Oracle Exadata Senior Administrator

About the Role

DXC Technology is searching for a seasoned Senior Oracle Exadata Administrator to oversee deployment, administration, and tuning of Oracle Exadata environments both on-premises and in cloud settings. The candidate will be instrumental in ensuring optimal performance, security, and availability across Oracle database workloads, managing infrastructure from Exadata X8M to X10M and leveraging Oracle Cloud Infrastructure's Exadata Cloud Service. This position is based in Riyadh, Saudi Arabia.

Primary Responsibilities

• Deploy, configure, and maintain Oracle Exadata Database Machine racks, including compute and storage nodes, InfiniBand/RoCE networking, and ILOM management interfaces.
• Execute regular and ad hoc patching activities using tools like dbaascli, exadcli, PatchMgr, and opatchauto across grid infrastructure and storage cells.
• Manage storage elements such as cell disks, grid disks, flash cache, and PMEM with CellCLI and ExaCLI.
• Optimize Exadata performance features including Smart Scan, Storage Indexes, Hybrid Columnar Compression, and Smart Flash Cache.
• Maintain ASM disk groups and manage storage distribution to support varied database workloads.
• Conduct firmware and hardware component upgrades on ILOM, switches, PDUs, and InfiniBand/RoCE components.
• Administer Exadata Cloud service provisions, virtual machine cluster lifecycles, and OCI network configurations.
• Implement high availability through Oracle RAC, RAC One Node, Data Guard, and Active Data Guard across cloud and on-premises platforms.
• Develop and administer backup solutions involving RMAN, OCI Object Storage, ZDLRA, and local Fast Recovery Areas.
• Monitor and tune system performance using AWR, ASH, ADDM, and Exadata-specific utilities and capacity planning tools.
• Enforce security hardening measures in compliance with Oracle Maximum Security Architecture, including Transparent Data Encryption and Oracle Key Vault integrations.
• Prepare technical documentation, runbooks, and disaster recovery plans, and engage in incident and problem management support cycles.

Required Qualifications

• Seven to eight years of progressive Oracle database and infrastructure administration experience with a minimum of four years solely focused on Exadata platforms.
• Proficient with on-premises Exadata X-series (X8M, X9M, X10M) administration tools such as CellCLI, ExaCLI, dbaascli, and ILOM.
• Experience managing Exadata Cloud Service (ExaCS) and Exadata Cloud@Customer (ExaCC) within OCI environments.
• Strong expertise in Oracle RAC, ASM, Data Guard, RMAN, Oracle Linux/RHEL, shell scripting, and Python-based automation.
• In-depth knowledge of Exadata performance features like Smart Scan, Storage Indexes, HCC, Smart Flash Cache, and persistent memory.
• Solid understanding of Exadata networking technologies including InfiniBand, RoCE, and VLAN management.

Preferred Credentials

• Certifications such as Oracle Exadata Database Machine Administrator, Oracle Database Administration, or OCI Architect.
• Experience with Oracle Enterprise Manager 13c Cloud Control, Terraform OCI provider, Oracle GoldenGate, Autonomous Database on Exadata, and ZDLRA.
• Familiarity with OCI Operations Insights, Database Management, Performance Hub, and multitenant database consolidation on Exadata.
• ITIL Foundation certification or equivalent service management knowledge, and experience working in managed services or consulting environments.

Additional Information

This role requires a self-driven individual proficient in handling high-complexity environments with the ability to troubleshoot performance and availability issues efficiently across on-premises and cloud Exadata platforms. Strong leadership, communication abilities, and documentation skills are essential, along with a readiness to provide mentoring and participate in on-call support and incident resolution.