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Principal Scientist, R&D – Analytical Science

Kraft Heinz · Glenview, IL · $102,100–$127,600 a year · Full time

Posted Aug 4, 2025 · We last checked this listing on Oct 6, 2026

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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 root cause study you led that solved a real product problem.

What they are checking: Whether they have used analytical work to fix an issue in the field, not just describe it.

Tell me about working with a university or consortium. How did you make sure it delivered something useful?

What they are checking: Whether they can manage outside research so it answers business questions.

How do you explain a statistical result to plant or quality people who need to make a decision today?

What they are checking: Whether they can make complex analysis clear and actionable for non-specialists.

What would you do

A factory reports an off-flavor in one lot. How would you approach finding the cause?

What they are checking: Whether they plan a fast, structured investigation across ingredients, process and packaging.

How do you decide whether to buy a new instrument or software from a vendor?

What they are checking: Whether they judge new capability by business value and data quality, not by novelty.

Your data disagrees with what an experienced product developer believes. How do you handle it?

What they are checking: Whether they defend the evidence respectfully and look for what might explain the gap.

About the work

Walk me through how you would design a shelf-life study for a new sauce, including kinetics.

What they are checking: Whether they can design accelerated and real-time studies and model how quality changes over time.

How do you link chemistry data with sensory data to explain why consumers notice a change?

What they are checking: Whether they can connect instrument results to what people actually taste, which the posting names directly.

How have you used AI or advanced statistics to get insight from analytical data?

What they are checking: Whether they apply modern data tools with sound statistics and avoid overfitting or black-box answers.

How do you design an experiment when you have limited samples and time?

What they are checking: Whether they use design of experiments to get the most learning from few runs.

Practice this interview out loud.

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The full job description

As published by Kraft Heinz.

Job Description Principal Scientist, R&D – Analytical Science A BOUT This Principal Scientist position in the Food Engineering Division within Analytical Sciences is located at our Glenview, IL Kraft Heinz Innovation Center. This is an ideal opportunity for a scientist passionate about leading the design of experiments , root cause analysis studies, and kinetics studie s encompassing , but not limited to, product quality and shelf-life testing . This position will also serve as the SME for analytical ( example: linking chemistry and sensory) data processing, analysis and modelling to elucidate key business insights by leveraging advanced data application software , AI technology and statistical principles for R&D and field-to-shelf business decisions . The position emphasizes cross-functional holistic problem solving with R&D , Product Development, Quality, Operations and Factory personnel to identify needs and develop competitive-edge capabilitie s advancing KH agenda for a wide range of leading food products. RELATIONSHIPS (EXTERNAL AND INTERNAL): • Will collaborate with internal clients including R&D, Product Development, Quality, Operations and Factory personnel. • Will collaborate and represent K H well when working with external professionals from accredited consortiums and universities • Will interact with instrument and software vendors, ingredient suppliers , co-manufacturing facilities and external lab partners . QUALIFICATION REQUIREMENTS: • Highly skilled in design of experiment for complex food systems using techniques like Full Factorial, Fractional Factorial and Response Surface Methodolog ies . • Apply statistical models with examples like Minitab, SAS, R , Python and MATLAB to food kinetic data to predict changes in quality and optimize processes • Deep knowledge around the fundamentals of kinetics such as substance structure-function , food matrix mechanisms and rates of reactions in the areas of enzymatic browning, lipid oxidation , discoloration , fermentation and others . • Process and interpret data for R&D and cross-functional projects effectively using approaches such as PCA, PLS and regression tree • Translate complex data or large data set into effective data visualization and presentation using Tableau or other data visualization tools to deliver business insights to peers, senior leaders and stakeholders. • D emonstrate advanced analytical skills and hands-on experience using cutting-edge instrumentations such GC-MS and LC-MS . This involves expertise in the entire workflow, from sample preparation and data acquisition to processing, statistical analysis, and compound characterization in complex food systems. • Apply analytical science knowledge and experience in both hypothesis validation (targeted) and discovery-driven analysis (untargeted). • Preferred qualifications include: the experience to integrate multidisciplinary data such as microbiology, chemistry, physics , sensory, o-mics (metabolomics, glycomics , proteomics, and lip i domics ) to draw big picture conclusions critical to elevate R&D working knowledge of food manufacturing and packaging • Demonstrate critical thinking skills • Communicate effectively and openly while working in a cross-functional team • Must be a self-starter and resourceful • Must be organized, process orientated • Independently and collaboratively executing innovation, cost saving, process and product improvements throughout KH portfolio. • Identifying opportunities for competitive market advantage, which could include AI technologies, new cost saving solutions or process enhancements. • Provid e consultation and technical oversight to ensure that an appropriate level of technical knowledge and discipline are being applied and utilized . • The successful candidate will direct ly or indirectly supervise technical professionals in assigned areas, while maintaining responsibility for own projects. • The candidate will have significant impact on direction and quality of work done by other senior technical people. Education and Experience: • BS, MS or PhD degree in science, engineering and related fields with substantial years of applied industrial experience. • Excellent organizational, interpersonal & project management skills. • Excellent written and verbal communication skills. • TRAVEL: 0-20% Our Total Rewards philosophy is to provide a meaningful and flexible spectrum of programs that equitably support our diverse workforce and their families and complement Kraft Heinz’ strategy and values. New Hire Base Salary Range: $102,100.00 - $127,600.00 Bonus: This position is eligible for a performance-based bonus as provided by the plan terms and governing documents. The compensation offered will take into account internal equity and may vary depending on the candidate's geographic region, job-related knowledge, skills, and experience among other factors Benefits: Coverage for employees (and their eligible dependents) through affordable access to healthcare, protection, and saving for the future, we offer plans tailored to meet you and your family’s needs. Coverage for benefits will be in accordance with the terms and conditions of the applicable plans and associated governing plan documents. Wellbeing: We offer events, resources, and learning opportunities that inspire a physical, social, emotional, and financial well-being lifestyle for our employees and their families. You’ll be able to participate in a variety of benefits and wellbeing programs that may vary by role, country, region, union status, and other employment status factors, for example: • Physical - Medical, Prescription Drug, Dental, Vision, Screenings/Assessments • Social - Paid Time Off, Company Holidays, Leave of Absence, Flexible Work Arrangements, Recognition, Training • Emotional – Employee Assistance Program , Wellbeing Programs, Family Support Programs • Financial – 401k, Life, Accidental Death & Dismemberment, Disability Location(s) Glenview R&D Center Kraft Heinz is an Equal Opportunity Employer – Underrepresented Ethnic Minority Groups/Women/Veterans/Individuals with Disabilities/Sexual Orientation/Gender Identity and other protected classes. In order to ensure reasonable accommodation for protected individuals, applicants that require accommodation in the job application process may contact NAZTAOps@kraftheinz.com for assistance.

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