Linux Administrator L3

1. Linux Administration (RHEL / SUSE / Ubuntu)

Install, configure, and maintain RHEL, SUSE, CentOS, and Ubuntu servers

• Maintain and develop all Linux infrastructure technology to maintain a 24x7x365 uptime service.
• Day to day support of existing Linux & Storage environment – support (monitoring alerts, responding to service tickets, preventative maintenance)
• Manage SAP HANA environments on SUSE Linux
• Administer SAP Application & Sybase databases on RHEL
• Perform patching, performance tuning, troubleshooting, and hardening
• Manage users, file systems, LVM, kernel tuning, and automation scripts
• Installation configuration of DB server (Mango DB, MySQL DB & PostgreSQL) on Linux machines.
• Installation and customized Nagios monitoring tool for Linux, Windows and Network monitoring.
• Manage SAP HANA systems on SUSE Linux
• Support SAP applications, Sybase DB, and non-SAP environments on RHEL
• Package management using YUM, RPM, and source builds

2. AWS Cloud Administration

• Manage and maintain AWS services including:

• EC2, EBS, S3, VPC, ELB, IAM, RDS

• Design secure and scalable cloud architectures

• Implement cost optimization, monitoring, and backup strategies

• Handle cloud migrations and hybrid infrastructure setups

• Support cloud provisioning, and cost optimization

• Handle hybrid cloud integrations and migrations

3. Storage and SAN Management

• Administer enterprise storage systems:

• IBM Storage (V7000, V5000, V3700 / 5200 / 5000)

• Manage SAN infrastructure and switches

• Configure and manage IBM Tape Library

• Monitor and maintain performance of storage environments and the systems that rely on them.

4. Backup, Recovery & Data Protection

• Manage backup solutions:

• Veeam Backup & Replication

• IBM Tivoli Storage Manager (TSM)

• Perform:

• Backup monitoring and reporting

• Data recovery and restoration

• Archival management

• Ensure zero data loss and DR readiness

• Ensure data protection, DR readiness, and backup compliance

5. VMware Virtualization

• Manage VMware environments (ESXi, vCenter)
• Provision and maintain virtual machines
• Handle HA, DRS, vMotion, snapshots, and resource optimization
• Perform capacity planning and performance monitoring

6. SAP Infrastructure Management

• Deploy and manage SAP HANA on IBM Power Systems and Intel platforms
• Support SAP landscapes including SAP Application and Sybase DB
• Ensure performance tuning and high availability

7. Server & Hardware Management

• Manage IBM Power Servers
• Manage Intel-based infrastructure
• Coordinate with vendors for hardware support and lifecycle manageme

8. Database Administration (Linux-Based)

• Install, configure, and maintain:

• MongoDB

• MSSQL

• PostgreSQL

• Ensure database performance, availability, and security

• Perform backup, recovery, and optimization tasks

9. Monitoring & Performance Management

• Implement and manage monitoring tools such as Nagios
• Proactively monitor infrastructure performance and availability
• Troubleshoot incidents and perform root cause analysis

10. DevOps & Automation

• Work with DevOps tools:

• GitLab, Jenkins, SVN

• Automate deployment, patching, and infrastructure tasks

• Support CI/CD pipelines and infrastructure as code initiatives