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Senior IT Security Engineer

Prime Personnel·City of London (South East England)
£85 000 – £95 000 / year
Vox Summary
  • Role Overview: Implement and maintain security systems, conduct risk assessments, monitor threats, and collaborate on security standards within a 3-person IT Security team.
  • Key Responsibilities: Manage web and email gateways, firewalls, MFA, SSO, certificates, and deliver cyber security awareness training; remediate vulnerabilities from penetration tests.
  • Essential Experience: Knowledge of CrowdStrike EDR, Mimecast, Duo, Okta, Rapid7/Tenable/Nessus, Palo Alto, InTune, Entra ID, and Active Directory.
  • Desirable Skills: Experience with Cisco Secure Access, Cisco Umbrella, Cisco ASA, Digicert, Ivanti, Kali Linux tools, and Microsoft Purview.
  • Conditions & Benefits: Hybrid role working 3 days in London office and 2 days remote; senior level position in IT security.
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Job description

The Senior IT Security Engineer will work alongside colleagues as part of a 3-person IT Security team. You will implement and maintain robust security systems and protocols across the organisation IT infrastructure. You will conduct risk assessments and vulnerability scans, mitigate vulnerabilities identified in penetration testing, and implement preventative measures to protect against cyber threats. You will monitor the security infrastructure and detect and respond to potential threats. You will collaborate with the IT team to ensure compliance with security standards and best practices; you will essentially be a key technical leader in safeguarding sensitive data and systems. Key Responsibilities/Duties: • Manage the Secure Web Gateway • Manage the Email Security Gateway • Carry out vulnerability scans, identify risks, and remediation • Manage the perimeter and VPN firewalls • Manage MFA and SSO • Manage MDM\MAM and Conditional Access • Manage security certificates and keys • Deliver Cyber Security Awareness Training • Remediate vulnerabilities and weaknesses identified during penetration testing Experience – Essential: The successful candidate will have a good working knowledge and experience in managing the majority of the following technology stack • CrowdStrike EDR • Mimecast Mail Security Gateway • Duo • Okta • Rapid7 IVM, Tenable IO or Nessus • Palo Alto Firewalls and Panorama • InTune and Conditional Access • Entra ID, Purview, Defender, Active Directory, DNS, GPO Experience – Desirable: • Cisco Secure Access • Cisco Umbrella • Cisco ASA • Digicert Certificates and Microsoft Certificate Services • Ivanti patching • Kali Linux (NMAP, Metasploit, BurpSuite, John etc) • Microsoft Purview This is a hybrid role working 3 days a week in the London office and 2 days remotely.

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Original source
reed.co.uk
Posted
Jul 17, 2026 · true date
Last verified
yesterday
Quality score
65/100
Salary stated30
Company identified0
applyUrl0
postedAt15
Complete description20

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