Marsh McLennan

Administrative Assistant – Ireland

Portugal · Hybrid · Full time

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About the role

Description from the employer’s posting. Check the employer’s page for the current version.

EmployerMarsh McLennan
LocationPortugal
Work styleHybrid
Employment typeFull time
Employer posted2 Oct 2026

Company:

Mercer

Description:

We are seeking a talented individual to join our Support team, part of our People and Investments business at Marsh. This role will be based in Lisbon. This is a hybrid role that has a requirement of working at least three days a week in the office.

As an administrative assistant, you will work as part of a team supporting consultants in all aspects of pensions consulting and actuarial work on both corporate and trustee clients.

You will work directly with consultants based in Ireland, as well as support teams located in both Portugal and Ireland, to coordinate and manage the delivery of services to our clients.

We will count on you to:

Provide a full range of support and services to clients of the Private Wealth team.
Support the team in processing new and existing business in a compliant manner.
Draft client reports and collate valuations in line with the peer review process.
Assist with pipeline reporting via online websites and the CRM system.
Perform daily scanning, filing, and indexing of documentation into the CRM system.
Handle all queries and allocated tasks promptly and efficiently.
Liaise with all third parties and insurance companies as required.
Continuously update and maintain client details in accordance with established procedures and systems.
Process claims related to retirement, death, and disability.
Adhere to company policies, procedures, and controls to ensure the delivery of excellent service.
Support the Team Leader and Division Manager with ongoing and future projects.
Ensure the CRM database is maintained accurately and in line with procedures.
Perform other ad-hoc duties and assist with projects as needed.

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What you need to have:

Excellent written and spoken English (C1/C2).
Minimum 1 year experience in a similar role.
Excellent planning and organizational skills in order to prioritize and effectively manage a wide variety of ongoing tasks.
Proven team player with a flexible attitude towards work.
Proven ability to deliver excellent client service and satisfaction.
Advanced Microsoft Office skills.
Good attention to detail is critical.

Why join our team:

We help you be your best through professional development opportunities, interesting work and supportive leaders.
We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have impact for colleagues, clients and communities.
Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being.

Marsh (NYSE: MRSH) is 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, visit marsh.com, or follow us on LinkedIn and X.

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.

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