Senior database administrator (dba) - lisboa

Crossjoin Solutions is growing in Latin America! We’re an international IT consulting company, founded in Portugal and operating across Europe, LATAM, and North America.

Our mission? Deliver world-class performance, reliability, and innovation for clients in banking, insurance, healthcare, telecom, and financial services — supporting millions of users worldwide.

Now we’re looking for a Senior Database Administrator (Oracle / SQL / PostgreSQL) to join our high-performance team.

What you’ll do:

- Manage, optimize, and secure mission-critical databases

- Work with Oracle RAC, DataGuard, GoldenGate, and performance tuning

- Collaborate with international DevOps and infrastructure teams

- Drive scalability and reliability across multi-sector projects

What we value:

- Bachelor’s or Master’s Degree in Computer Science or a similar field.

- More than 5 years of experience in Administration and incident resolution for Oracle databases.

- Proven experience in the following technologies within the Oracle ecosystem:

- Oracle Data Guard (configuration and management).

- Oracle Real Application Clusters (RAC) (administration and operations).

- Oracle ASM and shared storage management.

- Oracle Restart.

- Oracle Golden Gate (implementation, monitoring, and troubleshooting).

- Spanish mandatory (minimum B2 level)

- English is mandatory (minimum B2 level).

- Participate in On-Call rotation

- Planned interventions during the weekend

- Willingness to work on international projects

Nice to have:

- Oracle Administrator Certified Professional certification in 12c/19c.

- Knowledge of Exadata, EXACS (Exadata Cloud Service)

- Experience in more than one database engine:

- SQL Server

- Postgresql

Why join Crossjoin:

- Global, multicultural, and collaborative work environment

- Continuous training and certification opportunities

- Merit-based culture that recognizes and rewards excellence

- Integration in a dynamic, goal-oriented, and cooperative team

- Health Insurance extendable to the family

- Crosser Assistance Program (Psychology, Psychosocial, Financial, Legal, and Nutrition consultations)

- Career Plan transversal to the entire company

- Monthly gym subscription

- Team-building events

- Annual Performance Bonus

Ready to join a company where performance meets purpose? Apply now and become part of our international growth story.