At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Database Engineer to join our UniQue team.
What will you be doing in this role?
- Manage installation, configuration, upgrades, and backups of database systems and related products both on-premises and in the cloud
- Design, develop, and maintain data collection, transformation, and integration processes across multiple on-premises and cloud RDBMS platforms
- Monitor database performance, availability, and capacity, proactively identifying and resolving issues to ensure optimal service delivery.
- Develop and manage automation tools, scripts, and workflows for database administration, monitoring, maintenance, and operational reporting.
- Produce dynamic reports and standardized templates to support database configuration management, performance monitoring, and lifecycle tracking;
- Support database migrations and modernization initiatives involving Azure and other cloud database services.
- Collaborate with application, infrastructure, and cloud engineering teams to ensure optimal database performance, reliability, and scalability.
- Establish and maintain data governance and quality standards within reporting and integration processes;
- Stay current with database technology roadmaps, contributing to continuous improvement of lifecycle management, security, and data reliability.
- Produce and maintain technical documentation, operational procedures, architectural designs, and support runbooks.
Requirements
What do you need to succeed in this position?
- Minimum of a bachelor's degree, combined with expert-level knowledge and hands-on experience in Microsoft SQL Server administration, development, performance tuning, troubleshooting, and optimization.
- Strong experience designing, implementing, and supporting High Availability (HA) and Disaster Recovery (DR) solutions, including:
- Always On Availability Groups
- Failover Clustering
- Replication
- Backup and recovery strategies
- Experience managing databases across cloud platforms, preferably Microsoft Azure, including Azure SQL Database, Azure SQL Managed Instance, and Azure Virtual Machines.
- Experience administering and supporting open-source database technologies, including PostgreSQL and MySQL/MariaDB.
- Experience with NoSQL database technologies, preferably MongoDB.
- Proficiency in database automation and scripting using PowerShell, T-SQL, and/or Python.
- Strong understanding of relational database design, normalization, indexing strategies, query optimization, and capacity planning.
- Experience implementing Infrastructure as Code (IaC), CI/CD pipelines, and database deployment automation practices.
- Experience working with containerized and virtualized environments.
- Strong understanding of database monitoring, observability, and performance management tools.
- Experience ensuring data quality, consistency, and governance across integrated systems while adhering to organizational data standards and compliance requirements.
- Experience implementing secure database management practices, including access control, encryption, auditing, and vulnerability management.
- Proven ability to lead technical investigations, perform root cause analysis, and resolve complex database incidents and problems.
- An active NATO Secret-level security clearance at the time of application is required.
- Fluency in English.
At Uni Systems, we are providing equal employment opportunities and banning any form of discrimination on grounds of gender, religion, race, color, nationality, disability, social class, political beliefs, age, marital status, sexual orientation or any other characteristics. Take a look at our Diversity, Equality & Inclusion Policy for more information.
Skills Required
- Bachelor's degree
- Expert-level Microsoft SQL Server administration, development, performance tuning, troubleshooting, and optimization
- Designing and supporting High Availability and Disaster Recovery solutions (Always On Availability Groups, Failover Clustering, Replication, backup/recovery)
- Experience managing cloud databases including Azure SQL Database, Azure SQL Managed Instance, and Azure Virtual Machines
- Administration and support of PostgreSQL
- Administration and support of MySQL/MariaDB
- Experience with NoSQL technologies (preferably MongoDB)
- Proficiency in database automation and scripting using PowerShell, T-SQL, and/or Python
- Strong understanding of relational database design, normalization, indexing strategies, query optimization, and capacity planning
- Experience implementing Infrastructure as Code, CI/CD pipelines, and database deployment automation
- Experience working with containerized and virtualized environments
- Experience with database monitoring, observability, and performance management tools
- Experience ensuring data quality, consistency, governance, and compliance
- Experience implementing secure database management practices (access control, encryption, auditing, vulnerability management)
- Proven ability to lead technical investigations, root cause analysis, and resolve complex database incidents
- Active NATO Secret-level security clearance at time of application
- Fluency in English
What We Do
Uni Systems, a member of Quest Group, has been a reliable ICT partner to companies and organizations in the European market for over 60 years. We are the first IT company founded in Greece, in 1964, and we have been supporting our clients ever since. Trusting customers, extensive solutions offering, strong partnerships and experienced people, those are the main grounds for Uni Systems’ rapid expansion of operations across geographies and industries. With more than 1450 specialized ICT professionals, established presence in more than 20 countries, and branches and subsidiaries in the heart of the European Union (Athens, Barcelona, Brussels, Bucharest, Luxembourg and Milan), we are effectively addressing the needs of European and International organizations and institutions and delivering value-added integrated solutions to our customers. Through our strong industrial vertical expertise, supported by the range of our horizontal solutions, we hold a substantial and successful track record in the delivery and implementation of large-scale, mission-critical projects in the sectors of Banking & Finance, Enterprise & Utilities, Government, and Telecommunications, as well as in EU Institutions and Agencies. Participations in real commercial implementations of best practices (i.e. ITIL, RUP, PRINCE2, PMI), has provided our people with significant experience, unique know-how and proven capability in designing, implementing and successfully supporting complex ICT projects, through a range of solutions and business areas. At Uni Systems, we support innovation, and we have been investing in the European and National research ecosystem. Our Research and Innovation (RDI) department has been successfully bidding and winning a series of research programs in promising technological areas, such as 5G, AI in Health, and Blockchain in Governance. Enabling our clients' digital transformation journey is our passion and we remain strongly committed to it.
