SQL DBA and PowerBI Developer Job at Surrey Satellite Technology Limited (Guildford)

Job Description

We’re looking for a hands-on SQL DBA with strong Data Warehouse experience who can manage, optimize, and secure our data platforms while delivering high-quality analytics through Power BI and creating/maintaining reports leveraging SAP Datasphere. This role spans operational database administration, data model governance, ETL/ELT pipelines, and BI/reporting enablement—working closely with business stakeholders, SAP teams, and BI developers to turn data into actionable insights.

Job Responsibility

Administer, monitor, and optimize Microsoft SQL Server instances, including backups, log shipping/AGs, patching, and security hardening
Own Data Warehouse operations, including star/snowflake schema design, indexing strategies, partitioning, and performance tuning for large datasets
Implement and maintain ETL/ELT pipelines, including scheduling, error handling, and data quality checks
Manage database capacity planning, storage optimization, and version control for DB objects
Ensure data integrity, governance, lineage, and compliance with GDPR and ISO27001
Develop and maintain Power BI datasets, semantic models (Tabular), and reports/dashboards following best practices
Optimize DAX measures and Power Query transformations for performance and usability
Manage Power BI workspace governance, data gateways, refresh schedules, and report lifecycle in coordination with IT and business teams
Design, build, and maintain reports and data models integrated with SAP Datasphere
Collaborate with SAP teams to define data contracts, ensure model alignment, and troubleshoot data access and performance issues
Standardize semantic definitions and KPIs across SAP and non-SAP sources to deliver consistent analytics
Implement role-based access control (RBAC), encryption at rest/in transit, auditing, and policy-based management
Maintain DR/BCP documentation and runbook procedures
perform regular restore tests and failover drills
Monitor system health using native tools and enterprise monitoring
Translate business requirements into high-quality data models and BI solutions
Create and maintain technical documentation and data dictionaries
Provide L2/L3 support for BI/data platform incidents and mentor junior analysts/engineers

Requirements

Bachelor’s degree in Computer Science, Information Systems, or equivalent experience
Relevant certifications are a plus: Microsoft Certified: Azure Database Administrator Associate, Power BI Data Analyst Associate, SAP Datasphere certifications
Proven experience in SQL DBA or Data Warehouse Engineer in enterprise environments
Strong expertise in Microsoft SQL Server administration (performance tuning, indexing, query optimization, backups/restore, HA/DR)
Proven experience with Data Warehouse design
Hands-on with Power BI
Experience building reports/models against SAP Datasphere, including connectivity, permissions, and performance considerations
ETL/ELT tools: SSIS and/or Azure Data Factory (or equivalent)
Strong SQL/T-SQL coding standards, stored procedures, functions, and query plan analysis
Understanding of data governance, privacy (GDPR), security controls, and audit requirements
Excellent communication skills and stakeholder management

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SQL DBA and PowerBI Developer

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