Senior Technical Specialist

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.
  
  
  
  


• 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.
  
  
  
  


• 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.


• Strong 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.

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026totaled $14.8billion.