Jobs › IFF

Process Engineering Intern

IFF · Beloit, WI · Full time

Posted Sep 30, 2026 · We last checked this listing on Oct 6, 2026

Apply at IFF

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 project where you used data to improve a process.

What they are checking: Whether they have real problem-solving experience they can bring to plant projects.

Tell me about a time you worked with people who had more experience than you.

What they are checking: Whether they can learn from experienced engineers and operators while adding value.

Which of IFF's values, like integrity or innovation, matters most to you, and why?

What they are checking: Whether they connect personally with the values the posting asks interns to follow.

What would you do

IFF makes food ingredients. How might food safety rules affect a process change?

What they are checking: Whether they understand that changes in food plants must protect safety and quality.

An operator tells you your idea won't work on the floor. How do you respond?

What they are checking: Whether they listen to operators and treat their input as valuable.

About the work

What do you know about Six Sigma, and how would you use DMAIC on a manufacturing problem?

What they are checking: Whether they understand the method this internship uses for project work.

How would you find the bottleneck in a production line?

What they are checking: Whether they can analyze flow and find where capacity is limited.

How would you approach a capital project you were assigned, like adding new equipment?

What they are checking: Whether they can think about cost, timeline and safety for a capital project.

Which tools have you used, like Excel, Minitab, MATLAB or AutoCAD?

What they are checking: Whether they bring skills that help with analysis and design work.

How would you present your project results at the end of the summer?

What they are checking: Whether they can share findings clearly with business leaders.

Practice this interview out loud.

Offer builds a real interview for this exact role at IFF 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 IFF.

Job Summary IFF is offering rewarding internship experiences to bright, talented, business-minded student leaders within our Manufacturing Technology organization in the Summer of 2027. We have a variety of meaningful assignments that allow students to gain valuable experience in the manufacturing environment. The assignments provide students with opportunities to develop by integrating classroom theory with practical work and to demonstrate their skills for future career opportunities at IFF. In Manufacturing Technology, you will have opportunities to do the following: • Work in a dynamic, team environment that leverages the resources of our large organization. • Develop an understanding of the manufacturing technology environment through execution of capital and process related projects. • Participate in the internship program and work-specific training and development. • Perform analytical project work using Six Sigma methodology. • Work with experienced manufacturing technology professionals in the performance of your responsibilities. • Develop an understanding of IFF Business Units and Operations, our product offerings and how materials and service requirements and issues are managed. • Adopt and follow IFF's core values of empowerment, expertise, integrity, innovation, and responsibility both on a personal and business level. • Work in a business casual environment with flexible work/life opportunities. The scope of the intern's role will vary dependent on the manufacturing technology site. Internships are 10-12 weeks. Job Qualifications The following requirements MUST be met for consideration in this student employment program: • Currently enrolled as a full-time student at an accredited college or university. • Enrolled in an ABET accredited program in Chemical/Biochemical Engineering. • Have the right to work in the U.S. without restriction. Preferred Attribute: 3.0 GPA or Higher. In addition to these requirements, we are seeking candidates who have demonstrated the following core competencies: • Outstanding problem-solving, analytical and interpersonal skills. • Excellent writing/verbal communication and presentation skills. • Accomplished computer skills including Microsoft Office applications and database experience. • Strong work ethic and the ability to work in cross-functional teams to deliver concrete project deliverables in a timely manner. LOCATION This role will be located at our Beloit, WI facility. We are a global leader in taste, scent, and nutrition, offering our customers a broader range of natural solutions and accelerating our growth strategy. At IFF, we believe that your uniqueness unleashes our potential. We value the diverse mosaic of the ethnicity, national origin, race, age, sex, or veteran status. We strive for an inclusive workplace that allows each of our colleagues to bring their authentic self to work regardless of their religion, gender identity & expression, sexual orientation, or disability. Visit IFF.com/careers/workplace-diversity-and-inclusion to learn more

Apply at IFF

More process engineering intern roles