As an Associate Director/Director level ecologist, you will lead and grow our Biodiversity Net Gain (BNG) capability within a nationally recognised, multidisciplinary consultancy. You will play a key role in expanding our UK presence, building on an established and diverse BNG project portfolio, and strengthening collaboration across planning, engineering, transport and environmental teams.This role combines technical leadership, strategic input and business development, ensuring the delivery of high-quality BNG services while supporting clients across sectors including residential, energy, defence, transport and government.Your Impact in this PositionYou will act as the national lead for BNG, shaping strategy, driving innovation and setting technical standards across projects. Your expertise will guide the delivery of assessments, management plans and biodiversity solutions, while influencing both internal teams and external stakeholders.You will lead on bids and tenders, support commercial growth, and mentor a team of specialistscreating a high-performing, collaborative environment that delivers measurable environmental outcomes.Core CapabilitiesTechnical Leadership & ExpertiseLead delivery and quality assurance of BNG assessments, strategies and management plansApply in-depth knowledge of BNG principles, metrics, offsetting and trading rulesStrategic Thinking & Commercial AwarenessIdentify growth opportunities and contribute to business strategyLead tenders and support commercial decision-makingCollaboration & Stakeholder EngagementBuild strong relationships with internal teams and external stakeholdersConfidently engage with local authorities, clients and partnersTeam Leadership & DevelopmentDevelop and mentor technical specialistsFoster a collaborative, high-performance cultureProject Delivery ExcellenceEnsure high-quality, client-focused delivery across a diverse project portfolioAdapt technical solutions to meet project and client needsSkills, Experience & QualificationsStrong experience in Biodiversity Net Gain within a consultancy environmentProven leadership and team development capabilityExcellent understanding of BNG policy, guidance and best practiceExperience in stakeholder engagement and multidisciplinary workingRelevant degree and professional membership (e.g. CIEEM), with Chartered status desirableWorking EnvironmentThis role offers fully flexible, hybrid working with access to a network of UK offices. There are no fixed office day requirementswork where and when you are most effective while supporting your team and clients. Flexible hours, including compressed or reduced working patterns, are supported to promote a healthy work-life balance.Tetra Tech is a leading provider of consulting and engineering services working across the full project lifecycle worldwide.We have a wide range ofexpertiseacross 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 areLeading with Scienceto solve our clients most complex problems.In alignment with the Equality Act 2010, we will make reasonable adjustments to support candidates and employeesrequiringadditionalarrangements. 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 roleJBRP1_UKTJ