Senior Oracle Database Administrator
Há 2 dias
**Job Description: Job Title: Senior Oracle DBAJob Type: B2B ContractLocation: Lisbon, Portugal (Hybrid work - 2x week)Duration: 12 months initial contract + extension**Main Responsibilities Perform advanced performance tuning and optimization across Oracle, PostgreSQL, MSSQL, and Sybase environments. Deliver expert-level technical support to internal DBA teams and external client deployments. Ensure high availability, security, and resilience of all production and nonproduction database systems. Continuously monitor, analyze, and troubleshoot system and query-level performance bottlenecks. Collaborate with developers, DevOps, and infrastructure teams to design scalable, efficient database architectures. Participate in R&D initiatives by evaluating new database features and technologies for integration into the CV platform. Lead database migrations, version upgrades, and patch management processes. Establish and maintain robust documentation and best practice guidelines for database operations. Key Requirements 5+ years of experience as a professional DBA, with expert-level Oracle database administration. Hands-on experience with PostgreSQL, MSSQL, Sybase, and optionally MariaDB/MySQL. Deep knowledge of SQL scripting, query optimization, and execution plan analysis. Proven ability to conduct performance troubleshooting and root cause analysis in production environments. Solid understanding of Linux/Unix systems and shell scripting. Experience managing and supporting databases on cloud platforms, specifically Oracle Cloud Infrastructure (OCI) and Amazon Web Services (AWS). Nice to Have Familiarity with monitoring tools (e.g., Oracle Enterprise Manager, pgAdmin, etc.) and automation frameworks is a plus. Excellent communication skills and a team-oriented, proactive mindset. Oracle Certified Professional (OCP) or equivalent certifications. Experience working in agile/Scrum environments. Ability to engage with clients directly and provide consultation-level support. Other Details Work Model: Hybrid work setup — 2 days/week onsite at Spaces, Marquês de Pombal, Lisbon. Join a specialized DBA team that emphasizes technical discussions and collaborative problem-solving. Work on both internal platforms and external client environments.
-
Oracle Database Administrator
1 semana atrás
Lisboa, Portugal Adentis Portugal Tempo inteiroWith just over 7 years of experience in the Portuguese market, we share our DNA with more than 200 workers and position our offer according to 3 lines of service: Strategy (Outsourcing, NeXel, Team as a Service, Tech Academies); R&D (Bootcamps, POC, Tech Lab); Nearshore. In ADENTIS, we focus on PEOPLE. This is our emotional salary: Great Work-Life balance;...
-
Oracle Database Administrator
1 semana atrás
Lisboa, Portugal Adentis Portugal Tempo inteiroWith just over 7 years of experience in the Portuguese market, we share our DNA with more than 200 workers and position our offer according to 3 lines of service: Strategy (Outsourcing, NeXel, Team as a Service, Tech Academies); R&D (Bootcamps, POC, Tech Lab); Nearshore. In ADENTIS, we focus on PEOPLE. This is our emotional salary: Great Work-Life balance;...
-
Oracle Database Administrator
1 semana atrás
Lisboa, Portugal Adentis Portugal Tempo inteiroWith just over 7 years of experience in the Portuguese market, we share our DNA with more than 200 workers and position our offer according to 3 lines of service: Strategy (Outsourcing, NeXel, Team as a Service, Tech Academies); R&D (Bootcamps, POC, Tech Lab); Nearshore. In ADENTIS, we focus on PEOPLE. This is our emotional salary: Great Work-Life balance;...
-
oracle database administrator
2 semanas atrás
Lisboa, Portugal iTRecruiter Tempo inteiroORACLE DATABASE ADMINISTRATOR (HÍBRIDO LISBOA)Empresa portuguesa contrata para trabalho híbrido Localização:Lisboa, Portugal (2x por semana no escritório) É necessário que os candidatos para a vaga já estejam em Portugal Requisitos de Idioma:Português e Inglês fluentes Senioridade:7+ anos / DBA Oracle Sênior Setor: Banca & Serviços Financeiros...
-
Database Administrator
4 semanas atrás
Lisboa, Portugal Hexa Consulting Tempo inteiroAt Hexa Consulting, we promote transparency and support diverse career paths in the tech sector. Based in Portugal, we respond to the growing demand in the IT industry. Our mission is to build strong relationships, be a trusted partner through a distinctive approach to IT consulting, and contribute to the professional and personal growth of our team. We...
-
Database Administrator
4 semanas atrás
Lisboa, Portugal Dellent Tempo inteiroDellent is a consulting company focused in System Information and Telecommunications. Our goal is to help our candidates and consultants to take a step forward in their careers through projects that meet with their needs and expectations. In this project you will be working in a multicultural environment with a global positioning. With a strong customer...
-
Database Administrator
1 semana atrás
Lisboa, Portugal Inetum Tempo inteiro**Mission** We are seeking a skilled Database Administrator to manage Oracle databases. **Key Responsibilities**: - Management of Oracle Standalone, Cluster, and Oracle Exadata Cloud Customer databases. - Setup, upgrade, and migration of Oracle instances. - Backup and recovery of Oracle instances. **Profile** **Technical Skills**: - Oracle RAC - Big...
-
Oracle Database Administrator
Há 4 dias
Lisboa, Portugal askblue Tempo inteiroA AskBlue procura **Oracle DataBase Administrator **para integrar projeto na área da **banca**. **Perfil**: - Conhecimentos em administração de base de dados Oracle (preferencial) experiência relevante em desenvolvimento Oracle SQL (PL/SQL) - Proficiência em Unix/shell scripting e sistemas operativos Windows e Linux. - Inglês...
-
oracle database administrator
2 semanas atrás
Lisboa, Lisboa, Portugal iTRecruiter Tempo inteiroORACLE DATABASE ADMINISTRATOR (HÍBRIDO LISBOA)Empresa portuguesa contrata para trabalho híbridoLocalização:Lisboa, Portugal (2x por semana no escritório) É necessário que os candidatos para a vaga já estejam em PortugalRequisitos de Idioma:Português e Inglês fluentesSenioridade:7+ anos / DBA Oracle Sênior Setor: Banca & Serviços...
-
Database Administrator
Há 4 dias
Lisboa, Portugal Noesis Tempo inteiro**Description**: **Noesis is looking for professionals whith the following profile**: - Bachelor's degree in Information Technology, Computer Science or related field; - At least 8 years of experience working as an Database Administrator; - Knowledge of Oracle, SQL Server or Sybase is mandatory; - Experience with procedural development and query tuning; -...
