Principal Layout Integration Engineer

Overview

In this role you will provide technical leadership across Fusion and Modular Nuclear programmes, serving as a subject-matter expert in plant layout, piping, and multidisciplinary integration. You will guide complex layout development while staying hands-on in delivery, studies, and problem solving. Your work shapes modularisation and architectural decisions that impact safety, constructability, and lifecycle performance. Join a team delivering critical nuclear projects and drive engineering best practices and capability growth.

Pay / Benefits

• Pension scheme (8% company contribution / 4% personal contribution)
• 25 days’ paid annual leave + bank holidays + option to buy or sell days
• Professional fees reimbursed
• Flexible working
• Employee referral scheme

Responsibilities

• Lead plant layout development from concept through detailed design for complex facilities
• Act as technical lead for major buildings, systems or programme-level integration activities
• Guide equipment, piping, cable tray, access and maintenance arrangements
• Lead piping routing studies and layout optimisation
• Provide technical leadership across multiple projects and programmes
• Lead requirements-driven layout development and multidisciplinary integration
• Define layout integration methodologies, standards and engineering approaches
• Lead major optioneering, constructability, modularisation and plant integration studies
• Lead complex multidisciplinary reviews and technical workshops
• Provide technical assurance and review of layout deliverables
• Lead resolution of complex layout, routing, requirements and integration challenges
• Ensure layout solutions satisfy operational, safety, constructability and lifecycle requirements
• Support bids, proposals and client engagement activities
• Develop layout standards, procedures and best practice guidance
• Mentor engineers and support capability development
• Support recruitment, succession planning and capability growth
• Author and review technical reports, engineering strategies and client-facing documentation

Key requirements

• Degree in Mechanical Engineering or related discipline; equivalent industrial experience
• Extensive experience in plant layout, piping layout, plant integration and multidisciplinary engineering delivery
• Experience leading complex engineering studies and technical decision-making
• Strong understanding of systems engineering, requirements management and interface management
• Strong understanding of constructability, maintainability, modularisation and lifecycle considerations
• Experience leading multidisciplinary teams, workshops and design reviews
• Experience supporting major design reviews, governance activities and engineering assurance processes
• Experience using E3D, PDMS, Plant 3D, Siemens NX, Revit, Inventor and Navisworks or equivalent platforms
• Excellent report writing, presentation and stakeholder management skills
• Proven ability to influence senior stakeholders, clients and project teams
• Ability to define engineering strategy whilst remaining engaged in technical delivery
• SC Clearance or capable of achieving it
• stakeholder management
• influence and negotiation
• mentoring and capability development
• E3D
• PDMS
• Plant 3D

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