Senior Network Engineer 

£65K-£75K + Generous benifits 

Cheltenham

I’m working with a tech‑driven organisation that’s looking for a DV Cleared hands‑on Senior Network Engineer to take ownership of a modern, complex Juniper environment. If you enjoy designing, building, and improving high‑performance networks and want real influence over future architecture this is a strong fit.

What you’ll be doing

• Designing and leading improvements across core, distribution, and data centre networks
• Working heavily with Juniper MX / EX / QFX / SRX
• Driving SDN adoption using Juniper Apstra
• Delivering scalable EVPN/VXLAN underlay/overlay designs
• Improving routing, security, and performance across BGP, OSPF, MPLS
• Automating wherever possible using Ansible / Python / Terraform
• Supporting virtual networks across ESXi, KVM, Proxmox

What they’re looking for

• Strong Juniper engineering experience (design + build + troubleshoot)
• Solid SDN, automation, and IaC skills
• Deep understanding of routing, switching, and data centre fabrics
• Experience with firewalls, VPN, load balancers, DCI, segmentation, monitoring tools
• Eligible Developed vetting clearance (DV)

Why it’s a great role

• High autonomy, big technical scope
• Modern Juniper environment with major transformation projects
• Chance to genuinely shape architecture and introduce automation