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ASSYSTEM

Engineering services for design, construction, commissioning

Mechanical Engineer - Pressure Compliance

Mechanical EngineeringConfirmed live in the last 24 hours
Full-timeBristol, UKNo salary listed

About the Job

Requirements

  • A degree in Mechanical Engineering or a related discipline is required.
  • Experience with pressure systems manufacture, installation, or structural integrity is required.
  • Experience within nuclear, power generation, or oil and gas environments is required.
  • Knowledge of RCC-M or ASME pressure equipment design requirements is required.
  • An understanding of pressure systems compliance and regulatory requirements is required.
  • Experience working with regulators, suppliers, and engineering organisations is required.
  • Strong technical judgement and the ability to resolve complex issues are required.
  • Strong stakeholder management across multidisciplinary and matrix organisations is required.
  • Excellent communication skills and strong influencing capability are required.
  • Candidates must be within commuting distance of Bristol; relocation support may be available where appropriate.

Responsibilities

  • Lead pressure systems compliance and structural integrity activities across an allocated HPC project scope.
  • Act as a technical authority, supporting safe delivery through design, manufacture, installation, and compliance activities.
  • Manage pressure systems compliance requirements across the allocated project scope.
  • Assess structural integrity requirements for safety-critical pressure systems.
  • Apply RCC-M, ASME, and relevant pressure equipment requirements.
  • Ensure regulatory and structural integrity requirements are properly implemented.
  • Collaborate with project managers, designers, regulators, and supply chain partners.
  • Review pressure equipment manufacture, installation, and conformity assessment activities.
  • Provide technical decisions on pressure compliance issues within delegated authority.
  • Maintain compliance documentation, processes, and supporting technical requirements.
  • Interface with international suppliers and support occasional European project travel.
  • Support project delivery while maintaining nuclear safety and quality requirements.

Desired Qualifications

  • Chartered Engineer status or progress towards professional registration is advantageous.

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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