Senior IT Security Analyst

📍 Cork, Ireland | Hybrid

💼 Permanent | Full-Time

Are you an experienced Microsoft/Linux Engineer with a strong background in cloud security and infrastructure? This is an excellent opportunity to join a leading global financial services organization, working within a high-performing IT Security team that drives enterprise-wide cybersecurity initiatives and incident response.

About the Role

As a Senior IT Security Analyst, you’ll play a key role in engineering and maintaining an enterprise-class hybrid cloud infrastructure. You’ll work as part of the internal Cyber Security Incident Response Team (CSIRT), contributing to investigations and ongoing security improvements across cloud and on-prem environments.

Key Responsibilities

• Design, implement, and troubleshoot Active Directory, DNS, and Group Policy solutions.
• Manage Active Directory design, replication, and backup/restore procedures.
• Collaborate with Security Architects to develop and deploy secure cloud solutions aligned with best practices.
• Implement and maintain Identity and Access Management (IAM) and cloud security controls.
• Create and manage scripts/automation to streamline security audits, configurations, and risk assessments.
• Monitor and enhance cloud infrastructure to ensure strong security posture.
• Participate in cyber incident investigations, root cause analysis, and preventive measures.
• Maintain clear documentation for systems, processes, and security tools.
• Work within structured change management and ticketing systems.

About You

• 5+ years’ experience across Linux and Windows environments.
• 3+ years’ experience in enterprise-scale cloud security.
• Strong understanding of Windows and Linux security principles.
• Skilled in scripting (Bash, PowerShell, Python) and Infrastructure as Code (IaC) (Terraform, Ansible, etc.).
• Familiar with DevOps methodologies and cloud technologies (AWS, Azure).
• Strong communication and problem-solving skills.
• Ability to manage multiple priorities in a fast-paced, high-pressure environment.
• Relevant certifications (e.g. RHCSA, AWS Solutions Architect, Azure Security, MCSE) are highly desirable.

Why Apply?

• Join a global organization with a strong culture of collaboration and security innovation.
• Work with modern cloud technologies in a dynamic, enterprise-scale environment.
• Excellent career development and certification support.
• Hybrid working model based in Cork.

Interested?

Apply now or reach out directly for a confidential chat about this opportunity.