HSEE Manager

Assystem is an international company with one mission: accelerate the energy transition around the world.



Every day, our 7,750 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy. We are a collective committed to making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition.



Drawing on more than 55 years' experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimize the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked second in the world for nuclear engineering. We aim to ensure a viable, efficient, and reliable energy future for all.

This role is integral to ensuring the successful delivery of HSEQ objectives across multiple high-profile nuclear and infrastructure projects. As the Interim HSEQ Manager, you’ll be responsible for embedding robust health, safety, environmental, and quality standards into project execution—ensuring compliance and driving continuous improvement.

⚙️ Key Responsibilities

📂 Oversee HSEQ management across complex nuclear and infrastructure projects

📑 Ensure project compliance with ISO 9001, ISO 14001, and ISO 45001 standards

🧪 Conduct project-specific risk assessments, audits, and incident investigations

💻 Drive the integration of digital HSEQ solutions into project workflows

🧭 Support regulatory engagement and ensure project teams align with industry standards

🔁 Implement lessons learned across projects to enhance safety and quality performance

🎯 Develop and refine HSEQ strategies to support project delivery milestones

🤝 Collaborate with project managers to embed best practices from planning through execution

✅ Essential Requirements

🏗️ Proven experience in HSEQ management within engineering, nuclear, or major infrastructure projects

🎓 NEBOSH Diploma or equivalent qualification

📋 ISO 9001/14001/45001 Certified Lead or Internal Auditor

📘 In-depth understanding of regulatory requirements in nuclear or highly regulated industries

📈 Proven track record of implementing HSEQ strategies across complex projects

🤝 Strong ability to interface with regulatory bodies and project stakeholders

🌟 Desirable

👷 Chartered or Graduate Member of IOSH (GradIOSH/CMIOSH)

🌍 Experience working in international nuclear or infrastructure projects

🧠 Background in engineering consultancy or major project management

📲 Ability to implement digitalisation strategies in HSEQ processes

🧑‍🏫 Strong leadership skills in project environments

🌍 Be Part of Something Bigger

This is an opportunity to play a critical role in the success of major nuclear and infrastructure projects. Join Assystem and help shape the future of clean energy with your expertise in HSEQ.

Why Join the Community of Switchers?

Join one of the top three largest nuclear engineering companies globally and be a part of a dynamic team driving energy transition. At Assystem, we offer a multicultural environment, career progression opportunities, and the chance to work on industry-leading projects that make a real difference in the world.

Due to the nature of work to be undertaken applicants will be required to meet certain residency criteria in order to attain a minimum level of UK security clearance.

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.