Summer Intern Consultant

Spanish Speaker

Posted on 9/1/2025

Marsh & McLennan

Marsh & McLennan

No salary listed

Madrid, Spain

Hybrid

Candidates are expected to be in the office at least three days per week.

Company:

Oliver Wyman

Description:

**This vacancy is for non MBA students only **

We offer an internship as a consultant of 8-24 weeks full time between June and July 2026

Who We Are

Oliver Wyman is a global leader in management consulting that combines deep industry knowledge with specialized expertise in strategy, operations, risk management, and organization transformation. Our mission is to help clients achieve lasting success by solving their most complex problems and seizing their biggest opportunities.

We believe in the power of diverse perspectives and collaborative teams to drive innovation and impact. Our consultants come from a range of backgrounds and experiences, and we embrace the unique skills and insights they bring to our work

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 a memberofyourproject team you’llworkalongsidecolleaguesof all levels and clientsworldwidetosolvecomplexproblems and drivemeaningfulchange

  • Project-relatedactivitiesincludeconducting research, surveys and interviews and analysingdatatogaininsights, assess problems and structure solutions.

  • You’lllearnourcorebusinessskills, includinghowtostructureyourdailytasks.

Why join us? ​

  • Come aboardifyouareexcitedbychallenges and wanttoworkacross different cultures.

  • Wewantyoutostep out ofyourcomfortzone and embraceyourcuriosity.

  • Ourconsultantslearn on thejob and receive formal trainingtodeveloptheircommunication, presentation, analytical, and clientmanagementskills.

  • You’ll find genuine colleagueswhostandbytheir beliefs and measuresuccessbythelastingimpactyoucreatetogether

  • Webelieve in flexibility, includingtheopportunityof hybrid working. Youare also invitedtojoinouremployeeresourcegroups and social activities.

Immediate impact, continuous challenge ​

  • You’llwork on challengingprojectsthathave a significantimpact on clients, industries, and societiesfromdayone. ​

  • We’ll ask youtobe brave, challengingthestatus quo and constantlystrivingtobuildsomethingnewtoshapeour firm and theworldaroundus.  

  • You’llbe a contributing team memberfromthestart, building trust-basedrelationshipswithstakeholders and deliveringbreakthroughimpact. ​

  • Yourlearningcurve will besteep, witheachprojectofferingnewopportunitiestoexpandyourtoolkit and to team withspecialistswhohavedeepsubject-matter and technicalexpertise.​

  • You’lllikelyhavethechancetotravelwithinyourhomemarket and internationally. Notwoweeksareeverthe same. 

Click here to learn even more.

Chart your course; we support the journey 

  • You’ll have the opportunity to work on projects across all our industries and capabilities and will be able to specialize early or leave it until several years in. ​

  • Various colleagues will guide and coach you throughout your career, including a dedicated buddy, a career adviser, andyour talent manager. ​

  • We care deeply about sustainable work-life quality and provide for career flexibility with a variety of programs including sabbaticals, non-profit fellowships, and externships. ​

We hire you to be you

  • Our open, inclusive, and down-to-earth culture will enable you to bring your best authentic self to work.

  • You’ll work alongside down-to-earth colleagues who do serious work, but don’t take themselves too seriously.

  • There’s no corporate mold to fit and hierarchy doesn’t get in the way.

  • We do not let artificial barriers stand in the way of your personal career progression. 

Who can apply?

  • Students in their penultimate year of Bachelor's or Master's degree only are eligible to apply for this vacancy. Including final year undergraduate students who will be studying a master and will graduate in 2027.

  • We look for people who display initiative, intuition, and creativity with a strong problem solving and analytical mindset. We do not require specific academic majors or industry experience and look for diversity of experience and skills. We value extracurricular activities and evidence of leading an interesting and impactful life outside of your studies.  ​

  • Language skills: Spanish and English (native/fluent)​

We offer an internship as a consultant of 8-24 weeks full time in 2026. Start dates will be June and July 2026.

How to Apply

Please submit your CV, cover letter and transcript. If you would like to find out more information about Oliver Wyman, please visit our website or alternatively, apply to attend one of our events, details of which can be found here.​ 

Oliver Wyman, a business of Marsh McLennan (NYSE: MMC), is a management consulting firm combining deep industry knowledge with specialized expertise to help clients optimize their business, improve operations and accelerate performance. Marsh McLennan is a global leader in risk, strategy and people, advising clients in 130 countries across four businesses: Marsh, Guy Carpenter, Mercer and Oliver Wyman. With annual revenue of $24 billion and more than 90,000 colleagues, Marsh McLennan helps build the confidence to thrive through the power of perspective. For more information, visit oliverwyman.com, or follow on LinkedIn and X.Marsh McLennan is committed to embracing 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. In accordance with Section 40.2 of the Royal Legislative Decree 1/2013, of 29 November, approving the Consolidated Text of the General Act on the Rights of Persons with Disabilities and their Social Inclusion, Marsh McLennan will provide a reasonable accommodation to employees and prospective employees up to the point of undue hardship as required for the individual’s particular restrictions and limitations.Marsh McLennan 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 McLennan 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.