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  4. Mercer Global Investments Summer Internship Programme 2026
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Mercer Investments is a global leader in investment solutions, partnering with some of the world’s largest pension funds, endowments, and insurers to design and implement long-term investment strategies. As part of Marsh & McLennan, Mercer leverages deep research, data-driven insights, and delegated investment expertise to help clients navigate complex markets and achieve their objectives. As an intern, you will gain valuable exposure to portfolio strategy, manager research, sustainability and ESG integration, and global investment trends—developing your analytical, commercial, and consulting skills within a collaborative and purpose-driven environment.

Our Summer Intern Programme

Join Mercer’s Global Investments for an eight-week paid summer internship tailored for penultimate-year students eager to accelerate their careers. This unique opportunity offers hands-on experience working on real client projects across both traditional and alternative asset classes.

Throughout the programme, you will tackle challenging exercises, build practical skills, and connect with industry-leading specialists who will support and guide your career development. If you are motivated to embrace new challenges, expand your skill set, and thrive within a dynamic and inclusive team, this internship is the perfect fit.

Mercer’s Investments business provides bespoke investment tools, advice, and delegated solutions to pension scheme trustees and other asset owners, including endowments, foundations, and insurers. As an intern, you will assist in developing and delivering these solutions, sharpening your technical, numerical, project management, and communication skills through collaboration with multiple teams.

Success in this internship can fast-track your entry into Mercer’s rotational Investment Platform Graduate Programme. Additionally, we will work closely with you to identify further career opportunities within Mercer that align with your talents and ambitions.

We will count on you to

  • Utilise your strong technical and numerical skills.
  • Leverage your project management and communication abilities to collaborate effectively with various teams.
  • Support teams in providing valuable advice and solutions to clients.

What you need to have

  • Be a penultimate year student on track to achieve a minimum of a 2:1 degree.
  • Permanent Right to Work in the UK (we are unable to provide Visa sponsorship for this role).
  • Market Knowledge: A keen interest in financial markets, asset classes, and economic principles, along with a commitment to staying informed about market trends.
  • Problem-Solving Skills: The ability to creatively and efficiently identify and address challenges.
  • Attention to Detail: A strong focus on accuracy and thoroughness, particularly when analysing data and reports.
  • Communication Skills: The capability to clearly convey ideas and concepts, both in writing and verbally, to team members.
  • Team Collaboration: Strong interpersonal skills that enable effective teamwork and engagement with other departments.
  • Quantitative and Technical Skills: Proficiency in mathematics and statistics, as well as strong skills in Excel and PowerPoint. Familiarity with programming languages such as Python, R, or SQL, and financial software like Bloomberg is a plus.

Why join our team?

  • Accelerate your career with hands-on experience on real client projects, supported by expert mentorship and targeted professional development.
  • Thrive in a fast-paced, inclusive environment where your ideas drive innovative investment solutions that create real impact.
  • Unlock diverse career opportunities within a global leader, supported by competitive benefits and a culture committed to your success and well-being.

The Summer Internship dates are confirmed as 29 June – 21 Aug 2026.