Oracle Database Administrator

Hexa Consulting

Portugal

On-site

EUR 40,000 - 60,000

Full time

14 days+

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Job summary

A leading IT consulting firm in Portugal is seeking an Oracle Database Administrator to support a demanding project. The ideal candidate will have over 5 years of experience with Oracle 12c/19c and will be responsible for troubleshooting, optimizing database performance, and leading technical efforts. This full-time position requires strong problem-solving skills and fluency in English. Join us to enhance your career in a fast-paced global environment.

Qualifications

5+ years of experience as a Database Administrator (DBA).
Hands-on expertise in Oracle 12c/19c is required.
Experience with other database systems is a plus.

Responsibilities

Gather and document technical requirements for system enhancements.
Drive the change request process for system updates.
Lead technical testing efforts to validate changes.
Troubleshoot and resolve live system issues, including performance bottlenecks.

Skills

Oracle 12c/19c expertise

Performance optimization

Database lifecycle management

Analytical problem-solving

Fluent English

Tools

PostgreSQL

MS SQL

Job description

At Hexa Consulting we want to spread transparency and enable diverse tech careers. Based in Portugal, we support the increasing demand in the IT sector.

Our mission is to build strong relationships, be a leading partner through a differentiated approach in IT consulting, and contribute to the professional and personal development of our team.

We work with Nearshore projects, TM & Project Development, Service & Service Management, and Tech Academies.

What are we looking for?

Oracle Database Administrator

We are looking for an Oracle DBA to lead the needs of a new highly demanding project. The person in this role will perform level three support to all databases and respective servers used by the Custody department. Ensure best practices are in place from development to production. Constant coordination and discussion within house or third-party developers for upcoming developments and ongoing improvement opportunities.

Responsibilities

Gather and document technical requirements for system enhancements and updates.
Drive the change request process for system updates, ensuring alignment with business and technical needs.
Lead technical testing efforts to validate changes and ensure smooth production deployment.
Own and execute assigned initiatives, from launch through to completion, while tracking progress.
Monitor and adhere to project deadlines, proactively escalating risks or delays.
Identify system gaps, inefficiencies, or weaknesses, and propose actionable improvements.
Enforce and communicate project standards, ensuring consistency across deliverables.
Prioritize and manage assigned projects independently, taking full ownership of tasks and outcomes.
Liaise with stakeholders (e.g., business teams, developers, vendors) and provide timely status updates.

Troubleshoot and resolve live system issues, including:

Application performance bottlenecks;
Query and application tuning;
Assess alternative solutions and workarounds to minimize operational impact during incidents;
Provide Level 3 support: Perform root‑cause analysis and implement permanent fixes for recurring issues;
Track and document issue resolution progress, ensuring transparency and follow‑up;
Availability and disk space utilization (drives, file systems);
Alert logs, backup logs, and network logs for anomalies;
Support global teams (US, India, Portugal) by addressing database‑related inquiries and incidents;
Software installation and patch management;
Data import/export and ETL processes;

Perform routine DBA activities, such as:

Backup/recovery management;
User access and security maintenance;
Database health checks and proactive tuning.

Qualifications

• Thrive in a fast‑paced global environment, adapting to evolving priorities and cross‑functional

• 5+ years of professional experience as a Database Administrator (DBA), with hands‑on expertise in Oracle 12c/19c (required).

• Experience with other database systems (e.g., PostgreSQL, MS SQL) is a plus.

• Performance optimization skills: Proven ability in index tuning, query optimization, and troubleshooting database performance issues.

• Database lifecycle management: Experience with data cleanup, historical data purging, and automation.

• Analytical and creative problem‑solving: Ability to assess change requests, issues, or challenges, propose solutions, and translate technical concepts into schematics, diagrams, or documentation for discussions and reporting.

• IT infrastructure involvement: Contribute to planning, sizing, and implementation of IT projects.

• Fluent in written and spoken English (required).

Seniority level