Senior Administrative Assistant
Confirmed on the employer's own hiring board on Nov 4, 2026. First seen by Alion on Oct 20, 2026. Marsh McLennan scores B on the Alion truth index.
Company:
MarshDescription:
We are seeking a talented individual to join our team at Marsh Re. This role will be based in Seattle, WA. This is a hybrid role that has a requirement of working at least three days a week in the office.
The Senior Administrative Assistant provides travel and expense support for several colleagues in a fast-paced sales environment, utilizing independent judgment and proactive problem-solving. Additionally, this role includes maintaining calendars for senior colleagues, occasional client interactions, and assisting with office responsibilities while operating with limited oversight and escalating complex requests to management.
We will count on you to:
- Arrange travel accommodations, prepare itineraries, and coordinate group travel logistics.
- Coordinate meetings, teleconferences, and client/market meeting-room bookings across U.S. time zones.
- Prepare and submit expense reports in accordance with corporate T&E policies.
- Support event planning and execution, including catering, private-room bookings, and restaurant reservations.
- Provide onboarding and offboarding support, including nameplates, access cards, Amex cards, and distribution list updates.
- Perform general administrative duties such as ordering office supplies, business cards, promotional materials, and handling shipping/couriers.
- Create and edit documents in PowerPoint, Excel, and Word in line with MMC style guidelines.
- Partner with Broking Support Services leadership to improve processes, consistency, and efficiency across the region.
What you need to have:
- High school diploma and 5+ years of administrative experience, including meeting and event planning, Outlook calendar management, international travel arrangements, and expense management.
- Expertise in Word, Excel, and PowerPoint, with the ability to manage multiple priorities while keeping stakeholders informed.
- Strong experience with event planning, including meeting catering and external events.
- Resourceful, proactive, and highly organized, with strong communication skills, experience using Zoom and Microsoft Teams, and the ability to maintain confidentiality.
What makes you stand out:
- Bachelor’s degree
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.
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, 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] 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.