Business & Data Analyst - Consultant in Artificial Intelligence & Data department

Posting Start Date: 23/10/2026

Company: Deloitte Tax & Consulting

Job Function: Technology & Cyber Security

Level of Experience: Experienced

Contract Type: Open-term

Req ID: 14266

Job Description:
Your future team

Join our Artificial Intelligence & Data (AI&D) team that brings together business & data analysts, data engineers, data scientists, technology specialists and architects. You will work at the intersection of business strategy, technology and data delivery helping clients in financial services (Banks, insurers etc.) and Public sector (incl. European institutions) understand their technological & data challenges, define what good looks like, and translate that into solutions that actually get used.

You will have structured mentoring, exposure to senior client conversations, and a clear path to grow your analytical and consulting skills.

The advantages of joining us

• Career growth, your way: access to structured learning paths, coaching and development opportunities in Data & AI consulting.
• Global impact, local connections: work on international projects while supporting clients in Luxembourg and the Greater Region.
• Innovative work that matters: contribute to data and AI initiatives with tangible impact on our clients' business and operations.
• Inclusive, flexible culture: join a collaborative team where diverse perspectives are valued and flexible working arrangements are supported.
• Build your network: connect with professionals across Deloitte's global network and participate in industry events.

How you'll contribute to our success

1. Understand & frame business challenges: Work with business stakeholders (e.g., in FSI or EU/public sector) to understand their priorities and pain points.
2. Gather & structure requirements: Collect, organise and document business requirements, translating them into clear user stories, functional specifications and acceptance criteria for both business and delivery teams.
3. Work with data: analyse data, validate rule based requirements, identify quality issues and propose solutions
4. Drive decision through insights: Support the interpretation of reports, dashboards and analyses, and help turn data into clear, actionable messages for decision-makers
5. Support delivery & change: coordinate activities across workstreams, support UAT, contribute to stakeholder communication, ensure that solutions are adopted by users.
6. Learn & grow across roles: Collaborate across business functions and share knowledge, methods and lessons learned with the wider team.

Your skills

Core requirements

• Master's degree in Business, Economics, Finance, Engineering, Data/Information Systems or a related field.
• 1-3 years of experience in consulting, business and data analysis, project management, risk/compliance, operations or similar roles.
• Fluency in English (spoken and written).
• Strong problem-solving, analytical, presentation and communication skills.
• Knowledge of process modeling (BPMN, UML or equivalent)
• Knowledge of basic SQL or ability in querying or manipulating data
• AI literate: familiar with AI concepts and experience in using AI tools in business context and settings.

Additionally Valued

• First experience or strong interest in Financial Services (FSI) or EU/public sector environments.
• Familiarity with Agile delivery (user stories, sprints, backlog)

• Exposure to process optimization and/or technology / data driven initiatives.

• Familiarity with business intelligence / visualization tools (e.g., Power BI, Tableau, Qlik) from a business/user perspective.

Nice to Have

• Understanding of data concepts (data pipelines, warehousing, data quality, dashboarding, KPIs, metrics, simple queries) or experience working with technical teams.
• Any relevant certification (business analysis, project management, data / cloud fundamentals).
• Experience working in multidisciplinary teams and on cross-functional initiatives.
• Fluency in French (spoken and written) or any other languages

Interested? Please submit your resume in English

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With more than 2,600 employees and 98 nationalities, Deloitte Luxembourg is one of the Grand Duchy's largest, strongest and oldest professional services firms. For more than 75 years, our talented teams have been serving clients in various industries delivering high added-value offerings to national and international clients in audit and assurance, consulting, financial advisory, risk advisory, tax, and related services. Deloitte Luxembourg is part of the global Deloitte network.

Deloitte provides leading professional services to nearly 90% of the Fortune Global 500® and thousands of private companies. Our people deliver measurable and lasting results that help reinforce public trust in capital markets and enable clients to transform and thrive. Building on its 180+-year history, Deloitte spans more than 150 countries and territories. Learn how Deloitte's over 470,000 people worldwide work together every day to make an impact that matters at www.deloitte.com.