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Deloitte

value creation services - performance improvement & operations | data & analytics consultant / senior consultant

Oct 2, 2026 · Deloitte

Αττική·Oct 2, 2026
ΑττικήOn SiteΔιοίκηση ΕπιχειρήσεωνPermanentFull Time
JOBILY AI SUMMARY

What you'll do

  • Connect to client operational and financial systems to extract relevant transactional data
  • Transform raw client data into structured, analysis-ready datasets and document assumptions and limitations
  • Write and troubleshoot SQL queries across multiple tables and resolve data discrepancies
  • Develop and maintain Python scripts to automate data cleaning, transformation and processing
  • Build Power BI dashboards and structured analytical summaries from scratch
  • Organise analytical outputs into clear, presentation-ready formats
  • Develop reusable analytical tools, processing templates and standardised workflows
  • Manage analytical tasks across concurrent client engagements while meeting diagnostic timelines

Key requirements

  • 3+ years' experience
  • SQL for complex queries, relational databases and data reconciliation
  • Python with Pandas and NumPy for data cleaning, transformation and processing
  • Power BI, data modelling, DAX and data visualization
  • Advanced Excel and Power Query
  • Data extraction, data cleaning and analytical outputs
  • Strong analytical skills and numeracy
  • Industrial Engineering / Mechanical Engineering / Mathematics / Statistics / Computer Science / Any Field

Benefits

  • Deloitte offers development and career progression support, agile working arrangements, and a collaborative, inclusive workplace.
  • Employees are supported, encouraged, and given opportunities to develop skills and capabilities.

About the job

What impact will you make? #YourOpportunity At Deloitte, the spirit of the excellence is part of our DNA. We strive to hire the brightest minds from all around the globe, allowing us to excel in both long-term strategic thinking and business improvement implementation as the undisputed global…

About the company

Deloitte drives progress. Our firms around the world help clients become leaders wherever they choose to compete. Deloitte invests in outstanding people of diverse talents and backgrounds and empowers them to achieve more than they could elsewhere. Our work combines advice with action and integrity. We believe that when our clients and society are stronger, so are we.


Deloitte refers to one or more of Deloitte Touche Tohmatsu Limited (“DTTL”), its global network of member firms, and their related entities. DTTL (also referred to as “Deloitte Global”) and each of its member firms are legally separate and independent entities. DTTL does not provide services to clients. Please see www.deloitte.com/about to learn more.

Workplace
On Site
Sector
Διοίκηση Επιχειρήσεων
Employment Type
Permanent
Work Time
Full Time

About the company

Deloitte drives progress. Our firms around the world help clients become leaders wherever they choose to compete. Deloitte invests in outstanding people of diverse talents and backgrounds and empowers them to achieve more than they could elsewhere. Our work combines advice with action and integrity. We believe that when our clients and society are stronger, so are we.


Deloitte refers to one or more of Deloitte Touche Tohmatsu Limited (“DTTL”), its global network of member firms, and their related entities. DTTL (also referred to as “Deloitte Global”) and each of its member firms are legally separate and independent entities. DTTL does not provide services to clients. Please see www.deloitte.com/about to learn more.