Job Description:
Health, Safety Environment (HSE) Manager
Location: Plymouth, UK, with full-time on-site
Salary: £63,000 - £74,000(depending on knowledge experience), annual bonus, benefits, car allowance
Lead the Cultural Shift. Protect Our People. Shape the Future.
At Mars, safety is not a priority — it is a value. And we firmly believe thatevery accident is preventable.
We are looking for an inspiringHealth, Safety Environment Manager to join our Plymouth leadership team and lead a step-change in how safety and environmental excellence are embedded into our culture. This is not just a technical HSE role - it is a people leadership role focused on influencing mindsets, driving ownership, and ensuring safety is lived every day by every Associate.
As a key member of the Site Leadership Team, you will shape and deliver the site’s HSE strategy, champion Mars Supply Excellence (MSE) Safety Pillar deployment, and build a culture where speaking up, accountability, and proactive risk management are the norm.
What would be your key responsibilities?
Cultural Leadership Engagement:
- Lead a visible cultural shift aligned with the belief thatevery accident is preventable
- Coach and challenge leaders at all levels to role model the right safety behaviours
- Create an engaging HSE culture that energises Associates and strengthens accountability
- Partner with operations, engineering and technical teams to embed safety into daily routines
Strategy Governance:
- Develop and deploy the site HSE strategy and roadmap aligned with corporate and regulatory standards
- Own and continuously improve the sites Integrated Occupational Health, Safety Environment Management System
- Maintain compliance with ISO45001 and ISO14001:2015
- Lead the Mars Supply Excellence Safety Pillar at the site level
Risk Management Assurance:
- Define, coordinate and maintain HSE risk assessments and emergency procedures
- Ensure robust serious incident investigations and sustainable corrective actions
- Lead site audit programmes and ensure timely closure of actions
- Act as primary contact for external advisory bodies, regulators, and insurers
Capability Building Sustainability:
- Deliver training and coaching that strengthens HSE knowledge and ownership across the site
- Analyse and communicate HSE data and trends to drive proactive improvement
- Drive continuous improvement initiatives that enhance safety and environmental performance
- Lead site security policy and asset conservation improvements
What are we looking for?
A People-First Leader:
- Proven ability to inspire, coach and influence in a manufacturing environment
- Strong communication skills with the confidence to challenge constructively
- Collaborative approach - able to work through others and build strong relationships at all levels
- Demonstrated ability to drive behavioural change, not just process compliance
Technical Expertise:
- Degree, HND or HNC in Science, Mechanical or Electrical Engineering (or equivalent)
- NEBOSH Certificate/Diploma (essential); IEMA or MSc/PGC in Occupational Health Safety desirable
- Strong knowledge of UK and European HSE legislation
- Experience maintaining or leading safety/environmental management systems in manufacturing
Results-Driven Strategic:
- Logical, independent thinker who can prioritise effectively
- Track record of delivering results through teams
- Comfortable balancing strategic direction with operational execution
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 a 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 Formhere
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