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Marsh McLennan

Portfolio Implementation Associate

Sorry, this job was removed at 06:14 a.m. (EST) on Thursday, Feb 05, 2026
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In-Office
Highland, Boston, MA
54K-108K Annually
In-Office
Highland, Boston, MA
54K-108K Annually

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Company:Mercer

Description:

We are seeking a talented individual to join our Wealth Business at Mercer. This role will be based in Boston and offers a hybrid work arrangement, requiring a minimum of three days per week in the office.

As a Portfolio Implementation Associate, you will take direct responsibility for discretionary client and investment product implementations, collaborating closely with investment consulting, operations, and portfolio management teams. You’ll manage key activities such as account setup, trade instructions, in-kind transactions, and operational risk reviews, ensuring smooth and efficient execution. Providing comprehensive operational support for new client accounts and assisting with ad hoc client requests, you’ll play a vital role in delivering exceptional service and facilitating seamless communication across teams. This is an exciting opportunity to contribute to impactful investment processes in a dynamic environment!

We will count on you to:

  • Assist with the development and maintenance of detailed project plans for each asset transition
  • Assisting with the legal review process between the client and internal Mercer Legal to ensure that agreements are negotiated timely
  • Work with operational stakeholders to ensure that all client setup requirements are considered and executed timely
  • Work with the Mercer client team to ensure that clients’ legacy investments are transitioned efficiently and accurately from the existing structure to the new investment line-up
  • Ensure that all new client onboarding compliance requirements are met
  • Assist with implementation of trading requirements / improvements with Daily Operations team
  • Assist with all aspects of trading related to new client onboarding events
  • Communicate and document agreed upon asset allocation and trade results
  • Be risk-aware and contribute to culture of continuous improvement

What you need to have: 

  • Bachelor degree in accounting, finance, business or related field of study
  • 1-6 years of experience in Portfolio Operations, Fund Accounting and/or Custodial oversight, with progressive increase in responsibilities
  • Strong analytical and organizational skills, and ability to multi-task
  • Clear and effective communication (both verbal and written) while engaging directly with clients
  • Proficiency in Microsoft Office, especially Microsoft Excel
  • General experience with client relationship management systems, databases, and trading systems (Charles River) is advantageous

What makes you stand out?

  • Prior investment experience with Defined Contribution Plans, Pensions & Not-For-Profit organizations
  • Demonstrated ability to work in a fast paced environment where adherence to procedures and controls is critical
  • Basic understanding of investment management concepts, markets, and operational mechanics of institutional portfolios and investment vehicles
  • Positive attitude & proven ability to work well in a team oriented environment, while maintaining ownership over individual responsibilities

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 an impact on 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.

Mercer 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 $24 billion and more than 90,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information about Mercer, visit mercer.com, or follow us on LinkedIn and X.

Marsh 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, veteran status (including protected veterans), or any other characteristic protected by applicable law. If you have a need that requires accommodation, please let us know by contacting [email protected].

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.

The applicable base salary range for this role is $54,000 to $108,000.

The base pay offered will be determined on factors such as experience, skills, training, location, certifications, education, and any applicable minimum wage requirements. Decisions will be determined on a case-by-case basis. In addition to the base salary, this position may be eligible for performance-based incentives.

We are excited to offer a competitive total rewards package which includes health and welfare benefits, tuition assistance, 401K savings and other retirement programs as well as employee assistance programs.

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