Senior Business Analyst - Agile BPMN & UAT (Brussels)

SEIDOR; Brussel Hoofdstad; On-site; EUR 70,000 - 110,000; Full time

Job summary

SEIDOR is seeking an experienced Senior Business Analyst to contribute to an international IT project in Brussels. This role targets European nationals only.

You will guide business analysis activities across the project lifecycle, working with stakeholders to document needs and ensure traceability. Responsibilities include defining user stories, refining PBIs, performing BPMN 2.0 process modelling, and supporting UAT.

Qualifications

• Bachelor's or Master's degree in a relevant field.
• At least 15 years of professional experience.
• 7+ years eliciting and documenting business requirements using BPMN 2.0.
• 6+ years writing user stories and acceptance criteria in Agile/Scrum.
• 5+ years maintaining requirements traceability matrices.
• 5+ years using Jira/Confluence or equivalent tools.
• 3+ years leading BA activities in complex multi-stakeholder projects.

Responsibilities

• Conduct interviews and workshops with stakeholders to identify and document business needs.
• Analyse existing (as-is) processes and design future (to-be) processes using BPMN 2.0, including gap analysis.
• Define user stories, Product Backlog Items (PBIs), and acceptance criteria within an Agile/Scrum environment.
• Maintain requirements traceability matrices to ensure consistency throughout the project lifecycle.
• Support the Product Owner in backlog refinement, prioritisation, and requirements management.
• Prepare use cases, process documentation, and low-fidelity mock-ups to validate business requirements.
• Coordinate and support business users during User Acceptance Testing (UAT).
• Perform impact analyses when business requirements evolve.
• Maintain accurate and up-to-date documentation throughout project iterations.

Skills

BPMN 2.0

Stakeholder interviews

Backlog management

Agile/Scrum

User stories

Acceptance criteria

Traceability matrices

UAT support

Process analysis

Documentation

Education

Bachelor's or Master’s degree (EQF Level 6) in Business Administration, Information Technology, Information Systems, or an equivalent field

Tools

Jira

Confluence

Job description

SEIDOR is seeking an experienced Senior Business Analyst to contribute to an international IT project in Brussels. This role targets European nationals only.

You will guide business analysis activities across the project lifecycle, working with stakeholders to document needs and ensure traceability. Responsibilities include defining user stories, refining PBIs, performing BPMN 2.0 process modelling, and supporting UAT.