Senior Oracle Database Administrator

Senior Oracle Database Administrator
Lisboa
Lisboa, Lisboa, Portugal

Oracle Database Administrator Sr. Specialist page is loaded## Oracle Database Administrator Sr. Specialistlocations: Portugal-Lisbontime type: Full timeposted on: Posted Todayjob requisition id: R0022643Maintaining and optimizing internal database environments, reviewing DB related approaches designed by the application
- house developers, troubleshoot complex performance issues across multiple database platforms. **About Nasdaq!**Customer Services is an integral part of Nasdaq’s growth and success. This division's mission is to continuously enhance the Nasdaq Customer experience in how they consume the Nasdaq software and services, using a strategic
- centric approach focused on driving customer adoption and retention. Thus, successfully differentiating Nasdaq from our competition and contributing to the net growth of our business while offering intense and excellent career development opportunities. **About the team:**The DBA team is scaling rapidly due to increased client wins and demand, supporting clients globally. We serve both external clients - banks and financial institutions worldwide, and internal clients - our development teams. We are seeking a DBA with relevant work experience in database administration. You will be part of a team who will be designing, implementing, and supporting our clients. Our work focuses on addressing complex technical requests related to database performance optimization, configuration, and integration challenges at the intersection of various database systems with our core product. You will act as a key player in the successful delivery of client solutions, working across different time zones and technical environments to ensure optimal system performance and client satisfaction. **Your role and responsibilities:*** Perform advanced database performance tuning and optimization across Oracle, Postgre
SQL, MSSQL, and SYBASE environments. * Provide
- level support and guidance to internal DBA teams and external clients. * Ensure high availability, security, and reliability of database systems. * Monitor and analyze database performance metrics, identifying and resolving bottlenecks. * Collaborate with development and infrastructure teams to design scalable and efficient database solutions. * As part of R&D team, analyze new features and new databases, how it can be implemented in our software product* Support database migrations, upgrades, and patching activities. * Maintain documentation for database configurations, procedures and FAQ. **We expect you to have:*** Significant
- on experience as a Database Administrator, with a solid focus on Oracle. * Proficiency in Postgre
SQL, MSSQL, SYBASE, Maria
DB, and My
SQL. * Strong SQL scripting and query optimization skills. * Proven experience in performance troubleshooting and root cause analysis. * Solid understanding of Linux/Unix operating systems. * Good soft skills and a strong commitment to teamwork in a
- paced environment. * Oracle Certified Professional (OCP) or equivalent certifications. * Experience with cloud platforms such as Oracle Cloud Infrastructure (OCI) and Amazon Web Services (AWS) is considered a plus. * Familiarity with database monitoring tools and automation frameworks is considered a plus. * Competitive monthly base salary based on experience. * Annual monetary bonus. * An opportunity to become a Nasdaq shareholder. * Employee Stock Purchase Program Nasdaq stocks with a discount. * III pillar pension plan with additional contribution from Nasdaq. * Flexible health insurance program. * Flexible working schedule and hybrid way of work. * Additional paid leave days after 2 years of working at Nasdaq. * Flex day program (up to 6 paid days off a year). * Internal mentorship program – get a mentor or become one. * Wide selection of online learning resources, e. g. , Udemy and many more. **Why Apply:**This is a
- time position located in Lisbon, Portugal (hybrid work model). As the process is ongoing, please submit your application in English as soon as possible. Please note that you might be contacted by a Talent Acquisition Partner from Lithuania or Sweden, using a Lithuanian or Swedish phone number. **Come as You Are****Nasdaq is an equal opportunity employer. We positively encourage applications from suitably qualified and eligible candidates regardless of age, color, disability, national origin, ancestry, race, religion, gender, sexual orientation, gender identity and/or expression, veteran status, genetic information, or any other status protected by applicable law. ****We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request an accommodation. **At Nasdaq, we’re proud to be the engine behind the world’s capital markets. But we don’t stop there. We build the technology that drives transparency, trust, and access—helping economies grow and people thrive. Our purpose is to advance economic progress for all. Whether you’re a client, a colleague, or part of our broader community, we’re here to move markets—and possibilities—forward. Join our to stay in the loop on upcoming roles, events, and new opportunities across Nasdaq. Our hybrid work model, Nasdaq
Blend, gives you flexibility to do your best work—whether that’s from home, in the office, or a mix of both. Check the job listing or reach out to our team for
- specific details. We’re a global team of over 8, 500 innovators across 38 countries, united by a shared purpose: advancing economic progress for all. It’s not just what we do—it’.

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