Juniper Network Engineer

Newbury, Berkshire
TRIA

Juniper Network Engineer
initial 6 month contract – 575 – 650 a day – outside IR35

Fully onsite role based – Newbury – (9-day fortnight, every other Friday off)

Active DV Clearance is essential

We are seeking an experienced Contract Juniper Network Engineer to design, implement, and support enterprise-grade LAN/WAN/WLAN environments.

The successful candidate will play a key role in delivering secure, highly available, and scalable network solutions leveraging Juniper technologies, with integration into cloud platforms such as Amazon Web Services (AWS) and Microsoft Azure.

Key Responsibilities

• Design and implement enterprise LAN/WAN/WLAN networks using Juniper technologies
• Plan and deploy high-availability, resilient, and scalable network architectures
• Integrate on-premise infrastructure with cloud platforms (AWS, Azure)
• Configure and manage Juniper routers, switches, and firewalls
• Implement and administer network security solutions
• Provide advanced troubleshooting and root-cause analysis across network environments
• Monitor, maintain, and optimise network performance and capacity
• Implement network automation using scripting (e.g., Python, Ansible, or similar)
• Produce and maintain:
  • Network diagrams
  • Standard Operating Procedures (SOPs)
  • Runbooks
  • Configuration and support documentation
• Participate in an on-call rota (details to be confirmed)

Required Skills & Experience

• Proven experience designing and implementing enterprise networks using Juniper technologies
• Strong hands-on configuration experience with:
  • Juniper routers (MX series or equivalent)
  • Juniper switches (EX/QFX series)
  • Juniper SRX firewalls
• Solid understanding of:
  • Routing protocols (BGP, OSPF, IS-IS)
  • VLANs, MPLS, VPNs
  • High-availability and failover technologies
• Experience integrating enterprise networks with AWS and/or Azure
• Strong troubleshooting capability in complex, multi-site environments
• Experience implementing security controls and firewall policies
• Network automation experience (Python, Ansible, Junos automation, or similar)
• Ability to produce clear technical documentation

Desirable Experience

• Experience working in secure or highly regulated environments
• Exposure to multi-site enterprise or critical infrastructure networks
• Familiarity with monitoring and performance management tools

This is an urgent role so if you’re interested please send your CV asap