Jul 14, 2026

Quantitative Analyst - Custom Income Strategies (CIS)

Apply Now →
About the position The Quantitative Investment Analyst reports to the Director of the Custom Income Strategies (CIS) team and assists portfolio managers on the team in day-to-day portfolio management. CIS is an investment team within Loomis Sayles & Company that is dedicated to managing complex, customized fixed income mandates across insurance, pensions, and retail. The team is based in Boston, MA and is comprised of 9 individuals including the director of CIS, one portfolio manager, two associate portfolio managers, one strategist, one senior analyst, one associate and two investment directors. Responsibilities • Work as an integral member of the CIS team on portfolio management tasks • Employ and enhance existing, proprietary portfolio construction tool to create model portfolios in close collaboration with portfolio managers and strategists across investment teams • Assist Portfolio Managers in day-to-day management, trade generation, risk monitoring of custom portfolios • Help to monitor and run risk/attribution analysis on accounts and assist with the preparation of materials for various internal and external meetings • Carry out special projects on an as-needed basis • Enhance or customize data reports used in portfolio management process • Contribute to achieving team’s objective of delivering high quality work in a collegial work environment Requirements • BS or MS in Computer Science, Engineering, Quantitative Finance, Financial Engineering or degree in a quantitatively driven and technical field • 4-6 years of work experience in fixed income with particular focus on portfolio construction via optimization, quantitative relative value, and risk management. • Strong interest in financial markets and investment management industry • Strong technical, problem solving and programming skills are required. • High proficiency in Python, SQL, VBA, Excel required • Excellent communication skills • Self driven, highly accountable, resourceful and independent thinker; Curious and entrepreneurial mindset • Strategic thinker who can prioritize multiple projects • High integrity, growth mindset, and a team player Nice-to-haves • Asset allocation experience, a plus Benefits • Medical, dental, and supplemental health plans • Retirement Savings • Paid Time Off • Company-Provided Leave Benefits • Life and Disability Insurance • Work/Life and Wellness Resources • Locally Relevant Perks and Programs