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Senior Business Analyst (Financial Systems & Data Analysis)

ARHS arhs-group.com Open
Hybrid Brussels Full-time Senior Data Analysis & BI

At a glance

Senior Data Analysis & BI role at ARHS. Brussels · full-time.

Pay not stated Data Analysis & BI salary

RoleData Analysis & BI
SenioritySenior
LocationBrussels
WorkplaceHybrid
EmploymentFull-time
PostedOct 9, 2026
Role brief

dataroles summary, based on the employer's posting.

What you'll do

  • Map financial operations and risk workflows, then turn stakeholder discussions into clear business requirements
  • Convert financial needs into development specifications and document how processes, data flows and systems connect
  • Use SQL to investigate and check business data, supporting analysis for financial decision-making tools
  • Help improve processes and analytical solutions, and take part in testing, validation and quality checks
  • Work with developers to confirm requirements are implemented, support application users and maintain functional documentation

What you bring

  • You have proven experience analysing business processes and defining requirements, including process improvement work
  • You bring strong SQL skills and experience examining business data
  • You understand financial systems and operations, including financial risk management and related concepts
  • You can produce functional and technical specifications and model processes and data flows
  • You have excellent spoken and written English

Who this fits

This senior role suits someone who can connect financial stakeholders with technical teams and work independently while contributing to a team. The position is based in Brussels and is hybrid.

From the employer

Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from software development, data science and security management to machine learning, cloud, and mobile development.

Arηs Group was acquired by Accenture in July 2024.

Arηs Group, Part of Accenture, is looking for a Senior Business Analyst to support the evolution and continuous improvement of a business-critical decision support platform used in the financial domain for one of its clients at the EU Institutions in Brussels.

The platform consolidates and analyses financial data originating from enterprise financial systems to support the identification, monitoring, and assessment of financial risks associated with funding and investment activities. The solution provides advanced analytical capabilities, enabling business stakeholders to make informed decisions based on risk indicators and financial data.

Role & Responsibilities

  • Analyse and document business processes, workflows, and functional requirements related to financial operations and risk management.
  • Gather, challenge, and formalise business requirements through discussions and workshops with stakeholders.
  • Translate business concepts and financial requirements into clear functional and technical specifications for development teams.
  • Model and document business processes, data flows, and system interactions.
  • Contribute to business process optimisation and continuous improvement initiatives.
  • Perform data analysis activities and create SQL queries to investigate, validate, and analyse business data.
  • Support the design and evolution of analytical solutions used for financial decision-making.
  • Participate in testing, validation, and quality assurance activities.
  • Collaborate with developers throughout the software development lifecycle to ensure business requirements are correctly implemented.
  • Provide functional expertise and user support for business-critical applications.
  • Produce and maintain high-quality documentation, including specifications, process descriptions, and user-oriented documentation.
  • Proactively identify improvement opportunities and contribute ideas to enhance processes, systems, and ways of working.
  • Contribute to the adoption of innovative approaches and emerging technologies, including AI-powered tools where relevant.

Your Profile

  • Strong analytical and conceptual thinking skills.
  • Excellent communication and stakeholder-management abilities.
  • Capability to bridge the gap between business experts and technical teams.
  • Ability to understand complex business and financial concepts and translate them into actionable requirements.
  • Proactive mindset with a strong sense of ownership and initiative.
  • Curiosity and willingness to continuously learn new business domains and technologies.
  • Strong documentation and organisational skills.
  • Attention to detail and commitment to quality.
  • Ability to work autonomously while contributing effectively to a collaborative team environment.
  • Solution-oriented and improvement-driven attitude.
  • Excellent command of English, both written and spoken.
  • Knowledge of French and/or other European languages is considered an asset.

Technical Skills

  • Proven experience in business process analysis and requirements engineering.
  • Experience in business process reengineering and optimisation initiatives.
  • Strong knowledge of financial systems and financial operations.
  • Understanding of financial and banking concepts such as:
    • Foreign Exchange (FOREX)
    • Financial instruments and securities
    • Bonds and positions
    • Valuation concepts
    • Cash-flow management
    • Loans and borrowing activities
    • Financial risk management
  • Strong SQL querying and data analysis capabilities.
  • Ability to create functional and technical specifications.
  • Experience modelling business processes and data flows.
  • Good understanding of application architecture concepts and system integration principles.
  • Strong affinity with information systems and software development environments.

Any of the following would be considered an asset

  • Knowledge of treasury management and lending-related business processes.
  • Familiarity with enterprise financial platforms, including SAP-based financial environments.
  • Understanding of treasury and financial management modules.
  • Experience working with Git-based collaboration and source-code management platforms.
  • Exposure to Artificial Intelligence tools and their application in business analysis, documentation, or process improvement.
  • Experience working on analytical or decision-support systems.
  • Knowledge of financial risk analysis and reporting solutions.

WHAT´S IN IT FOR YOU?

  • We value your contribution, which is why we offer a competitive and attractive salary package.
  • Your wellbeing is our priority – from day one, you are covered by a comprehensive health insurance plan.
  • Benefit from a convenient meal allowance provided through a ticket restaurant card.
  • Take part in impactful projects that make a difference at both the national and European level.
  • Continue to grow with us through in-house training sessions and a wide range of online learning opportunities.
  • Join a collaborative culture where we regularly celebrate achievements and milestones together.
Opportunity

Data Analysis & BI work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Data Analysis & BI

Find me work

By the team behind dataroles.

Find me work
Opportunity

Data Analysis & BI work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Find me work

By the team behind dataroles.