Location: Bristol, Avon, South West, UKSenior Mechanical Engineer – £40,000 – £50,000, depending on experience + Benefits - BristolReady to step into a senior role where your ideas matter, your growth is supported, and your work has real impact?At Box Twenty Consulting Engineers, we give you more than just a job title. You'll have the chance to lead meaningful building services projects, guide a talented team, and shape low-carbon design solutions that make a difference. No corporate red tape – just a clear path to progress, recognition for your work, and a team that values what you bring.The roleAs a Senior Mechanical Engineer, you'll take ownership of the mechanical design process from day one. You'll work closely with clients, contribute to strategy, and mentor junior engineers – all while working on a wide range of interesting, design-led projects in Bristol and beyond.Key Responsibilities Lead mechanical building services design on multiple projectsProduce high-quality design documents – from calculations and models to specifications and drawingsRepresent the business in client meetings and design team workshopsProvide day-to-day support and mentorship to junior colleaguesKeep on top of design standards, building regulations, and sustainable technologiesPlan and manage your work effectively to meet project deadlines About our companyWe're Box Twenty – a growing, independent consultancy based in Bristol. We believe great engineering starts with great people. That's why we prioritise collaboration, innovation, and real flexibility. Our projects span residential, education, leisure, and commercial sectors – giving you variety and challenge without the burnout.The Benefits Hybrid working options – balance home and office lifeOngoing support towards Chartership and career developmentA friendly, no-ego team that genuinely enjoys what they doOpportunity to work on exciting, sustainable design projects that matter The personWe're looking for someone who: Is Chartered or actively working towards itHas solid experience in mechanical building services designUnderstands sustainable, low-carbon design approachesEnjoys working collaboratively but can also lead independentlyCommunicates clearly and professionally with clients and teamsIs confident using Revit, IES, Amtech, AutoCAD and similar toolsIs fluent in English and eligible to work in the UK What's nextThis could be your next big move – and we'd love to hear from you. Apply now to join a company where your skills, voice, and future are all valued.TPBN1_UKTJ