Senior IT Security AnalystCork, Ireland|HybridPermanent | Full-TimeAre you an experiencedMicrosoft/Linux Engineerwith a strong background incloud security and infrastructure? This is an excellent opportunity to join a leading global financial services organization, working within a high-performingIT Security teamthat drives enterprise-wide cybersecurity initiatives and incident response.About the RoleAs aSenior IT Security Analyst, you'll play a key role in engineering and maintaining anenterprise-class hybrid cloud infrastructure. You'll work as part of the internalCyber Security Incident Response Team (CSIRT), contributing to investigations and ongoing security improvements across cloud and on-prem environments.Key ResponsibilitiesDesign, 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 You5+ 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.