Jobs › Northwestern Mutual

Public Investments Quantitative Analyst Intern, Summer 2027

Northwestern Mutual · Milwaukee, WI · Full time

Posted Aug 12, 2026 · We last checked this listing on Oct 6, 2026

Apply at Northwestern Mutual

Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a data project where you cleaned messy data. What problems did you find and how did you fix them?

What they are checking: Whether they have real hands-on experience with the unglamorous data work that most of this role involves.

Tell me about a time you explained a technical result to someone who wasn't technical.

What they are checking: Whether they can make their work useful to portfolio managers and credit analysts who aren't programmers.

Which language or tool are you strongest in, and what would you want to get better at this summer?

What they are checking: Whether they know their own skill level honestly and have a plan to grow during the internship.

What would you do

A portfolio manager asks you for a dashboard in Tableau or Streamlit. How do you figure out what they actually need?

What they are checking: Whether they ask about the decision the tool supports before they start building charts.

A trader tells you your tool's numbers don't match what they see on their screen. What do you do?

What they are checking: Whether they treat user pushback as a debugging lead and investigate calmly instead of defending their code.

If you had a free week here, what investment process would you try to improve with data?

What they are checking: Whether they show curiosity and initiative about the business, not just the technology.

About the work

What is duration, and why does a fixed income portfolio manager care so much about it?

What they are checking: Whether they understand the basic interest rate risk measure that drives a $130 billion bond portfolio.

Have you used dbt or written SQL models? How would you structure a model that joins bond prices to issuer data?

What they are checking: Whether they can think in clean, testable data layers instead of one giant query.

What kind of data quality tests would you write for a daily feed of bond prices?

What they are checking: Whether they can anticipate the stale, missing or extreme values that quietly break investment analysis.

How would you explain relative value between two corporate bonds to a classmate?

What they are checking: Whether they grasp that bonds are compared on spread and risk, not just yield.

Describe a machine learning model you've built. How did you know it wasn't overfitting?

What they are checking: Whether they understand validation well enough to avoid fooling themselves with a model that only fits history.

Practice this interview out loud.

Offer builds a real interview for this exact role at Northwestern Mutual from your resume and this job description, asks the questions one at a time, and tells you what landed. The first one is free.

Practice this out loud

The full job description

As published by Northwestern Mutual.

Public Investments – Quantitative Analyst Internship (undergraduate-level) Job Description Northwestern Mutual's Public Investment Department seeks a Quantitative Analyst Intern to join us for the summer of 2027 and play a pivotal role in building out tools and conducting analyses that help shape our investment processes. We manage over $130 billion in fixed income assets, and you will collaborate directly with Portfolio Managers, Traders, and Credit Analysts to develop cutting-edge solutions. Principal Responsibilities: You'll have the opportunity to leverage your unique strengths and interests within a flexible role that spans data, modeling, visualization, and applications. Your activities will center around driving investment performance through innovative improvements to our investment processes, such as relative value analysis, portfolio construction, trading tools, risk measurement, and more. • Build & maintain data models: Collaborate with data engineers to onboard new data sources, design and implement dbt SQL models for data cleaning and integration, and write robust data quality tests to ensure data integrity. • Develop interactive data visualizations: Create insightful dashboards and applications using Tableau and Streamlit to effectively communicate data and model outputs to the department’s investment professionals. • Design and implement machine learning models: Utilize machine learning and AI techniques to develop predictive models, optimize model parameters, research new signals, and deploy models into the Snowflake production environment. • Apply quantitative methods: Leverage quantitative methods such as portfolio optimization, Monte Carlo simulation, risk measurement, and backtesting to enhance various aspects of the investment process. • Collaborate effectively: Work closely with Portfolio Managers, Traders, and Credit Analysts to better identify attractive investment opportunities through efficient data delivery, advanced models, and intuitive dashboards. Job Requirements: • Progress towards a Bachelor’s degree in a quantitative field (e.g., Quantitative Finance, Computer/Data Science, Finance, Mathematics). • Strong development skills in languages such as SQL, Python, Streamlit, dbt, etc. • Excellent data manipulation and data visualization skills. • Experience with software development practices such as version control and CI/CD pipelines is preferred. • Experience using Bloomberg and BlackRock Aladdin is a plus. Interpersonal Skills • Passion for the art and science of investing. • Effective oral and written communication skills. • Demonstrated analytical and problem-solving ability. • High degree of self-motivation, passion, and a drive to learn. About the Internship Program Internship candidates can expect a fulltime onsite internship program, running from June 2027 to August 2027. Carefully selected from universities across the country, our interns bring distinctive ideas and perspectives to our organization. Our employees are passionate about building our emerging talent and future leaders. In addition to their day-to-day tasks, interns participate in professional development workshops, senior leadership Q&A's, volunteer initiatives, networking/social events, and more! About the Public Investment Department Northwestern Mutual’s Public Investments Department manages over $130 billion in investment grade and high yield fixed income assets backing NM’s General Account insurance products and retirement plan assets, and oversees about half of the company’s total General Account assets. The team actively manages these assets with a goal of generating long-run total returns in excess of benchmarks to drive policyholder value. This role will be within the Quantitative Research & Analytics team. Compensation Range: Pay Range - Start: $16.50 Pay Range - End: $30.00 We believe in fairness and transparency. It’s why we share the salary range for most of our roles. Internship salaries are determined based on academic tenure and major. The standard pay structure is listed. Build a strong career foundation with a best-in-class company that puts our clients' interests at the center of all we do. Get started now! Northwestern Mutual is an equal opportunity employer that welcomes talented individuals of all backgrounds. We are committed to creating and maintaining an environment in which each employee can contribute creative ideas, seek challenges, assume leadership and continue to focus on meeting and exceeding business and personal objectives.

Apply at Northwestern Mutual