Linux Admin with AWS

Linux Unix System Administration RHEL SUSE CentOSLead the design deployment and lifecycle management of enterprise grade Linux systems SAP HANA RHEL 8 9 CentOS SUSEEnd to end administration of OS environments including Volume File System user access management OS hardening LVM NFS multipathing and patchingPerform proactive system performance tuning kernel upgrades log analysis and security compliance enforcement CIS STIG benchmarksAutomate OS provisioning and configuration using Ansible Bash Shell Python or PerlSAP HANA High Availability with Pacemaker ClusteringArchitect implement and maintain SAP HANA Pacemaker Clusters on RHEL SUSE for mission critical workloadsProvide end to end operational support for RHEL CentOS Ubuntu and SUSE environmentsPerform patching kernel upgrades filesystem user administration and OS lifecycle managementConfigure and manage advanced cluster components Fencing mechanisms and SBD STONITH Block DeviceManage Resource Agents RA Resource Groups Constraints Quorum STONITHConduct failove failback testing log analysis and real time troubleshooting of cluster behavior and node failuresBuild runbooks SOPs for SAP HA operations participate in DR drills and ensure continuous HA DR readinessCollaborate with SAP Basis DBAs and infrastructure teams for seamless application onboarding and cluster validationsCloud Infrastructure Operations AWS AzureHands on administration of cloud infrastructure components AWS EC2 S3 RDS PostgreSQL Oracle IAM EBS Auto Scaling VPC Route53 CloudWatch Lambda EKSAzure VM Scale Sets Blob Storage Azure IAM AKS Azure Monitor NSG VNetsDatabases Oracle SQL Server MySQL PostgreSQLDeliver day to day operations and maintenance of RDS DBAAS instances including version upgrades backup restoration schema refresh SSL renewal and high availabilityImplement cost optimization strategies eg Graviton migration decommissioning rightsizing storage cleanupEnforce cloud security best practices IAM policies tagging strategies encryption and compliance controlsAutomation CI CD and Infrastructure as Code IaCAutomate OS and Cloud operations using Ansible Terraform CloudFormation and GitHub Actions pipelinesBuild reusable infrastructure templates and scripts for provisioning and configuration managementSupport version controlled infrastructure workflows peer reviews and Github modelsDevelop and maintain internal tools scripts for monitoring reporting and alertingOperations Incident and Change ManagementActively manage ITSM lifecycle through tools like ServiceNow or equivalent platforms Incident Problem Change Service RequestRoot Cause Analysis RCA and Permanent Fix Implementations PFIEnsure SLA adherence timely patching audit readiness and service health reportingMaintain operational knowledge base KB and document troubleshooting guides and architecture references

Preferred Qualifications

Bachelor degree in computer science IT or related fieldCertifications preferred RHCSA RHCE AWS SysOps Admin Azure Administrator CKA DB specific certsNice to have skillsExperience in SAP HANA on cloud and hybrid setupsExposure to Kubernetes based workloads EKS AKS and containerized applicationsFamiliarity with Prometheus Grafana stack for observabilityUnderstanding of DevSecOps concepts Github and secure CI CD pipeline practices