An opportunity for an SC-cleared Senior BI Analyst / Platform Lead to join a mature, well-established delivery team supporting a mission‑critical, secure on‑premise data and reporting platform for a major UK defence organisation. This role is less about green‑field development and more focused on the ongoing management, optimisation, and evolution of a live BI environment. You will act as a trusted interface between technical teams, civil servants, and operational end‑users ensuring the platform remains secure, performant, and aligned to changing business and operational needs.
Role Overview
- Own and manage the day‑to‑day health, performance, and roadmap of a secure, on‑premise BI and data platform
- Act as a technical authority and analytical partner for stakeholders, translating operational and policy requirements into sustainable reporting and data solutions
- Lead continuous improvement initiatives, including data quality, model optimisation, security hardening, and reporting usability
- Support and enhance existing ETL pipelines, semantic models and reports rather than focusing on large‑scale rebuilds
- Provide ongoing support, troubleshooting, and optimisation for business‑critical dashboards and datasets
- Work closely with civil servants, analysts and operational users to ensure insights are trusted, accessible and actionable
- Ensure the platform remains compliant with GDS standards, security policies, and defence assurance requirements
Key Responsibilities
Platform Ownership & Continuous Improvement
- Own the on‑prem BI estate, including SQL Server, SSIS, SSAS (Tabular), and Power BI Report Server
- Proactively identify and implement improvements to performance, resilience, data quality, and security
- Manage technical debt and incremental enhancements in a controlled, low‑risk manner
- Ensure robust monitoring, logging, and operational support processes are in place
Stakeholder & User Engagement
- Act as a trusted BI partner to business and operational stakeholders
- Run requirement‑gathering sessions and translate needs into analytical solutions rather than raw development tasks
- Support users in understanding data, metrics, and limitations of the platform
- Balance competing priorities across multiple user groups in a secure environment
Analytical & Reporting Capability
- Maintain and evolve SSAS Tabular models, measures and KPIs using DAX
- Ensure reporting logic is consistent, auditable, and aligned to operational definitions
- Oversee data ingestion, cleansing and transformation processes to ensure reliable downstream reporting
- Support analysts and end users with complex data questions and ad‑hoc analysis
Governance, Security & Assurance
- Ensure alignment with GDS standards, internal data governance, and defence security policies
- Manage access control and authentication using Active Directory
- Support audits, assurance activities and documentation required in high‑security environments
- Champion best practice in secure on‑prem BI delivery
Required Skills & Experience
Core Experience
- Strong experience managing and supporting secure, on‑premise BI platforms
- Advanced SQL Server expertise (2019+):
- Engine, Security, Jobs, Objects, Performance tuning
- Strong experience with SSIS (data ingestion, transformation, cleansing and scheduling)
- Strong understanding of SSAS Tabular models and semantic layer design
- Advanced use of DAX to deliver robust, maintainable business logic
- Hands‑on experience with Power BI Report Server (on‑prem) administration and configuration
- Experience working in UK Government environments to GDS standards
- Confident working with Active Directory for authentication and role‑based access
Analytical & Soft Skills
- Proven ability to operate as a bridge between technical teams and non‑technical stakeholders
- Strong analytical mindset with a focus on insight, usability and data quality
- Experience supporting live systems with ongoing improvement rather than project‑only delivery
- Comfortable working in structured, assurance‑led environments with formal governance
- Experience in Defence or Military settings
- Exposure to information assurance, data classification and secure environments
- Experience mentoring junior analysts or developers
Security & Location
- Active SC clearance required
- Candidates must be UK‑based
- Hybrid working with occasional travel to Hampshire (secure site)
Commercials
- Day rate: Up to £550 (Outside IR35)
- Start date: ASAP
- Duration: 12 months (initial), with strong likelihood of extension