Linux System Administrator

Job description

**Role & responsibilities** **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 **Preferred candidate profile** - Strong expertise in **Linux (RHEL, SUSE, Ubuntu)** - Experience in configuration of **LAMP, SAMBA, FTP, NFS Server use Source code, yum and rpm** Package - Hands-on experience with **AWS cloud services** - Deep knowledge of **enterprise storage & SAN environments** - Strong experience in **backup solutions (Veeam, Tivoli)** - Solid understanding of **VMware virtualization** - Experience with **SAP HANA & SAP Basis infrastructure** - Familiarity with **monitoring tools (Nagios)** - Familiar with on **IBM Power server and SAP HANA.** - DevOps exposure **(GitLab, Jenkins, SVN**) - Database management (MongoDB, MySQL, PostgreSQL) Monitoring tools like **Nagios**