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Mars

Sr. Associate Scientist - NA Lab

Location:  USA-Tennessee-Thompsons Station | United States of America
Location flexibility:  1 office day / week, 2 office days / week, 3 office days / week, 4 office days / week
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Job Description

Job Description:

Job Summary/Purpose: This Senior Associate Scientist role plays an important role in supporting, planning, and executing laboratory projects to support regional and global R&D teams. This role will be responsible for conducting physical and chemical analyses on raw materials and finished products with emphasis on front end innovation, ingredient characterization, site investigations, and product performance/competitiveness. The primary scope of this role is to execute analytical testing and communicate scientific insights, and conduct technical consultations in support of PNNA and Global R&D stakeholders. The Sr Associate Scientist will collaborate with large cross functional teams within the R&D function to achieve strategic objectives.

What are we looking for?


Minimum Experience: 2-4 years’ experience in a laboratory setting with functional/physical characterization of raw materials, in-process products, protein knowledge, or finished goods in food or related industries (advanced education may partially substitute for required experience).

  • Proven laboratory methodology capabilities and/or familiarity with a wide range of food analysis methodologies, including but not limited to flavor/aroma characterization (GC-MS, LC-MS, GC-O), material characterization (DSC, TGA, FT-IR, etc.), rheology/flowability, and product characterization (texture, color, in-vitro digestibility)
  • Excellent practical laboratory skills, including the ability to troubleshoot and maintain complex analytical instrumentation.
  • Demonstrated ability to follow established laboratory safety procedures, maintain accurate records, and clearly and accurately read, write, and interpret data.
  • Demonstrated and proven written and verbal communication skills.


Preferred Experience: 4 - 6 years’ experience with functional/physical characterization of raw materials, in-process products, or finished goods in food or related industries (advanced education may partially substitute for required experience).

  • Familiarity with shelf-life testing protocols a plus

What will be your key responsibilities?

  • Perform analytics on raw ingredients and finished products to determine physical and chemical characteristics and behaviors. The methods that this Sr Associate Scientist would perform may include LC-MS, GC-MS, Aroma Profiling, UV-Vis spectroscopy, Flowability and Rheology methodology, and material characterization tools such as Optical Particle Distribution, Differential Scanning Calorimetry, TGA, DVS, Texture, and Organoleptic/Sensory observations etc.
  • Record or compile test results or prepare graphs, charts, or reports using electronic lab notebook (ELN) and clearly present experimental results to R&D stakeholders.
  • Consulting with R&D scientists, engineers, and technical partners and delivering on strategic project requests. This role will frequently interface with other R&D associates to present findings, design test protocols, report data, clarify results, contribute to experimental designs, and recommend future direction for broader R&D.
  • Lead or support the development, validation, and implementation of new analytical methods to address emerging technical and business 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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Working at Mars

Hybrid

Core hours 11–3

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
Menopause support
On-site gym
On-site barista
Secure on-site parking
On-site catering
Private booths
On-site wellness room
Collaboration spaces

Awards & Accreditations

1st - Most Family Friendly Company

1st - Most Family Friendly Company

Flexa awards 2026
3rd - Best Workplace Benefits

3rd - Best Workplace Benefits

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Most loved - Large companies

Top 5 - Most loved - Large companies

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Best Work-Life Balance

Top 10 - Best Work-Life Balance

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1st - Most Family Friendly Company

1st - Most Family Friendly Company

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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

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Best Career Progression

Top 10 - Best Career Progression

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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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Company employees:

4,000 In the UK

Gender diversity (m:f):

57:43

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