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.