Senior System Administrator
Job in
Doha, Baladīyat ad Dawḩah, Qatar
Listed on 2026-05-16
Listing for:
Malomatia
Full Time
position Listed on 2026-05-16
Job specializations:
-
IT/Tech
Systems Administrator, Cybersecurity, Cloud Computing, Systems Engineer
Job Description & How to Apply Below
Job Description
The primary objective of a Senior Engineer specializing in AIX and Linux, along with Storage and Cloud System Administration, is to ensure the secure, efficient, and reliable operation of the client's IT infrastructure. This role supports the Client Infrastructure services, ensuring seamless operation, data integrity, and optimal performance of systems critical to their functions.
Responsibilities- System Management:
Installation, configuration, and maintenance of AIX and Linux operating systems. - Performance Monitoring:
Monitor system performance and ensure optimal functioning of AIX and Linux servers. - Troubleshooting:
Diagnose and resolve system issues, ensuring minimal downtime and maximum efficiency. - Security:
Implement and manage security measures, including firewalls, access controls, and regular patching and updates to safeguard the systems. - Automation:
Develop and maintain services to automate routine tasks, enhancing system efficiency and reliability. - Storage Infrastructure:
Manage storage solutions, ensuring high availability and performance. - Recovery:
Maintain backup and disaster recovery plans to ensure data integrity and availability. - Storage Monitoring:
Continuously monitor and manage storage systems for performance and capacity. - Data Management:
Oversee data storage strategies, including data archiving, replication, and migration. - Cloud Architecture:
Design, deploy, and manage cloud-based infrastructure and services (e.g., AWS, Azure, Google Cloud). - Cloud Security:
Implement and manage security protocols to protect cloud-based systems and data.
- Maintain infrastructure software (GPFS, Power
HA, AIX 7.1, and later, VIOS, Power
VM) - Responsible for installing and managing IBM AIX systems
- AIX and Linux Patching.
- Support day-to-day L3 calls on AIX/Servers/VIO Servers issues.
- Requires participation in an on-call rotation
- Take problem resolution ownership and facilitate technical bridge during operational disruption in service or service outages
- Monitor events, customer support calls in the call tracking system, return calls from customers, enter new incidents or requests into Service Now
- Experience in File Systems, Processes, Performance tuning and troubleshooting
- Manage VIO, Hardware Management Console
- Experience in system recovery using mksysb image and Disaster Recovery
- Experience in Power
VM virtualization services like Shared Ethernet Adapter (SEA), NPIV configuration, virtual SCSI services to multiple VIO servers/client partitions - Strong Redhat Linux System administration experience
- Strong understanding of P9 pSeries hardware architectures
- Maintain and upgrade the UNIX system software on all UNIX based midrange systems to ensure operating system integrity and a high degree of system availability
- Strong understanding and awareness of AIX and Redhat Linux system security
- Establish LPAR cloning standard operating procedures and create LPAR profiles
- Install, configure and establish the plan to maintain software on the LPARs that is required by the data center
- Develop and present mitigation strategy recommendations to the client to address security findings
- Identify problem resolution and coordinate implementation of solution with client management and other impacted technical support teams
- Design, configure, and maintain LPARs required to support various non- production and production components
- Extensive Knowledge in supporting SAN environments
- Storage Area Network (SAN) configuration and administration.
- Understanding of SAN architecture and configuration best practices. LUN masking, fiber specs, switch specifications, SAN security/Port Zoning, core-to-end, n-tier, etc)
- Experience on IBM storage, SVC, HP 3
PAR and SAN Switch administration and configuration. - Expertise on IBM Storage technologies SVC, FS7200, FS900, V7000.
- Expertise on SAN Products Brocade Switches
- Extensive knowledge and experience with various storage replication software, SAN switches, and storage management software/hardware.
- Experience in Azure cloud environment to Deploy, manage, and monitor virtual machines (VMs), networks, and storage solutions within Azure.
- Ensure optimal allocation of resources to meet performance requirements and cost efficiency.
- Regularly apply patches and updates to Azure services and infrastructure.
- Security and Compliance:
Implement and maintain security policies and procedures, including network security, access controls, and data protection - Hands‑on experience in deploying, configuring, and managing Trend Micro security solutions, such as:
- Trend Micro Apex One, Deep Security, or Workload Security (DS Agent)
- Policy configuration, agent deployment, and update management
- Log analysis, threat detection, and remediation of malware or vulnerabilities
- Experience:
15 Years in Unix System administration
- Manage and administrate all Linux and Unix infrastructure services.
- Maintain updated patch management process and assure all infrastructure components are patched.
- Monitor system logs and…
Position Requirements
10+ Years
work experience
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