Principal Mechanical Engineer

Job Description
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.
The Role:
Reporting to the FEED Engineering Manager you will be responsible for Delivering Front Engineering activities for Small Modular Reactors, Advanced Modular Reactors and Fusion projects. The Principal Engineer shall work closely with multidisciplined teams and will deliver scope through leadership of an engineering design team.
Key Responsibilities:
Ownership and responsibility for the delivery of power station systems.
Leading Optioneering Studies at the front end to determine preferred solution in accordance with client needs and objectives.
Lead a team in the development and review of Process Flow Diagrams, Piping and Instrumentation Diagrams, Layout Drawings, Component Sizing Calculations, Component and Equipment Datasheets and Specifications, and other concept or detailed design related documents.
Lead the development of Design Description Documents, Requirement Specifications, among other design development activities.
Integration of developed systems within the wider plant.
Act as technical responsible person for a technical scope.
Chair Design Reviews and Lead HAZID/HAZOP studies with multidisciplined teams.
Ensure adherence to the company statutory H&S Policies and rules and compliance with the project and Quality Management System.
Your Background:
Strong previous experience, preferably in the nuclear sector or other highly regulated industries such as thermal power generation or oil and gas and process sectors. Experience in thermal power systems and equipment such as steam turbines, condensers, feedwater heaters, pumps, and piping systems or nuclear power plants would be beneficial.
Personal Specification/Attributes:
Results oriented, ability to work independently and proactively as part of a team, good organisation skills, ability to deal with confidential and sensitive nuclear information in a professional manner and in-line with export control obligations. Bachelor’s degree or Higher National Diploma in an engineering discipline. CEng in a relevant discipline or working towards Professional Registration. British National with eligibility to obtain and maintain full UK security clearance (SC).
Security clearance: 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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