Senior Network Security Engineer (Onsite) London

N Consulting Limited; Guildford; On-site; GBP 65,000 - 75,000; Full time

Job summary

A leading consulting firm is seeking a Senior Network Security Engineer to manage and configure security infrastructure, ensuring compliance with standards such as ISO 27001 and NIST. The ideal candidate will have 7+ years of experience and expertise in Cisco ISE, ASA/FTD, and Check Point firewalls. Responsibilities include troubleshooting, project leadership for security installations, and maintaining operational procedures. This full-time position is based in Guildford, requiring strong analytical and communication skills.

Qualifications

• 7+ years of experience in enterprise Network Security.
• Expert level understanding of Cisco ISE and ASA/FTD.
• Experience with Check Point R80.x and F5 APM.

Responsibilities

• Manage security infrastructure operations and engineering tasks.
• Perform installations, configurations, and deployments of security devices.
• Lead projects for firewall replacements and migrations.
• Act as a subject matter expert for network security issues.
• Ensure compliance with security governance and best practices.

Skills

Cisco ISE

Cisco ASA/FTD

Check Point R80.x

F5 APM

Cisco Switching/Routing

Wireshark

Python

Ansible

cloud networking (AWS/Azure)

Job description

A leading consulting firm is seeking a Senior Network Security Engineer to manage and configure security infrastructure, ensuring compliance with standards such as ISO 27001 and NIST. The ideal candidate will have 7+ years of experience and expertise in Cisco ISE, ASA/FTD, and Check Point firewalls. Responsibilities include troubleshooting, project leadership for security installations, and maintaining operational procedures. This full-time position is based in Guildford, requiring strong analytical and communication skills.