Career Opportunities: Senior Technical Specialist (175246)
Requisition ID 175246 -Posted 09/30/2026 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.
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Senior Exadata Oracle DBA — Performance & Stability Lead in Amsterdam werkgever: HCL Technologies B.V.
Als Technical Lead bij ons bedrijf krijg je de kans om te werken in een stimulerende omgeving waar innovatie en samenwerking centraal staan. We bieden uitstekende groeimogelijkheden, een cultuur van continue verbetering en de mogelijkheid om impact te maken met je technische vaardigheden. Onze locatie biedt niet alleen een dynamische werkomgeving, maar ook toegang tot moderne technologieën en een ondersteunend team dat je helpt om je carrière naar een hoger niveau te tillen.
Contactgegevens:
Recruitmentteam van HCL Technologies B.V.
