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Mars UK • GBR-Somerset-Castle Cary | United Kingdom

Process Operator

Employment type:  Full time
Salary:  £29,400 – £31,200 per annum
Apply now

Job Description

Job Description:

📍 Castle Cary
💷 £29,400– £31,200 (including shift allowance, DOE)
🎁 + Performance Bonus & Exceptional Benefits

🕒 Weekly rotating shifts -Mon –Fri 37.5 Hours:

Week 1: 6am-2pm

Week 2: 2pm-10pm

Week 3: 10pm-6am

🌟 Why Join Us?

We care about the world and your future. Mars offers competitive compensation and benefits along with some great perks, like fun freebies and best-in-class development. As a Mars Associate, you have our ongoing commitment to your growth and development as you work across our world-famous brands. The world we want tomorrow starts with how we do business today, and we're here to support you every step of the way.

💼 The Role

This is a hands-on role ensuring raw materials and machinery are running smoothly to keep our production process efficient and safe. You’ll play a key part in quality, safety, and output while working across different shifts.

⭐ What’s in it for you?

  • Career growth opportunities with structured development & Mars University
  • Private healthcare + equal parental leave
  • Generous pension (up to 9% contribution)
  • Life assurance (4x salary)
  • EV salary sacrifice scheme
  • Gym membership & wellbeing support
  • Annual leave starting at 24 days, rising to 32 with service
  • Free perks on site: parking, Lavazza coffee, tea, fruit twice a week, and access to our employee shop

✅ What We’re Looking For

  • Good interpersonal and communication skills, able to work collaboratively with colleagues.
  • Ability to accurately update data via computerised systems
  • Health & Safety awareness: Strong understanding of H&S and quality standards
  • IT skills: Confident using Outlook, Word & Excel
  • Transport: Full driving licence + own transport
  • Personal skills: Self-motivated, detail-oriented, organised, and able to manage time effectively
  • Manufacturing experience: Previous experience working in a production/manufacturing environment desirable

🔧 Key Responsibilities

  • Maintain excellent processing line efficiency in line with the set plan and raise any identified issues
  • Operate & monitor machinery: Ensure efficient production runs and quality outputs
  • Handle materials: Prepare, load, and safely store raw materials
  • Support peers in achieving highest Safety, Quality and Efficiency standards throughout the site, and follow all safety procedures and help maintain a safe workplace
  • Ensure cleaning regimes are upheld and fulfilled to the highest standard
  • Record keeping: Maintain accurate production records and reports
  • Actively participate in operational processes that support the improvement of our business performance

🌍 What You Can Expect from Mars

  • Work alongside 130,000+ Associates worldwide guided by our Five Principles
  • Be part of a purpose-driven company shaping “the world we want tomorrow”
  • Access world-class training & development from day one
  • Join a company with an industry-leading salary and benefits package
Apply now

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
Neo-natal 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

Chile

China

Czechia

Denmark

Egypt

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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