Senior Network Engineer

Tektora; Basingstoke; On-site; GBP 70,000 - 80,000; Full time

Job summary

A leading tech consultancy in the UK seeks a Senior Network Engineer with expertise in F5 and Juniper. The role entails delivering network designs, building and operating F5 BIG-IP, and implementing Juniper solutions. The position requires active and transferable DV clearance and offers a salary of £70,000 - £80,000 with on-site work in Hampshire.

Qualifications

• Proven experience as a Senior Network Engineer with expertise in F5 and Juniper.
• Strong documentation and communication skills required.
• Previous experience in enterprise or regulated environments.

Responsibilities

• Deliver network designs (HLD/LLD, configs, standards).
• Build and operate F5 BIG-IP (LTM, ASM; ideally APM, DNS/GTM, AFM).
• Implement Juniper EX/QFX/SRX/MX with OSPF/BGP, QoS, HA.

Skills

F5 expertise

Juniper expertise

Documentation

Communication

Job description

Overview

Senior Network Engineer - F5 / Juniper (DV Cleared)

• Type: Permanent
• Salary: £70,000 - £80,000
• Location: Hampshire (on-site, 5 days/week) + ad-hoc Gloucestershire
• Start Date: January 2026
• Clearance: Active & transferable DV clearance required

Tektora are proud to be partnering with a long-standing client who are looking to strengthen their team with a Senior Network Engineer in the New Year. If you're considering a fresh start in January, this could be the ideal opportunity.

What you'll be doing

• Shaping and delivering network designs (HLD/LLD, configs, standards).
• Building and operating F5 BIG-IP (LTM, ASM; ideally APM, DNS/GTM, AFM).
• Implementing Juniper EX/QFX/SRX/MX with OSPF/BGP, QoS, HA, ZTP and standardised rollouts.
• Applying zero-trust segmentation and identity-aware controls.
• Integrating Infoblox (DDI/IPAM) solutions.
• Executing FAT/SAT, failover/rollback, producing runbooks, and providing 3rd-line support.

What we're looking for

• A proven Senior Network Engineer with hands-on F5 and Juniper expertise.
• Strong documentation and communication skills.
• Previous experience within enterprise or regulated environments.
• Active and transferable DV clearance (essential).

If you're looking for a new challenge in the New Year and hold the right experience and DV clearance, we'd love to hear from you