Oracle Database Administrator
Join Us at Closer Consulting!
Mutual Respect, Empathy, Innovation and Professional Pride. Do you see yourself within these values?
Founded in 2006 under the mission "To Challenge Complexity", Closer Consulting is a Data Science company specialized in Business Intelligence, Advanced Analytics and Artificial Intelligence.
By developing projects in the most diverse industries – Banking, Telecommunications, Health, Retail, Energy, Insurance or Aviation – we analyze data, transforming it into knowledge for our clients, allowing them to adopt the best
- making for their respective organizations and businesses.
We are now looking for an IT Administrator – Oracle Database Technical Specialist willing to accept new challenges in our Closer team in a hybrid project based in Lisbon.
Key Responsibilities:
- Lead and manage system enhancement initiatives from technical requirements gathering to implementation
- Administer Oracle databases (12c/19c), ensuring performance, scalability and reliability
- Troubleshoot live system issues (performance bottlenecks, high resource usage, etc. )
- Perform root cause analysis and implement sustainable solutions for recurring incidents
- Optimize queries, indexes and database structures for performance improvement
- Support global teams and manage
- site coordination (Portugal, US, India) - Monitor infrastructure: storage, logs, backups, and network health
- Conduct backup/recovery, user access management, patching and ETL activities
- Document and improve processes, ensuring consistency and alignment with standards
Technical Profile:
- 5+ years as Database Administrator with expertise in Oracle 12c/19c
- Strong experience in index tuning, query optimization, and database performance troubleshooting
- Experience in database lifecycle management, including data purging and automation
- Knowledge of Postgre
SQL or MS SQL is a plus - Experience in infrastructure planning and implementation is valued
- Fluent in English (mandatory)
Personal Profile:
- Proactive and analytical mindset with strong
- solving skills - Ability to work under pressure and across international teams
- Comfortable with
- paced environments and shifting priorities - Clear communicator with capacity to translate technical issues into actionable plans
We believe we are the ones to, by:
Providing a Multidisciplinary Team.
Giving a home office kit, with everything you need to perform remotely.
Ensuring a career plan alongside with professional growth.
Providing you with a custom training plan.
Helping you reach happiness.
Oh… and by the way, we also have:
Several challenging complex projects.
Stimulating teams and leaders.
World-class Clients and Partners.
If you believe in this match as much as we do, send us your CV to sara. durao@closer. pt and reach the closest side of life.
Closer is a company that values diversity and inclusion. We are committed to fostering an environment where everyone is treated with dignity and respect, regardless of race, gender, beliefs, sexual orientation, physical or mental disability, or other personal characteristics.
At Closer, we embrace the unique perspectives and experiences that everyone brings, and we believe that it is a fundamental driver for the success we've achieved.
- Informações detalhadas sobre a oferta de emprego
Empresa: Closer Consulting Localização: Lisboa
Lisboa, Lisboa, PortugalPublicado: 26. 12. 2025
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