Senior Administrative Assistant - North America Institutional

About Our Company

Working at Columbia Threadneedle Investments you'll find growth and career opportunities across all of our businesses. We’re intentionally built to help you succeed. Our reach is expansive with a Columbia Threadneedle Investments global team of 2,300 people working together. Our capability is diverse with more than 550 investment professionals sharing global perspectives across all major asset classes and markets. Our clients have access to a broad array of investment strategies, and we have the capability to create bespoke solutions matched to clients' specific requirements.

Our unwavering focus on our clients and strong financial foundation connects each of our enterprise businesses — Ameriprise Financial, Columbia Threadneedle Investments and River Source Insurance and Annuities.

As Senior Administrative Assistant for North America Institutional, you will be a trusted partner to a dynamic team, helping the business operate efficiently and stay focused on client and commercial priorities. You will bring structure to meetings, travel and communications while supporting department initiatives and special projects. This role offers broad exposure, opportunities to influence how the team works and the ability to strengthen day‑to‑day execution across internal and external stakeholders.

You will also have opportunities to guide other administrative professionals and grow your impact through sound judgment, discretion and proactive problem‑solving. This role can be based from either our Boston or New York office.

• Proactively manage team calendars, prioritize competing requests and coordinate schedules across internal and external stakeholders.
• Plan and deliver meetings, conferences, events and team offsites, including logistics, materials and travel coordination.
• Review and respond to emails on behalf of leaders when appropriate, identify priorities and flag items requiring follow‑up.
• Coordinate domestic and international travel arrangements and prepare timely, accurate expense reports and invoices.
• Create and edit presentations, communications and other materials that support leadership and team priorities.
• Support department operations, including recognition programs, timekeeping, budget coordination and supply management.
• Provide project and program support by researching questions, coordinating activities and responding to ad hoc requests.
• Onboard and mentor administrative team members and provide guidance or leadership to colleagues when needed.
• Provide reliable back‑up support for other administrative assistants to maintain continuity across the business.

• 1 to 3 or more years of administrative or support experience, with experience working in a corporate environment preferred.
• High school diploma or General Educational Development (GED) credential required; an associate or bachelor’s degree, or equivalent experience, is preferred.
• Strong proficiency in Microsoft Word, Excel, PowerPoint and Outlook, with experience using Concur, Ariba or similar business tools.
• Demonstrated ability to manage multiple priorities, adapt quickly and remain organized in a fast‑paced environment.
• Sound judgment and the ability to anticipate needs, solve problems and work effectively with minimal direction.
• Clear, professional communication skills and the ability to collaborate effectively with internal and external stakeholders.
• High level of discretion, professionalism and care when handling sensitive or confidential information.
• Ability to support colleagues and contribute positively to a collaborative administrative team.

Applicants must have a valid work authorization that does not now, or in the future, require visa sponsorship for employment in the United States (e.g., H-1B, F-1 CPT, F-1 OPT, TN).

We are a client-centric, relationship-based business. Working together, in-person, is foundational to how we achieve results. By fostering a culture of face‑to‑face collaboration, idea sharing, productivity and personal connection, we deliver for our stakeholders — clients, advisors, employees and…