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Database Administrator em Lisboa, Portugal is listed on Jobeax. Browse 30,000+ vacancies available.

At IRIUM we want you to always chase your dreams. Here, prepare yourself to conquer your goals, while enjoying the journey.

We are currently looking for: Database Administrator – Oracle, Microsoft SQL Server & PostgreSQL

Requirements:

We are currently looking for an experienced Database Administrator with a strong background in Oracle, Microsoft SQL Server and PostgreSQL , to manage critical and high-availability database environments, ensuring performance, security, reliability and business continuity.

Required Competencies:

Minimum 5 years of experience in database administration in critical and high-availability environments
Strong experience with Oracle, Microsoft SQL Server and PostgreSQL
Knowledge of MySQL
Experience with Linux, Unix and Windows Server
Experience with database version upgrades and migrations
Strong experience in query and performance optimisation
Experience troubleshooting and resolving complex database incidents
Experience implementing backup, restore, contingency and Disaster Recovery (DR) strategies
Experience participating in restoration and recovery tests
Experience implementing database security policies and managing users, roles, permissions and access
Experience with task automation using Bash, Cron, PowerShell and/or Python

Oracle:

Installation, configuration, maintenance, monitoring and expansion of Oracle databases
Advanced administration of Oracle RAC, ASM, Data Guard, GoldenGate and Enterprise Manager (OEM)
Disk management using ASM
Backup and recovery management using RMAN
Performance tuning, including query optimisation, deadlock analysis and parameter tuning
Experience with SQL Tuning Advisor, AWR and Execution Plans
Experience with Grid Infrastructure, Exadata Cloud and Cloud Control
Administration of advanced resources including MGW, ACLs, AQ/MQ and certificates
Technical support for related servers and platforms

Microsoft SQL Server:

Installation and configuration of Microsoft SQL Server instances and related tools, including SQL Server Management Studio (SSMS)
Management of users and roles at server and database levels
Backup and restore administration and recovery model configuration
Security and access policy management
Performance monitoring, incident resolution and query optimisation
Version upgrades and migrations
Implementation of contingency and Disaster Recovery plans
Management of fixed and custom roles and permissions

PostgreSQL:

Installation, configuration and maintenance of PostgreSQL Server
User and role management based on the principle of least privilege
Creation and assignment of specific roles according to access requirements
Backup and restore administration using pg_dump and pg_restore
Scheduling of maintenance tasks, including vacuum and log analysis
Resource and performance monitoring, parameter tuning and incident resolution
Secure authentication configuration using SCRAM-SHA-256 and SSL
Password and expiration policy management
Experience with pgAdmin for database administration and task automation

Preferred Competencies:

Intermediate or advanced Spanish
Experience in multinational and dynamic technical environments
Strong knowledge of database automation and continuous improvement practices

Soft Skills:

Strong analytical and complex problem-solving skills
Ability to manage complex incidents and projects
Clear communication with technical and business teams
Proactive and results-oriented mindset
Ability to work under pressure and manage priorities effectively
Adaptability to dynamic environments and emerging technologies
Ability to work independently in a multinational environment
Strong commitment to continuous improvement

Languages:

Portuguese – Native
English – Advanced Technical Level (spoken and written)
Spanish – Intermediate/Advanced (nice to have)

Location: Lisbon – Hybrid
Salary Range: €1.900–€2.100 gross/month

Note: Includes all components: Fixed, Variable, Meal Allowance, Remote Work, and Benefits.

What do we offer?

An innovative and growing company, with a lot of opportunities for professional development.

Retribution according to your experience and performance. Access to flexible pay and medical insurance as a social benefit.

Unlimited access to technological training in free mode.

IRIUM is a company with dynamic and proactive professionals. Our values are responsibility and commitment to work quality. This is the spirit we are looking for at IRIUM, whatever your age is. If you recognize yourself in this, this is your company!

We can build the future together. Let’s talk!

At IRIUM we defend a world without stereotypes or limitations and we believe in equality for all, principles that we subscribe to in our Equality Plan and Code of Ethics, guaranteeing equal treatment and opportunities regardless of any personal, physical or social condition.

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