Senior/Principal Plant Layout Engineer

Overview

In this role you will lead plant layout integration for fusion and modular nuclear programmes, acting as a subject-matter expert and coordinating across disciplines. You will shape complex layouts, support capability growth, and drive engineering best practices while remaining hands-on in project delivery. Your work enables safe, constructible, and lifecycle-aligned solutions that advance critical nuclear projects. This is a chance to influence design standards and engage with cross-functional teams in a high-regulation environment.

Pay / Benefits

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

Responsibilities

• Lead plant layout development from concept through detailed design for complex facilities and plant areas
• Act as technical lead for major buildings, systems or programme-level integration activities
• Lead development of equipment, piping, cable tray, access and maintenance arrangements
• Lead piping routing studies and layout optimisation activities
• Provide technical leadership across multiple projects and programmes
• Lead requirements-driven layout development and multidisciplinary integration activities
• 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 qualified in Mechanical Engineering or related discipline, or 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 principles, 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, technical 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
• leadership and mentoring
• communication and presentation
• E3D
• PDMS
• Plant 3D

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