Our client is seeking a Principal/Associate Geotechnical Engineer to join its growing consultancy team in Manchester. This permanent, full-time role offers hybrid working and the opportunity to lead a diverse portfolio of geotechnical projects across infrastructure, transportation, water, energy, utilities and development. You will provide technical leadership across project lifecycles, from feasibility and ground investigation through to detailed design and construction support. The role will also involve project management, client engagement, business development and mentoring junior engineers within a multidisciplinary environment.Key Responsibilities:Lead and manage geotechnical engineering projects from inception through to completion, ensuring delivery to programme, budget and quality requirementsPlan, procure and supervise ground investigations, including the interpretation of geotechnical and geological dataUndertake and review geotechnical analyses and detailed design calculationsDesign and assess foundations, retaining structures, slopes, earthworks and embankmentsPrepare factual and interpretative reports, technical specifications and construction documentationProvide geotechnical input and construction phase support across multidisciplinary infrastructure projectsAct as a technical reviewer and mentor, supporting the development of less experienced engineersDevelop client relationships, support tenders and fee proposals, and contribute to business growth ..... full job details .....