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.
Senior Information Security Administrator
Ireland
Permanent
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