via Reed · 15 September 2026 ·4 days ago

Senior Network Security Engineer

Hays Specialist Recruitment Limited
Sheffield Full-time GBP 50,000 – 70,000
This listing is from Reed
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Senior Network Security Engineer
Permanent
£50,000 - £70,000
10-15% Performance Bonus + more benefits
Location: Hybrid - Office in Sheffield City Centre

Your new company
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. 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.

Your new role will involve

  • Joining the existing Network Security team In tandem with the SOC

  • Looking for exposure to vulnerabilities

  • Setting up, maintaining, patching and upgrading customer's firewalls (typical vendors: Cisco, Fortinet, Palo Alto, Checkpoint)

  • Actively working on client Firewalls

  • Completing firewall upgrades

  • Running IPS and IDS

  • Performing log reviews

  • General BAU e.g., VPN creation

  • Facing a variety of clients and helping set up, maintain, monitor, and secure their networks

  • Dealing appropriately with major incidents

  • Making sure appropriate steps are in place and followed for the remediation of vulnerabilities

  • Performing safe upgrades and patches where required

  • Providing accurate and informed security insights internally and with the organisation's customers

  • Making sure levels of incident response are appropriate


What you'll need to succeed
  • A good background in Network Security within a large scale complex organisation

  • Experience setting up, maintaining, and upgrading firewalls

  • In depth experience of any of the following: Fortinet, Cisco ASA/Firepower, Checkpoint or Palo Alto is crucial

  • Experience within a large scale, complex organisation is necessary - managed service/consultancy/B2B prior experience would be highly beneficial too

  • Recent experience dealing with major incidents with networks and firewalls

  • 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.

  • Eligibility to get SC clearance


What you'll get in return

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:

  • 10% on target bonus - can be paid up to 15% based on performance

  • Study leaves and Network Security certifications paid for

  • Internal progression opportunities

  • 25 days annual leave (plus bank holidays)

  • Generous Pension Scheme

  • Flexible working arrangements

  • Company specific benefits


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.

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 hays.co.uk

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