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

Principal Engineer - Packaging Development

Employment type:  Full time
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Job Description

Job Description:

Principal Engineer - Packaging Development

The Principal Engineer – Packaging Development is a strategic technical leader responsible for advancing future-ready packaging platforms and ensuring robust packaging material governance across the enterprise. This role leads the evaluation of emerging packaging materials and technologies, establishes technical readiness frameworks, leads digital packaging platforms and drives packaging innovation from concept through commercialization.

This role requires a unique blend of deep material science expertise, rigorous risk management, and commercial acumen. This role will translate emerging consumer demands and digital supply chain constraints into a robust, multi-year packaging roadmap that safeguards our products, delights our customers, and drives sustainable growth.

What are we looking for?

  • Minimum of a Bachelor’s in Packaging R&D, Material Science, Chemical or Mechanical Engineering, Food Science (or relevant field) paired with deep expertise in polymer properties, material science, and early-stage innovation pipeline processes.

  • Minimum of 8 years' experience in similar role (Pet industry preferred).

  • In-depth technical knowledge of emerging packaging technologies across all formats and technology platforms, rapid prototyping, and digital packaging capabilities.

  • Technical rigor in every activity

  • Strong track record of driving results, collaborating and influencing without authority a variety of stakeholders

What would your key responsibilities be?

  • Lead strategic packaging innovation framing aligned with enterprise growth platforms and emerging macro trends (e-commerce, digital supply chain, traceability).

  • Build enterprise-level packaging roadmaps and establish validation frameworks for novel packaging formats. Identify potential technical failure modes early in the innovation funnel and design mitigation protocols prior to scale-up.

  • Define, govern, and implement strategy for Packaging Quality Management global standard compliance around Packaging Risk Assessments (PRAs) across all packaging materials, impacting all category technologies, ensuring packaging materials meet food safety, quality, and regulatory requirements across all category technologies.

  • Lead digital Packaging strategy implementation aligned with Specification Systems and digital efficiency tools. Drive integration of packaging data, specifications, risk assessments, and technical requirements into enterprise digital platforms. Advance digital capabilities that improve packaging development efficiency, traceability, compliance management, and decision-making.

  • Primary packaging interface with Science & Technology (S&T) teams, translating breakthrough material science into scalable commercial applications, align regional requirements for Technical Readiness Levels (TRLs) for packaging innovation

  • Scout external technology developments, suppliers, and academic partnerships to build early-stage technical pipelines.

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.

#LI-BM1

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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

Bulgaria

Canada

China

Czechia

Denmark

Egypt

Estonia

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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