Senior System Administrator

Job Description

• The primary objective of a Senior Engineer specializing in AIX and Linux, along with Storage and Cloud System Administration for the client to ensure the secure, efficient, and reliable operation of their IT infrastructure.
• This role is crucial for supporting the Client Infrastructure services, ensuring seamless operation, data integrity, and optimal performance of systems critical to their functions.
• System Management: Installation, configuration, and maintenance of AIX and Linux operating systems.
• Performance Monitoring: Monitor system performance and ensure the 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.
• Scripting and Automation: Develop and maintain scripts 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.

Responsibilities

• Maintain infrastructure software (GPFS, PowerHA, AIX 7.1, and later, VIOS, PowerVM)
• Responsible for installing and managing IBM AIX systems
• AIX and Linux Patching.
• Support day to day L3 calls on AIX/ Servers / VIO Servers issue.
• 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 ServiceNow
• 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 PowerVM of 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 3PAR 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

Primarily Skills And Experiences

• Manage and administrate all Linux and Unix infrastructure services.
• Maintain updated patch management process and assure all infrastructure component are patched.
• Monitor system logs and activity on all Linux and Unix environment.
• Perform regular firmware assessment and upgrade.
• Coordinate with 3rd party suppliers/vendors the replacement of defective hardware on clients and servers as necessary.
• Update software and hardware inventory and documents.
• Provide scripts to automate regular tasks and jobs.

Requirements

• Hands on experience on administrating RHEL and Ubuntu.
• Hands on experience on RedHat Satellite and Ansible.
• Hands on experience on administrating AIX.
• Hands on experience on administrating clustering technologies including Redhat cluster,Redhat Satellite and IBM powerHA.
• Strong background on Blade HW technologies.
• Strong background on IBM Power Systems.
• Hands on experience on VMware Vsphere and its operations.
• Handon experience on SAN technologies .
• Hands on experience on Storage and SAN administration.
• Azure Cloud administration.
• Ability to work varying hours and shifts.

Education:-