Quality Control Engineer | Irvine | Negotiable DOE Avenue have an exciting opportunity for a Quality Control Engineer to join our clients team, based in Irvine, Ayrshire. The purpose of this role is to control fabrication and welding activities on behalf of the business, ensuring all products and processes meet the highest levels of compliance, particularly for structural steel fabrication to Execution Class 4 (EXC4) under BSEN 1090. This includes managing and maintaining the Factory Production Control (FPC) system, acting as, or alongside, the Responsible Welding Coordinator (RWC) and embedding ISO 3834 principles throughout production. This is a strategic and hands-on role responsible for the development, implementation, and continuous improvement of quality systems across projects, from tendering and planning through to final inspection and customer handover. Key Responsibilities: Execute the Factory Production Control (FPC) system to full EXC4 compliance. Implement the development of Welding Quality Management Systems in line with ISO 3834-2. Take responsibility for WPS and WPQR management, overseeing welding trials, qualification processes, and documentation control. Work directly with estimating/project team during tender phase to identify project-specific quality requirements. Maintain and update the Project Quality Plan (PQP) and Inspection & Test Plans (ITPs) for all contracts. Integrate quality processes into day-to-day pro...