Join Tetra Techs growing sustainable design team and play a key role in delivering low-carbon, high-performance solutions across some of the UKs most complex and impactful projects. Purpose & Scope of the Role

As a Senior Sustainable Design Consultant, you will lead the delivery of technical sustainability and energy modelling services across a diverse portfolio, including property, education, defence and government sectors. Working both independently and collaboratively, you will take ownership of project workstreams, contributing to the development of energy and sustainability strategies that support planning and design outcomes. You will engage directly with clients and multidisciplinary design teams, leading workshops, producing technical assessments, and ensuring projects are delivered on time and within budget. Alongside project delivery, you will support innovation through R&D and mentor junior colleagues, helping to strengthen team capability and technical excellence. Your Impact in this Position

You will shape how buildings performdriving energy efficiency, reducing carbon, and influencing sustainable outcomes at every stage of design. Your expertise will inform key project decisions, support clients in meeting regulatory and environmental targets, and contribute to advancing industry best practice. Core Capabilities

Technical Expertise Deliver detailed energy, carbon and thermal comfort analysis using tools such as IES VE Apply knowledge of Part L and building performance standards to real-world projects Produce robust, planning-ready sustainability and energy statements Sustainable Design & Strategy Develop practical, innovative low-carbon design solutions Integrate sustainability into early-stage design and planning processes Support operational energy and HVAC modelling where required Communication & Stakeholder Engagement Lead workshops with clients and design teams, translating technical insights into clear actions Build strong relationships across multidisciplinary teams and external stakeholders Communicate complex concepts with clarity and confidence Leadership & Collaboration Take ownership of project delivery and coordinate key workstreams Mentor and support junior team members to build capability Collaborate on R&D initiatives to keep the team at the cutting edge Problem Solving & Delivery Apply critical thinking to complex technical challenges Deliver high-quality outputs with accuracy and attention to detail Manage competing priorities while maintaining commercial awareness Skills, Experience & Qualifications

Degree or Masters in a relevant discipline with proven experience in sustainable design or building performance. Strong understanding of Part L and experience using dynamic simulation tools (e.g. IES VE) for energy and carbon modelling. Experience in non-domestic energy assessments is expected, with HVAC modelling desirable. Strong communication skills are essential. Willingness to obtain security clearance is required. Working Environment

This is a full-time role with flexible, hybrid working. Opportunities are available nationally, with preferred locations including Manchester, Leicester, London and Leeds. You can expect a mix of home and office working, alongside occasional travel to project sites and meetings. Flexible working patterns are supported. 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 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 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 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 role

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