Senior Administrative Assistant

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 RiverSource Insurance and Annuities.

Job Description

Columbia Threadneedle Investments is seeking a proactive and highly organized Senior Administrative Assistant to support senior leaders and drive day-to-day efficiency. In this role, you’ll manage complex calendars, coordinate meetings and events, and handle communications on behalf of leadership. You’ll also oversee travel, expenses, presentations, and department initiatives—including town halls, offsites, and special projects. This position requires strong judgment, discretion, and the ability to prioritize effectively in a fast-paced environment while acting as a trusted partner to leadership.

Key Responsibilities 

• Proactively manage executive calendars, prioritize meetings, and coordinate schedules across internal and external stakeholders 

• Plan and organize meetings, conferences, and events (logistics, materials, travel, etc.) 

• Review and respond to emails on behalf of leaders as appropriate, and flag items requiring follow-up 

• Prepare expense reports, invoices, presentations, communications, and travel arrangements 

• Support department operations, including programs like recognition, timekeeping, budgets, and supply management 

• Coordinate team offsites, events, and special initiatives 

• Provide project and program support (researching questions, coordinating efforts, handling ad hoc requests) 

• Mentor or onboard administrative team members; may provide guidance or leadership to others 

• Provide back-up support for other administrative assistants as needed 

 Required Qualifications 

• ​High school diploma or GED 

• 1–3+ years of administrative or executive support experience 

• Strong proficiency with Microsoft Office (Word, Excel, PowerPoint) and tools like Outlook, Concur, Ariba, etc. 

• Ability to manage multiple priorities, adapt quickly, and stay organized in a fast-paced environment 

• Strong judgment and ability to anticipate needs with minimal direction 

• High level of discretion and professionalism when handling sensitive information 

Preferred Qualifications

• Associate’s or Bachelor’s degree (or equivalent experience) 

• Experience supporting senior leaders or working in a corporate environment 

In-Office Collaboration

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 shareholders. Our employees work in the office at least four (4) days per week, with flexibility to work from home one (1) day per week. Some roles may require additional in-office time or different in-office expectations, and specific requirements will be discussed during the hiring process.

Visa Sponsorship

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).

Base Pay Salary

The estimated hourly rate for this role is $30.10 - $41.35 / hour. We have a pay-for-performance compensation philosophy. Your initial total compensation may vary based on job-related knowledge, skills, experience, and geographical work location. In addition, most of our roles are eligible for variable pay in the form of bonus, commissions, and/or long-term incentives depending on the role. We also have a competitive and comprehensive benefits program that supports all aspects of your health and well-being, including but not limited to vacation time, sick time, 401(k), and health, dental and life insurances.Full timeNon-ExemptBusiness Support & OperationsAMINV US Asset Management

Columbia Threadneedle is a people business, and we recognise that our success is due to our talented people, who bring diversity of thought, complementary skills and capabilities. We are committed to fostering an inclusive and performance-based culture where everyone can belong, grow, contribute and realise their potential.

Columbia Threadneedle is an equal opportunity employer. We consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, gender expression, national origin, ancestry, age, physical or mental disability, medical condition, pregnancy, military status, veteran status, genetic information, citizenship, disability status, marital status, family status or any other basis prohibited by law.

We are committed to fostering an inclusive and accessible recruitment process for individuals with disabilities. If you require a reasonable accommodation to participate in the application or interview process, speak to your recruiter to discuss how we can support you.