Senior/Principal Plant Layout Engineer

Overview

In this role you lead layout integration for Fusion and Modular Nuclear facilities, shaping complex plant layouts from concept to detailed design. You provide technical direction across buildings, systems, and modularisation while actively delivering engineering work and mentoring teams. You’ll drive multidisciplinary coordination, define integration methodologies, and support bids and client engagements. This is an opportunity to influence critical nuclear projects and advance engineering best practices within a global, safety‑driven environment.

Pay / Benefits

• Pension scheme
• 25 days’ paid annual leave
• 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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