Network Security Engineer

Fynity; England; On-site; GBP 46,000 - 55,000; Full time

Job summary

A leading technology company in the UK is seeking a Network Security Engineer (NOC) to ensure network reliability and security. In this role, you will support incident triage, design secure network solutions, and collaborate with teams to enhance performance. The ideal candidate will have a strong understanding of network protocols and experience in a 24x7 NOC environment. This position offers a salary up to £55,000 plus benefits.

Qualifications

• Strong understanding of network protocols and security practices.
• Experience with network monitoring and security tools.
• Ability to work in a fast-paced, complex environment.

Responsibilities

• Support incident triage with the SOC.
• Design and implement secure network solutions.
• Collaborate across teams to identify vulnerabilities.

Skills

Strong understanding of TCP/IP, DNS, routing, switching, VLANs, load balancing

Experience as a NOC or Network Security Engineer in a 24x7 setting

Hands-on with Cisco, Checkpoint, Palo Alto firewalls

Familiar with IPS/IDS, SSL decryption, deep packet inspection

Experience managing Bluecoat or F5 proxies

Knowledge of IPSec, SSL/TLS, VPNs, 2FA, DMZ architectures

Comfortable with monitoring tools like PRTG or Nagios

Job description

Network Security Engineer (NOC)

Salary: Up to £55,000 + shift allowance + bonus
Security Clearance: Must hold active DV clearance.

Join a forward‑thinking team as a Network Security Engineer (NOC), helping to protect and optimise critical network infrastructure. You’ll work within a 24x7 ISR and NOC environment, ensuring network reliability while defending against evolving threats.

In this hands‑on Network Security Engineer role, you’ll support incident triage with the SOC, design and implement secure network solutions, and collaborate across teams to identify vulnerabilities and improve performance. You’ll also help optimise NOC tools and standardise network security platforms for greater resilience.

What you’ll bring as a Network Security Engineer.

• Strong understanding of TCP/IP, DNS, routing, switching, VLANs, and load balancing
• Experience as a NOC or Network Security Engineer in a 24x7 setting
• Hands‑on with Cisco, Checkpoint, and Palo Alto firewalls
• Familiar with IPS/IDS, SSL decryption, and deep packet inspection
• Experience managing Bluecoat or F5 proxies
• Knowledge of IPSec, SSL/TLS, VPNs, 2FA, and DMZ architectures
• Comfortable with monitoring tools like PRTG or Nagios

Desirable

Experience with Darktrace, Splunk, or LogRhythm; packet capture analysis; SOC collaboration; and troubleshooting network flows.

If you’re a Network Security Engineer (NOC) who thrives in fast‑paced, complex environments, this is a great chance to make a tangible impact on network security and operational excellence.