Your new companyThis is one of the most competitive financial packages currently available in the building services engineering sector, particularly within the public-sector built environment. With a salary of £47,000-£60,000 and a pension contribution of over 19%, the overall remuneration exceeds many private-sector building services roles.You'll be joining an established organisation delivering building services design, property consultancy, and wider built-environment services through a public-sector partnership model. Their approach is rooted in collaboration, technical excellence, and designing buildings that add long-term value for clients and communities.They are now looking to appoint a Mechanical Design Engineer or Senior Mechanical Design Engineer with building services experience to join a multi-disciplinary in-house team, including M&E engineers, structural engineers, architects, and specialist consultants.The organisation promotes an inclusive workplace culture, strong professional development, and has been recognised in national and regional employer rankings.Your new roleAs a Mechanical Design Engineer / Senior Mechanical Design Engineer in building services, you will:Work within a multi-disciplinary team to develop mechanical building services designs aligned with client briefs, budgets, and project programmesLead the mechanical aspects of projects, ensuring compliance with building regulations, statutory requirements, and industry standardsProduce concept and detailed mechanical designs focusing on energy efficiency, lifecycle performance, and ease of maintenanceUndertake site surveys, feasibility assessments, and technical reviewsProvide professional advice on HVAC, public health systems, heating, cooling, and ventilation strategiesSupport and mentor colleagues to maintain high technical and design standardsAssist with project financial reporting and forecastingContribute to the improvement of processes, design quality, and client outcomesWhat you'll need to succeedExperience in mechanical building services engineering (HVAC / public health / low-carbon systems)Strong collaboration skills for working with M&E, architectural, and structural teamsProven experience in mechanical design, site surveys, and project deliveryAbility to manage complex projects, including budgets and final accountsHNC (or equivalent) in Mechanical or Building Services Engineering, or willingness to work towards itStrong customer focus and a drive to improve building performance and user outcomesGood problem-solving skills and ability to prioritise in a busy project environmentUp-to-date knowledge of building regulations, legislation, sustainability standards, and industry best practiceUnderstanding of RIBA stages, mechanical systems design principles, and building services technologiesWhat you'll get in return£47,000-£60,000 salary, depending on experienceExceptional pension contributions (19%+) - a major highlight of this roleMembership of the Local Government Pension Scheme25 days' annual leave + 8 bank holidaysFlexible working optionsA friendly, supportive team environmentAccess to a wide range of wellbeing, health, and social activitiesWhat you need to do nowIf you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be JBRP1_UKTJ