Oracle Database Administrator

Porto, Portugal
Mid-level (2-3 Years)
Hybrid
English Required

What is this challenge about:

  • Ensure the stability, performance, and security of Oracle database environments across production and non-production systems.
  • Manage and maintain Oracle database instances, including Oracle 11g, 12c, and 19c, across both RAC and Single Instance architectures.
  • Design and implement backup and recovery strategies using Oracle Recovery Manager (RMAN), ensuring data integrity and business continuity.
  • Configure and maintain Oracle Data Guard environments to support high availability and disaster recovery objectives.
  • Perform in-depth troubleshooting and debugging of database performance issues, identifying root causes and implementing corrective and preventive measures.

What we are looking for:

  • 3+ years of professional experience as an Oracle Database Administrator with a strong focus on automation, performance, and reliability.
  • Hands-on experience with Oracle 11g, 12c, and/or 19c in enterprise environments.
  • Solid expertise in Oracle RAC (Real Application Clusters) and Single Instance configurations.
  • Proven experience with Oracle Recovery Manager (RMAN) for backup, recovery, and database duplication strategies.
  • Practical knowledge of Oracle Data Guard for high availability and disaster recovery solutions.
  • Strong debugging and troubleshooting skills, with the ability to perform root cause analysis and resolve complex database incidents.
  • DevOps mindset with a focus on automation, scalability, and continuous improvement of database operations.
  • Fluency in English (mandatory).

We connect IT professionals with projects that match their skills, professional experience, and goals, then we offer a career progression program, delivered by in-house specialists - our People Experience Partners - to guide them through our journey with us.

What we offer:

  • A project that matches your skills and ambitions, as well as your preferences for working policies and culture.
  • A competitive salary with awesome benefits and opportunities to leverage your knowledge and network to earn additional income.
  • An empowering and respectful work culture enriched with social and learning events.
  • A People Experience Partner specially assigned to you - your go-to career guide, responsible for supporting your growth, facilitating training, and ensuring your work-life balance at KWAN.
At KWAN, they make sure that I feel comfortable with the client I’m working for and that what I’m doing aligns with my career aspirations.
Luis Caldeira, DevOps @ KWAN
At KWAN, I’m given the space to be myself and do what I love. I have control over the projects I work on, as well as the direction of my career.
Pedro Fonseca, Front End Developer @ KWAN
I see my People Experience Partner as someone who is always available to provide me with motivation and constant feedback, which helps me be sure that I am in the right place.
Josimar dos Reis, Software Developer @ KWAN
I know that I’ve contributed to the growth of a company that truly values a “people first culture”, because my ideas, experiences, and individuality were always appreciated.
João Nascimento, Software Developer (KWAN Alumni)
My two years at KWAN were an incredible experience! From the start, I was welcomed into a warm and collaborative environment where I felt truly supported.
Laís Ortiz, Software Developer @ (KWAN Alumni)
Grab this opportunity, apply now!

What You Can Expect as a KWANer

Respect isn’t optional here

You’re trusted to deliver and supported to speak up.

Dedicated People Experience Partner

Someone accountable for your growth, not your allocation.

Continuous learning, built in

Learning that keeps pace with the systems you build.

Recognition that’s visible

Your impact doesn’t go unnoticed. Through our Rocket Points System, we constantly recognize your contributions.

A culture you can feel

From movie and quiz nights to dinners and our annual summer gathering, we don’t just work together - we build real connections.

Flexible spaces to work your way

Remote-first, with physical hubs when you want connection.

Didn't find your mission yet?


Strong profiles don’t always match timing. That doesn’t mean there isn’t alignment.

Tell Us About You

We review every application. If there’s alignment, we won’t let it get lost in a database.