Senior IT Infrastructure & Systems Administrator

The role includes responsibility for IT infrastructure, Microsoft 365, cloud services, cybersecurity, business applications, end-user support, and participation in cross-functional IT and digital transformation projects. Primary Duties & Responsibilities Execute and maintain the company's global IT infrastructure, servers, networks, cloud services, and Microsoft 365 environment. Provide Tier 2/3 Technical Support to employees worldwide by responding to IT service requests, troubleshooting hardware, software, network, and system issues, and ensuring timely resolution. Own and execute end-user IT service requests (tickets), including Help desk operations and daily end-user support to ensure a smooth User Experience. Support employee onboarding and offboarding, including user account management, device provisioning, and access permissions. Administer user accounts, endpoint devices, security policies, backups, and disaster recovery solutions. Maintain and support business applications, including ERP, CRM, HR systems, and collaboration platforms. Implement cybersecurity controls and monitor compliance with company security policies. Lead or participate in IT infrastructure, cloud, automation, and digital transformation projects. Work closely with external vendors and service providers. Collaborate closely with the Senior IT Administrator, sharing knowledge, coordinating day-to-day operational activities, and providing mutual backup to ensure continuous IT support. Prepare and maintain technical documentation, IT procedures, and system configurations.