Senior Cybersecurity Engineer

  • Dublin
  • Permanent
  • Thu Aug 27 16:24:20 2026
  • 243718

Senior Cybersecurity Engineer

We are seeking a Senior Cybersecurity Engineer to join a growing technology and security function within a complex enterprise environment.

This is a broad, hands-on cybersecurity role combining security engineering, security operations, risk management and governance. You will play a key role in strengthening security controls across cloud, infrastructure, network and endpoint environments while supporting the organisation's ISO 27001-aligned security framework.

Key Responsibilities

  • Manage and continually improve the organisation's ISMS and support ISO 27001 certification and audits.
  • Identify, assess and manage information security risks and remediation plans.
  • Administer and improve security across Azure, VMware, Windows Server and Active Directory.
  • Manage and monitor EDR/XDR, SIEM/SOC, firewalls, WAF and vulnerability management technologies.
  • Support incident response, security investigations and ongoing improvements to detection and response.
  • Maintain secure firewall configurations, system hardening standards and access controls.
  • Coordinate vulnerability assessments, penetration testing and remediation programmes.
  • Conduct security assessments, internal audits and information classification exercises.
  • Develop and test incident response and crisis management plans.
  • Provide security guidance to technical teams and senior business stakeholders.
  • Support security governance, reporting, awareness and wider cybersecurity initiatives.

About You

  • 8+ years' experience in cybersecurity, information security, security engineering or infrastructure security.
  • Strong practical experience with ISO 27001 / ISMS.
  • Hands-on experience across cloud, network, endpoint and infrastructure security.
  • Strong knowledge of Azure, Windows Server and Active Directory security.
  • Experience with EDR/XDR, SIEM/SOC, firewalls and vulnerability management.
  • Understanding of network security, OWASP, TLS/PKI, encryption and least privilege.
  • Experience coordinating penetration testing and security remediation.
  • Strong risk management, incident investigation and stakeholder management skills.
  • Relevant certification such as CISSP, CISM, CISA, SSCP or equivalent is highly desirable.
  • ISO 27001 training or practitioner experience would be advantageous.

This is an excellent opportunity for a senior security professional looking for a role with significant technical ownership while also influencing security governance, risk and compliance across a broad technology environment.

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