Senior Database Administrator

Job title:

Senior Database Administrator

Company

Randstad

Job description

Are you a Senior Oracle DBA with a passion for maintaining secure, high-performance database environments? Our client is looking for a Senior Database Administrator for a remote contract role based anywhere in Ontario 🏡. This role involves managing mission-critical Oracle databases (10g-19c), supporting cloud migrations, enforcing database security, and ensuring technical documentation is consistently maintained. You will play a key part in a system modernization project focused on evergreening core infrastructure and supporting secure, scalable solutions.🗺️ Work Location: Fully remote (Ontario residents only)Advantages
☁️ Work on major cloud-based evergreening initiatives
🛡️ Lead on database security, performance tuning, and Oracle migrations
🧠 Be the go-to SME in multi-tenant Oracle database environments
🗂️ Contribute to secure architecture and performance strategies
📄 Deliver structured technical documentation for lasting impact
💬 Collaborate with high-functioning teams in a knowledge-sharing cultureResponsibilities

• Maintain, monitor, and optimize Oracle 10g/11g/12c/19c databases in complex multi-tenant setups
• Perform database optimization, performance tuning, backup and recovery, capacity planning, and security configuration
• Lead Oracle database upgrade and migration projects, including migration to Oracle 19c and cloud environments
• Configure and support Oracle systems on Windows, Solaris, and Linux platforms
• Ensure compliance with security and privacy standards, implementing appropriate auditing controls
• Assist in implementation and management of Oracle RAC, Data Guard, OEM 13c, TDE, and replicated database solutions
• Document all technical processes and architecture to ensure smooth knowledge transfer
• Communicate effectively with technical teams and non-technical stakeholders
• Support both on-premise and GoCloud database environments
• Participate in impact analysis and planning for patching and upgrades

Qualifications
Must Have:

• 10+ years of hands-on experience in Oracle database administration
• Strong knowledge of Oracle 10g, 11g, 12c, and 19c environments
• Proven experience in database migration and cloud transformation initiatives
• Deep understanding of database security and auditing (privacy and compliance focused)
• Familiarity with Oracle tools including RAC, OEM, Data Guard, and TDE
• Experience working in multi-tenant database environments and high-availability systems
• Expertise in documentation for technical teams and knowledge transfer sessions
• Strong communication skills – verbal, written, and interpersonal

Nice to Have:
🧱 Experience with OBIEE, Case Management, or ERP platforms
📡 Experience with middleware, gateways, or distributed data systems
🧪 Familiarity with vulnerability remediation and cybersecurity best practices
💡 Awareness of emerging IT trends in database and cloud ecosystems
📊 Understanding of Ontario Government architecture and technology stack standardsSummary
This opportunity is ideal for a seasoned Oracle DBA ready to take charge of secure database operations, performance improvements, and cloud transitions. Your expertise will directly influence the reliability and modernization of high-priority I&IT systems in Ontario. With a remote-first setup and exciting migration challenges, you’ll have the space to lead, collaborate, and innovate – all while delivering long-term impact through evergreen architecture. 🔐🧩
If you are interested in this role, please apply online at www.randstad.ca. Qualified candidates will be contacted.Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada’s workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to accessibility@randstad.ca to ensure their ability to fully participate in the interview process.

Expected salary

Location

Toronto, ON

Job date

Tue, 15 Jul 2025 22:52:41 GMT

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