SYSTEM ADMINISTRATOR -INFRASTRUCTURE

To administer, maintain, secure and optimize the organization’s IT infrastructure, including servers, operating systems, storage, virtualization platforms, backups, disaster recovery systems and related infrastructure services, ensuring high availability, reliability, performance and security of technology services that support business operations.The role is responsible for proactive monitoring, incident resolution, system maintenance, backup and recovery, patching, capacity management and infrastructure improvements, while ensuring compliance with ICT policies, security standards and business continuity requirements.Infrastructure and Systems Administration• Maintain reliable operation of servers, storage, operating systems and core infrastructure.• Perform configuration, patching, upgrades and capacity management.• Monitor infrastructure performance and availability.Backup, Disaster Recovery and Business Continuity• Ensure successful backups and restoration testing.• Monitor DR replication and participate in failover/DR tests.• Maintain recovery procedures and ensure agreed RPO/RTO requirements are met.Infrastructure Security• Implement and maintain server security controls and hardening standards.• Ensure timely application of security patches and updates.• Manage privileged/system accounts in accordance with access-control requirements.• Support vulnerability remediation, audits and security reviews.User and Access Administration• Manage user accounts, system access, roles and privileges in accordance with approved procedures. • Ensure timely provisioning, modification and revocation of access and support periodic access reviews.Service Support and Incident Management• Resolve infrastructure incidents within agreed SLAs.• Perform root-cause analysis and implement corrective actions.• Provide technical support to users and other ICT teams and minimize recurring incidents.Change and Configuration Management• Ensure infrastructure changes are properly assessed, authorized, tested, implemented and documented. • Maintain accurate configuration records and minimize incidents arising from unauthorized or unsuccessful changes.• Coordinate infrastructure maintenance and...