Hybrid Network Engineer – Enterprise & Secure Infra

Quast Ltd; Corsham; Hybrid; GBP 61,000 - 101,000; Full time

Job summary

Quast Ltd in Corsham is seeking an experienced Network Engineer to deliver hands-on engineering support to the OpNET programme, designing, building and supporting enterprise network infrastructure across physical and virtual environments.

The role requires UK Security Clearance (SC), familiarity with OSPF, BGP, VXLAN and leaf-spine architectures, and the ability to produce design documents, build guides and runbooks. The contract runs 1 October 2026 to 31 March 2028, with 4 days on site per week.

Qualifications

• Strong experience in network engineering design and troubleshooting.
• Knowledge of IP networking fundamentals including subnetting.
• Experience with routing protocols, including OSPF and BGP.
• Experience with enterprise network technologies such as Cisco Nexus and VXLAN.
• Ability to produce technical documentation (LLDs, build guides, runbooks).
• CCNP or equivalent certification.

Responsibilities

• Design, build and support enterprise network infrastructure.
• Implement and manage core networking components: routers, switches, firewalls.
• Deliver network solutions using leaf-spine and SDN concepts.
• Support routing protocols and network services (IP addressing, QoS).
• Prepare design documents, build guides and runbooks.
• Assist with system integration, testing and live operations.

Skills

Network engineering

Subnetting

OSPF & BGP

Routers & switches

Firewalls

VXLAN

Leaf-Spine

Documentation

Troubleshooting

Security concepts

Education

CCNP or equivalent

Tools

Cisco Nexus

IOS XE

VXLAN

Leaf-Spine

Job description

Quast Ltd in Corsham is seeking an experienced Network Engineer to deliver hands-on engineering support to the OpNET programme, designing, building and supporting enterprise network infrastructure across physical and virtual environments.

The role requires UK Security Clearance (SC), familiarity with OSPF, BGP, VXLAN and leaf-spine architectures, and the ability to produce design documents, build guides and runbooks. The contract runs 1 October 2026 to 31 March 2028, with 4 days on site per week.