Assystem is an international company with one mission: accelerate the energy transition around the world.
Every day, our 7,500 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 third in the world for nuclear engineering.
To ensure a viable, efficient, and reliable energy future for all.
🚀 Senior / Principal Mechanical Engineer ( Tooling Lead Engineer)
📍 Location: Derby (but expected to travel to AEIL and Client Sites within the UK)
🧠 Sector: Nuclear Defence | Engineering | Tooling Solutions
💼 Your Future Team
As part of a growing account, Assystem Energy & Infrastructure are looking to increase our Engineering capability to respond to an increase in demand for a new client account. We are therefore recruiting for a Senior or Principal Mechanical Engineer who will be the Technical Lead for Tooling Equipment.
As a Technical Lead, you will be involved in developing an engineering capability with responsibility for managing and delivering tooling engineered solutions. This work supports current and future tooling requirements for the nuclear defence sector.
🎯 Your Missions
✨ Leading engineering teams from FEED Concept through to Detail Design, with generation or management of technical files containing all required documentation.
🔧 Support development and growth of a tooling capability within a growing client base.
🧩 SQEP assess scopes of work from client and deploy within the engineering team.
🤝 Build effective relationships with internal and external stakeholders including client representatives.
📜 Apply current Legislative Regulations (e.g. LOLER, PUWER, CDM Regulation, Machinery Directive, PED) and respective Engineering Standards (ASME, BS, EN).
🏗️ Deliver tooling equipment via DfM (Design for Manufacture) within the Supply Chain and maintain a track record of managing the supplier as an Intelligent Customer.
Qualifications
🎓 Experience / Qualifications Required
✅ Demonstrable evidence (3yrs+) of managing and delivering engineering projects in tooling-related industries, including experience in managing and developing multi-discipline teams.
🗣️ Strong interpersonal skills with the ability to manage engineering teams and interface effectively with multiple levels of internal and client stakeholders.
💻 Proficiency in a CAD system (NX) and PLMs (Teamcenter) to manage the tooling delivery team and their deliverables.
📝 Experience providing technical authorship within a Bid proposal process and Bid management experience.
📈 Experience in estimating, planning, and budgeting for multi-discipline programmes of work.
⚛️ Able to demonstrate nuclear professionalism and best practices or experience in a highly regulated sector.
📚 Working knowledge of regulatory compliance to Nuclear Industry standards, with desirable experience delivering plant & systems.
🔍 Experience defining and managing Requirements Capture, Validation, and Verification.
🧰 Ideally experienced in nuclear industry tooling: operational tooling, bespoke jigs, tools and fixtures, lifting and handling equipment, and tooling for transportation and storage protection.
⚙️ Experience applying current Legislative Regulations (LOLER, PUWER, CDM Regulation, Machinery Directive, PED) and Engineering Standards (ASME, BS, EN).
🏷️ Good understanding of UKCA Marking (CE marking), Security and Safety Classifications, QA/QC grading for Tooling.
🔗 Experience delivering tooling equipment via DfM within the Supply Chain and managing suppliers as an Intelligent Customer.
🔄 Desirable: experience across full tooling life cycle — Construction, Commissioning, Installation, and Handover processes.
Please be aware that many roles at Assystem are subject to both security and export control restrictions.
- These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation.
- All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks.
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.
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.
