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ASSYSTEM

Engineering services for design, construction, commissioning

Process Engineer

Thermal & Fluids EngineeringConfirmed live in the last 24 hours
Full-timeBolton, UKNo salary listed

About the Job

Requirements

  • A degree in Process or Chemical Engineering, or equivalent experience.
  • A strong understanding of fluid mechanics, heat transfer, and thermodynamics.
  • Proven experience producing design documentation and test specifications.
  • Proficiency with PIPESIM, Flomaster, or other one-dimensional computational fluid dynamics software.
  • Applicants must meet UK security clearance criteria.

Responsibilities

  • Support cooling water island systems with analysis and calculation methods.
  • Perform static and transient flow and thermal analyses using software tools.
  • Assist in designing and integrating various systems.
  • Produce, review, and update system documentation.
  • Define control strategies for system performance.
  • Determine appropriate sizes for system components.
  • Conduct thermal-hydraulic calculations and modeling.
  • Formulate detailed equipment specifications.

About the Company

ASSYSTEM

Engineering services for design, construction, commissioning

Assystem provides engineering services for complex projects, covering design, construction, supervision, commissioning, and operation, with a strong focus on the nuclear and energy sectors. Its approach combines multidisciplinary engineering teams and project-management capabilities to move projects from initial concept through to operation. The company differentiates itself through a long track record, strategic acquisitions (including Alphatem in 1995 and Mactech Energy Group in 2025) and an early public offering in 2013, which have expanded its capabilities and market reach in the energy and nuclear fields. Its goal is to be a leading, reliable partner for clients by delivering end-to-end engineering services and helping them meet safety, performance, and regulatory requirements across the project lifecycle.

Company size
5,001-10,000
Company stage
IPO
Headquarters
Paris, France
Founded
1966

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