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 that every accident is preventable.

We are looking for an inspiring Health, 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 that every 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 site's 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 Form here

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