Data Architect/BI Expert

Company Description

Arηs is a fully independent group of companies specialized in managing complex IT projects and systems for large organisations, focusing on state-of-the-art software development, business intelligence and infrastructure services.

We are composed of 13 entities across 8 countries that are unified by the Arηs Group, with more than 1750 consultants.

This corporate structure enables us to respond quickly to market changes and customer requests, and to communicate and make decisions without layers of bureaucracy.

Our success can be attributed to the synergy among our nine complementary entities, combined with our methodologies, which are based on the Rational Unified Process (RUP) and the Scrum agile software development framework.

Established in 2016, the Greek entity Arηs Developments Hellas aims to extend Arηs Group activities dedicated to the European market providing high-quality services in Software Development, covering the entire application development lifecycle: starting with user requirements, business process redesign and specifications, to continue with development, testing and application maintenance.

Job Description

• Design, Development and Maintenance of data integration and Power BI solutions
• Support for the business in all matters related to new data models and data solutions in general
• Support for database administrators in defining and implementing new data structures
• Planning capacity and availability of databases, tuning and optimization
• Taking part in standby duty (on-call rotation) for 24/7 support for critical data processing systems
• Collaborating closely with other teams in DOS Sector (infra, networks, systems etc.)
• Developing and implementing best practices for deploying and managing new data solutions
• Creating and maintaining documentation for operational processes, procedures, and configurations.
• Supporting development teams across our growing development, UAT, and production environments in relation to data processing technologies
• Support in transition from silos data approach (separate databases) into new data approach (big data)

Qualifications

• Bachelor's degree in Computer Science or related field 
• Minimum 10 years of experience in data warehouse design and development
• Active Security Clearance is mandatory
• Working knowledge of English: B2 or higher level. 
• Data warehouse design and developmentBusiness intelligence report design and implementationAdvanced SQL capabilities, including performance tuning, complex joins, and stored procedures
• Expertise in design, creation and optimisation of databases
• Experience in communication with business stakeholders, gathering business requirements and converting them into data and or BI-related technical requirements
• Experience in ETL/ELT development and optimisation 
• Expertise in management of MS SQL Server and Power BI Report ServerExpertise in design and development of large tabular modelsExpertise in design, development and maintenance of reports and BI solutions
• Expertise in the integration of data from various sources (databases, XML, flat files, etc.)
• Works unassisted and guides junior staffWrites specifications, concept documents, end user and technical documentation; communicates effectively with stakeholders on technical and user requirements matters 
• Service-oriented attitude
• Well-developed interpersonal skills
• Ability to work under pressure and on multiple tasks 
• Sense of initiative and responsibility for the assigned areas of work
• Accuracy and attention to detail

Desirable requirements:

• Microsoft Certified in Data Management and Analytics
• Microsoft Certified in Fabric Analytics