Construction Supervisor (NEC4)

Company: Assystem
Apply for the Construction Supervisor (NEC4)
Location: Helensburgh
Job Description:

Overview

In this role you will act as the NEC4 Supervisor on high-value UK nuclear infrastructure projects, guiding on-site activities to meet contract scope, quality and safety standards. You will collaborate with Project Managers, contractors and stakeholders to deliver safely and efficiently within a regulated environment. You’ll contribute to commissioning, lessons learned and continuous improvement, shaping the execution of major projects in the nuclear sector. This position offers exposure to high-profile programmes and a clear impact on project outcomes.

Pay / Benefits

  • employee assistance programme with wellbeing resources
  • discount vouchers for days out and restaurants
  • eye test and glasses vouchers
  • cycle to work scheme
  • enhanced sick pay

Responsibilities

  • Act as the NEC4 Supervisor to ensure conformity with contract requirements and project scope
  • Supervise on-site construction activities focusing on quality, safety, and progress
  • Carry out inspections, witness testing, identify defects and support QA
  • Review contractor documentation (ITPs, Quality Plans, construction methods)
  • Collaborate with Project Managers, contractors and stakeholders to enable successful delivery
  • Maintain accurate site records, reports and project documentation
  • Monitor contractor Health & Safety performance and support HSQE activities
  • Contribute to commissioning, lessons learned and continuous improvement

Key requirements

  • Experience supervising construction works on large civil engineering or infrastructure projects
  • Good understanding of NEC4 contracts and the Supervisor role
  • Strong knowledge of construction quality, health & safety, and site inspections
  • Excellent communication and stakeholder management skills
  • Ability to work effectively within regulated environments and manage multiple priorities
  • Strong organisational skills with attention to detail
  • Solid understanding of CDM Regulations and Health & Safety legislation
  • Minimum 15 years’ experience delivering major civil engineering or infrastructure projects
  • Experience in heavy civil construction (groundworks, utilities, temporary works, reinforced concrete, structural steel)
  • Experience in highly regulated environments with robust safety and quality management systems
  • Collaborative approach to problem-solving and proactive in complex projects
  • Excellent communication
  • Stakeholder management
  • Collaborative problem-solving
  • NEC4 knowledge
  • Quality assurance
  • Site inspections

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Posted: October 1st, 2026