Senior Retail & E-commerce Consultant

sia· Marketing & Customer Strategy
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📍 Brussels📍 Brussels, , Belgium📍 beFull time

About this role

Company Description

Sia is a next-generation, global management consulting group. Founded in 1999, we were born digital. Today our strategy and management capabilities are augmented by data science, enhanced by creativity and driven by responsibility. We’re optimists for change and we help clients initiate, navigate and benefit from transformation. We believe optimism is a force multiplier, helping clients to mitigate downside and maximize opportunity. With expertise across a broad range of sectors and services, our 3,000 consultants serve clients worldwide from 48 locations in 19 countries. Our expertise delivers results. Our optimism transforms outcomes. 

Job Description

You will help our clients in the retail sector defining and implementing e-commerce strategies and new business models making them more performant while increasing its commercial footprint.

You will mainly work on:

  • Defining and implementing e-commerce strategies for our retail customers
  • Improving e-commerce commercial footprint and profitability by auditing and stipulating recommendations
  • Defining and improving omnichannel business models
  • Drive customer and acquisition traffic and conversion through digital marketing optimisations across all channels
  • Executing full lifecycle project management on e-commerce projects
  • Contributing to Sia ’ business development and go-to markets in the retail e-commerce area

Equipped with the entrepreneurial fibre, you are ready to collaborate with us in a fast growing company. 

Qualifications

  • You have successfully completed your Master’s Degree.
  • 3 to 5 years’ experience as a consultant 
  • You have experience working in the Retail sector, preferably a B2C environment
  • E-commerce and all the different solutions are a passion for you.
  • Dutch, French & English speaker with excellent communication and presentation skills.
  • You have a creative and analytical mind and eager to continuously keep abreast of e-commerce trends and innovations
  • You have a strong interest in data and AI-related topics, the ability to quickly build expertise in these areas, and you’re excited about helping our clients seize the opportunities they offer.
  • You are dynamic, result-oriented combined with an entrepreneurial mindset.

Additional Information

We are unable to provide a work permit for this position

Sia is an equal opportunity employer. All aspects of employment, including hiring, promotion, remuneration, or discipline, are based solely on performance, competence, conduct, or business needs. 

Sia is an equal opportunity employer. All aspects of employment, including hiring, promotion, remuneration, or discipline, are based solely on performance, competence, conduct, or business needs. 

Frequently Asked Questions

Is the salary disclosed for the Senior Retail & E-commerce Consultant position at sia?
The salary for this Senior Retail & E-commerce Consultant role at sia is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Retail & E-commerce Consultant position at sia located?
This Senior Retail & E-commerce Consultant role at sia is based in Brussels, Brussels, , Belgium, be. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Retail & E-commerce Consultant role at sia full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Retail & E-commerce Consultant role in the Marketing & Customer Strategy department at sia.
Which team or department does the Senior Retail & E-commerce Consultant at sia belong to?
This Senior Retail & E-commerce Consultant position is part of the Marketing & Customer Strategy department at sia. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Retail & E-commerce Consultant position at sia?
Click the "Apply Now" button on this page. You will be redirected to sia's official application portal hosted on smartrecruiters where you can submit your application directly.
When was the Senior Retail & E-commerce Consultant job at sia posted?
This Senior Retail & E-commerce Consultant position at sia was posted on May 8, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Retail & E-commerce Consultant
sia
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