Senior / Principal Mechanical Building Services Engineer

Job Description Overview Create places and spaces that matter. AtkinsRéalis is one of the world’s most respected design, engineering, and project management consultancies, with over 50,000 employees worldwide. At AtkinsRéalis, we offer more than just a job. We offer an opportunity to make a difference and shape the world to benefit future generations and the natural environment. Drawing upon a diverse skill set and a proven track record of delivery we are playing a leading role in some of the world’s most challenging and exciting engineering projects across sectors including Aviation, Energy, Cities and Development, Education, Transportation and Defence. AtkinsRéalis’ Building Design Practice are looking for an experienced, motivated Senior / Principal Mechanical Design Engineer seeking to develop their career in a positive environment and join our team where talent is encouraged and growth opportunities unrivalled. We have openings in our new central Manchester office which presents the opportunity to join a national Building Services team with designers all across the UK and internationally through our Global Technology Centre. This opportunity will involve working as part of a national practice of Building Design professionals delivering engineering design solutions to clients across the UK. This role will encompass a multi-sector experience, but expertise from working within the Commercial, Defence, Energy, Education, Healthcare sectors would be a benefit. You will be working on a diverse range of projects with recent examples including Manchester Digital Campus for the Government Property Agency, Seashell SEND college in Cheadle, New Submarine Manufacturing facilities for BAE systems and the University of Sheffield’s MEP designer framework. The opportunity will require candidates to be client-facing as well as being involved in the day-to-day design and management of projects. It is an exciting opportunity for an experienced design engineer to further develop their career within a leading building design consultancy. Our Building Services Engineering team won the "Building Performance Consultancy (over 300 employees)" award at the CIBSE Building Performance Awards 2025. Energy and Carbon are an essential aspect of this position and with the rise in importance of decarbonising the built environment, improving air quality and implementing energy efficient design solutions, our team is expanding to deliver sustainable solutions for our growing portfolio of satisfied clients. Our focus is on developing our staff to realise their full potential, with development plans geared to individual needs and abilities. This role will allow development of existing technical skills as well as providing potential to expand digital skills and project management. Our Practice is committed to developing our ways of working using emerging Digital Technology and the global reach offered by an organisation of our size and capability. Our ideal individual will bring strong technical skills to the role, as well as an enquiring mind able to contribute to the growth of our digital practice, and the potential to lead and manage diverse delivery teams, locally and remotely. Your role The role of can be varied depending on projects and although not limited, duties are likely to include: Undertake the design and specification of all Mechanical Building Services systems from concept through to detailed design –including heating, cooling, ventilation and public health systems etc. Carry out and support others, in the production of detailed calculations using industry standard software tools including Hevacomp, MEPworx, IES. Preparing technical specifications, design reports and presentations. Collaborate with our BIM team to prepare models and drawings, with a working understanding of Revit. Representing AtkinsRéalis at meetings with clients and other professionals. Condition surveys, inspections and monitoring of installation and commissioning. Managing own workload, Ensure projects are delivered excellently with agreed deadlines and budgets. Assist with technical development of junior team members. About you Relevant experience of Building Services Engineering and an interest in design excellence for building design. A natural curiosity and an interest in exploring the new ways of working. Degree qualified, or equivalent qualification, in Building Services Engineering / Mechanical Engineering, or related subjects. Working towards, or a Chartered Member of CIBSE, IMechE or equivalent body. Working experience of common calculation software such as IES, Hevacomp, StabiCAD, Revit, NBS and Microsoft packages. Knowledge of Thermal modelling for building compliance, and building design optimisation would also be beneficial. Detailed knowledge of UK technical standards and codes of practice. Familiar with energy reduction methods and approaches to decarbonising new and existing buildings. Understanding of energy and carbon related data capture and analytics. Competent in designing for measurement and verification, including experience of commissioning and post installation evaluation of performance. Rewards & benefits Explore the rewards and benefits that help you thrive – at every stage of your life and your career. Enjoy competitive salaries, employee rewards and a brilliant range of benefits you can tailor to suit your own health, wellbeing, financial and lifestyle choices. Make the most of a myriad of opportunities for training and professional development to grow your skills and expertise. And combine our hybrid working culture and flexible holiday allowances to balance a great job and fulfilling personal life. Be rewarded. Find out more. About AtkinsRéalis We're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We're committed to leading our clients across our various end markets to engineer a better future for our planet and its people. Find out more. Additional information Security clearance This role may require security clearance and offers of employment will be dependent on obtaining the relevant level of clearance. If this is necessary, it will be discussed with you at interview. The vetting process is delivered by United Kingdom Security Vetting (UKSV) and may require candidates to provide proof of residency in the UK of 5 years or longer. If applying to this role please do not make reference to (in conversation) or include in your application or CV, details of any current or previously held security clearance. We are committed to creating a culture where everyone feels that they belong - a place where we can all be ourselves, thrive and develop to be the best we can be. So, we offer a range of family friendly, inclusive employment policies, flexible working arrangements and employee resource groups to support all employees. As an Equal Opportunities Employer, we value applications from all backgrounds, cultures and ability. #LI-INFRASTRUCTURE | #LI-UK Worker Type Employee Job Type Regular At AtkinsRéalis, we seek to hire individuals with diverse characteristics, backgrounds and perspectives. We strongly believe that world-class talent makes no distinctions based on gender, ethnic or national origin, sexual identity and orientation, age, religion or disability, but enriches itself through these differences. Created by the integration of long-standing organizations dating back to 1911, AtkinsRéalis is a world-class engineering services and nuclear company dedicated to engineering a better future for our planet and its people. We create sustainable solutions that connect people, data and technology to transform the world's infrastructure and energy systems. We deploy global capabilities locally to our clients and deliver unique end-to-end services across the whole life cycle of an asset including consulting, advisory & environmental services, intelligent networks & cybersecurity, design & engineering, procurement, project & construction management, operations & maintenance, decommissioning and capital. The breadth and depth of our capabilities are delivered to clients in strategic sectors such as Engineering Services, Nuclear and Capital. News and information are available at Atkinsrealis or follow us on LinkedIn.