Jobs › Diageo

Liquid Commercialization Technical Development

Diageo · Plainfield, IL · Full time

Posted Sep 9, 2026 · 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 lab or project experience where your results surprised you. What did you do?

What they are checking: Whether they investigate unexpected results honestly and learn from them.

Tell me about a time you kept a project on schedule with several people depending on you.

What they are checking: Whether they can manage timelines in a commercialization process with many handoffs.

How would you make the most of a 12-month contract program?

What they are checking: Whether they will learn fast and build the relationships that lead to a full-time offer.

What would you do

A trial batch tastes slightly different from the lab sample. How would you figure out why?

What they are checking: Whether they look at ingredient lots, mixing, temperature and timing in an orderly way.

How would you work with marketing if they want a flavor change late in a project?

What they are checking: Whether they can explain technical and timeline impacts without just saying no.

About the work

What do you think commercializing a new liquid involves, from recipe to the bottle on the shelf?

What they are checking: Whether they grasp the steps of scale-up, specs, trials and handover to production.

How would you plan a first production trial of a new flavored spirit?

What they are checking: Whether they think about batch size, sampling, quality checks and what success looks like.

How would you write a clear specification for a new liquid so the plant can make it right every time?

What they are checking: Whether they understand that clear specs and tolerances keep a product consistent across batches.

Why do labeling and regulatory rules matter when a new liquid launches?

What they are checking: Whether they know alcohol products face rules on ingredients, proof and labeling.

How do you keep careful records during experiments?

What they are checking: Whether they document well, since good records make results repeatable and traceable.

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The full job description

As published by Diageo.

Job Description : Liquid Commercialization Specialist (TDT) Please note that this is a 12 month Contract position that will offer full time hours and an opportunity to join Diageo upon completion in a Full Time position. A nticipated start date will be July 2027. About Us: With over 200 brands sold in nearly 180 countries, we’re the world’s leading premium drinks company. Bring your passion and use your curiosity as you explore, collaborate, and innovate to build brands consumers love. Together with passionate people from all over the world, you’ll test new ideas, learn and grow, and unlock a brighter, more exciting future. Join us to build a career worth celebrating. Which company will you join? From Arthur Guinness to Johnnie Walker, our business was founded on people of outstanding character, and in 250 years, nothing has changed. We’re the world’s leading premium alcohol company! Our brands are industry icons including Johnnie Walker, Crown Royal, Bulleit and Buchanan's whiskies, Smirnoff, Cîroc and Ketel One vodkas, Captain Morgan, Baileys, Don Julio, Tanqueray and Guinness. Our success is thanks to the strength of our people, in every role. It’s why we trust them with our legacy and why we reward them with the career-defining opportunities that they deserve. Our ambition is to build the best performing, most trusted and respected Consumer Products Company in the world. To achieve these, we need the very best people! At Diageo, our purpose is to celebrate life everywhere, every day. To do that, you will join an organization that is passionate about customers and consumers, and proud of what they do. Diageo teams constantly set high goals and then try hard to exceed them. We are also an incredibly diverse organization, and we value each and every one’s talent and personality. Duties As a member of the Technical Development Program (TDT), you will get first-hand experience with our work, our people, our values, and our culture. TDT contractors are given real responsibilities and challenges with projects that have an immediate impact on the business. Throughout the year, you are given multiple opportunities to interact with senior management through both their project work as well as informative and cultural events. All contractors also receive individual coaching and training from their immediate manager and cross-functional mentor. You will be encouraged to perform to our high standards and are given the same kind of performance feedback we give our full-time employees. • Lead liquid work from concept to commercialization (liquid ideation through to scale-up) for innovations, renovations, and optimizations • Complete laboratory batching and scale-up trials to support the liquid team during the commercialization process • Own the production of trial batches and sales samples in the Commercialization Lab (the BTC’s Pilot Plant), ensuring product is delivered on time and with outstanding quality. • Generate new liquid and raw material specifications, managing and inputting data into SAP Skills • Strong interpersonal/communication skills • Strong problem-solving skills and ability to gather and analyze data • Proven ability to work independently and drive projects to conclusion • Confidence, adaptability, and resiliency in challenging situations and a fast-paced environment • Must be of legal drinking age by start of employment Education • At least two years of coursework towards a Bachelors degree in Food Science , Chemical Engineering, Ag/Bio Engineering, Biochemistry, or other relevant degree Flexible Working Statement: Flexibility is key to our success. Talk to us about what flexibility means to you so that you’re supported to manage your wellbeing and balance your priorities from day one. Rewards & Benefits Statement: We recognise and value performance, offering our people a highly competitive Rewards and Benefits package. Diversity statement: Our purpose is to celebrate life, every day, everywhere. And creating an inclusive culture, where everyone feels valued and that they can belong, is a crucial part of this. We embrace diversity in the broadest possible sense. This means that you’ll be welcomed and celebrated for who you are just by being you. You’ll be part of and help build and champion an inclusive culture that celebrates people of different gender, ethnicity, ability, age, sexual orientation, social class, educational backgrounds, experiences, and more. Our ambition is to create the best performing, most trusted and respected consumer products companies in the world. Join us and help transform our business as we take our brands to the next level and build new ones as part of shaping the next generation of celebrations for consumers around the world. Feel inspired? Then this may be the opportunity for you. If you require a reasonable adjustment, please ensure that you capture this information when you submit your application. Worker Type : Regular Primary Location: Plainfield Tech Centre Additional Locations : Job Posting Start Date : 2026-08-31

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