business intelligence senior consultant

As a Deals – Business Intelligence Senior, you will be part of a high-impact team that transforms data into strategic insight. You will work on fast-paced, cross-functional projects that support decision-making across the entire deal lifecycle – from operational performance reviews and restructuring scenarios to post-merger integration and digital transformation.

You will help design intuitive dashboards, model KPIs, analyze diverse datasets, and craft compelling data stories for C-level stakeholders. Working alongside professionals from multiple disciplines, you will deliver BI solutions that drive clarity, action, and measurable results.

This is an exciting opportunity for a young professional with a sharp analytical mindset and a passion for storytelling through data. You will be mentored by experienced BI consultants and continuously develop your technical, consulting, and communication skills in a dynamic, high-learning environment.

The key responsibilities of this role include:

• Prepare client-ready BI assessment reports with insights, risks, and actionable recommendations.

• Design and develop interactive dashboards and KPI models using Power BI, Tableau, or similar tools.

• Collect, transform, and validate data from multiple sources using Power Query or SQL.

• Translate business needs into structured analytical approaches, KPI frameworks, and reporting processes.

• Ensure adherence to best practices in BI development, data governance, and performance optimization.

• Create handover documentation, user guides, and training materials for client teams.

• Support junior team members by providing guidance and feedback.

• Stay up to date with emerging BI tools, methodologies, and market trends

The key requirements of this role are:

• 3 - 5 years of experience in Business Intelligence, Data Analytics, or similar consulting/ analytical roles.

• Bachelor's degree in Business, Finance, Computer Science, Engineering, Economics, or related discipline.

• Strong hands-on experience with Power BI and SQL; Tableau exposure is a plus.

• Excellent command of English and proficiency in MS Office.

• Strong analytical thinking, accuracy, and attention to detail.

• Collaborative attitude, problem-solving attitude, and ability to work effectively within a team.

• Ability to manage multiple deliverables in a fast-paced, project-based environment.

• Self-driven, proactive, and motivated to continuously learn and grow.

• Military obligations fulfilled (if applicable).

Preferred Skills (not required, but a strong advantage)

• Master’s degree or MBA.

• Prior experience in another consulting firm or client-facing analytics role.

• Project management skills; PMP or similar certification will be considered a plus.

• Understanding KPI modeling, financial/ operational metrics, and data modeling principles.

• Familiarity with DAX or other query languages.

• Experience with ETL tools and workflows (e.g., Power Query, SSIS).

• Solid Grasp of data visualization principles and dashboard design best practices.

• Relevant certifications (e.g. Microsoft Power BI, Google Data Analytics, etc.)

• Experience in performance improvement, process optimization, operational/ financial analytics, or supporting transaction-related projects (e.g. due diligence, M&A, etc.).

What’s in it for You?

At Grant Thornton Greece, we believe that great work deserves great rewards! Here’s what you can look forward to:

• 🌈 Diverse and inclusive workplace

• 🏋️‍♂️ Friendly, Dynamic Working environment

• 💰 Competitive Salary & Bonus

• 🩺 Insurance Program for all GT members

• 👩‍🏫 Fully funded Training & Professional Qualifications

• 🏖 Extra Days-off: August Freedays, Volunteering Days, Early leave days

• 🏃🏽‍♂️ Corporate Sports Teams (e.g., Running, Basketball, Volleyball)

• 🎁 Exclusive Discounts: Special offers and discounts for employees

• 🚗 Company Car (depending on job level)