Senior Oracle Database Administrator (Oracle 12c/19c on Azure) – Freelance / B2B

About the opportunity For a business-critical IT infrastructure project with an international enterprise operating in the semiconductor and mechanical engineering industries, we are looking for 5 experienced Senior Oracle Database Administrators . The assignment requires highly independent specialists with extensive hands-on experience in Oracle database operations within Microsoft Azure environments. You will support a demanding enterprise landscape in which system stability, performance, availability, and efficient troubleshooting are essential. Experience working in business-critical SAP environments is particularly important. Project details Start: Early December 2026 Duration: Until the end of February 2027 Workload: Full-time (5 positions available) Location: Primarily remote from within the EU On-site requirement: Netherlands, 14 January – 7 February 2027 Language: English C2 or demonstrably equivalent proficiency Contract: Freelance Your responsibilities Administer, maintain, and optimize Oracle 12c/19c databases running on Microsoft Azure. Perform database installations, upgrades, patching, configuration, and ongoing maintenance. Manage backup and recovery processes using Oracle RMAN. Configure, maintain, and troubleshoot Oracle Data Guard environments. Support Oracle ASM and high-availability configurations. Conduct proactive performance analysis, tuning, and capacity optimization. Investigate and resolve complex production incidents and database-related performance issues. Collaborate with Azure infrastructure, cloud engineering, and application teams. Use scripting and automation to streamline database operations and routine maintenance. Support operational processes and deployments using Azure DevOps or comparable CI/CD tools. Ensure reliable database operations within a business-critical SAP landscape. Your profile Required qualifications Extensive production experience as a Senior Oracle DBA in complex enterprise environments. Strong hands-on expertise with Oracle Database 12c and 19c. Proven experience operating Oracle databases on Microsoft Azure. In-depth knowledge of RMAN, Data Guard, ASM, database patching, backup/recovery, and performance tuning. Strong troubleshooting capabilities in high-availability, business-critical production systems. Practical knowledge of Azure infrastructure and automation/scripting. Experience with Azure DevOps or comparable CI/CD environments. Ability to work independently, make technically sound decisions, and resolve critical incidents. English language proficiency at C2 level or demonstrably equivalent. Residence within the EU and willingness to work on-site in the Netherlands during the specified period. Availability for a full-time freelance assignment starting in December 2026. Additional advantages Oracle RAC experience. Experience with SAP-related Oracle database landscapes. Strong understanding of infrastructure security, disaster recovery, and operational resilience. Previous experience in international infrastructure transformation or stabilization projects.

What we offer

A challenging assignment involving business-critical enterprise infrastructure.

The opportunity

to work with experienced international technical teams. Primarily remote delivery with a clearly defined on-site project phase. A freelance engagement with an hourly rate aligned to your expertise and experience. Direct communication and ongoing project support through Sidekick Network. Interested? Please apply through JOIN and provide: Your current CV or detailed technical profile Your earliest availability Your location and country of residence Your expected hourly rate in EUR Confirmation of your availability for on-site work in the Netherlands from 14 January to 7 February 2027 A short overview of your hands-on Oracle-on-Azure experience, including RMAN, Data Guard, ASM, and SAP-related production environments We look forward to hearing from experienced Oracle DBAs who are confident working independently in complex, business-critical environments. Find Jobs in Germany on Arbeitnow