LinuxONE / IBM zSystems Linux Administrator

Role Summary TheMainframe z/OS Administratoris responsible for theinstallation, configuration, maintenance, and performance managementof IBM Mainframe environments runningz/OS. This role ensureshigh availability, security, compliance, and operational stabilityof missioncritical enterprise applications and infrastructure. Key Responsibilities z/OS System Administration Install, configure, and maintainIBM z/OSoperating systems and related system software. ManageIPL activities, system upgrades, p

Sys Admin Windows/UNIX (RHEL) Main Sail LLC is seeking a System Administrator to support infrastructure and environments for S/4HANA systems. The Windows / UNIX System Administrator (RHEL) leads the administration, maintenance, and optimization of the organizations server infrastructure, spanning Microsoft Windows Server and UNIX/Linux environments, with a focus on Red Hat Enterprise Linux (RHEL). Works with application owners, security teams, and developers to ensure the stability, integrity,

Job Description Mainframe z/VM Administrator (2 Positions) Role Summary TheMainframe z/VM Administratoris responsible for theadministration, configuration, and operational supportof IBM z/VM virtualization environments. This role ensureshigh availability, performance, security, and efficient resource utilizationof Linux and guest operating systems hosted on IBM Mainframe platforms. Key Responsibilities z/VM System Administration Install, configure, maintain, and upgrade theIBM z/VM operating s

IBM i / iSeries AdministratorResponsibilitiesManage IBM i / AS400 operational supportPerform system administration, monitoring, and performance tuningManage backup/recovery and PTF upgradesSupport LPAR and virtualization environmentsExecute DR testing and system upgradesSupport migrations and lifecycle managementCoordinate incident response and root cause analysisRequired SkillsIBM i / AS400 administrationPower Systems and LPAR experienceBackup/recovery and HA/DRPTF and OS upgrade managementStor