Mercer Marsh Benefits (MMB) Graduate Darwin Client Manager Programme in London

Starting in March 2026, this graduate opportunity offers immediate integration into our Darwin Client Manager team as part of our established graduate programme. Mercer is part of the Marsh family and at Mercer, we believe in building brighter futures. Together, we’re redefining the world of work, reshaping retirement, and investment outcomes, and unlocking real health and well-being. Mercer Marsh Benefits (MMB) is the largest benefits consultancy in the UK and we work with clients to design the best benefits package for their employees. MMB offers our clients a wide range of employee benefits consulting, brokerage and digital solutions, all of which are designed to improve the benefits experience for our client’s most valuable asset – their people. The nature of the employee benefits industry is changing, and at MMB we are excited to be leading this change. The MMB Academy offers an accelerated learning programme and comes at an exciting time to join MMB. If you want to tackle new challenges, develop a breadth of skills, be a part of a growing business and have fun at the same time, read on!

What can you expect?

On completion of the graduate programme, you will report to a Darwin Client Management Team Leader and this role will be responsible for supporting Darwin clients with their technology renewal process and collaborating with other consulting colleagues on clients to deliver a seamless client experience. You will also work with clients to expand and deliver additional services, contributing to the growth of the business.

We will rely on you to:

• Assist in building and maintaining positive relationships with key client contacts, learning to provide consultative support throughout the client journey.
• Support the team in identifying ways to enhance the client service experience and contribute ideas to broaden client relationships.
• Help monitor client satisfaction and retention metrics, understanding their importance and contributing to achieving targets.
• Support the development and maintenance of client plans by gathering information and tracking progress under guidance.
• Learn to use Darwin and industry knowledge to understand client needs and support revenue growth initiatives.
• Assist in identifying potential opportunities for additional services or upselling within existing client relationships.
• Help maintain client toolkits, ensuring actions, issues, and project updates are recorded and communicated effectively.
• Support the preparation and organisation of client meetings, including quarterly business reviews, by gathering relevant data and materials.
• Assist in tracking client milestones and deliverables, ensuring timely follow-up and reporting to clients.
• Collaborate with delivery teams to support smooth service delivery and client satisfaction.
• Maintain accurate and up-to-date information in relevant systems such as JIRA, Confluence, and MercerForce.

What you need to have:

• To be eligible for this position, you must have achieved a minimum of a 2:1 in your degree discipline.
• A genuine interest in client management and relationship building, with a desire to become a trusted champion for our clients.
• Strong communication skills and a collaborative approach, ready to work closely with colleagues and clients alike.
• A willingness to learn about UK benefits, flexible benefits platforms, and the broader market landscape.
• An organised and proactive mindset, with the ability to manage your time effectively and prioritise tasks.
• Comfortable working on multiple projects simultaneously, maintaining focus and attention to detail under pressure.
• A team player who embraces our inclusive culture and values diversity.
• A positive, can-do attitude with a proactive approach to challenges and opportunities.
• A commercial awareness and eagerness to understand how business and financial factors impact client solutions.
• Well-developed knowledge of Microsoft Excel, Outlook, Word and PowerPoint.
• Right to Work in the UK (we are unable to provide Visa sponsorship for this role).

What makes you stand out:

• Self-motivated and goal-oriented with a drive to make a positive impact.
• Strong interpersonal and communication skills, both written and verbal.
• Ability to work independently and as part of a team, with intellectual curiosity.
• Strong organisational skills and attention to detail, with the ability to work under tight deadlines and adapt to changing client needs.

Mercer, a business of Marsh McLennan (NYSE: MMC), is a global leader in helping clients realise their investment objectives, shape the future of work and enhance health and retirement outcomes for their people. 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 mercer.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, civil partnership status, disability, ethnic origin, family duties, gender orientation or expression, gender reassignment, 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. We are an equal opportunities employer. We are committed to providing reasonable adjustments in accordance with applicable law to any candidate with a disability to allow them to fully participate in the recruitment process. If you have a disability that may require reasonable adjustments, please contact us at.