Senior Network Security Engineer

Network Security Engineer – London (Hybrid) - £75,000 - £100,000 + Bonus + Benefits

We’re looking for a skilledNetwork Engineerto join our clients dynamic team. In this role, you’ll design, implement, and maintain critical networking infrastructure while driving automation and efficiency.

Key Responsibilities:

• Oversee the design, implementation, and maintenance of Cisco ACI infrastructure.

• Develop automation solutions for network tasks using Python, Ansible, and Terraform.

• Engineer and support enterprise-grade network systems, including Cisco routers, Nexus data centre switches, and wireless LAN controllers.

• Configure and manage Palo Alto firewalls, ensuring adherence to robust security standards.

• Deploy and administer network access control solutions with Cisco ISE (802.1x and TACACS).

• Optimise uptime and performance using F5 Big-IP load balancers.

• Design and manage advanced routing solutions with protocols such as BGP and OSPF, as well as SD-WAN implementations.

• Utilise tools like SolarWinds to monitor and proactively address network performance issues.

• Maintain high-performing Wi-Fi networks in large office setups.

• Implement and support networking in Azure, including ExpressRoute and virtual network configurations.

• Contribute to a global, 24/7 enterprise environment while mentoring junior team members.

• Provide occasional weekend and on-call support.

What You Bring:

• Extensive experience with Cisco networking, including routers, switches, and wireless infrastructure.

• Deep understanding of Palo Alto firewalls, Panorama, and security tools such as Cisco ISE.

• Hands-on knowledge of F5 Big-IP, routing protocols (BGP, OSPF), and network monitoring with SolarWinds.

• Strong familiarity with Azure cloud networking and virtualisation concepts.

• Advanced scripting and automation skills using tools like Python, Ansible, and Terraform.

• Relevant certifications (e.g., CCNP) or equivalent experience.

• Excellent teamwork and communication abilities.

Opportunities to Grow:

• Personalised mentoring to develop your skills.

• Access to leadership training and professional development initiatives.

• Continuous learning through courses and skill-enhancing opportunities.

Our client offers a great working environment with various progression plans to suite your career goals, in addition to a generous benefits package including a 10% bonus, family private healthcare, a generous pension scheme, 25 days of annual leave, share options, flexible working options, and more.

If this role is of interest, please apply or reach out to Jacob – 01925 978998 /j.collen@locke-mccloud.com

Locke & McCloud are the UK’s leading cyber security & information security staffing company – through having a sole focus on the cyber & information security space we have been able to foster solid relationships with some of the UK’s most exciting cyber security consultancies & end users. Our focus on the information security space allows us to be able to help you find the most exciting.

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