Health, Safety & Environment Manager

Job Description:

Job Opportunity: Health, Safety & Environmental Manager

Location: Milton Keynes, UK (Site-based)
Type: Full-time, Permanent

Salary: Up to £55k per annum plus bonus & benefits

We're looking for a Health, Safety & Environmental (HSE) Manager to play a critical leadership role in driving a world-class safety and environmental culture across our manufacturing site.

You'll act as the technical expert and trusted advisor to site leadership, embedding best-in-class Health, Safety, Environmental, Security, and Asset Conservation standards. From shaping strategy to leading audits and coaching teams on the shopfloor, you'll ensure compliance, reduce risk, and drive continuous improvement in a fast-paced pet food manufacturing environment.

This is a highly visible role, essential to protecting our people, our operations, and the environment-supporting the delivery of safe, sustainable, high-quality products that millions of pets rely on every day.

Key Responsibilities

• Lead and embed a world-class Health, Safety & Environmental (HSE) culture across the site
• Develop and implement site-wide HSE and sustainability strategies aligned to corporate standards
• Provide technical leadership and expert guidance to site leadership teams on safety, environmental, and compliance matters
• Maintain and continuously improve HSE management systems in line with ISO 14001 and ISO 45001
• Own site-wide risk assessment programmes and ensure robust control measures are in place
• Lead incident investigations, ensuring thorough root cause analysis and effective action plans
• Drive compliance with environmental legislation, permits, and schemes (e.g., emissions, waste, energy)
• Coach and engage teams at all levels to drive behavioural safety and continuous improvement
• Partner with engineering and project teams to ensure safe, compliant design and delivery of capital projects
• Act as key liaison with regulatory bodies and external stakeholders

About You

• NEBOSH General Certificate (or equivalent) and Environmental Management qualification (Level 3 or similar)
• Strong experience in a manufacturing or industrial environment
• Proven track record in leading HSE strategy, compliance, and cultural transformation
• Deep understanding of UK health, safety, and environmental legislation and standards
• Experience with management systems (ISO 14001 / ISO 45001) and audit processes
• Strong leadership skills with the ability to influence, coach, and engage across all levels
• Data-driven mindset with the ability to translate insight into action
• Visible and proactive presence on the shopfloor, leading by example
• Excellent communication and stakeholder management skills

What can you expect from Mars?

• Be part of a purpose-driven business: A Better World for Pets
• Play a key role in protecting people, communities, and the environment
• Work with diverse and talented Associates, guided by the Five Principles
• Join a company committed to building a safer, more sustainable future
• Access best-in-class learning and development from day one, including Mars University
• Competitive salary and benefits package, including company bonus

Mars is committed to providing access, equal opportunity, and reasonable adjustments for individuals with disabilities, long-term health conditions, or who are neurodiverse during the application and recruitment process. To request reasonable adjustments, complete our Reasonable Adjustment Request Form here .

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