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ASSYSTEM

Engineering services for design, construction, commissioning

Layout Integration Engineer

Design EngineeringConfirmed live in the last 24 hours
Full-timeBolton, UKNo salary listedIn-person

About the Job

Requirements

  • A degree in Mechanical Engineering or a related discipline, or equivalent industrial experience.
  • Experience in plant layout, piping design, plant design, or multidisciplinary engineering projects.
  • Experience in nuclear, power generation, defence, submarine, oil and gas, process plant, or other complex engineering environments.
  • Experience using E3D, PDMS, Plant 3D, Siemens NX, Revit, Inventor, or similar CAD/BIM tools.
  • Experience using Navisworks or equivalent model review software.
  • Ability to interpret engineering documentation, including PFDs and P&IDs.
  • Understanding of systems engineering principles, requirements management, and interface management.
  • Strong communication and report writing skills.
  • SC clearance or the ability to achieve it.

Responsibilities

  • Own layout development for assigned systems, buildings, or plant areas.
  • Develop integrated equipment, piping, cable tray, access, and maintenance layouts.
  • Interpret and apply PFDs, P&IDs, equipment data sheets, line lists, requirements, and engineering constraints.
  • Capture and manage design assumptions, constraints, and interfaces.
  • Develop layouts within 3D CAD/BIM environments.
  • Lead piping routing studies and plant integration activities within assigned scope areas.
  • Act as the primary layout focal point for assigned work packages.
  • Coordinate design activities across multiple engineering disciplines.
  • Lead multidisciplinary workshops, model reviews, and layout reviews.
  • Identify clashes, interfaces, and design conflicts and drive their resolution.
  • Ensure layout solutions satisfy system, operational, safety, construction, and maintenance requirements.
  • Produce general arrangements, layout studies, and engineering deliverables.
  • Author technical reports, optioneering studies, design philosophies, and engineering recommendations.
  • Present technical solutions and recommendations to stakeholders.
  • Support modularisation, construction, and maintainability assessments.
  • Support requirements management and interface management activities.

Desired Qualifications

  • Experience within the nuclear, fusion, SMR, or AMR sectors.
  • Experience leading plant areas, systems, or work packages.
  • Experience supporting modularisation and construction studies.
  • Candidates able to demonstrate experience through technical leadership and delivery of complex engineering projects are encouraged to apply.

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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