Senior DBA Oracle

<p><span>Syffer is an all-inclusive consulting company focused on talent, tech and innovation. We exist to elevate companies and humans all around the world, making change, from the inside to the outside.</span></p> <p>We believe that technology + human kindness positively impacts every community around the world. Our approach is simple, we see a world without borders, and believe in equal opportunities. We are guided by our core principles of spreading positivity, good energy and promote equality and care for others.</p> <p>Our hiring process is unique! People are selected by their value, education, talent and personality. We dont present ethnicity, religion, national origin, age, gender, sexual orientation or identity.</p> <p>Its time to burst the bubble, and we will do it together!</p> <p><strong>What You'll do:</strong></p><p><span>- Perform advanced </span><strong>performance tuning </strong><span>and </span><strong>optimization </strong><span>across Oracle, PostgreSQL, MSSQL, and Sybase environments.</span></p><p><span>- </span><span>Deliver expert-level </span><strong>technical support </strong><span>to internal DBA teams and external client deployments.</span></p><p><span>- </span><span>Ensure </span><strong>high availability</strong><span>, </span><strong>security</strong><span>, and </span><strong>resilience </strong><span>of all production and non-production database systems.</span></p><p><span>- </span><span>Continuously monitor, analyze, and troubleshoot system and query-level performance bottlenecks.</span></p> <p>- <span>Lead </span><strong>database migrations</strong><span>, </span><strong>version upgrades</strong><span>, and </span><strong>patch management </strong><span>processes.</span></p><p><span><br/></span></p> <p><strong>What You Are:</strong></p><p><strong>- </strong><span>5+ years of experience as a professional DBA, with expert-level Oracle database administration.</span></p><p><span>- </span><span>Hands-on experience with PostgreSQL, MSSQL, Sybase, and optionally MariaDB/MySQL.</span></p><p><span>- </span><span>Deep knowledge of SQL scripting, query optimization, and execution plan analysis.</span></p><p><span>- </span><span>Proven ability to conduct performance troubleshooting and root cause analysis in production environments.</span></p><p><span>- Solid understanding of Linux/Unix systems and shell scripting.</span></p><p><span>- </span><span>Experience managing and supporting databases on cloud platforms, specifically Oracle Cloud Infrastructure (OCI) and Amazon Web Services (AWS).</span></p><p><span>- </span><span>Familiarity with monitoring tools (e.g., Oracle Enterprise Manager, pgAdmin, etc.) and automation frameworks is a plus.</span></p><p><span>- </span><span>Excellent communication skills and a team-oriented, proactive mindset.</span></p> <p><strong>What you'll get:</strong></p> <p>- Wage according to candidate's professional experience;</p> <p>- Remote Work whenever possible;</p> <p>- Allocation of health insurance from the beginning of the employment;</p> <p>- Delivery of work equipment adjusted to the performance of functions;</p> <p>- And others.</p> <p></p> <p>Work together with expert teams on projects of large magnitude and intensity, long term together with our clients, all leaders in their industries.</p> <p></p> <p>Are you ready to step into a diverse and inclusive world with us?</p> <p><strong>Together we will promote uniquess!</strong></p><p><br/></p>