Position: Microsoft Power BI Engineer
Department: Information Technology
Reporting To : Software Development Lead
Job Purpose
This role is responsible for designing, building and maintaining the business intelligence layer that turns data from our trading, brokerage, asset management and corporate finance operations into clear, reliable and actionable insights for decision-makers across the firm. The role will own semantic data models, author DAX and Power Query transformations, craft executive-ready dashboards and administer the Power BI Service end-to-end. A core accountability is to translate business questions into well-governed, performant and secure analytics ensuring every report is accurate, trustworthy and aligned with the firm's data governance and regulatory expectations.
Supervisory Scope
Direct Reporting: None
Individual Contributor Role; Indirect Reporting: External BI Data Vendors and Consultants as required
Key Responsibilities
- BI Solution Design: Design and maintain robust semantic data models star schema relationships hierarchies optimized for Power BI. Author efficient DAX measures and calculation groups to support complex business and financial logic. Build reusable Power Query M transformations for clean, consistent and refreshable datasets. Translate reporting requirements into scalable, well-structured analytical models with a single source of truth.
- Report Dashboard Development: Develop clear, interactive, and visually consistent dashboards for executive and operational audiences. Apply strong data-visualisation principles to surface insight, not just data. Build parameterised drill-through and paginated reports to serve varied reporting needs. Iterate on designs with stakeholders to ensure usability, clarity and business relevance.
- Business Partnership (Requirements): Partner with business heads, finance and operations teams to understand reporting and analytical needs. Elicit, clarify and document requirements, KPIs and precise metric definitions. Challenge ambiguous or conflicting metrics to ensure a single, trusted set of numbers. Communicate insights, limitations and data caveats clearly to non-technical stakeholders.
- Data Preparation (Integration): Connect to and integrate data from SQL Server, APIs, files and internal business systems. Build and schedule dataflows and dataset refresh with reliable, monitored pipelines. Ensure data quality, validation and reconciliation across sources before publishing. Collaborate with engineering to shape upstream data structures for reporting efficiency.
- Performance Quality Standards: Optimise data models, DAX and queries for fast, responsive report performance. Apply consistent design, naming and modelling standards across all reports. Test and validate report accuracy against source systems before every release. Reduce dataset size and refresh cost through efficient model and query design.
- Governance Security Access Control: Implement row-level security (RLS) and role-based access aligned with business needs. Manage workspaces, apps and content lifecycle within the Power BI Service. Enforce data governance sensitivity labelling and controlled sharing of reports in line with regulatory expectations.
- Deployment Operations: Administer the Power BI Service gateways, capacities and scheduled refreshes. Manage deployment of content across development, test and production workspaces. Monitor refresh failures, performance and usage and resolve issues promptly. Partner with InfoSec, Compliance and Risk functions to align the BI platform with corporate and regulatory requirements.
- Documentation Stakeholder Reporting: Maintain data dictionaries, metric definitions, model documentation and runbooks. Document report logic, data lineage and design decisions for long-term maintainability. Report on report adoption, usage and data‑quality metrics to leadership. Support user enablement and drive self‑service BI adoption across the business.
Qualifications
- Bachelor's or Master's degree in Computer Science, Information Systems, Data Analytics or a related field
- Microsoft certifications PL-300 Power BI Data Analyst or Fabric Azure Data certifications are a strong advantage
- Financial services or regulated-industry exposure preferred
- Experience: 4 years of hands‑on experience building Power BI solutions with deep expertise in DAX and Power Query
- Strong data‑modelling background and advanced SQL for data extraction and transformation
- Proven track record of delivering executive‑level dashboards and self‑service analytics
- Experience administering the Power BI Service, gateways, dataset refreshes and row‑level security
- Prior experience in regulated financial services or otherwise data‑sensitive environments strongly preferred
Competencies
- Functional: Advanced Power BI DAX, Power Query, M, semantic modelling and report design
- Strong SQL Server and T‑SQL with query performance tuning for analytical workloads
- Solid data‑modelling skills: star schema, dimensional modelling and relationships
- Power BI Service administration: workspaces, apps, gateways, capacities and RLS
- Data visualisation and dashboard design best practices
- Familiarity with Microsoft Fabric, Azure data services and dataflows
- Exposure to Excel, Power Automate and the wider Microsoft data stack
- Working knowledge of cloud‑native design on Azure or AWS
- Behavioral / Leadership: Integrity and sound judgment with data. Strong attention to detail and commitment to accuracy. Curiosity and a problem‑solving, analytical mindset. Strong stakeholder management across technical and non‑technical audiences. Ownership, accountability, and bias for delivery. Clear, structured communication (written and verbal). Collaborative, team‑first mindset.