Senior DBA Oracle

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. 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. 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. Its time to burst the bubble, and we will do it together! What You'll do: - Perform advanced performance tuning and optimization across Oracle, PostgreSQL, MSSQL, and Sybase environments. - Deliver expert-level technical support to internal DBA teams and external client deployments. - Ensure high availability , security , and resilience of all production and non-production database systems. - Continuously monitor, analyze, and troubleshoot system and query-level performance bottlenecks. - Lead database migrations , version upgrades , and patch management processes.  What You Are: - 5+ years of experience as a professional DBA, with expert-level Oracle database administration. - Hands-on experience with PostgreSQL, MSSQL, Sybase, and optionally MariaDB/MySQL. - Deep knowledge of SQL scripting, query optimization, and execution plan analysis. - Proven ability to conduct performance troubleshooting and root cause analysis in production environments. - Solid understanding of Linux/Unix systems and shell scripting. - Experience managing and supporting databases on cloud platforms, specifically Oracle Cloud Infrastructure (OCI) and Amazon Web Services (AWS). - Familiarity with monitoring tools (e.g., Oracle Enterprise Manager, pgAdmin, etc.) and automation frameworks is a plus. - Excellent communication skills and a team-oriented, proactive mindset. What you'll get: - Wage according to candidate's professional experience; - Remote Work whenever possible; - Allocation of health insurance from the beginning of the employment; - Delivery of work equipment adjusted to the performance of functions; - And others. Work together with expert teams on projects of large magnitude and intensity, long term together with our clients, all leaders in their industries. Are you ready to step into a diverse and inclusive world with us? Together we will promote uniquess!