Middlesex Ltd
Senior Health & Safety Manager
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Location: Hybrid: 80-90% on site (primarily London) / 10-20% at head office Head Office: Bourne End, Buckinghamshire SL8 5AS Full Time: FTE/Contract options available
About the Role
We are looking for an experienced, proactive Senior Health & Safety Manager to maintain our excellent H&S standards and continue driving improvement in H&S performance across multiple projects and Middlesex business divisions.
This is a highly visible, operational role rather than an office-based compliance position. The successful candidate will spend approximately 80–90% of their time on site, working directly with project teams to identify risks and ensure improvements are implemented and sustained. A key part of the role will also be supporting and developing junior members of the HSE team, helping to build their confidence, technical knowledge, and professional judgement.
This role would suit someone who enjoys being out on site, working closely with operational teams and seeing improvements delivered in practice.
You'll Be Responsible For
- Providing visible H&S leadership across multiple construction projects and supporting teams to maintain consistently high standards.
- Mentoring and developing junior members of the HSE team, supporting their technical knowledge, confidence, and professional development.
- Leading site inspections, targeted interventions, and improvement initiatives, identifying emerging risks and recurring issues before they result in incidents.
- Supporting project teams with practical and proportionate risk controls, particularly around higher-risk activities, and challenging standards where necessary.
- Coaching managers and supervisors to take ownership of health and safety within their teams and projects.
- Leading or supporting incident investigations, ensuring lessons learned are communicated and shared across the business.
- Using performance data and site intelligence to identify trends and target areas where improvement is required.
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Skills & Experience Required
- Substantial health and safety experience within the construction industry.
- Experience operating in a senior project or multi-project H&S role.
- A proven ability to improve site performance and positively influence operational leaders.
- Strong knowledge of UK health and safety legislation and construction risk management.
- Experience working with ISO 45001 and ISO 14001 management systems.
- Strong leadership, communication, and relationship-building skills.
- Experience mentoring and developing junior HSE professionals.
- Confidence working directly with site teams and challenging standards constructively where required.
- A proactive, practical, and solutions-focused approach.
- A genuine passion for improving health and safety standards and developing others.
Qualifications Required
- Level 6 health and safety qualification, NEBOSH Diploma or equivalent.
- Appropriate CSCS card.
- Full UK driving licence.
What Middlesex Offers You
- Competitive salary and benefits package (25 days holiday, pension etc.).
- Clear career progression and ongoing training, CPD and professional development.
- Opportunities to work on high-profile projects across multiple sectors.
- A collaborative and supportive culture where people work hard, deliver high standards, and enjoy what they do.
- A forward-thinking environment within a growing UK business.
- The opportunity to contribute to landmark projects alongside experienced industry professionals.
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Our Values
We are Driven by Design. Defined by Quality.
Quality First
We take pride in delivering work to the highest standards. Attention to detail, technical excellence and getting it right first time are at the heart of every project we undertake.
Design-Led Delivery
We believe the best outcomes are achieved through early collaboration. By combining in-house design, planning and operational expertise, we solve problems before they reach site, reduce risk and help our clients deliver projects more efficiently.
Safety Always
Nothing is more important than the wellbeing of our people. Health and safety isn't simply about compliance - it's embedded in our planning, decision-making and day-to-day operations to ensure everyone goes home safely.
If you are an experienced Health & Safety professional who enjoys being out on site, working closely with operational teams and seeing improvements delivered in practice, we would love to hear from you.
We are proud to be an equal opportunities employer. We believe that diverse perspectives make us stronger, and we recruit based on talent, potential and a shared commitment to our values.
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