Principal Layout Integration Engineer

Overview

In this role you lead plant layout integration for Fusion and Modular Nuclear programmes, acting as a subject-matter expert and technical lead across complex facilities. You drive layout development, multidisciplinary coordination, and engineering governance while shaping best practices and providing hands-on delivery support. Your work enables safe, constructible designs and aligns with strategic project goals. This position offers impact across design, capability growth, and client-facing engineering leadership.

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 concept-to-detailed design for complex plant layouts
• Act as technical lead for major buildings and programme-level integration
• Coordinate equipment, piping, cable tray, access and maintenance layouts
• Lead piping routing studies and layout optimisation
• Provide technical leadership across multiple projects and programmes
• Drive requirements-driven layout development and multidisciplinary integration
• Define layout integration methodologies and standards
• Lead optioneering, constructability, modularisation and plant integration studies
• Lead complex multidisciplinary reviews and technical workshops
• Ensure layout solutions meet operational, safety, constructability and lifecycle requirements
• Support bids, proposals and client engagement
• Develop layout standards, procedures and best-practice guidance
• Mentor engineers and support capability development
• Support recruitment and capability growth
• Author and review technical reports and client-facing documentation

Key requirements

• Extensive experience in plant layout, piping layout, plant integration and multidisciplinary delivery
• Experience leading complex engineering studies and technical decision-making
• Strong systems engineering, requirements management and interface management
• Understanding of constructability, maintainability, modularisation and lifecycle considerations
• Experience leading multidisciplinary teams, workshops and design reviews
• Experience supporting major design reviews and engineering assurance processes
• Experience using E3D, PDMS, Plant 3D, Siemens NX, Revit, Inventor and Navisworks or equivalents
• Excellent report writing, presentation and stakeholder management skills
• Proven ability to influence senior stakeholders, clients and project teams
• Ability to define engineering strategy while remaining engaged in technical delivery
• SC Clearance or capable of achieving it

• Stakeholder management
• Leadership and mentoring
• Communication and presentation
• E3D
• PDMS
• Plant 3D

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