Aladdin Data Analyst: Data Mapping & Migration Expert

Oliver James Group; City Of London; On-site; GBP 60,000 - 80,000; Full time

Job summary

Oliver James Group is seeking a hands-on Data Analyst to analyse, document and validate data mappings between legacy investment systems and Aladdin, working with business users and tech teams to understand data usage and requirements.

You will trace data lineage, document mappings and support testing in a fast-paced delivery environment, ensuring data integrity during system decommissioning and platform migration.

Qualifications

• Approximately 5 years' experience in a Data Analyst, Data Migration Analyst, Business Data Analyst or similar role.
• Strong SQL skills, including the ability to analyse, reconcile and investigate complex datasets.
• Experience documenting source-to-target mappings and data transformation requirements.
• Experience supporting system migrations, data migrations or large-scale change programmes.
• Strong analytical and problem-solving skills with excellent attention to detail.
• Ability to work independently and manage multiple workstreams concurrently.
• Strong experience with Tableau and PowerBI
• Excellent stakeholder management and communication skills.
• Experience producing high-quality documentation suitable for both business and technical audiences.

Responsibilities

• Analyse data structures, attributes and relationships across investment, risk and operational systems.
• Document source-to-target data mappings from legacy platforms into Aladdin and associated target-state solutions.
• Work with business stakeholders to understand how data is consumed within investment processes and identify the impact of proposed changes.
• Validate mapping outputs through data analysis and reconciliation activities.
• Support business and user acceptance testing by helping define test scenarios, reviewing results and investigating issues.
• Document data definitions, business rules, transformations and exceptions.
• Work closely with technology, data management and programme teams to track issues, dependencies and outstanding actions.
• Produce clear and accurate documentation that can be used by delivery and support teams.
• Communicate progress, risks and recommendations to both technical and non-technical stakeholders.

Skills

Data analysis

Data migration

Stakeholder management

Documentation

Data mapping

Testing

Independent working

Communication

Tools

SQL

Tableau

Power BI

Job description

Oliver James Group is seeking a hands-on Data Analyst to analyse, document and validate data mappings between legacy investment systems and Aladdin, working with business users and tech teams to understand data usage and requirements.

You will trace data lineage, document mappings and support testing in a fast-paced delivery environment, ensuring data integrity during system decommissioning and platform migration.