Principal Design Engineer (Contract) Location: Leeds We are seeking an experienced Principal Design Engineer to provide technical leadership on major infrastructure and civil engineering projects. Key Requirements: 10+ years' experience in structural, temporary works, tunnelling, or infrastructure design. Strong knowledge of reinforced concrete, steel structures, foundations, retaining walls, and underground structures. Experience delivering designs to Eurocodes and UK standards. Proven leadership of multidisciplinary design teams and design assurance processes. Chartered status (ICE or IStructE) preferred. Experience on major UK infrastructure programmes desirable. Responsibilities: Lead permanent and temporary works design activities. Review and approve technical calculations, drawings, and design deliverables. Coordinate with geotechnical, construction, and engineering teams. Support bids, technical governance reviews, and client...

Principal Geotechnical Engineer (Contract) Location: UK Rate: 600- 750/day (Outside IR35) We're seeking an experienced Principal Geotechnical Engineer to provide technical leadership across major infrastructure projects. Key Requirements: 10+ years' experience in geotechnical engineering within heavy civils, tunnelling, or major infrastructure. Strong knowledge of Eurocode 7, UK standards, and geotechnical risk management. Experience with ground investigations, foundation design, retaining structures, deep excavations, and soil-structure interaction. Proven technical leadership, design review, and mentoring capability. Chartered status (ICE or Geological Society) preferred. Experience on major UK infrastructure programmes desirable. Responsibilities: Lead geotechnical design and assessment activities. Review and approve technical deliverables. Provide technical assurance and support bid/project teams. Mentor junior engineers and support...