification preferred.

Responsibilities

• Design, implement, and support enterprise network infrastructure across physical and virtual environments.
• Configure and manage routers, switches and firewalls.
• Deliver modern network architectures including leaf-spine, SDN and virtualised networking.
• Configure routing protocols and implement core network services like IP addressing, VLANs and QoS.
• Deploy overlay networking technologies such as VXLAN and secure networking policies.
• Produce and maintain technical documentation and runbooks.
• Collaborate with service management to troubleshoot incidents and improve stability.
• Contribute to automation and continuous improvement initiatives.

Skills

Enterprise network engineering

IP networking fundamentals

OSPF

BGP

Routers

Switches

Firewalls

VXLAN

Leaf-Spine

Cisco Nexus

Cisco IOS-XE

Security technologies

QoS

LLDs

Troubleshooting

JIRA

Confluence

Tools

JIRA

Confluence

Job description

Experis Austria is seeking a Network Engineer to join a high-profile programme delivering critical infrastructure in a secure environment. You will design, implement and support enterprise network infrastructure across physical and virtual environments, ensuring robust, secure, and scalable networking for mission-critical systems.

The role requires strong Cisco expertise with OSPF/BGP, VXLAN, and secure segmentation. SC clearance or eligibility is essential.