Package Manager Mechanical & Piping Engineering

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



Every day, our 8,000 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 the actors who are 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.



To ensure a viable, efficient, and reliable energy future for all.

Able to review and critique the JDR programme decommissioning strategy using extensive industry knowledge, experience, and lessons learned from previous decommissioning programmes.

🧭 Provide guidance and advice on the JDR decommissioning strategy, including the phasing and priorities afforded to projects within the decommissioning programme.

🎯 Evaluate and advise on critical decisions that secure the benefits the decommissioning programme is tasked to deliver.

🤝 Reach back to other team members in the parent organisation to seek lessons learned and advice as required.

📋 Accountable for ensuring appropriate technical processes and operating procedures are developed, followed, and formally implemented by the business.

🛠️ Develop detailed plans for the decommissioning of mechanical and piping systems, ensuring minimal disruption to surrounding works and operations.

🏗️ Conduct site assessments to identify mechanical and piping assets requiring removal or isolation.

📅 Coordinate with stakeholders to establish decommissioning schedules, working with waste, logistics, and other site interfaces.

⚠️ Perform risk assessments and implement mitigation measures to prevent associated hazards.

💧 Oversee fluid drainage, flushing, and isolation activities.

💡 Provide expert advice to resolve obstacles to delivery of mechanical and piping decommissioning packages by identifying and employing creative solutions, appropriate techniques, and proven procedures based on previous project experience.

🔧 Manage, supervise, or assist with the disconnection, removal, and disposal of mechanical and piping equipment.

👷 Work closely with contractors, demolition teams, and facility managers to ensure seamless execution of scheduled work.

📝 Document system status before and after decommissioning, including mechanical and piping drawings and reports.

✅ Conduct final inspections to confirm the safe decommissioning of mechanical and piping systems.

🔍 Confirm pressure systems are left in a safe condition.

📡 Update the isolations register and communicate updates with site personnel.

♻️ Ensure proper handling, recycling, or disposal of mechanical and piping materials and hazardous waste.

🔄 Identify opportunities for reusing or repurposing mechanical and piping components.

🌐 Engage with programme stakeholders and suppliers to build and maintain positive relationships, establish and document requirements, define interfaces, manage expectations, and engage effectively with staff. Defer to the Decommissioning Lead Engineer and/or Engineering Integration Manager to resolve issues of the highest level of impact.

📊 Perform analysis and produce technical reports, presentations, and papers focused on communicating strategy, plans, options, progress, and risks within the programme team or to stakeholders.

🎓 Deliver technical training in one-to-one sessions and proactively transfer knowledge to develop others through coaching, mentoring, or other appropriate approaches.

👥 Supervise other staff in routine and specialised activities, as applicable.

🌍 Provide advice and guidance to other project teams as required.

⚙️ Essential:

🎓 Recognised degree in Mechanical Engineering or a related field.

🏅 Chartered Engineer with a recognised institution for mechanical engineering.

📐 Extensive experience in the application of appropriate design codes and regulations.

🏭 Knowledge of building mechanical and piping systems.

📘 Familiar with pressure systems and piping design codes, typically ASME B31.1 and BS EN 13480.

⚖️ Experience of the Health and Safety at Work etc Act 1974.

🚀 Proven engineering leadership experience, with a track record of delivering engineered solutions to complex programmes and projects.

🏗️ Extensive experience working in a decommissioning, demolition, or facility decommissioning environment.

🧠 Strong problem-solving and analytical skills.

🗣️ Excellent communication and coordination abilities.

🌟 Desirable:

☢️ Experience working on nuclear sites.

🤝 Experience of technical leadership in close collaboration with certified project managers.

🔧 Other Duties:

🔄 In addition to the responsibilities listed above, the post holder may be required to undertake other types of engineering work in response to fluctuations in resource requirements or to develop additional engineering competencies.

🦺 Engineers may be required from time to time to enter radiation-controlled or beryllium-controlled areas. Appropriate PPE and training will be provided in advance.

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 if not already security cleared to a minimum SC level.

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.