Senior Administrative Assistant

Senior Administrative Assistant

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

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.

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).

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.

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.