Oracle Database Consultant

Job Title: Senior Oracle Database Performance & Tuning ConsultantDuration: ASAP - 1/02/2027Location: Brussel, VLG, BelgiumMode: HybridLanguage: English, Dutch OR French Work Regime: Part time 2/5Job Description:One of our missions is to support business development teams by identifying Oracle Database performance bottlenecks, providing expert advice, and optimizing sql queries.As an Oracle Database performance and tuning specialist, you'll collaborate closely with infrastructure engineers, business developers, business analysts, and application architects to ensure optimal Oracle database performance across environments.Your Responsibilities as expert are :Analyse and optimize Oracle queries and configurations.Support business development teams in identifying and resolving performance issues.Develop scripts and tools to automate Oracle Database performance checks and diagnostics.Collaborate with cross-functional teams to improve Oracle database architecture and efficiency.Document and training findings and share best practices across teams.Profile skills required:Technical SkillsStrong expertise in Oracle configuration, applicative query performance tuning, and troubleshooting, without the use of performance and tuning packs or other paid oracle option.Deep understanding of DDL/DML operations.Solid grasp of networking principles and modern authentication mechanisms.Ability to write scripts (SQL, PowerShell, Unix, etc.) for performance analysis and automation.Soft SkillsTeam-oriented with the ability to work independently.Capable of challenging and improving infrastructure designs.Skilled in writing clear, concise documentation and sharing knowledge.Able to communicate technical concepts to non-technical stakeholders.Security-conscious and aware of best practices in IT security.Mandatory skills:Senior Database Analyst - Most recent experience: This yearOracle Database Analyst – Advanced, Most recent experience: This yearOracle Database Architecture Internals – Advanced, Most recent experience: This yearOracle Performance Analyst & Tooling Knowledge – Expert, Most recent experience: This yearOracle Pro-active Monitoring & Troubleshooting – Expert, Most recent experience: This yearOracle SQL Tuning & Optimization – Expert, Most recent experience: This yearLanguagesDutch or French – Native or bilingual proficiencyEnglish – Professional working proficiencyQuestionsDescribe your role and responsibilities as an Oracle Database Performance & Tuning specialist over the past year. Include specific examples of performance issues you identified and resolved, along with the techniques and tools you used.Explain your approach to analyzing a slow-performing SQL query. How do you interpret and utilize the execution plan to identify performance bottlenecks?How do you optimize I/O and memory usage in an Oracle Database environment? Please describe the strategies, tools, and configuration techniques you typically apply to improve performance and resource efficiency.Share your experience during the last two years about engineering advanced scripting frameworks and diagnostic utilities to automate performance profiling, anomaly detection, and root cause analysis in complex Oracle database infrastructures.The access to this function is conditioned by a positive result in a security check. If selected for the mission, do you agree to undergo screening by the Federal Police?The process of security check ('screening') might take up to 30 days to complete. Do you accept this delay and remain available during this screening process?