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Deloitte

Audits companies and advises on tax and technology

IT Business Analyst

Business AnalysisConfirmed live in the last 24 hours
Part-timeZaventem, BelgiumNo salary listed

About the Job

Requirements

  • Three to five years of experience as a Business Analyst in an IT or digital transformation environment.
  • Strong analytical and problem-solving skills, including structuring ambiguous business problems using root-cause techniques such as 5 Whys and fishbone analysis, and prioritisation frameworks such as MoSCoW.
  • Hands-on experience with process modelling using BPMN and familiarity with Data Flow Diagrams for systems and integration analysis.
  • Experience writing functional specifications, user stories aligned with INVEST, acceptance criteria, and maintaining requirements traceability.
  • Experience using stakeholder elicitation techniques, including workshops, structured interviews, shadowing, and prototyping or mock-ups.
  • Familiarity with Agile/Scrum and Waterfall/BRD-FRD delivery methodologies and the judgement to adapt between them.
  • Working knowledge of Microsoft 365, SharePoint, Power Platform (Power Apps and Power Automate), and Azure DevOps.
  • Strong stakeholder management, facilitation, and communication skills; English is required.
  • Strong attention to detail and ability to manage multiple priorities under deadlines.
  • Bachelor's degree in Business, Information Systems, Computer Science, or a related field.

Responsibilities

  • Structure ambiguous or poorly defined business problems into clear problem statements, using root-cause analysis such as 5 Whys and fishbone/Ishikawa to distinguish symptoms from underlying causes.
  • Perform impact, feasibility, and cost-benefit analysis for proposed changes, making assumptions explicit when data is incomplete.
  • Resolve conflicting stakeholder requirements using prioritisation frameworks such as MoSCoW and traceability to business objectives.
  • Maintain a requirements baseline and escalate scope creep.
  • Elicit, document, and validate business requirements through workshops, structured interviews, shadowing or observation, and prototyping or mock-ups.
  • Act as the primary liaison between business units and IT during project initiation, design, and delivery, managing expectations against the IT roadmap and capacity.
  • Facilitate requirements workshops and design reviews using pre-work, structured agendas, and parking-lot techniques to keep senior stakeholders engaged within limited time.
  • Validate documented requirements through stakeholder walkthroughs and sign-off, using visual models to confirm understanding across language and cultural differences.
  • Produce as-is and to-be process maps using BPMN at an audience-appropriate level of detail to identify gaps, inefficiencies, and automation opportunities.
  • Use Data Flow Diagrams and data mapping techniques to analyse system integrations and clarify how data moves, is stored, and is transformed between systems such as CRM and ERP.
  • Translate business requirements into functional specifications, user stories aligned with INVEST, and acceptance criteria such as Given/When/Then for IT delivery teams.
  • Maintain end-to-end requirements traceability from business need through test cases and UAT sign-off using a requirements traceability matrix or equivalent.
  • Adapt documentation to the context, using Agile artefacts such as backlogs, epics, and story maps or traditional BRD/FRD-style documentation depending on project type and stakeholder maturity.
  • Contribute to project documentation in line with the IT SSDLC, including business cases, requirement specifications, and test plans.
  • Support project managers and product owners with scoping, prioritisation, and backlog management.
  • Coordinate User Acceptance Testing, log defects, and track their resolution to closure.
  • Support change management activities, including communication plans and training materials.
  • Ensure deliverables align with IT governance, GDPR, NIS2, and data quality standards.
  • Identify and progress opportunities for process optimisation and automation using Power Platform.

Desired Qualifications

  • Experience with additional Business Analysis frameworks, including use case diagrams, entity-relationship diagrams, RACI, and SWOT.
  • Experience with modelling and documentation tools such as Visio, Nintex Promap, or equivalent.
  • Experience with ServiceNow or similar ITSM/PPM tooling.
  • Business Analysis certification such as BCS, IIBA/CBAP, or BABOK.
  • Agile certification such as CSPO or PSPO.
  • French or Dutch language skills.

About the Company

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Deloitte

Audits companies and advises on tax and technology

Deloitte audits companies and advises businesses and governments on tax, technology, and risk, and it is one of the Big Four, the world's four largest accounting firms. In 1849 its founder became the first independent auditor of a public company, Britain's Great Western Railway. Its auditors check companies' financial reports for errors and fraud before investors rely on them, while its consultants design strategy, install business software, and defend clients against cyberattacks. Clients pay fees for each audit or project, and each country's Deloitte firm is a separate business owned by its local partners. Deloitte was founded in London in 1845 and is based in New York.

Company size
10,001+
Company stage
Late Stage VC
Total funding
$17.1M
Headquarters
New York, NY
Founded
1845

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