Senior Network Security Engineer
Role Description & Technical Scope
<p class="text-muted mb-3">Senior Network Security Engineer</p>
<p class="text-muted mb-3">Permanent</p>
<p class="text-muted mb-3">£50,000 - £70,000</p>
<p class="text-muted mb-3">10-15% Performance Bonus + more benefits</p>
<p class="text-muted mb-3">Location: Hybrid - Office in Sheffield City Centre</p>
<p class="text-muted mb-3">Your new company</p>
<p class="text-muted mb-3">Due to continued organisational growth, I'm back on the lookout for some talented Network Security Engineers to work in a managed service environment in Sheffield.</p>
<p class="text-muted mb-3">This is a fantastic opportunity to progress your network security career with one of the UK's most renowned organisations in a managed service environment.</p>
<p class="text-muted mb-3">Your new role will involve</p>
<p class="text-muted mb-3">Joining the existing Network Security team In tandem with the SOC</p>
<p class="text-muted mb-3">Looking for exposure to vulnerabilities</p>
<p class="text-muted mb-3">Setting up, maintaining, patching and upgrading customer's firewalls (typical vendors: Cisco, Fortinet, Palo Alto, Checkpoint)</p>
<p class="text-muted mb-3">Actively working on client Firewalls</p>
<p class="text-muted mb-3">Completing firewall upgrades</p>
<p class="text-muted mb-3">Running IPS and IDS</p>
<p class="text-muted mb-3">Performing log reviews</p>
<p class="text-muted mb-3">General BAU e.g., VPN creation</p>
<p class="text-muted mb-3">Facing a variety of clients and helping set up, maintain, monitor, and secure their networks</p>
<p class="text-muted mb-3">Dealing appropriately with major incidents</p>
<p class="text-muted mb-3">Making sure appropriate steps are in place and followed for the remediation of vulnerabilities</p>
<p class="text-muted mb-3">Performing safe upgrades and patches where required</p>
<p class="text-muted mb-3">Providing accurate and informed security insights internally and with the organisation's customers</p>
<p class="text-muted mb-3">Making sure levels of incident response are appropriate</p>
<p class="text-muted mb-3">What you'll need to succeed</p>
<p class="text-muted mb-3">A good background in Network Security within a large scale complex organisation</p>
<p class="text-muted mb-3">Experience setting up, maintaining, and upgrading firewalls</p>
<p class="text-muted mb-3">In depth experience of any of the following: Fortinet, Cisco ASA/Firepower, Checkpoint or Palo Alto is crucial</p>
<p class="text-muted mb-3">Experience within a large scale, complex organisation is necessary - managed service/consultancy/B2B prior experience would be highly beneficial too</p>
<p class="text-muted mb-3">Recent experience dealing with major incidents with networks and firewalls</p>
<p class="text-muted mb-3">Top end salaries for this role will require some industry certifications (e.g. Fortinet NSE 4/ NSE 5/ NSE 6/ NSE 7, Checkpoint CCSA/CCSE, Palo Alto PCNSA/PCNSE, Cisco CCNA/CCNP) and in depth experience of the above.</p>
<p class="text-muted mb-3">Eligibility to get SC clearance</p>
<p class="text-muted mb-3">What you'll get in return</p>
<p class="text-muted mb-3">In addition to a competitive salary of between £50,000 - £70,000 depending on relevant industry experience and live certifications, you can look forward to the following benefits and more:</p>
<p class="text-muted mb-3">10% on target bonus - can be paid up to 15% based on performance</p>
<p class="text-muted mb-3">Study leaves and Network Security certifications paid for</p>
<p class="text-muted mb-3">Internal progression opportunities</p>
<p class="text-muted mb-3">25 days annual leave (plus bank holidays)</p>
<p class="text-muted mb-3">Generous Pension Scheme</p>
<p class="text-muted mb-3">Flexible working arrangements</p>
<p class="text-muted mb-3">Company specific benefits</p>
<p class="text-muted mb-3">What you need to do nowIf you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.</p>
<p class="text-muted mb-3">Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at (url removed)</p>
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Key Details
- Date Posted: 15 Sep 2026
- Location: Sheffield, South Yorkshire
- Employment: Permanent
- Workplace: Hybrid
- Clearance: SC Cleared
- Domain: IT
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