Senior Portfolio Manager 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 DescriptionThe Portfolio Management Assistant supports daily portfolio operations, trade-readiness, rebalancing activity, business development activities, issue resolution, and process improvement efforts. This role requires strong attention to detail, analytical problem-solving, effective communication, and the ability to work collaboratively with Portfolio Managers, internal operations teams, external business partners, and vendors in a fast-paced environment.How you'll spend your time...Execute daily portfolio validation and monitoring processes, including validation checks, automated reporting review, cash position tracking, and flow monitoring to ensure accurate portfolio operations.Identify and escalate portfolio issues requiring immediate attention to minimize operational risk and support timely resolution.Implement portfolio rebalance scheduling in preparation for trading activities.Support trading and rebalancing activity by raising orders in order management systems and acting as a second set of eyes for Portfolio Managers.Execute market orders and manage corporate actions to support accurate and efficient portfolio activity.Communicate with external business partners, vendors, internal operations teams, and counterparties to support smooth daily operations.Troubleshoot settlement issues, monitor partial fills, and coordinate follow-ups to resolve operational breaks.Drive process improvement and documentation initiatives by identifying automation opportunities, developing standard operating procedures, and maintaining process documentation to support business continuity.Review client proposals to ensure data integrity before sending to Distribution partners. To be successful in this role you will have...Ability to work effectively in a fast-paced, deadline-driven environment.Strong analytical and problem-solving skills with the ability to define problems, collect data, establish facts, and draw valid conclusions.Exceptional attention to detail and commitment to accuracy.Excellent written and verbal communication skills.Strong organizational skills with the ability to multi-task, prioritize, and follow through on deadlines.Task-oriented approach with a focus on follow-ups, accountability, and timely execution.Ability to build collaborative relationships across teams and business partners.Inquisitive mindset with a commitment to continuous learning and process improvement.Highly analytical professional with a degree in Mathematics or a related quantitative discipline, strong technical and programming skills, and the ability to apply data-driven solutions to complex business and operational challenges. It would be great if you also had...Financial services industry experience.Understanding of direct indexing, investment strategies, and market dynamics.Familiarity with portfolio optimization concepts.Intermediate to advanced Microsoft Office skills, including Excel, Word, PowerPoint, and Visio.Experience with process automation tools.Foundational knowledge of AI theory and practical automation use cases. U.S. Work Authorization & SponsorshipAppl