We are seeking a highly skilled and proactive Senior Infrastructure Engineer to manage and support enterprise infrastructure operations with a strong focus on patch compliance, vulnerability remediation, endpoint security, and systems administration. The ideal candidate will possess hands-on expertise in Windows infrastructure, Active Directory, VMware, Intune, Microsoft Defender, and security compliance operations. This role will also support internal IT operations, auditing activities, and infrastructure security initiatives while collaborating across technical and operational teams to ensure a secure and compliant environment. Key Responsibilities Infrastructure & Systems Administration Administer and maintain enterprise infrastructure including: Windows Servers Active Directory Azure Entra / Intune VMware virtualization environment Group Policy Management Manage user accounts, permissions, organizational units, and security policies. Monitor infrastructure health, system availabili...