Senior Information Security Administrator

Reference: 53223121_1749556574

My client is hiring an Information Security Lead to help shape and implement its cybersecurity operations, governance, and risk framework. Reporting to the IT Operations & Security Manager, this role is critical in maintaining the organisation's security posture, ensuring compliance, and supporting ongoing IT service resilience.

Key Responsibilities

  • Oversee third-party security tools and services (e.g. firewalls, IDS/IPS, endpoint protection) and monitor vendor SLA adherence.
  • Conduct risk assessments, maintain the security risk register, and manage remediation activities.
  • Lead incident response processes including detection, containment, investigation, and resolution.
  • Develop, implement, and maintain information security policies, procedures, and standards.
  • Ensure compliance with ISO 27001, NIS2, and other regulatory requirements; manage documentation and audits.
  • Coordinate change, risk, and incident management activities across IT security functions.
  • Support secure design and delivery of IT projects and solutions.
  • Manage internal security testing schedules and ensure timely execution and review.
  • Deliver cybersecurity awareness initiatives, training sessions, and effectiveness reporting.
  • Collaborate with vendors and contribute to security procurement and tendering processes.
  • Monitor emerging threats and recommend improvements to maintain a strong security posture.
  • Contribute to the development of long-term IT security strategy and continuous improvement efforts.

Qualifications and Experience

  • Degree in Computer Science, Information Security, or a related field.
  • Minimum 5 years' experience in IT security roles, ideally within regulated or public sector environments.
  • Solid knowledge of ISO 27001 and related frameworks; experience with certified environments.
  • Strong understanding of risk, incident, and change management.
  • Familiarity with security technologies such as SIEM, MFA, encryption, and vulnerability management.
  • Ability to communicate technical issues clearly to non-technical stakeholders.

Preferred

  • Certifications such as CISSP, CISM, or ISO 27001 Lead Implementer.
  • Project management qualifications (Agile, PMP, or Prince2).
  • Understanding of public sector IT governance and regulatory requirements.
  • Knowledge of current threat landscapes, business continuity, and cyber resilience practices.

GCS is acting as an Employment Agency in relation to this vacancy.

£80,000.00 - 85,000.00
Per annum
GBP80000 - GBP85000 per annum

Ireland

Permanent

Added 10/06/2025
Reference: 53223121_1749556574

Senior Information Security Administrator

Ireland
Permanent

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