L3 Network Security Engineer - Travel & Leisure

Hamilton Barnes Associates Limited; Greater London; On-site; GBP 100,000 - 125,000; Full time

Job summary

A leading IT consultancy firm in West London is seeking an experienced L3 Network Security Engineer for a 6-month contract. You will configure and support enterprise networks, troubleshoot issues, and manage wireless infrastructure. Ideal candidates will have expert experience with Juniper platforms and strong knowledge of network security principles. Competitive day rate of up to £400 is offered for this role, with a start date as soon as possible.

Qualifications

• Expert-level experience with Juniper routing and switching platforms.
• Strong understanding of wireless networking standards.
• Experience with F5 load balancing technologies.

Responsibilities

• Configure and support enterprise-grade networks using Juniper.
• Provide troubleshooting support for networking issues.
• Manage wireless infrastructure for optimal performance.

Skills

Juniper routing and switching platforms

Wireless networking (802.11 standards)

F5 load balancing technologies

Network protocols (BGP, OSPF, VLAN, STP)

Network security principles

Job description

Overview

Are you an experienced L3 Network Security Engineer looking for your next contract role? Join one of the world's leading IT services, consulting, and business solutions organization. Founded in 1968, the company consistently ranks among the top global IT service providers. With a presence in over 50 countries, the company has built a reputation for delivering high-quality technology services across industries including banking, healthcare, telecommunications, and retail.

The leading consultancy firm has partnered with one of the world’s largest airline groups with 600+ aircraft carrying more than 122 million customers to 260 destinations across 91 countries each year. They are currently seeking an experienced L3 Network Security Engineer to join the team on a 6-month contract based in West London. Ready to make a move? Get in touch and apply today!

Key Responsibilities

• Configure, implement, and support enterprise-grade networks using Juniper Routers and Switches.
• Provide troubleshooting and escalation support for complex wired and wireless networking issues.
• Configure and manage wireless infrastructure, ensuring optimal performance and security.
• Assist in the deployment and maintenance of F5 load balancers.
• Collaborate with cross-functional teams to support network upgrades, migrations, and performance tuning.

Required Skills

• Expert-level experience with Juniper routing and switching platforms (eg, MX, EX, SRX).
• Strong understanding of wireless networking (802.11 standards, WLAN controllers, access points).
• Experience with F5 load balancing technologies.
• Proficient in network protocols (BGP, OSPF, VLAN, STP, etc.).
• Solid knowledge of network security principles and best practices.

Duration

• 6 months (View for Extension)

Start Date

• ASAP

Location

• On site in West London

Day Rate

• Up to £400 per day (Inside IR35)