Senior Business Analyst (Data Analysis)

About FinXL IT Professional Services: FinXL IT Professional Services is a leading IT consultancy that partners with clients to bridge the gap between business needs and technology capabilities. Since 2003, we've been delivering high-value ICT services across government, finance, telecommunications, and enterprise sectors. FinXL IT is seeking a Senior Data Business Analyst to join our consulting team and be deployed with a leading telecommunications client on a key transformation engagement.

Responsibilities

Act as the absolute technical anchor between business stakeholders, architects, and engineering teams; Create detailed Source-to-Target Mappings (STTM), transformation logic, and data lineage documentation; Deliver end-to-end data migrations, including impact assessments, migration rehearsals, and cutover validation; Construct comprehensive data dictionaries, business glossaries, and metadata repositories for data governance; Develop technical UML diagrams, including Use Case, Context, Data Flow, and Process Flow diagrams; Structure delivery into capabilities and epics, managing the Jira lifecycle through to development handover; Write highly detailed, testable acceptance criteria and perform post-migration data reconciliation

Requirements

Strong SQL proficiency with the ability to write independent queries to profile data and analyse source systems; Deep technical understanding of dimensional modeling, including defining facts, dimensions, and measures; Proven track record delivering large-scale data platform initiatives or enterprise ERP/CRM overhauls; Hands-on experience investigating data anomalies and validating complex data integration streams; Familiarity with modern data platforms, data lakes, and BI tools such as Power BI, Tableau, or Oracle BI; Advanced agile delivery experience with a background in managing requirements within the Atlassian suite; Ability to leverage AI tools to accelerate documentation and improve workshop effectiveness

Benefits

Lead critical data migrations and source-to-target mapping transformations; Modern North Sydney office with a flexible hybrid working baseline; Initial 6-month contract engagement with a long-term view to extend