Lead EC&I Engineer HV/LV

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 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

🚀 Lead Engineer – EC&I

As a LEAD Engineer, you will be directly involved in our most exciting projects, where you will provide technical leadership and support to the EC&I technical discipline community across a wide range of our client portfolio projects and framework agreements. Assystem operates in Nuclear Decommissioning, Defence, New Build, and Infrastructure. Customers include Sellafield, Rolls-Royce, EDF, BAE, F4E, Hinkley Point.

🛠️ Role Responsibilities

🔧 Technically responsible for EC&I engineering output of EC&I teams delivering technical solutions for complex systems

📋 Act as Lead Engineer on large and complex Projects, assisting in the production of Project plans and other associated Project Management activities

⚠️ Ensure that all Health and Safety requirements are appropriately prioritised and applied

🧠 Be aware of existing and emerging technologies, including those in other major disciplines

📘 Proven understanding of responsibilities regarding BS7671, IEC 61508, Machinery Directive, and CDM Regulations

🧑‍💼 Lead technical solutions at design reviews, facilitate technical discussions, and chair formal technical reviews

🗣️ Prepare and present technical presentations to all levels within the Business

🤝 Capable of independent and autonomous work in delivering complex engineering activities

🌍 Guide/advise on mitigating environmental impact throughout the design process

🗨️ Possess strong delegation, motivation, communication, and teamwork skills

💡 Actively support staff and clients with technical issues and customer design reviews

🎯 Provide a professional and logical work approach, especially to junior team members

📈 Monitor team performance, providing individual feedback and encouragement

👥 Select project team members to meet project requirements

📊 Direct and supervise team members and technical teams

🔍 Monitor and resolve performance issues within the team

🧭 Actively seek guidance from other Engineers and specialists to improve understanding

🧾 Responsible for the technical aspects of complex or large tenders, contributing to risk controls

💰 Assist in managing project costs and schedules with minimal supervision

🔐 Can independently implement company security procedures

📞 Act as the focal point for technical communications between clients and customers

🖊️ Oversee authoring, reviewing, and approval of written and graphical content

🌐 Establish and develop technical group networks

✅ Perform technical approval of engineering outputs produced by others

📚 Guide and support team members in the application of QMS

🔎 Identify, review, and help develop future QMS procedures, controls, and standards

✅ Essential Experience

📌 Proven track record in the design of Electrical, Control & Instrumentation systems, with specialist experience in at least two areas:

 • Radiometrics and Special Instruments

 • Control Systems

 • Electrical Supply Infrastructure

 • EC&I Functional Safety Systems

 • Process Instruments

 • Remote Handling and Lifting Equipment

 • EC&I Project Management

 • Security in Design

📦 In-depth understanding of EC&I within complex project environments

🛠️ Experience across all project life cycle phases

🧩 Strong collaboration with project management teams, providing timely technical input

🔄 Understanding of Control System design phases, V-cycle, and version control

🗂️ Experience with configuration management for plant and documentation

📐 10+ years of experience influencing engineering practices and outcomes

🛡️ 10+ years in highly regulated industries

🔧 Led process improvements for efficiency and effectiveness

👨‍🔬 Led teams delivering medium to high complexity technical solutions

🌟 Desirable Experience

☢️ Experience working with safety cases in high-hazard industries (preferably Nuclear)

⚙️ Functional Safety design and substantiation experience

🔍 Familiar with ONR License Conditions

📊 Experience in BIM-enabled projects

🧾 Knowledge of safety system design, legislation, and techniques such as FMECA, HAZOP, HAZID

🔌 Experience in systems design, calculations, and EMC assessment

💻 Experience in software/hardware/embedded programming for machinery and process control

📡 Broad knowledge of instrumentation design techniques

📉 Experience in managing equipment obsolescence

🎓 Qualifications Required

🎓 Essential:

A degree in a relevant engineering discipline (Electrical, Instrumentation, or Control Engineering) or HNC/HND with substantial professional experience

🎓 Desirable:

A degree at Honours level or higher in Electrical, Instrumentation, or Control Engineering

**Security clearance**

This role requires the successful candidate to hold a minimum of a Security Check (SC) clearance without any caveats to that clearance.



Due to the nature of work this role will be delivering and for the protection of certain assets, the successful candidate has to be a UK national or in MoD approved cases a Dual National from a non-ITAR country.

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.