Lisboa Senior Database Engineer

Location: Description: Do you want to join one of the largest professional services organizations in the market? Then Deloitte is the place for you. Here, you will have the opportunity to boost your career and strengthen your skills within our technology ecosystem. We are an international Tech Hub and we are looking for the best Cybersecurity specialists to join our centers of excellence and our community. At Deloitte, you will transform the world as we know it and develop unique and innovative solutions across a wide range of complex transformation projects, from Portugal to the world. We are strengthening our Cyber area and are looking for experienced professionals who enjoy and have a natural aptitude for working in teams and in multi-project environments. You can discover all the roles you may perform, according to your profile, and take the next step in your career! Will you join us? We are waiting for you. Your day-to-day responsibilities: Database Operations and Lifecycle Management Manage end-to-end database platforms, including Microsoft SQL Server, PostgreSQL, Oracle, MariaDB, and MongoDB. Implement, configure, initialize, and decommission database instances across on-premises and hybrid environments. Execute patching and upgrade cycles in accordance with vendor recommendations and internal maintenance windows: Microsoft SQL Server (monthly); PostgreSQL, MariaDB, and MongoDB (quarterly); Oracle (semi-annually). Ensure database environments remain secure, supported, and compliant with lifecycle and obsolescence policies. Database Migration and Transformation Plan and execute database migrations (version upgrades, platform changes, consolidation, and modernization initiatives). Assess risks, dependencies, and downtime requirements during migrations, ensuring minimal disruption to services. Support transformation initiatives, including legacy database replacement, architecture redesign, and cloud readiness assessments. Backup, Recovery, and Disaster Recovery Design, implement, and maintain robust backup and recovery strategies, ensuring data integrity and compliance with Recovery Point Objectives (RPO) and Recovery Time Objectives (RTO). Regularly validate recovery procedures through testing and supporting documentation. Define, implement, and maintain Disaster Recovery (DR) strategies, including replication, failover testing, and documented recovery procedures. Act as a key contributor during critical incidents and recovery scenarios, providing technical leadership and root cause analysis. Performance, Monitoring, and Reliability Perform proactive monitoring, health checks, and performance tuning of database environments. Analyze capacity trends and anticipate scalability requirements. Develop and execute scripts for reporting, automation, and enhanced operational visibility. Ensure timely escalation and resolution of critical database-related incidents. Governance, Compliance, and Documentation Work in strict compliance with ITIL 4 processes (Incident Management, Change Management, Problem Management, and Service Request Management). Ensure compliance with data residency, access control, and security policies. Maintain up-to-date documentation, including architecture diagrams, operational procedures, backup and disaster recovery plans, and migration plans. Support audits and compliance processes by providing operational evidence and clear reporting. Obsolescence and Asset Management Identify obsolete database versions and unsupported platforms. Define remediation plans, including upgrades, migrations, or platform decommissioning. Ensure accurate asset tracking and lifecycle reporting. Are you the one we are looking for? Bachelor’s degree in Computer Science, Computer Engineering, Information Technology, or a related field. Strong hands-on experience managing enterprise database environments. Proven experience with database upgrades and migrations, backup and restore operations, and Disaster Recovery implementation. Experience coordinating with remote teams and external service providers. Strong understanding of enterprise IT architectures and operational governance. Advanced expertise in MongoDB, MySQL, PostgreSQL, MariaDB, Microsoft SQL Server, and Oracle. Deep knowledge of backup, recovery, and disaster recovery best practices. Experience in database performance optimization and capacity planning, as well as familiarity with database monitoring and alerting tools. Experience with scripting and automation to improve operational efficiency will be valued. Methodical, proactive, and problem-solving mindset. Strong sense of responsibility and commitment in production environments. Ability to work effectively in multicultural and geographically distributed teams. High adaptability to evolving priorities and complex environments. Relevant cybersecurity certifications will be considered an advantage. Fluency in English (written and spoken). Availability to travel as required. Build a career tailored to you In a diverse work environment that enables continuous development and learning; Through a personalized career development plan (skills, technical and functional opportunities) aligned with your current stage, needs, and goals; By participating in national and international projects with significant scale and impact in this area of expertise; Unlimited access to leading online learning platforms (LinkedIn Learning and Udemy); Opportunities for training and certifications in the latest technologies, particularly Cloud technologies. Experience a culture of togetherness A culture of innovation and excellence that makes us leaders and trendsetters; A friendly environment built on respect, trust, transparency, and informality; A lifelong network that connects you to top knowledge alongside leaders and specialists; An opportunity to be part of our communities (Tech, innovation, sports, and other interests) and actively participate in social responsibility initiatives. About Deloitte At Deloitte, you will never work alone. You will have the opportunity to join various transformation projects and be part of a team that will inspire you and help you develop differentiated solutions in a dynamic and collaborative environment, where you can perform at your best while benefiting from our wellbeing and flexibility initiatives. We are more than 5,500 people in Portugal, of whom more than 2,600 work in technology areas, from offices and Digital Studios in Lisbon, Porto, Braga, Viseu, Coimbra, and Faro, as well as technology hubs in Braga. In addition, our teams in Portugal have international reach, demonstrating our strong global leadership in low-code/no-code, telecommunications network engineering, organizational transformation technology platforms (ServiceNow and Apptio), and the financial services industry (Finastra, TIA, and Guidewire). If you are interested in exploring and developing your skills in any of these technology areas, including software engineering, cloud, systems integration, data analytics & data science, cyber risk, telecommunications network engineering, and UX design, and would like to work with technologies such as AWS, Google, Oracle, Salesforce, SAP, MuleSoft, Feedzai, and SAS, among others, then you are in the right place! Learn more at www.deloitte.com/pt/careers . Keywords : About Deloitte; Consulting; Technology #LI-HYBRID #LI-CA1 #TECHDTT #Experienced Date: Sep 1, 2026