System Administrator jobs in United Arab Emirates
System Administrator
Human Resources Department of Ras Al Khaimah Government
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Senior IBM Power Systems Administrator (AIX/Linux)
Human Resources Department of Ras Al Khaimah Government
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System Administrator
Job summary
A government department in Ras Al Khaimah is seeking an experienced Systems Administrator with deep expertise in managing IBM POWER SERVERS and AIX/Linux environments. Candidates must have 8 to 10 years of experience and hold relevant certifications, including AIX Certified System administrator and Redhat Certified System administrator. Key responsibilities include complex OS migrations, performance tuning, and managing enterprise storage solutions. This position offers an opportunity to work on large-scale systems within a dynamic environment.
Qualifications
- 8 to 10 years of experience in enterprise-level systems administration.
- Hands-on experience with storage vendors like Dell EMC, NetApp, HPE, IBM.
- Certifications in AIX, Redhat, IBM Flash Storage are required.
Responsibilities
- Architect, deploy, and manage IBM POWER SERVERS and AIX environments.
- Perform complex OS migrations and upgrades, manage performance tuning.
- Implement OS hardening and establish enterprise OS standards.
- Manage enterprise storage systems and configure disaster recovery solutions.
Skills
Education
Tools
Architect, deploy, and manage large-scale IBM POWER SERVERS / AIX and Linux environments
Perform complex OS migrations, SP / TL upgrades,
VIOS upgrades, backups, and dual-VIOS redundancy.
Advanced performance tuning (CPU, memory, I/O, kernel parameters)
Deep expertise in LVM, filesystem tuning, multipathing (MPIO)
Implement OS hardening, RBAC, sudo policies, and system auditing.
Shared adapter configuration Vlan tagging
HMC Backup / LPAR configuration and profile backup restore
PowerVM Live Partition Mobility configuration and validation migration
Design and enforce enterprise OS standards, baselines, and hardening
Advanced administration of IBM PowerVM, HMC, VIOS, LPARs, Shared Storage Pools
Conduct regular AIX and Redhat Linux system updates, upgrade kernel and apply patches,
Monitor system performance, capacity, and availability
Design and manage LPAR capacity planning, CPU/memory allocation, and dynamic resource adjustments (DLPAR)
Troubleshoot OS-level issues and perform root cause analysis
Automate routine tasks using shell scripting (ksh, bash, Python)
Manage enterprise storage systems (IBM, NetApp, EMC)
Provision, allocate, and decommission storage (SAN, NAS)
Configure and maintain SAN zoning and LUN masking
Manage storage replication, snapshots, and backups
Perform storage capacity planning and performance tuning
Support storage for databases, applications, and virtualization platforms
Configure and maintain HA solutions (PowerHA,GPFS)
Configure and maintain disaster recovery solutions using replication technologies
Support backup and recovery OS level (mksysb, Altclone ,NIM)
Redhat linux and Ubuntu version and kernal upgrade
Diagnose and resolve complex OS and kernel-level issues
Manage and configuration of Spectrum control
IBM Flash storage firmware / drive code upgrade
Brocade SAN Zoning / config backup and firmware upgrade
Hands-on experience with storage vendors such as Dell EMC, NetApp, HPE, IBM,
Understanding of RAID, snapshots, replication, and tiered storage
Install, configure LPAR2RRD, STOR2RRD monitoring clients
Strong understanding of VMware architecture, ESXi hosts
Install and manage IBM Flex Chassis / firmware and patches upgrade
Bachelor of Science in Computer Science, Bachelor of Science in Computer Engineering
8 to 10 years
AIX Certified System administrator / Redhat Certified System administrator /IBM Flash Storage System Certified / Brocade SAN certified
* The salary benchmark is based on the target salaries of market leaders in their relevant sectors. It is intended to serve as a guide to help Premium Members assess open positions and to help in salary negotiations. The salary benchmark is not provided directly by the company, which could be significantly higher or lower.