Senior Technical Specialist

Bangalore, Karnataka

Job Summary

Oracle DBA – Exadata Specialist

Role Overview

We are seeking an experienced Oracle Database Administrator (DBA) with deep, hands‑on expertise in Oracle Exadata . The ideal candidate has a strong understanding of the full Exadata stack—compute, storage, networking, and database layers—and is skilled in diagnosing, tuning, and optimizing performance across the platform. This role requires a proactive engineer who can own operational stability, drive performance improvements, and support mission‑critical workloads running on Exadata.

Key Responsibilities

- Administration & Operations
- Manage and maintain Oracle 19c/21c databases running on Exadata platforms.
- Perform routine Exadata compute and storage cell administration (CELLCLI, DCLI, cell configuration, patching, etc.).
- Oversee backup, recovery, and high‑availability configurations (RMAN, Data Guard, RAC).
- Ensure platform stability, reliability, and adherence to best practices.

- Performance Tuning & Optimization

- Conduct deep performance analysis across SQL, database parameters, storage cells, and Exadata Smart features.
- Utilize and tune Smart Scan , Smart Flash Cache, Storage Indexes, and Hybrid Columnar Compression.
- Identify and resolve system bottlenecks across compute, network, and storage layers.

- Troubleshooting & Incident Response

- Diagnose complex issues spanning ASM, RAC, IORM, InfiniBand/RoCE networking, and storage cells.
- Perform root-cause analysis and implement long-term remediation solutions.
- Work closely with engineering and application teams to resolve performance and availability incidents.

- Upgrades, Patching & Lifecycle Management





- Plan and execute patching of Exadata components (GI/DB homes, storage cells, IB switches).
- Manage upgrades of database versions, cluster components, and firmware.
- Maintain security compliance and configuration baselines.

- Automation & Continuous Improvement

- Develop scripts and tooling (Bash, Python, Ansible, or similar) to automate operations.
- Contribute to standard operating procedures, architecture documentation, and knowledge sharing.

Skill Requirements

- 5+ years of Oracle DBA experience , including RAC, ASM, and Data Guard.
- 3+ years of hands-on experience with Oracle Exadata in production environments.
- Solid command of:
- SQL tuning and execution plan analysis.
- AWR/ASH/ADDM diagnostics.
- Exadata storage management (CELLCLI, cell monitoring, flash cache tuning).
- Resource management using IORM.

- Solid understanding of:

- Exadata networking (InfiniBand/RoCE).
- Exadata patching methodologies (OPatch, dbaascli, onecommand).
- Linux administration relevant to Exadata compute nodes.

Other Requirements

Nice-to-Have Qualifications

- Experience with Oracle Cloud Exadata (ExaCS or ExaC@C).
- Background in automation, CI/CD, or Infrastructure-as-Code.
- Knowledge of performance tuning for high‑throughput or low‑latency systems.
- Familiarity with monitoring tools such as OEM, Prometheus/Grafana, or similar.

Soft Skills

- Strong analytical mindset and systematic troubleshooting abilities.
- Excellent communication skills—able to explain technical issues clearly.
- Proactive, ownership-driven, and comfortable working in high‑criticality environments.
- Collaborative and able to work across multiple engineering and business teams.

📌 Senior Technical Specialist (India)
🏢 HCLTech
📍 India