Database Engineer

GIS360 is a global IT services and technology solutions provider delivering help desk support, managed IT services, field engineering and engineer dispatch, infrastructure and network support, cybersecurity, Microsoft Dynamics 365 and ERP expertise, wireless services, technical resourcing and compliant IT asset disposal.

We coordinate cross-country operations through our presence in Portugal—including Beja, Lisbon and Porto—with additional operational coverage in Spain through Madrid, Barcelona and Sevilla, and across the United Kingdom. This footprint enables GIS360 to combine central service coordination with responsive local delivery for organisations operating across multiple locations.

Our company expertise brings together service governance, SLA-driven operations, technical consulting, vendor coordination and qualified local engineering capability. We help customers standardise technology delivery, strengthen operational resilience and access the right specialists wherever their business requires support.

GIS360 is looking for a skilled Database Engineer to design, maintain, optimise, secure and support enterprise database environments.

You will work with relational database platforms, data integrations, performance optimisation, backup and recovery, security, monitoring and troubleshooting while supporting business-critical applications and international client environments.

This is a full-time hybrid/on-site role based in Portugal, with collaboration across GIS360 operations in Beja, Lisbon and Porto and occasional client-site activity when required by a project.

• Design, deploy, configure, maintain and optimise relational database environments.
• Administer Microsoft SQL Server and other enterprise database platforms.
• Monitor database performance, availability, capacity and system health.
• Diagnose and resolve database performance issues through structured investigation and root-cause analysis.
• Develop and optimise SQL queries, stored procedures, functions, views and other database objects.
• Perform query tuning, indexing analysis and execution-plan review.
• Implement and test database backup, restore, recovery and disaster-recovery procedures.
• Maintain database security, permissions, roles and access controls.
• Support database upgrades, migrations, patches and version changes.
• Assist with data-migration, integration and platform-modernisation projects.
• Monitor database jobs, alerts, replication and scheduled processes.
• Support high-availability and business-continuity solutions.
• Maintain accurate technical documentation, operational procedures and recovery records.
• Collaborate with application developers, infrastructure engineers, ERP consultants, security teams and client technical teams.
• Support production environments and participate in incident resolution when required.

• Bachelor's degree in Computer Science, Information Technology, Software Engineering, Computer Engineering, Information Systems, Data Science, Database Technologies or a closely related field.
• At least three years of relevant professional experience in database engineering, administration or enterprise database support.
• Experience supporting production database environments and business-critical applications.
• Experience working in enterprise or international client environments.
• Strong professional English communication skills.
• Strong practical knowledge of Microsoft SQL Server, SQL and T-SQL.
• Database administration, query optimisation, indexing and execution-plan analysis.
• Stored procedures, views, functions and relational database design principles.
• Backup, restore, recovery and disaster-recovery procedures.
• Database security, permissions, roles and controlled access.
• Performance monitoring, capacity awareness, data migration and structured troubleshooting.
• Understanding of high-availability concepts and Windows Server fundamentals.
• Clear technical documentation and the ability to work responsibly with production data.

• Azure SQL Database or Azure SQL Managed Instance.
• PostgreSQL, MySQL / MariaDB or Oracle Database.
• SSIS, ETL / ELT processes and data-warehousing concepts.
• PowerShell, Microsoft Azure, Microsoft Fabric or Power BI.
• Git, CI/CD and database deployment automation.
• Experience with ERP database environments, including Microsoft Dynamics 365 or SAP-related platforms.
• Relevant Microsoft database, Azure, Oracle, PostgreSQL or cloud database certification.

• Work on enterprise database services with practical responsibility and visible outcomes.
• Collaborate with software, cloud, infrastructure, cybersecurity and ERP specialists.
• Gain exposure to international customers and varied production environments.
• Develop deeper expertise across database reliability, cloud data platforms and operational engineering.
• Hybrid working across Beja, Lisbon and Porto, with project-based client engagement where required.

GIS360 combines practical engineering with consulting discipline. You will contribute to business-critical services and international client environments while working alongside specialists in software, data, cloud, infrastructure, cybersecurity, ERP and managed services.

• Meaningful ownership of technical work from analysis through production support.
• Cross-functional collaboration with experienced technical and consulting teams.
• Exposure to enterprise platforms, international customers and varied delivery environments.
• A professional setting that values reliable engineering, security, documentation and continuous improvement.
• Hybrid collaboration through GIS360 operations in Beja, Lisbon and Porto.

Our teams work with clear responsibilities, practical delivery standards and respect for the customer environment. Engineers are expected to communicate openly, document decisions, raise risks early and build solutions that colleagues can operate and maintain.

GIS360 supports learning through real project exposure, collaboration across disciplines and the opportunity to deepen both technical and client-facing skills. The role may involve remote work, office collaboration and planned activity at customer locations according to project needs.