Machine Learning Engineer

Sia; Brussel Hoofdstad; On-site; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Mobility budget

Hospital insurance

Performance-related bonus

Job summary

Sia is expanding its Data team in Brussels, seeking an experienced Machine Learning Engineer to grow the team and shape the future of AI capabilities across global client projects. You will drive production ML/AI developments, mentor data scientists, and collaborate with cross-functional teams to deliver real-world business impact.

You will lead architecture decisions for cloud environments, build production-grade solutions, and contribute to thought leadership through trainings and external

Qualifications

• MSc in Computer Science, Applied Mathematics, AI or Embedded Systems.
• 2–4 years building production ML/DL pipelines and models.
• Strong ML fundamentals; domain knowledge in CV/DL/NLP.
• Excellent Python; plus Scala/C++/Java.
• Experience with SQL/ PostgreSQL.
• Cloud experience (AWS/GCP/Azure) and DevOps tools.
• Unix CLI and Git; big data tech (Spark/Hadoop/Databricks).
• Interest in data/AI and ability to mentor others; travel often; fluent English, French, Dutch.

Responsibilities

• Lead an internal team to develop AI products.
• Work in multidisciplinary client projects as an expert.
• Make architectural/design decisions for cloud environments.
• Build production ML/AI solutions with solid software engineering.
• Guide Data Scientists to scale models to production.
• Provide trainings, run internal meetings and external events.
• Participate in client meetings/workshops and knowledge-sharing.
• Write blogs, present at conferences, and lead subject matter communications.

Skills

Project management

Time management

Communication

Problem solving

Team collaboration

Coaching/mentoring

Education

MSc in Computer Science

MSc in Applied Mathematics

MSc in Artificial Intelligence

MSc in Embedded Systems

Tools

Python

Scala

C++

Java

SQL

PostgreSQL

AWS

GCP

Azure

Docker

Kubernetes

Git

Spark

Hadoop

Databricks

Job 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

What you will do

As an expert in the field of Machine Learning Engineering you will be responsible for the growth of our Data team, both professionally as well as in size. You will be in charge of shaping and executing the future of your expertise within Sia. You will work on client projects as well as on building our own Sia AI solutions, together with our Dutch team of Data Scientists, our French Data Engineering team, and other business units of Sia Global.

Your responsibilities include:

• Leading an internal team towards the development of AI products;
• Working in a multidisciplinary team on client projects as an expert on your subject;
• Making architectural and design decisions for cloud environments;
• Building production level ML/AI solutions with solid software engineering;
• Guiding Data Scientists to scale up their models into production (parallelizing, optimizing, tuning, testing, and wrapping);
• Giving trainings, leading internal meetings and organizing external events;
• Participating in team meetings and workshops with clients;
• Writing blog articles, presenting at conferences and sending out press releases on the subject that you lead.

Who you will work with

The Data Science team is young, diverse and growing (10+). You will join a team that will challenge you and invest in your professional development. We have a flat structure and rely on the entrepreneurial spirit of our members: initiative is highly encouraged. We are striving for well-being, diversity and knowledge-sharing inside the team, so that we can grow together.

Who you are

• You are an established technical professional that wants to make the next step in their career, taking on more leadership responsibilities.
• You have first-rate project management and time management skills.
• You are a true problem solver, you turn complex issues into simple and impactful business solutions.
• You are enthusiastic for applying Data Science/Engineering solutions to business problems.
• You have excellent communication skills and can present complicated concepts in a synthetic way.
• You have the ability to adapt rapidly and work on a range of different business areas within a challenging environment.
• You have the ability to work collaboratively in a team environment.

In return, you can expect:

• An international company that gives importance to diversity, inclusion, employee well-being and corporate social responsibilities actions.
• A great working atmosphere with friendly and professional colleagues where innovation and entrepreneurship are encouraged
• A personal development plan with a regular follow-up as well training opportunities to develop yourself
• A competitive salary with great advantages, like mobility budget, hospital insurance, performance -related bonus,...

Qualifications

• MSc level education in Computer Science, Applied Mathematics, Artificial Intelligence, Embedded Systems or related field of study.
• 2-4 years of experience in building production-quality ML/Deep Learning pipelines and models.
• Good understanding of Machine Learning fundamentals and strong knowledge in a specific domain (e.g., Computer Vision, Deep Learning, NLP).
• Expert coding skills in Python and at least one of these languages: Scala, C++, Java.
• Hands-on experience with database management languages (e.g., SQL, PostgreSQL).
• Hands-on experience in cloud-based infrastructures (AWS/GCP/Azure).
• Hands-on experience with Unix-based command line and DevOps tools (Git, Docker, Kubernetes).
• Hands-on experience with big data technologies (e.g. Spark, Hadoop, Databricks).
• 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.
• Experience with coaching/mentoring other engineers.
• Prior experience in Management Consulting is a strong plus.
• Willingness to travel and work at local and international clients.
• Fluency in spoken and written English, French and Dutch is required.

Additional Information

Unfortunately, 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.