Senior / Principal Design Engineer - Building Services (Mechanical or Electrical) Location: Cambridge, UK Salary: £70,000 - £85,000 (DOE) Company: A forward-thinking, people-first consultancy with a thriving culture and ambitious growth plans About the RoleWe're seeking a dynamic Senior or Principal Design Engineer to join our expanding Building Services team in Cambridge. Whether your expertise lies in mechanical or electrical design, this role offers the opportunity to lead high-impact projects, mentor rising talent, and shape the future of sustainable building design.You'll be part of a collaborative, values-driven organisation that champions innovation, professional development, and a healthy work-life balance. Our culture is built on trust, curiosity, and a shared commitment to excellence. ️ Key Responsibilities\n\nLead the design and delivery of complex building services projects across various sectors (commercial, education, healthcare, etc.)\nProvide technical leadership and quality assurance throughout the design lifecycle\nCollaborate with multidisciplinary teams, clients, and stakeholders to ensure seamless project execution\nMentor and support junior engineers, fostering growth and technical development\nContribute to resource planning, proposals, and strategic decision-making\nStay abreast of industry trends and drive innovation in sustainable design practices What We're Looking For\n\nDegree-qualified in Mechanical or Electrical Engineering (or equivalent)\nProven experience in building services design and project delivery\nStrong leadership and communication skills, with a passion for mentoring\nChartered status (or working towards) with CIBSE, IMechE, or IET \nProficiency in relevant design software (e.g., Revit, AutoCAD, IES, Dialux)\nA proactive mindset and a desire to contribute to a growing, purpose-driven organisation Why Join Us?\n\nA genuinely supportive and inclusive culture where your voice matters\nClear pathways for career progression and professional development\nFlexible working arrangements and a modern Cambridge office\nAccess to cutting-edge projects that make a real-world impact\nRegular team socials, wellness initiatives, and community engagement\n\nWhat you need to do now \n\nIf you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.\nIf 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.\n\nHays EA is a trading division of Hays Specialist Recruitment Limited and acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers.

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