Senior Exadata Oracle DBA — Performance & Stability Lead

HCL Technologies B.V.; Netherlands; On-site; EUR 110,000 - 170,000; Full time

Job summary

Sapsf is seeking an experienced Oracle Database Administrator (DBA) with deep hands-on Exadata expertise to own operational stability and drive performance improvements across Exadata platforms.

The role focuses on administering Oracle 19c/21c databases on Exadata, performing management of compute/storage cells, backups, DR configurations, and patching. Strong scripting and automation are valued.

Qualifications

• Applicants must have 5+ years as an Oracle DBA, including RAC, ASM, and Data Guard.
• 3+ years hands-on experience with Oracle Exadata in production.
• Strong SQL tuning, diagnostics, and performance optimization skills.
• Familiarity with Exadata components and Linux administration.

Responsibilities

• Administer Oracle 19c/21c databases on Exadata.
• Perform Exadata compute/storage cell administration and patching.
• Manage backups, recovery, and high‑availability configurations.
• Develop automation scripts (Bash, Python, Ansible) to streamline ops.

Skills

Oracle DBA

Exadata

RAC

ASM

Data Guard

SQL tuning

AWR/ASH/ADDM

InfiniBand

OPatch

dbaascli

Linux admin

Tools

Python

Bash

Ansible

Job description

Career Opportunities: Senior Technical Specialist (175246)

Requisition ID175246-Posted09/30/2026

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.