Worksite Engineer - Decommissioning; Client Side

Company Overview

NUVIA is a branch of VINCI, the world's largest integrated concessions and construction group. As the nuclear entity of the VINCI Group, NUVIA is involved in the entire life cycle of nuclear facilities, from new build to decommissioning, maintenance and operation. With more than 2700 employees worldwide, we are constantly growing and welcoming new talent to support the group's growth.

Job title: Worksite Engineer – Decommissioning

Contract type: Permanent

Telework: Hybrid (telework possible – 4 days in the office, 1 day remote)

Location: Abingdon, Oxfordshire, United Kingdom

Hours: 37.5 hours per week

Publication date: 2/26/2026

The Worksite Lead Engineer is a key technical role that leads teams and is responsible for delivering safe, compliant, and efficient engineering solutions for decommissioning activities through the pre-construction and construction phases. This role reports to the JDR Decommissioning Lead Engineer.

• Own and drive the engineering aspects of decommissioning worksite investigations, surveys, research, hazard identification, inventory, deplanting methodologies and planning.
• Ensure all engineering work complies with applicable regulatory, legal, and UKAEA JDR processes.
• Identify hazards, assess risks, and implement mitigation strategies throughout the life cycle of decommissioning projects.
• Develop a deep knowledge of decommissioning strategies.
• Interface with the Principal Contractor and contractors where necessary.
• Lead optioneering and feasibility studies within worksite constraints to identify viable decommissioning approaches.
• Develop and maintain multi-phase decommissioning plans, including Post‑Operational Clean Out (POCO) and deplanting strategies.
• Oversee input data collection, conditioning and validation to support accurate planning and decision‑making.
• Create decommissioning flow diagrams and throughput models to optimize sequencing and resource allocation.
• Plan and coordinate investigations and characterisation activities to inform decommissioning design and hazard management.
• Develop detailed plans for deplanting, size reduction and associated engineering design activities.
• Support hazard identification processes, maintain the Hazard Register and ensure alignment with SHE requirements.
• Prepare method statements, designer risk assessments, Pre‑Construction Information (PCI) and support Construction Phase Planning (CPP).
• Prepare for and present at design and gate reviews, ensuring compliance with technical and safety standards.
• Interface with principal designer and contractor teams, managing interactions with health physics, waste, asbestos and other stakeholders.
• Provide expert advice to resolve delivery obstacles using creative solutions, lessons learned and best practices.
• Collaborate with the JDR Decommissioning Lead Engineer to define engineering strategy, reach back for lessons learned and mentor other teams as required.

• Relevant engineering degree (BSc/MSc) or equivalent.
• Chartered Engineer status with a recognised professional institution or significant experience in similar decommissioning roles.
• Familiarity with CDM regulations and their implementation.
• Strong understanding of design standards and UK compliance requirements.
• Knowledge of Health and Safety at Work etc. Act 1974.
• Working knowledge of a broad range of engineering disciplines.
• Familiarity with industry‑standard information management systems used in decommissioning.
• Proven track record delivering engineered solutions in decommissioning or waste management projects.
• Experience managing highly complex technical projects, including risk mitigation.
• Demonstrated ability to act as a technical lead, including coaching and mentoring.
• Experience supervising staff and ensuring adherence to safety and design standards.
• Strong communication and technical writing skills.
• Ability to influence and lead teams effectively.
• Proactive approach to safety and problem‑solving.
• Project phases: D1 – Discovery & Initiation Phase (3–4 months); D3 – Construction Phase (nominal 9–18 months); D4 – Problem‑Solving & Knowledge Transfer (continuous).