Principal Mechanical Engineer

Overview

Assystem is a global leader committed to accelerating the energy transition. With 7,500 employees across 12 countries, we tackle the monumental task of switching to low-carbon energy. Our 55+ years of experience in highly regulated sectors ensure we deliver top-notch engineering, project management, and digital solutions.

Your mission

Join the Fusion and Modular Nuclear Business Unit. 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 multi-disciplined teams and will deliver scope through leadership of an engineering design team.

• Spearheading the delivery of cutting-edge power station systems.
• Taking charge of optioneering studies to pinpoint the ultimate solution that aligns with client objectives.
• Leading a dynamic team in crafting and refining essential design documents, from Process Flow Diagrams to Equipment Datasheets, ensuring precision and excellence at every step.
• Directing the development of Design Description Documents and Requirement Specifications, driving innovation and efficiency in every design aspect.
• Seamlessly integrating developed systems into the broader plant infrastructure for optimal performance and functionality.
• Serving as the technical lead for designated scopes, providing expertise and oversight.
• Chairing Design Reviews and leading HAZID/HAZOP studies with multidisciplinary teams to ensure safety and excellence.
• Enforcing adherence to company HS policies and regulations, and compliance with project and Quality Management System standards.

Why join the community of switchers?

• Over 55 years in nuclear engineering.
• Ranked among the top 3 largest nuclear engineering companies.
• Attractive social benefits, including an Employee Committee and holiday bonuses.
• Ongoing training with numerous career opportunities.
• 70% of managers promoted internally.
• Hybrid work: 1-2 days remote per week.

Qualifications

• Strong experience in highly regulated industries such as nuclear, thermal power generation, or oil and gas.
• Expertise in thermal power systems and equipment, from steam turbines to pumps, with understanding of nuclear power plant operations.
• Proficiency in optioneering and option studies, with track record of crafting ALARP and BAT arguments.
• Experience mentoring and developing junior staff, and leadership of small teams.
• Exceptional communication skills for internal and external stakeholders.
• Familiarity with ASME, European, and UK codes and standards, and understanding of Product Safety Legislation.
• Appreciation for requirements management and systems engineering principles.
• Results-oriented with the ability to work independently and collaboratively, with strong organizational skills.
• British National with eligibility for obtaining and maintaining full UK security clearance.

Additional Information

We are committed to equal treatment of candidates and promote all forms of diversity. 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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