Senior Cyber Security Engineer- Dublin Ireland ( Hybrid)My client is looking for an experienced Senior Cyber Security Engineer to play a key role in protecting and strengthening the organisation's IT environment on a Permanent Basis.The Job:Monitoring, investigating, and responding to security alerts and incidents using SIEM, EDR/XDR, and Microsoft 365 security toolsPerforming root cause analysis and leading remediation activities to contain and resolve security incidentsManaging and optimising Microsoft 365 security controls including Defender, Conditional Access, MFA, and Entra IDContinuously improving Microsoft Secure Score, compliance dashboards, and overall cloud security postureTracking vulnerabilities, monitoring CVEs, and driving remediation through patching, configuration, or design changesSupporting system, server, and endpoint hardening across cloud and on-prem environmentsAssisting with patch compliance, security baselines, and configuration standardsOperating within ITIL-aligned Incident, Problem, and Change Management processesProducing high-quality documentation, runbooks, and standard operating proceduresSupporting governance, risk, and compliance activities including ISO27001 and GDPRCollaborating with network teams to secure firewalls, VPNs, proxies, and network trafficInvestigating network-based security events such as abnormal traffic patterns or lateral movementContributing to continual service improvement initiatives for cyber security operationsHave You:5+ years' experience in cybersecurity engineering or operationsStrong hands-on experience with Microsoft 365 security, Azure, SIEM, EDR/XDR, and vulnerability managementSolid understanding of identity, endpoint, and network security principlesExperience working within ITIL-based operational environmentsAbility to automate tasks using PowerShell or similar scripting toolsStrong analytical, troubleshooting, and problem-solving skillsExcellent written and verbal communication skillsRelevant certifications such as CISSP, CISM, CEH, Microsoft SC/AZ, or ITIL (highly desirable)A proactive, adaptable mindset with a strong focus on continuous improvementIf you would like to discuss this vacancy further or to discuss your career options in confidence, please send your profile to**-Berkley Business & Technology is a specialist consultancy, recruiting professionals for organizations throughout Ireland, UK & Europe; for more information go to www.berkley-**