Power BI Reporting Manager

Náplň práce, právomoci a zodpovednosti:
Main responsibilities:

• Consult and design most effective and valuable solution for customers and theirs needs taking into consideration all the technical and legal possibilities with perfect understanding of business background, relations and implications of assigned business area.
• Coordinating activities with other units – bridge between Reporting & Controlling and IT division.
• Dataset preparation - KPI calculation knowledge, query building (iCubes, Tabular models, SQL, AfO, SAP HANA Studio etc.), creating relational data models
• Design of complex report visualization in frontend tools (PowerBI, MicroStrategy, Excel, PowerPoint, ThinkCell etc.)
• Ensuring monthly delivery of high-complexity reporting products
• Overall responsibility for data quality towards customer
• Quality assurance – logical and technical checks implementation, deltas verification (KPI validation process for Actuals and Plannings)
• Managing report changes and rebuilds (YE conversion, changes in reporting and business structures)
• Driving process improvements, automation, digitalization, efficiency
• Active participation on projects, preparing of presentations for management
• Training activities and supporting other colleagues within the team on related topics and processes
• Setting and regularly reviewing process documentation.
• Reporting issues, breaks, risks, improvements to Team Leader.
• Working in international virtual customer teams of multiple functions and competencies
• Design, develop, and maintain enterprise reporting and analytics solutions using Microsoft Power BI.
• Develop and optimize semantic (Tabular) models, DAX measures, and report performance.
• Design and implement robust data models based on data warehousing and dimensional modeling best practices. 
• Develop and maintain ETL processes using SQL and SSIS.
• Contribute to BI architecture and technical design decisions. 
• Ensure compliance with data governance, security, privacy, and access management standards.
• Optimize SQL queries, semantic models, and reporting performance.
• Collaborate with business stakeholders to translate business requirements into scalable technical solutions.
• Drive continuous improvements, automation, and standardization across the BI landscape.
• Share technical knowledge and support other team members.
Emphasis on:
• Strong experience in data modelling.
• Designing scalable, consistent and sustainable data models. • Translating business requirements into robust data structures.
• Supporting architectural decisions.
• Experience documenting cloud architectures and technical solutions, including architecture decisions and project documentation.
 • Experience analysing large and complex datasets.
• Ability to identify patterns, trends and root causes in data.
• Translating analytical findings into actionable business recommendations.
• Experience using AI-supported tools (e.g. Microsoft Copilot, ChatGPT or similar solutions) to support data analysis and reporting.
We work in a HYBRID STYLE of working with the possibility of working from home , but twice a week we meet in the office in Košice or Bratislava for meetings.

The published salary is the minimum possible offer.
The starting salary may be higher depending on the extent of fulfillment of the employee's requirements (education, language skills, required practice, personality assumptions and skills).

Zamestnanecké výhody, benefity:
• Annual Bonus (Variable Pay): In accordance with the employer’s compensation Remuneration policy, employees are eligible for an annual bonus of up to 5% of their annual base salary total cash, subject to achieving 100% of the performance criteria defined by the employer.* 
• Meal Allowance: Meal contribution of EUR 7.50 per working day, of which EUR 6.50 is paid by the employer, provided in advance via a Ticket Restaurant card or as a financial allowance. 
• Cafeteria Benefits: Monthly contribution of EUR 25 to the Cafeteria benefits system or a MultiSport card.* 
• Company Mobile Phone: Company mobile phone for both business and personal use, including unlimited calls, SMS/MMS, and 15 GB of EU roaming data at 4G speed. After the data allowance is consumed, the speed is reduced to 128 kbps. 
• Flexible Working Hours: Employees can organize their working day according to their preferences, while respecting the core working hours from 9:00 AM to 2:00 PM. 
• My Days: Entitlement to one or more paid leave days without the need to provide a medical certificate. Additional paid leave is provided to parents of first-grade schoolchildren on their child’s first school day.* 
• Employee Referral Bonus: Reward of up to EUR 1,700 for the successful referral of a candidate hired on a permanent employment contract. 
• Telekom Product Discounts: Discounts of up to 50% on Telekom products, including internet, fixed-line, and mobile services. 
• Partner Discounts: Discounts with dozens of partners in the areas of health, sports, fashion, culture, travel, housing, and education.* 
• Supplementary Pension Contribution: Employer contribution to the employee’s selected supplementary pension scheme in the amount of 1.5% of gross salary.* 
• Learning & Development: Career development and training opportunities focused on both soft and hard skills. Employees receive a EUR 180 contribution towards language courses on each employment anniversary with DTSE Slovakia. 
• Corporate Events: Summer and Christmas parties, St. Nicholas Day events, Health Days, blood donation campaigns, team-building activities, and more. 
• Mojra.sk Psychological Counselling: Access to psychological counselling services through Cafeteria benefit points.* 
• Benefits for Future Parents: Employees receive a EUR 100 contribution upon the birth of a child. Fathers receive one additional week of paid leave on top of the statutory two-week paternity leave. Employees going on parental leave may retain their company mobile phone for up to one year. 
• Relocation Bonus: Employees relocating from another country to Slovakia based on an employment contract with DTSE Slovakia are eligible for a EUR 1,500 relocation allowance, paid during the first three months of employment (EUR 500 per month).
* Available after successful completion of the probation period as defined in the employment contract.

Informácie o výberovom konaní:
We are dedicated to constantly promoting equal employment opportunities and are ready to make reasonable adjustments for applicants with disabilities. If you are interested in our job opportunity and meet our job requirements for this position, we encourage you to confidentially notify us if you need specific accommodations to ensure your full participation in our recruitment process at recruitment@telekom.com.

Snažíme sa neustále podporovať rovnaké príležitosti v zamestnaní a sme pripravení urobiť primerané úpravy pre uchádzačov so zdravotným postihnutím. Ak máte záujem o túto pracovnú príležitosť a spĺňate požiadavky inzerovaného pracovného miesta, odporúčame vám, aby ste nám dôverne oznámili, ak potrebujete osobitné úpravy, ktoré vám zabezpečia plnohodnotnú účasť na našom náborovom procese na recruitment@telekom.com.

Požiadavky na zamestnanca:
Requirements for the employee:
Education: University degree (Bachelor or Master) in Economics/Accounting/Business Informatics or Information Technology

Experience: 5 years of relevant experience (reporting/controlling/analysis/BI tools)

Language knowledge: English (fluent) and German (beneficial)

Skills:
Power BI (Desktop, Service, administration, gateways, deployments) – Expert
Data Warehousing & Enterprise BI – Expert
Data Analytics & Reporting – Expert
SQL Development & Query Optimization – Advanced
SSIS & ETL Development – Advanced
DAX & Power BI Semantic Models (Tabular) – Advanced
BI Architecture & Dimensional Modeling – Advanced

Technical Expertise:
Power BI security (RLS), data governance & data privacy
Technical architecture & solution design
Performance tuning and optimization
DevOps, deployment pipelines & source control (nice to have)
Microsoft Fabric (nice to have)
Google BigQuery (nice to have)
Azure Data Platform (Azure SQL, Data Factory, Synapse) (nice to have)

Soft Skills:
Strong analytical and problem-solving skills
Excellent communication and presentation skills
Ability to explain complex topics and transfer knowledge
Structured, independent and quality-oriented approach
Strong sense of ownership and responsibility
Reliable, flexible and service-oriented
Ability to work under pressure and resolve issues proactively
Clear and concise documentation skills
Experience collaborating with business and technical stakeholders in an international environment