Note: The job is a remote job and is open to candidates in USA. Quantum World Technologies Inc. is seeking a Senior Unix System Administrator to manage their Unix-based platforms and Exadata infrastructure. The role focuses on ensuring high availability and performance optimization while maintaining security compliance and efficient lifecycle management.
Responsibilities
- Responsible for end-to-end administration of Unix-based platforms and Exadata infrastructure supporting mission-critical database workloads
- Focus on high availability, performance optimization, security compliance, and lifecycle management across AIX, Solaris, and legacy Unix environments
Skills
- 8-10 years of experience in Unix system administration (AIX, Solaris, HP‑UX) across production-critical environments
- Hands-on experience in managing Oracle Exadata infrastructure (compute nodes, storage cells, network fabric)
- Strong expertise in Unix OS administration, system configuration, and lifecycle management (build → patch → upgrade → decommission)
- Proven capability in OS performance tuning, capacity planning, and kernel-level optimization for database workloads
- Experience in patching, OS upgrades, and maintaining legacy Unix platforms with stability focus
- Hands-on with high availability and disaster recovery setups (cluster support, failover, DR drills)
- Strong scripting expertise using Shell scripting (Korn/Bash) for automation and operational efficiency
- Expertise in system hardening, vulnerability remediation, and security compliance frameworks (audit readiness)
- Experience in backup/restore support and coordination with database teams for recovery operations
- Exposure to monitoring, alert handling, and troubleshooting OS-level issues in tightly coupled DB environments
- Familiarity with ITSM tools (ServiceNow or equivalent) and runbook-driven operations
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