Linux Admin with AWS Professional

6 days ago

Chennai, Tamil Nadu, India Virtusa Full time ₹ 12,00,000 - ₹ 36,00,000 per year
  • Linux Unix System Administration RHEL SUSE CentOS
  • Lead the design deployment and lifecycle management of enterprise grade Linux systems SAP HANA RHEL 8 9 CentOS SUSE
  • End to end administration of OS environments including Volume File System user access management OS hardening LVM NFS multipathing and patching
  • Perform proactive system performance tuning kernel upgrades log analysis and security compliance enforcement CIS STIG benchmarks
  • Automate OS provisioning and configuration using Ansible Bash Shell Python or Perl
  • SAP HANA High Availability with Pacemaker Clustering
  • Architect implement and maintain SAP HANA Pacemaker Clusters on RHEL SUSE for mission critical workloads
  • Provide end to end operational support for RHEL CentOS Ubuntu and SUSE environments
  • Perform patching kernel upgrades filesystem user administration and OS lifecycle management
  • Configure and manage advanced cluster components Fencing mechanisms and SBD STONITH Block Device
  • Manage Resource Agents RA Resource Groups Constraints Quorum STONITH
  • Conduct failove failback testing log analysis and real time troubleshooting of cluster behavior and node failures
  • Build runbooks SOPs for SAP HA operations participate in DR drills and ensure continuous HA DR readiness
  • Collaborate with SAP Basis DBAs and infrastructure teams for seamless application onboarding and cluster validations
  • Cloud Infrastructure Operations AWS Azure
  • Hands on administration of cloud infrastructure components AWS EC2 S3 RDS PostgreSQL Oracle IAM EBS Auto Scaling VPC Route53 CloudWatch Lambda EKS
  • Azure VM Scale Sets Blob Storage Azure IAM AKS Azure Monitor NSG VNets
  • Databases Oracle SQL Server MySQL PostgreSQL
  • Deliver day to day operations and maintenance of RDS DBAAS instances including version upgrades backup restoration schema refresh SSL renewal and high availability
  • Implement cost optimization strategies eg Graviton migration decommissioning rightsizing storage cleanup
  • Enforce cloud security best practices IAM policies tagging strategies encryption and compliance controls
  • Automation CI CD and Infrastructure as Code IaC
  • Automate OS and Cloud operations using Ansible Terraform CloudFormation and GitHub Actions pipelines
  • Build reusable infrastructure templates and scripts for provisioning and configuration management
  • Support version controlled infrastructure workflows peer reviews and Github models
  • Develop and maintain internal tools scripts for monitoring reporting and alerting
  • Operations Incident and Change Management
  • Actively manage ITSM lifecycle through tools like ServiceNow or equivalent platforms Incident Problem Change Service Request
  • Root Cause Analysis RCA and Permanent Fix Implementations PFI
  • Ensure SLA adherence timely patching audit readiness and service health reporting
  • Maintain operational knowledge base KB and document troubleshooting guides and architecture references
  • Preferred Qualifications
  • Bachelor degree in computer science IT or related field
  • Certifications preferred RHCSA RHCE AWS SysOps Admin Azure Administrator CKA DB specific certs
  • Nice to have skills
  • Experience in SAP HANA on cloud and hybrid setups
  • Exposure to Kubernetes based workloads EKS AKS and containerized applications
  • Familiarity with Prometheus Grafana stack for observability
  • Understanding of DevSecOps concepts Github and secure CI CD pipeline practices

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