IT Security Officer

Company: Proactive Appointments
Apply for the IT Security Officer
Location: London
Job Description:

IT Security Officer (ISO)


We’re seeking an experienced IT Security Officer to join a financial services organisation, supporting the protection of critical systems, infrastructure and sensitive data.


You’ll lead risk-based security assurance activities, manage third-party assessments, identify vulnerabilities and drive remediation, while strengthening information security governance and controls across the business.


Key requirements:



  • 3+ years’ experience in Information Security or a highly regulated UK sector.

  • Knowledge of NIST CSF 2.0, ISO 27001, and information security frameworks.

  • Experience in security risk assessments, audits, governance and vulnerability remediation.

  • Strong technical understanding of cybersecurity, IT systems, and software development.

  • Information Security qualification (degree, CISSP or CISM), achieved or in progress.

  • Experience with PCI DSS, SWIFT, DLP or cyber incident response is advantageous.

  • Excellent stakeholder management, communication and analytical skills.


This is an excellent opportunity for a proactive security professional to influence security strategy, work with internal teams and external partners, and strengthen the organisation’s overall cyber security posture.

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Posted: October 25th, 2026