10/27/2026 updated

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100 % available

IT Consultant | DBA & Business Intelligence Specialist

Marsascala, Malta
Worldwide
Marsascala, Malta
Worldwide

Profile attachments

Brian_Ellul_Senior_SQL_Server_DBA_Consultant_CV.docx
Transcript - brianellul-8356 _ Microsoft Learn.pdf

About me

Senior IT Consultant with 20+ years’ experience in SQL Server, DBA, Business Intelligence and Data Warehousing. Specialist in performance tuning, ETL, Power BI, Azure and data platforms, combining hands-on technical expertise with strong business experience.

Sql Data WarehouseMicrosoft Analysis ServicesBusiness IntelligenceBusiness Intelligence DevelopmentBig DataGoogle BigQueryData ArchitectureData ControlData HubData IntegrationData SystemData Vault ModelingData WarehousingDBaseEmbedded SQLHP Systems Insight ManagerHyper SQL Database (HSQLDB)IBM Business SystemsIntelligence AnalysisData IntelligenceMicrosoft Certified Database AdministratorMicrosoft Data Access ComponentsMicrosoft SpecialistMicrosoft SQL ServersAzure SQLMicrosoft Business IntelligenceSQL Server Management StudioOracle Business Intelligence Enterprise EditionOracle Data Service IntegratorOracle SQL DeveloperData Access LayerOSQLSAP BISAP NetWeaver BISQL Server CompactSQL*PlusSQL DatabasesSQL Server Reporting ServicesSQL Server AgentSQL Server Integration ServicesSQLAlchemySQL Server Analysis ServicesTransact-SQLWeb IntelligenceIbm DatacapBusiness Intelligence Development StudioData Server InterfaceDatabase Performance AnalyzerSQL OptimizationBi PublisherSql Server Database AdministrationPlsqldeveloperSQL Server Business IntelligenceMicrosoft Business CentralAzure Data AnalyticsSql Database AdministrationSql TuningSql Server Data ToolsSql Server ProgrammingDatabase Administration
Senior IT Consultant with over 20 years of experience specialising in Microsoft SQL Server, Database Administration, Business Intelligence, Data Warehousing and Data Architecture. I combine deep hands-on technical expertise with extensive experience in IT management, operations and working directly with business stakeholders.
My core expertise includes:
• Microsoft SQL Server (2005–2025): administration, installation, configuration, upgrades, migrations, troubleshooting, performance tuning, query optimisation, indexing, execution plan analysis, security, backup/recovery and high availability.
• Database Architecture & Performance: database design, capacity planning, performance monitoring, complex T-SQL development, stored procedures, query optimisation, indexing strategies, Always On Availability Groups and Log Shipping.
• Data Warehousing & BI: extensive experience designing and building Data Warehouses and BI platforms from the ground up, including requirements gathering, dimensional modelling, ETL processes, data quality, reporting and analytics.
• Microsoft BI Stack: SSIS, SSAS (Multidimensional), SSRS, Power BI and advanced T-SQL.
• Cloud & Data Platforms: Microsoft Azure, Azure Data Factory, Azure VMs, Azure Storage, Snowflake, Google BigQuery and PostgreSQL.
• ETL / Data Integration: design, development and optimisation of ETL/ELT pipelines integrating ERP systems, operational databases, APIs, files and other business applications.
• Reporting & Analytics: development of management reporting, KPIs, dashboards and analytical solutions using Power BI, SSRS, SSAS and Tableau.
• Data Architecture & Governance: data modelling, centralised data platforms, data quality, security, access management, data retention and governance, with experience working within ISO 27001-oriented environments.
I have delivered complete data solutions from initial requirements and architecture through development, testing, migration, deployment and ongoing production support. I have also led BI teams and worked closely with senior management, developers and business users to translate business requirements into practical technical solutions.
Available for freelance and consultancy engagements including SQL Server DBA, performance optimisation, Data Warehouse/BI development, Data Architecture, database migrations, troubleshooting and cloud/data-platform projects.

Experience

Professional experience10+ years
Freelancer since2023

Languages

EnglishFluentFrenchBasic knowledgeItalianGood

Project history

IT Consultant specialising in DBA and BI services

Freelance / Self-employed
DBA as a Service (on-premise SQL Server, Azure SQL), Database Health Checks and Performance Tuning, BI Services (DWH Design, ETL, Reports, OLAP, Dashboards), OLTP and OLAP database design consultancy.

Director Of Operations / HR Functions / Internal Auditor / Head of BI

Premier Gaming / Delta Services
Managing several departments (Customer Support, Fraud & Payments, VIP), overseeing daily operations, HR functions including recruitment and employee management, Internal Auditor for compliance licence audits (MGA, SGA, CURACAU), and Head of Data responsible for BI strategy, DWH development, SQL Server infrastructure on-premise and Azure, OLAP Cube development, SSRS reports, and SQL Server optimisation.

Head of BI

Gaming Innovation Group
Managing the BI data team of 18 people including Datawarehouse developers, reporting team, Support Engineers, QA and analytics team. Responsibilities included overall management and mentorship, developing and influencing the product roadmap, tracking engineering metrics, improving code quality, and retaining top-tier engineering talent. Products used: SQL Server 2017, SSIS, SSAS, SSRS, QlikSense.

Data Architect

Betsson
SQL Server BI analysis, design and development of DWH systems, ETL systems (SSIS), Reports (SSRS) and Cubes (SSAS). SQL Server DBA tasks including installation, configuration, performance tuning and maintenance scripts. Responsible for BI and back-office application database of the Betsson Casino Euro team. Products used: SQL Server 2014, SSIS, SSAS, SSRS.

Senior Business Intelligence Developer, SQL Server DBA

Betclic - Expekt
Design and build of a new DWH integrating multiple brands for a one-stop reporting solution. Tasks included requirements gathering, DWH design, ETL development (SSIS), SSAS OLAP Cube, SSRS reports, documentation, user training, mentoring and team lead. Products used: SQL Server 2008R2, SSIS, SSAS, SSRS.

SQL Server DBA, Business Intelligence Consultant

Crimsonwing
SQL Server DBA responsibilities including infrastructure design, backup/restore planning, High Availability implementation, performance monitoring and tuning, and database maintenance scripts. SQL Server BI Consultant for analysis, design and development of DWH systems, ETL (SSIS), Reports (SSRS) and Cubes (SSAS). Products used: SQL Server 2008, SQL Server 2008R2, SSIS, SSAS, SSRS.

SQL Server DBA, Business Intelligence Consultant

6pm
Designing, building and implementing data warehouses for UK NHS hospitals using SQL Server 2008 (SSIS and SSRS). Also acted as Technical Architect and Project Manager on several projects. Responsible for in-house data warehouse used by NHS hospitals. SQL Server consultancy including database design, implementation and optimisation on data warehouses and OLTP systems. Products used: SQL Server 2008, SQL Server 2005, Oracle 10g, Business Objects XR2, Crystal Reports, Oracle Warehouse Builder.

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