Senior Administrative Assistant/Secretary

September 29, 2026

We are seeking a talented individual to join our Marsh Investments team. This role will be based in Toronto, Canada. The is a hybrid role that requires at least three days a week in the office. We are seeking a highly organized and proactive Administrative Assistant to support our investments leadership team. This role is an important part of the team, helping ensure smooth day-to-day operations through strong calendar management, document coordination, client support, and administrative execution. We will count on you to:<ul><li>Manage consultants’ calendars and schedule meetings, travel, and related logistics.</li><li>Process and coordinate consultant expense reimbursements and expense reports in a timely manner.</li><li>Support client marketing information and maintain accurate records in MS Dynamics.</li><li>Coordinate document production using available resources and provide peer review before final distribution to ensure quality control.</li><li>Edit and create documents in PowerPoint, Excel, and Word while ensuring all materials adhere to Marsh’s global identity and document standards.</li><li>Adhere to best practices for expense control, including travel rates, office supplies, catering, and vendors, and contribute to accurate client/project budget management through timely entry.</li><li>Perform clerical duties such as electronic filing, mail handling, e-mail management, photocopying, and other administrative support as needed.</li><li>Assist the team with a variety of administrative tasks and provide back-up AA support within the business unit, collaborating with Investments & Retirement AAs in other offices.</li></ul> What you need to have:<ul><li>3+ years of administrative or executive assistant experience in a fast-paced environment.</li></ul><ul><li>Strong calendar management, travel coordination, and expense processing skills.</li></ul><ul><li>Proficiency in Microsoft Office Suite, including PowerPoint, Excel, and Word.</li></ul><ul><li>Post-secondary education, along with excellent organizational skills, attention to detail, and the ability to manage multiple priorities with discretion.</li></ul> What makes you stand out:<ul><li>University degree and experience supporting consultants or client-facing teams.</li></ul><ul><li>Familiarity with MS Dynamics or similar CRM systems.</li></ul><ul><li>A collaborative mindset with a strong commitment to service, quality, and efficiency.</li></ul> Why join our team:<ul><li>We help you be your best through professional development opportunities, interesting work and supportive leaders.</li></ul><ul><li>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.</li></ul><ul><li>Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being.</li></ul> 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 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 the Accessibility for Ontarians with Disabilities Act, 2005, Marsh will provide a reasonable accommodation to employees and prospective employees to the point of undue hardship upon request and as required in respect of the individual’s particular restrictions and limitations. If you require a specific accommodation because of a disability or medical need, please contact reasonableaccommodations@marsh.com. 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 $81,000.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, retirement programs as well as employee assistance programs. This is a Replacement position.

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