Principal Design Engineer £71,000-£75,000 + Car Allowance | Watford An exciting opportunity has arisen for a Principal Design Engineer to join a leading civil engineering contractor at their offices in Watford. My client delivers high-profile, high-value infrastructure projects and the Principal Design Engineer will play a key role in strengthening their design leadership team. My client is looking for a Principal Design Engineer with in-depth understanding of temporary works and scaffold design. The remit covers full lifecycle design leadership, technical assurance and integration of scaffold and access systems into major civil engineering projects across the UK. The role demands precision, structural expertise, and disciplined coordination with project delivery teams. Key Responsibilities Lead design and engineering stages for permanent and temporary works Produce and review scaffold and access designs in line with TG20, SG4, BS EN 12811 and related standards Coordinate with site teams, architects, structural engineers and specialist subcontractors Provide technical leadership to junior engineers and scaffold coordinators Undertake site visits to verify installations and resolve design or safety issues Participate in temporary works coordination, risk assessments and constructability reviews Ensure full CDM compliance and alignment of scaffold designs with project delivery plans Maintain up-to-date knowledge of sca...