Network Security Engineer - Stevenage

IT
Ref: 8912 Date Posted: Tuesday 19 Aug 2025
Network Security Engineer
 
Location:        Stevenage
 
What’s on offer:
Alongside a competitive salary of circa £55,000 + shift allowance, enjoy a generous pension scheme, overtime, bonus incentives, and extensive leave options.
 
If you’re passionate about safeguarding networks and possess strong expertise with industry-leading security tools, this Network Security Engineer position could be a perfect opportunity for you.
 
What you’ll be doing as the Network Security Engineer
  • Supporting 24/7 security operations as part of the Internal Security Response (ISR) team, with a focus on incident response and triage.
  • Designing, implementing, and maintaining robust security solutions around network infrastructure.
  • Collaborating with cross-functional teams to enhance security policies, identify vulnerabilities, and optimise network tools.
  • Engaging with firewalls such as Checkpoint, Cisco, or Palo Alto, and managing secure proxy solutions like Bluecoat and Riverbed.
  • Monitoring, troubleshooting, and fine-tuning network architectures, routing, switching, VLANs, and load balancing features.
 
Network Security Engineer experience & skills
  • Strong understanding of networking principles - TCP/IP, DNS, routing, switching, VLANs, and load balancing.
  • Hands-on experience configuring, maintaining and troubleshooting firewalls (Checkpoint, Cisco, Palo Alto, Bluecoat).
  • Knowledge of IPS/IDS, SSL decryption, deep packet inspection, and VPNs.
  • Experience managing secure proxy solutions, and monitoring platforms like Nagios or PRTG.
  • Familiarity with security protocols such as IPSec, SSL/TLS, and two-factor authentication.
 
Security clearance is essential – applicants must be British citizens and will undergo DV clearance.
 
Get in touch
If you meet the criteria and are eager to make an impact within a forward-thinking, innovative environment, we welcome your application.

 

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