Senior Mechanical Design Engineer Building Services

Job summary

Your new company A leading global engineering consultancy is expanding its Building Services team and is seeking an experienced Senior Mechanical Design Engineer to play a key role in delivering high-profile, technically complex projects across the UK and internationally. You'll be joining a forward-thinking organisation known for engineering excellence, digital innovation, and a strong commitment to sustainability. Your new role As a Senior Mechanical Design Engineer, you will lead the development of mechanical building services solutions across a diverse project portfolio, including commercial, residential, mission-critical, education, defence, and major infrastructure schemes. You will contribute to concept design, detailed calculations, specifications, reports, and coordinated MEP solutions while guiding more junior engineers and supporting multidisciplinary design teams. Key responsibilities include: Leading mechanical design packages from concept to delivery Producing calculations, performance specifications, and technical documentation Coordinating designs with internal MEP teams and external stakeholders Ensuring compliance with industry standards, legislation, and best practices Supporting digital workflows including BIM/Revit environments Attending design meetings, presenting technical solutions, and managing client relationships Mentoring and developing junior team members Contributing to bids, fee proposals, and resource planning What you'll need to succeed Extensive mechanical building services design experience at Senior Engineer level Strong technical knowledge across HVAC, public health, thermal modelling, sustainable design, and low-carbon technologies Proven experience delivering multi-sector projects through all RIBA stages Proficiency with design software such as IES, Hevacomp, and relevant digital tools Strong communication and leadership skills Chartered status (CEng) or working towards chartership is highly advantageous A proactive, solutions-focused approach with the ability to influence design outcomes What you'll get in return Salary up to £70,000 Industry-leading benefits package Hybrid and flexible working Clear progression pathways and chartership support Opportunity to work on some of the UK's most exciting, sustainable engineering projects A supportive, collaborative environment with world-class technical expertise What you need to do now If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us Adam on . If this job isn't quite right for you but you are looking for a new position, please contact us for a confidential discussion on 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 found at hays.co.uk