Mechanical Engineer (Valve Specialist)

Assystem; Bridgwater; On-site; GBP 70,000 - 100,000; Full time

Job summary

Assystem GmbH is seeking a Mechanical Engineer specialising in Valve Engineering to support the HPC Project within the JDO, ensuring designs are compliant for a nuclear environment. You will lead technical meetings, collaborate with system engineers and suppliers, review valve documentation, and drive design modifications to meet project requirements.

Strong experience in valve-related deliverables, technical clarifications, and open points management is required to ensure successful integration

Qualifications

• Experience in valve engineering for nuclear or high-safety environments.
• Ability to review engineering inputs, specifications, and data sheets.
• Familiarity with nuclear codes and standards.
• Experience leading technical meetings and coordinating stakeholders.
• Strong problem-solving and hand calculation skills.

Responsibilities

• Provide technical clarification on valve-related deliverables required for construction, working closely with Back Office design teams (EPR-E, EDVANCE, CNEPE and valve suppliers).
• Gather, review and assess engineering inputs, design assumptions, technical specifications, equipment data sheets and supporting documentation.
• Review valve design documentation to ensure compliance with project requirements, nuclear codes and applicable standards.
• Carry out valve engineering assessments, including: Functional and operational reviews; Assessment of operational requirements; Qualification and environmental requirement reviews; Identification and implementation of design modifications.
• Manage and close valve-related technical queries and open points.
• Assess and provide technical responses to issues arising during manufacturing, testing, installation and commissioning activities.
• Review and integrate valve design modifications requested by project stakeholders following JDO handover.
• Perform engineering assessments and hand calculations to determine the feasibility and impact of proposed changes.
• Review and verify technical documentation produced by suppliers and engineering subcontractors.
• Identify opportunities to improve and optimise valve designs and associated documentation.
• Collaborate closely with system engineers, layout engineers, CAD designers and multidisciplinary teams to support valve integration across plant systems.
• Lead technical meetings and manage interfaces with a wide range of stakeholders.
• Provide subject matter expertise on valve operation, maintainability, reliability and nuclear safety requirements.

Skills

Valve engineering

Nuclear safety

Design verification

Job description

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What You’ll Be Doing

As a Mechanical Engineer, specialising in Valve Engineering, you’ll support all valve engineering activities for the Hinkley Point C (HPC) Project within the Joint Design Office (JDO), ensuring designs are compliant, constructible, and fit for operation in a nuclear environment.

Key Responsibilities

• Provide technical clarification on valve-related deliverables required for construction, working closely with Back Office design teams (EPR-E, EDVANCE, CNEPE and valve suppliers).


• Gather, review and assess engineering inputs, design assumptions, technical specifications, equipment data sheets and supporting documentation.


• Review valve design documentation to ensure compliance with project requirements, nuclear codes and applicable standards.


• Carry out valve engineering assessments, including:


• Functional and operational reviews


• Assessment of operational requirements


• Qualification and environmental requirement reviews


• Identification and implementation of design modifications


• Manage and close valve-related technical queries and open points.


• Assess and provide technical responses to issues arising during manufacturing, testing, installation and commissioning activities.


• Review and integrate valve design modifications requested by project stakeholders following JDO handover.


• Perform engineering assessments and hand calculations to determine the feasibility and impact of proposed changes.


• Review and verify technical documentation produced by suppliers and engineering subcontractors.


• Identify opportunities to improve and optimise valve designs and associated documentation.


• Collaborate closely with system engineers, layout engineers, CAD designers and multidisciplinary teams to support valve integration across plant systems.


• Lead technical meetings and manage interfaces with a wide range of stakeholders.


• Provide subject matter expertise on valve operation, maintainability, reliability and nuclear safety requirements.

Coordination Responsibilities

• Acting as the primary point of contact for valve-related queries from the HPC site, you will:


• Coordinate technical activities across multiple valve packages and systems.


• Drive alignment and consistency of technical solutions between stakeholders.


• Monitor, manage and support the resolution of valve-related open points.


• Facilitate communication between design teams, suppliers, construction teams and the client.


• Support project delivery by ensuring valve engineering activities are executed in line with project schedules, quality standards and delivery objectives.

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