Purpose & Scope of the Role As a Senior Geo-Environmental Consultant, you will play a key role within a national ground investigation team, delivering high-quality geotechnical and geo-environmental services across a diverse client base. Working within a multidisciplinary team of specialists, you will manage ground investigations from proposal through to completion, ensuring technical excellence, commercial performance and client satisfaction. This role supports a growing business with ambitious expansion plans, offering the opportunity to contribute to major projects across sectors including energy, water, defence and property, while advancing your own technical and project leadership capabilities. Your Impact in this Position You will lead and manage site investigations, ensuring safe, efficient and technically robust delivery. Acting as a key point of contact for clients, you will build trusted relationships while driving project performance and quality. Your expertise will support informed decision-making on complex ground conditions, while your leadership will help develop junior team members and strengthen overall team capability. Core Capabilities Technical Delivery & Site Investigation Lead ground investigations including soil and rock logging to BS5930, groundwater and ground gas monitoring Interpret site data and produce clear, accurate technical reports Project & Commercial Management Manage projects through the full lifecycle, including planning, delivery and close-out Oversee budgets, subcontractors and programme to ensure successful outcomes Health, Safety & Environmental Leadership Apply strong HSE principles to all site activities Prepare and review risk assessments and method statements Client Engagement & Communication Build and maintain strong client relationships Deliver clear, concise reporting and technical advice Team Collaboration & Development Work collaboratively within a national, multidisciplinary team Support and mentor junior colleagues, contributing to team growth Skills, Qualifications & Experience Degree in geology or a related discipline, with proven experience in ground investigation and site supervision. Strong project management capability and technical reporting skills are essential. Membership of a professional body and progress towards Chartership are desirable, alongside relevant site certifications (e.g. CSCS, SMSTS). Working Environment Based in Leeds, with projects primarily across the north of England and occasional UK-wide travel. This role offers a flexible, hybrid working model, typically involving 1-2 days per week in the office and a balance of site and home working. Site work will form a key part of the role, with travel and occasional overnight stays required. About Tetra Tech Tetra Tech is a leading provider of consulting and engineering services working across the full project lifecycle worldwide. We have a wide range of expertise across our teams, providing a global support network with a personalised approach to client relationships to better understand where we can add value. We provide a collaborative environment that supports individual performance, innovation, and creativity. We support public and private sector clients on local, national, and international projects to deliver sustainable and resilient solutions. Our operations in the UK, Ireland, and the Netherlands include more than 6,000 employees who are Leading with Science® to solve our clients' most complex problems. In alignment with the Equality Act 2010, we will make reasonable adjustments to support candidates and employees requiring additional arrangements. This could include adaptations to work schedules, training approaches, or the physical workspace. Please inform us if you need any accommodations during the recruitment process or in your day-to-day role