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Our Vacancy

Principal Waste Engineer

  • Nuclear
  • Permanent /
  • Blackburn
  • 09/06/24
  • On site

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

Every day, our 6,500 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.

Job Description

Principal Waste Engineer – Warrington / West Cumbria – Permanent

🌟 Your Future Team:

Assystem is a prominent player in the nuclear decommissioning sector, partnering with the Design Services Alliance and providing waste management services to strategic nuclear clients in the UK. Our services include life extension and feasibility assessment.

🎯 Your Missions:

Provide Assystem and our customers with authoritative waste management and characterization advice. Prepare and review waste and characterisation documentation in support of decommissioning projects, including:

  • 📊 Characterisation Status Reports
  • 🏭 Facility & Waste Characterisation Plans
  • 📋 Facility & Project Waste Management Plans
  • 📦 Waste Inventory Management
  • 📜 Technical Reports and Presentations

🔧 Your Responsibilities:

  • 📝 Provide key waste and characterisation input to bids
  • 🕒 Articulate durations and costs for planned work
  • 🌱 Champion waste-informed decommissioning and sustainable waste management
  • 🔍 Lead Best Available Technique and Optioneering studies
  • 🤝 Be a primary contact between Assystem and our customers, potentially being seconded to customers’ organizations or working on-site
  • 👩‍🏫 Provide training and coaching to staff and contractors
  • 💼 Ensure value to the business through effective resource management and implementation of BAT
  • 📊 Possess a good working knowledge of the Data Quality Objectives (DQO) method of characterisation
  • 👥 Lead small teams when required

🤝 Why Join the Community of Switchers?

  • 💼 Over 55 years of experience in nuclear engineering, ranking among the top 3 largest nuclear engineering companies
  • 🎉 Attractive social benefits: an engaging Employee Committee (CE), holiday bonuses…
  • 📚 Ongoing training throughout your career with numerous career opportunities – 70% of our managers are promoted internally!
  • 🏠 Flexible work options with 1 to 2 days of remote work per week


My profile

🎓 Qualifications/Experience Required:

  • 📘 Degree in a scientific or engineering-based subject or relevant experience in waste or characterisation engineering
  • 🎓 Certificate of competence to act as a Radioactive Waste Adviser (RWA)
  • 🚚 Transport of Class 7 by Road Level 2 or Level 3
  • 📜 Chartered status
  • 🌍 In-depth knowledge of disposal and treatment routes for wastes in the UK and overseas
  • 📖 Thorough understanding of legislation and frameworks impacting waste management in the UK
  • 🧪 Understanding of characterisation methodology for radioactive and non-radioactive wastes, including the Data Quality Objectives and Data Quality Assessment processes
  • 👥 Ability to lead small teams and mentor junior team members
  • 🚛 Experience with the transport of Class 7 materials and wastes by road

Join us at Assystem, where your expertise will shape the future of nuclear waste management! 🌟

For more information or to apply for the role please contact

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.

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