Oliver Wyman -Intern Consultant - Brussels (Belgium)

Marsh McLennan; Brussel Hoofdstad; On-site; EUR 10,000 - 17,000; Full time

Job summary

Oliver Wyman in Belgium offers a structured internship for current Bachelor’s or Master’s students. You will join a project team from day one, work on real business challenges with clients, and gain hands-on consulting experience to support your future career.

You will contribute through research, analysis, problem solving, and the development of client recommendations and deliverables, with ongoing coaching and feedback from experienced consultants.

Qualifications

• Current Bachelor’s or Master’s degree student.
• Strong academic performance and curiosity.
• Fluency in English plus Dutch or French is required.

Responsibilities

• Contribute to client projects through research, analysis, problem solving, and development of client deliverables.
• Work with experienced consultants, participate in team discussions and client interactions to gain experience.
• Receive coaching and feedback while collaborating with colleagues across industries and capabilities.

Skills

English fluency

Dutch or French fluency

Strong academic performance

Leadership experience

Teamwork

Analytical mindset

Education

Bachelor’s or Master’s degree in progress

Job description

Company:

Oliver Wyman

Description:

Who we are

Oliver Wyman is a global management consulting firm. We work with clients through their most defining moments, combining deep industry knowledge, specialized expertise, and the power of perspective to help them adapt, grow, and thrive.

We believe diverse perspectives make the work stronger. Our consultants bring different backgrounds, experiences, and ways of thinking to help solve complex problems and create lasting impact for clients, colleagues, and communities.

At Oliver Wyman, we are proud of the values that we aspire to live by. We are committed to creating an inclusive environment where everyone can thrive and reach their full potential.

What you will do

As an intern, you’ll be a fully integrated member of a project team, working alongside colleagues and clients on real business challenges from day one. You’ll contribute to meaningful client work, gain firsthand consulting experience, and develop the skills that will support your future career.

• Contribute to client projects through research, analysis, problem solving, and the development of client recommendations and deliverables.

• Work alongside experienced consultants, participating in team discussions and client interactions to gain firsthand consulting experience.

• Receive ongoing coaching, mentorship, and feedback while collaborating with colleagues across industries and capabilities.

Why join us?

You can be your best here. At Oliver Wyman, you will find meaningful work, talented people, and a culture built on trust, support, and growth.

Create solutions that have impact

• Work on challenging projects that help clients solve complex problems, make better decisions, and create meaningful impact.

• Have the opportunity to work across different industries, capabilities, and cultures, contributing to work that has lasting impact for clients, industries, and society.

• Be part of teams that measure success not just by deliverables, but by the difference created together.

Develop as a Leader

• From day one, be encouraged to take initiative, ask questions, and bring your perspective.

• Learn how to structure problems, communicate clearly, and contribute to team discussions and client conversations.

• As you grow, you’ll build confidence, take on greater responsibility, and see the impact your contribution can make.

Learn and grow without limits

• Build real consulting skills through hands‑on project experience, formal training, continuous coaching, and mentoring.

• Learn from experienced consultants and industry experts while developing your analytical, communication, and problem‑solving skills.

• Expand your network across the firm and gain insight into the many career paths available at Oliver Wyman.

Thrive in a vibrant and inclusive culture

• Work with genuine colleagues who stand by their beliefs, collaborate across differences, and support one another.

• Be part of an open, inclusive, and down‑to‑earth culture where diverse perspectives strengthen the work.

• Connect with colleagues through employee resource groups, office communities, and social activities.

Experience rewards that work for you

• Participate in a structured internship program designed to accelerate your professional growth.

• Build your network through intern events, social activities, and connections across the firm.High‑performing interns may be considered for future internship or full‑time opportunities, subject to business needs and local hiring practices.

Who can apply?

• Students currently pursuing a Bachelor’s or Master’s degree and expected to graduate within the next 1–2 years.

• Strong academic performance and demonstrated intellectual curiosity.

• We welcome students from all academic backgrounds; no specific major or prior consulting experience is required.

• Individuals who display initiative, creativity, adaptability, and a strong analytical and problem‑solving mindset.

• Evidence of leadership positions, teamwork, entrepreneurship, extracurricular involvement, or other meaningful achievements is highly valued.

• Strong communication and interpersonal skills, with the ability to collaborate effectively in a team environment.

• Language skills: English and Dutch or French fluent

What to expect during the interviews process?

At Oliver Wyman, we want you to shine in your interview. Our process is designed like our work environment — it’s challenging, exciting, and fun.

With a mix of conversational and case interviews, our approach not only helps us to get to know you better, understanding your strengths and interests, but it also enables you to learn more about our people and our business.

If you want to learn more about consulting interviews and start your preparation, please visit our careers page: https://www.oliverwyman.com/careers/entry-level/interview-preparation.html

Oliver Wyman is a business of Marsh (NYSE: MRSH), a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visitoliverwyman.com, or follow us onLinkedInandX.

Marsh is committed to creating a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age, background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, or any other characteristic protected by applicable law.

Marsh is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office‑based teams will identify at least one “anchor day” per week on which their full team will be together in person.