Oracle Database Administrator

As an Oracle Database Administrator , you will make an impact by implementing and migrating Oracle database environments as a key contributor to the Stratos DB work package . You will be a valued member of the Infrastructure & Data Engineering team, working collaboratively with project leads, architects, and technical workstream owners to ensure a seamless and high-quality database migration delivery. In This Role, You Will:

Lead and execute Oracle database schema migrations , ensuring data integrity, minimal downtime, and adherence to cutover planning milestones.

Perform performance tuning across Oracle environments, optimizing queries, indexes, and database configurations for peak operational efficiency.

Design and manage cutover planning activities , coordinating with stakeholders to define rollback procedures and go/no-go criteria.

Configure and maintain Oracle RAC and Data Guard environments to ensure high availability and disaster recovery readiness.

Evaluate and apply migration tooling (e.g., Oracle Data Pump, GoldenGate, or equivalent), recommending the appropriate toolset for each migration scenario. Work Model We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring presence in a Cognizant or client office in the Netherlands on agreed days per week. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs. The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured, we will always be clear about role expectations. What You Need to Have to Be Considered

8+ years of Oracle DBA experience , including production environment ownership and management.

Proven hands-on experience with Oracle RAC (Real Application Clusters) and Oracle Data Guard configuration and administration.

Strong knowledge of database migration tooling such as Oracle GoldenGate, Data Pump, or equivalent migration frameworks.

Demonstrated experience in performance tuning at the database, SQL, and instance level.

Experience in cutover planning , including pre-migration testing, rollback strategy, and stakeholder coordination. These Will Help You Stand Out

Familiarity with cloud-hosted Oracle environments (e.g., Oracle Cloud, AWS RDS for Oracle, or Azure).

Knowledge of ITIL-based change management processes within enterprise IT environments.

Experience working within large-scale IT infrastructure transformation programmes or workpackage-based delivery models.

Scripting skills in Shell, Python, or PL/SQL for automation of DBA tasks. We’re excited to meet people who share our mission and can make an impact in a variety of ways. Don’t hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role. What We Offer

Competitive salary

Access to Udemy and Cognizant Academy for continuous learning

NS Business Card for public transport

25 paid holidays per year

Laptop and smartphone provided

Pension scheme

Work within a technology-driven organization

Open team spirit and collaborative culture