At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Senior Power BI Consultant to join our UniQue team.
What will you be doing in this role?
- Provide expert configuration, tuning, and performance optimization of Power BI Server to ensure reliability and high performance.
- Assess existing deployments, identify bottlenecks, and implement Microsoft best practices.
- Deliver Level 2/3 support, including monitoring backups, logs, and system performance.
- Support Level 1 support activities and ensure timely resolution of Service Desk tickets within SLA targets.
- Manage incident, problem, and change processes, including impact assessments, coordination, patching, and upgrades.
- Perform planned Power BI on-premises patching and upgrades in line with security standards and release cycles (2–4 times per year).
- Design and deliver four Power BI dashboards, including three from existing HR data sources and one migrated from an existing reporting platform.
- Ensure robust data modeling, user-friendly design, and interactive reporting (filters, slicing, historical analysis).
- Contribute to BI architecture, data modeling standards, coding guidelines, and Standard Operating Procedures (SOPs).
- Deliver documentation, knowledge transfer, and end-user training, including workshops, mentoring, and handover validation.
Requirements
What do you need to succeed in this position?
- Bachelor's degree and at least 5 years of experience as a consultant on large-scale business application implementations, evidenced by project scope, role, and technologies used.
- Minimum 5 years of experience with MS SQL Server (2014 or higher), including complex SQL development and ETL processes.
- Minimum 3 years of experience with Power BI Report Server (on-premises) and Power BI Service (cloud), including administration, configuration, troubleshooting, and maintenance.
- Minimum 3 years of experience in Power BI development, including data modelling, DAX, and dashboard/report delivery.
- Minimum 2 years of experience in data modelling (normalized/denormalized structures, star and snowflake schemas).
- Minimum 2 years of experience in ITIL-based service management, including incident, problem, change, and request management (Level 2/3 support).
- Minimum 2 years of experience working in Agile environments.
- Strong analytical and problem-solving skills, including troubleshooting and root cause analysis.
- Strong communication skills with the ability to engage technical and non-technical stakeholders.
- Ability to work independently and in teams, produce technical documentation, and demonstrate full professional proficiency in English (C1 or equivalent).
It would be a plus if you have:
- Configure PBI Server to work with claims based ADFS authentication
- Knowledge of Oracle Databases
- Knowledge of KNIME Analytics Platform.
- Experience in developing in Java.
- Prior experience of working in an international environment comprising both military and civilian elements.
Skills Required
- Bachelor's degree and at least 5 years of experience as a consultant on large-scale business application implementations
- Minimum 5 years of experience with MS SQL Server (2014 or higher), including complex SQL development and ETL processes
- Minimum 3 years of experience with Power BI Report Server (on-premises) and Power BI Service (cloud), including administration, configuration, troubleshooting, and maintenance
- Minimum 3 years of experience in Power BI development, including data modelling, DAX, and dashboard/report delivery
- Minimum 2 years of experience in data modelling (normalized/denormalized structures, star and snowflake schemas)
- Minimum 2 years of experience in ITIL-based service management (incident, problem, change, request management) - Level 2/3 support
- Minimum 2 years of experience working in Agile environments
- Strong analytical and problem-solving skills, including troubleshooting and root cause analysis
- Strong communication skills to engage technical and non-technical stakeholders
- Ability to work independently and in teams, produce technical documentation, and deliver training/workshops
- Full professional proficiency in English (C1 or equivalent)
- Configure PBI Server to work with claims based ADFS authentication
- Knowledge of Oracle Databases
- Knowledge of KNIME Analytics Platform
- Experience in developing in Java
- Prior experience working in an international environment comprising both military and civilian elements
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.
