Information Technology_USA - USA_Database Administrator

Role Descriptions: Role OverviewWe are seeking a highly experienced Senior Windows & Linux Administrator with 15+ years of expertise in managing enterprise infrastructure environments. The role requires deep technical knowledge in OS administration| system upgrades| security| monitoring| and production support across mission-critical systems.Key ResponsibilitiesSystem Administration & UpgradesInstall| configure| and upgrade operating systems across Windows and Linux platformsManage installation and upgrades of enterprise applications and runtime environments (e.g.| .NET| Java)Perform firmware and driver upgrades to ensure system compatibility and performanceApply latest OS patches| security updates| and service packs in compliance with enterprise policiesBackup & RecoveryManage and validate full system backups and application data backupsConfigure and maintain VM snapshots for disaster recovery and rollback scenariosEnsure backup jobs are running successfully and validate restoration processes periodicallySecurity & ComplianceInstall| configure| and maintain Antivirus/EDR solutionsApply and enforce enterprise security policies and hardening standardsManage and update certificates across servers and applicationsIdentify and resolve vulnerability and compliance gapsMonitoring & Performance ManagementConfigure and monitor CPU| memory| disk utilization| and system performance metricsMonitor application logs and troubleshoot performance or availability issuesEnsure alerts and monitoring mechanisms are properly configured and optimizedNetwork & ConnectivityTroubleshoot and resolve firewall and port-related issuesCoordinate with network teams to ensure seamless connectivity across environmentsAuthentication & Access ManagementDiagnose and resolve authentication failures (AD/Kerberos issues)Manage integration with enterprise directory services and identity systemsTroubleshooting & Incident ManagementInvestigate and resolve application incompatibilities| missing DLLs/libraries| and runtime issuesProvide L2/L3 support for critical production incidentsPerform root cause analysis and implement preventive measuresCore Skills & ExpertiseStrong expertise in Windows Server and Linux (RHEL/CentOS/Ubuntu) administrationDeep understanding of patch management| security hardening| and vulnerability remediationExperience with virtualization platforms (VMware/Hyper-V) and snapshot managementKnowledge of backup tools| monitoring solutions| and log management systemsStrong knowledge of AD| Kerberos| and authentication mechanisms
Essential Skills: Role OverviewWe are seeking a highly experienced Senior Windows & Linux Administrator with 15+ years of expertise in managing enterprise infrastructure environments. The role requires deep technical knowledge in OS administration| system upgrades| security| monitoring| and production support across mission-critical systems.Key ResponsibilitiesSystem Administration & UpgradesInstall| configure| and upgrade operating systems across Windows and Linux platformsManage installation and upgrades of enterprise applications and runtime environments (e.g.| .NET| Java)Perform firmware and driver upgrades to ensure system compatibility and performanceApply latest OS patches| security updates| and service packs in compliance with enterprise policiesBackup & RecoveryManage and validate full system backups and application data backupsConfigure and maintain VM snapshots for disaster recovery and rollback scenariosEnsure backup jobs are running successfully and validate restoration processes periodicallySecurity & ComplianceInstall| configure| and maintain Antivirus/EDR solutionsApply and enforce enterprise security policies and hardening standardsManage and update certificates across servers and applicationsIdentify and resolve vulnerability and compliance gapsMonitoring & Performance ManagementConfigure and monitor CPU| memory| disk utilization| and system performance metricsMonitor application logs and troubleshoot perform, Project Code :