We are partnering with a growing financial services organisation in Dublin to hire an experienced VMware & Windows Server Administrator. This role will sit within a secure, enterprise-scale infrastructure team, supporting core virtualisation and identity platforms in a highly regulated environment. The successful candidate will play a key role in maintaining platform stability, strengthening security controls, and driving continuous improvement across the infrastructure estate. This position also acts as a senior escalation point for complex technical issues.Key ResponsibilitiesManage and optimise VMware environments (vSphere, vCenter, ESXi), including clusters, resource allocation, and high availabilityAdminister Active Directory services including users, groups, GPOs, and domain controllersSupport and maintain Windows Server environments to ensure performance, resilience, and securityAct as escalation point for complex Level 2 infrastructure incidentsExecute and document monthly control activities including patching, vulnerability management, system hardening, backup validation, and capacity reviewsSupport disaster recovery planning and recovery testingDrive remediation of technical debt and contribute to infrastructure improvement initiativesExperience Required3–5 years' experience in VMware and Windows Server administrationStrong expertise in VMware (vSphere, vCenter, ESXi)Solid Active Directory and Group Policy experienceUnderstanding of DNS, DHCP, and core networking fundamentalsPowerShell scripting for automation and operational efficiencyExperience working in a regulated or compliance-driven environmentWorking knowledge of ITIL practicesRelevant certifications such as VCP or Microsoft certifications are advantageous.How to Apply:If you are interested in this role, please apply with your updated CV.