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Mars

Health Safety & Environment (HSE) Technician

Location:  GBR-Buckinghamshire-Milton Keynes | United Kingdom
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:

We are looking for a proactive and detail-oriented HSE Technician to support the delivery of Health, Safety and Environmental standards across site operations. This role will work closely with leaders and Associates to promote a positive safety culture, maintain compliance with HSE management systems, support risk and incident management activities, and contribute to continuous improvement initiatives that enhance site safety, environmental performance and operational compliance.

What are we looking for?

  • Understanding of Health, Safety & Environment principles and compliance requirements.
  • Strong organisational and communication skills with the ability to engage effectively with Associates and leaders.
  • Ability to maintain accurate documentation, records and reporting trackers.
  • Proactive approach to problem-solving and continuous improvement initiatives.

Desirables:

  • Experience working with ISO45001 and ISO14001 standards.
  • Previous experience in a manufacturing, FMCG or industrial environment.
  • Knowledge of incident investigation and risk assessment processes.

What will be your key responsibilities?

  • Support the promotion and embedding of a positive safety culture across site.
  • Maintain HSE systems, documentation, compliance records and improvement plans.
  • Assist with risk assessments, audits, inspections and incident investigations.
  • Evaluates and maintains the effectiveness of safety management systems (ISO 45001, MSE Safety Pillar), site procedures, processes, programs and behaviours (through audit and other means), and delivers continuous improvement actions to address any gaps.
  • Develops, facilitates or delivers safety training to produce acceptable safety competencies for our key hazard and impact groups.

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.
  • Best-in-class 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

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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Company employees:

4,000 In the UK

Gender diversity (m:f):

57:43

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