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Mars UK • USA-Tennessee-Franklin | United States of America

Principal Scientist - Care & Treats

Employment type:  Full time
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Job Description

Job Description:

Principal Scientist – Care & Treats

As a Principal Scientist you will lead the R&D delivery of high stakes and complex projects for the Care & Treats (C&T) Technology Platform. Support R&D, Q&FS, SRA and TLT Functions providing technical leadership, extensive knowledge and technical expertise of scientific disciplines.

Reporting to the Senior Director C&T Category this position leads the deployment of transformational innovation projects. Lead VL, CT & Resilience challenging status quo initiatives. Engage in complex troubleshooting opportunities including site, NSQ and Q&FS challenges. Ignite a culture of knowledge-sharing and continuous technical growth by actively sharing your expertise and empowering fellow R&D Associates to excel.

What are we looking for?

  • Bachelor’s Degree (Minimum) in Food Science Technology, Engineering or Relative Field.

  • Minimum of 8 years of experience in similar role or industry.

  • Demonstrated knowledge of C&T process equipment, pet product performance and raw materials used in C&T Technology.

  • Experience in capturing & leveraging knowledge, as well as functional capability building for R&D.

  • Strong track record of driving results.

  • Ability to collaborate and influence without authority a variety of stakeholders.

What will your key responsibilities be?

  • Direct the R&D team on a high complexity technical projects (i.e. introduction of new technologies, deployment of transformational innovation, deployment and continuous improvement of technical standards, significantly novel raw materials, critical site troubleshooting, etc.).

  • Leads translations of technology ideas into visual, physical models & working prototypes in collaboration & alignment with AOE teams.

  • Provides extensive knowledge on C&T relevant food science principles & unit operations within manufacturing.

  • Shares technical expertise in test plan development, experimental setup, test execution and data analysis. Quantify key product attributes, process and packaging machine parameters and fundamental mechanisms at both pilot and factory scale.

  • Drives knowledge management & functional capability building for C&T R&D.

  • Collaborate with Supply-Engineering to assist in the management of scale-up risk and introduction of new technologies into the NA supply chain.

  • Scans and delivers IP opportunities in established space as well as greenfield opportunities.

  • Performs role of SPOC for NA technical inputs on TNT CAB needs.

What can you expect from Mars?

  • Work with diverse and talented Associates, all guided by the Five Principles.

  • Join a purpose driven company, where we’re striving to build the world we want tomorrow, today.

  • A strong focus on learning and development support from day one, including access to our in-house Mars University.

  • An industry competitive salary and benefits package, including company bonus.

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Company benefits

Open to part-time employees
Open to job sharing
Open to compressed hours
Sabbaticals
Enhanced maternity leave – 26 weeks at 90% pay
Enhanced paternity leave – 26 weeks at 90% pay
24 days annual leave + bank holidays
“Pawternity” leave
Pregnancy loss leave
Bank holiday swaps
Shared parental leave
Adoption leave
Family health insurance
Pregnancy support
Neonatal leave
Faith rooms
Meditation space
Dog friendly office
Dog friendly co-working space
Annual bonus
Employee discounts
Cinema discounts
Referral bonus
Joining bonus
Cycle to work scheme
Electric Car Salary Sacrifice
Enhanced pension match/contribution
Theme park discounts
Lunch and learns
In house training
Learning license
Studying sabbaticals
Open to part time work for some roles

Working at Mars UK

Company employees:

4,000 In the UK

Gender diversity (m:f):

57:43

Hiring in countries

Argentina

Australia

Austria

Belgium

Brazil

Canada

China

Czechia

Denmark

Egypt

Estonia

Finland

France

Awards & Accreditations

1st - Most Family Friendly Company

1st - Most Family Friendly Company

Flexa awards 2026
3rd - Best Workplace Benefits

3rd - Best Workplace Benefits

Flexa awards 2026
Most loved - Large companies

Top 5 - Most loved - Large companies

Flexa awards 2026
Best Work-Life Balance

Top 10 - Best Work-Life Balance

Flexa awards 2026
1st - Most Family Friendly Company

1st - Most Family Friendly Company

Flexa awards 2025
2nd – Pet Friendly

2nd – Pet Friendly

Flexa awards 2025
Most Flexible Company

Top 5 - Most Flexible Company

Flexa awards 2025
Most Inclusive Company

Top 5 - Most Inclusive Company

Flexa awards 2025
Best Work-Life Balance

Top 10 - Best Work-Life Balance

Flexa awards 2025
Best Career Progression

Top 10 - Best Career Progression

Flexa awards 2025
Best Workplace Culture

Best Workplace Culture

Flexa awards 2025
Best Workplace Benefits

Best Workplace Benefits

Flexa awards 2025
1st – Large companies

1st – Large companies

Flexa100 2024
Consumer Goods

Consumer Goods

Industry awards 2023
3rd – Large companies

3rd – Large companies

Flexa100 2023
Retail & Ecommerce

Retail & Ecommerce

Industry awards 2022

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