Process Engineer

Newcastle upon Tyne, England, gb on site Until 8/21/2026 First posted June 4, 2026 Last posted June 4, 2026
Job description

Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements. 

Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.

🌟 Join Our Team as a Process Engineer! 🌟

πŸš€ Exciting Opportunity to work on the SMR Project πŸš€ Be a part of designing complex thermal and fluid systems for the innovative SMR project! Embrace innovation and contribute to a commercially groundbreaking new build.

Key Responsibilities:

  • Analyze & Calculate: Support cooling water island systems with cutting-edge analysis and calculation methods.
  • Flow & Thermal Analyses: Perform static and transient flow and thermal analyses using advanced software tools.
  • System Design & Integration: Assist in designing and integrating various systems.
  • Documentation: Produce, review, and update system documentation.
  • Control Philosophy: Define control strategies for system performance.
  • Component Sizing: Determine the appropriate sizes for system components.
  • Thermal-Hydraulic Modeling: Conduct thermal-hydraulic calculations and modeling.
  • Equipment Specifications: Formulate detailed equipment specifications.

Why Join the Community of Switchers?

  • 🌟 Over 55 years in nuclear engineering.
  • πŸ† Ranked among the top 3 largest nuclear engineering companies.
  • πŸ’Ό Attractive social benefits, including an engaging Employee Committee and holiday bonuses.
  • πŸ“š Ongoing training with numerous career opportunities.
  • πŸ“ˆ 70% of our managers are promoted internally!
  • 🏠 Hybrid work: 1-2 days remote per week.

Qualifications:

  • Education: Degree in Process or Chemical Engineering, or equivalent.
  • Skills: Strong understanding of fluid mechanics, heat transfer, and thermodynamics.
  • Experience: Proven experience in producing design documentation and test specifications.
  • Software: Proficiency with PIPESIM, Flomaster, or other 1D CFD software.

Due to the nature of the work, applicants must meet UK security clearance criteria.

Ready to make a difference in the nuclear engineering world? Join us and be a part of the future of nuclear and fusion innovation! 🌐✨

 

    NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process.

    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.

    About this role

    Summary

    Support thermal and fluid systems design, analysis, documentation, and system integration in nuclear projects

    Job title

    Process Engineer

    Experience level

    proven experience

    Industry

    nuclear engineering

    Location requirements

    Newcastle upon Tyne, UK, hybrid work allowed

    Salary

    Not specified

    Management role

    No

    Skills & keywords

    Required skills

    fluid mechanicsheat transferthermodynamicsPIPESIMFlomaster

    Preferred skills

    None specified

    Specializations

    thermal-hydraulicsfluid mechanicsthermal analysissystem design
    Locations

    Structured locations inferred from the posting.

    Newcastle upon Tyne, UK

    Hybrid City