Performance Analyst (4-6 Months Contract)
Role Overview
We are seeking an experienced contractor to support a critical programme migrating to an upgraded version of the FactSet B-One performance application. The role will focus on:
- Reconciliation of positions, transactions, and performance outputs across legacy and target systems
- Identification, investigation, and resolution of discrepancies
- Supporting UAT, parallel run, and post go-live stabilisation
The individual will work closely with internal teams and FactSet to ensure outputs are accurate, consistent, and fit for purpose, aligned with defined reconciliation success criteria
Key Responsibilities
- Perform detailed reconciliation of holdings, transactions, and performance outputs, comparing current vs. upgraded systems
- Investigate, explain, and resolve discrepancies, ensuring alignment within agreed tolerances
- Analyse root causes across data, configuration, and calculation logic differences
- Collaborate with SMEs and internal teams (Product, Technology, Operations) to resolve issues
- Track, document, and manage issues through structured logs in line with governance standards
- Support UAT, regression testing, and parallel run validation, including test execution and documentation
- Assist with evidence collection, audit traceability, and production readiness (entry/exit criteria)
- Validate completeness and integrity of key data inputs and support data quality control checks
- Act as a liaison across business, technology, and external project stakeholders, communicating issues and impacts clearly
- Provide post-go-live support, including issue investigation, monitoring, stabilisation, and continuous improvement
Key Skills & Experience
Essential
- Strong experience in investment performance measurement / attribution
- Hands-on experience with Position and transaction reconciliation
- Experience with data and calculation validation across systems
- Experience of system migrations, implementations, or parallel runs
- Strong analytical and problem-solving skills
- Advanced Excel skills (data analysis / reconciliation)
Desirable
- Experience with FactSet B-One, Aladdin or similar platforms
- Knowledge of asset management data flows (ABOR, positions, transactions)
- Knowledge of performance calculation methodologies
- Familiarity with SQL / data extraction tools
- Experience working with system migration