Freelance ESG Data Consultant

Michael Page BeLux; Evere; On-site; EUR 65,000 - 101,000; Full time

Job summary

Michael Page Belgium seeks an experienced ESG analytics consultant for a multinational client in Brussels. The role centers on waste data reliability, reconciliation and analysis, using Excel as the primary tool, with 60–80% focus on data quality and reporting improvements.

You will interview data owners, identify data gaps, and propose practical improvements. You will prepare clear, data-driven presentations for senior management, and coordinate with stakeholders to drive action plans.

Qualifications

• Consulting background, ideally with a Big Four firm or equivalent.
• Excellent analytical skills and high Excel proficiency.
• Fast learner, autonomous and adaptable.
• Able to synthesize complex information for senior audiences.
• Strong stakeholder coordination and project management.
• Fluent in French and English; Dutch is a plus.

Responsibilities

• Analyse and reconcile data using Excel to identify inconsistencies and opportunities.
• Interview data owners to understand data sources and challenges.
• Recommend improvements to data collection, quality, and reporting.
• Prepare polished PowerPoint presentations for senior management and ExCo audiences.
• Coordinate with stakeholders to drive action plans and project delivery.

Skills

Analytical skills

Excel proficiency

Stakeholder engagement

Autonomy

Executive presentations

Tools

PowerPoint

Job description

• You are available asap ?
• You will work on reliability, reconciliations and analysis of waste data.

About Our Client

Our client is a multinational.

Job Description

1. Waste data and performance improvement - approximately 60-80% of the time

• Take ownership of the waste topic and improve the reliability of existing data.
• Analyse and reconcile datasets, primarily using Excel, to identify inconsistencies,gaps and opportunities for improvement.
• Interview key stakeholders and data owners to understand data sources, processesand challenges.
• Recommend practical improvements to data collection, data quality and reporting.
• Identify initiatives that could reduce waste volumes and improve treatmentmethods.
• Prepare polished PowerPoint presentations, including clear charts and concise data analysis, for senior management and ExCo audiences. This consultant is not expected to provide technical expertise or lead a tool transformation. The focus is on strong analytical skills, the ability to interpret and challenge the data, and working with key stakeholders to develop action plans to reduce waste and improve treatment methods.

2. Other ESG projects - approximately 20-40% of the time

The Successful Applicant

We are primarily looking for an experienced consultant with strong analytical skills and a quick learning curve; prior ESG experience is not essential.

• Has a consulting background, ideally with a Big Four firm or equivalent, or haspreviously worked in a comparable consulting environment.
• Has excellent analytical skills and is highly proficient in Excel.
• Understands new topics quickly, adapts easily and becomes autonomous rapidly.
• Delivers rigorous, reliable work right first time.
• Can synthesise complex information and create compelling presentations for senioraudiences.
• Is comfortable engaging with a range of stakeholders and coordinating projects.
• Has a predominantly "Blue and Red" profile: analytical, structured, rigorous andresults-oriented.
• Fluent in French and English; Dutch is an asset but not a requirement.

What's on Offer

Interesting assignment until minimum end of March 2027.