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 Engineerseeking 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 Purpose:· 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.What you can bring:· 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.· Interested in designing for measurement and verification, including experience of commissioning and post installation evaluation of performance.Why work for AtkinsRéalis?We're ranked as one of LinkedIn's Top 25 Companies, where UK professionals want to work and stay once, they join. We've also made the Times Top 50 employers for women.Our Infrastructure team uses innovation, new approaches and the power of data to help our clients deliver end-to-end projects and programmes for essential future infrastructure. And as the work becomes ever more complex, our employees continue to challenge the status quo.We're committed to engineering better for people and our planet, from our global Engineering Net-Zero programme to creating social value through EDAROTH community housing. We're proud of our active employee networks creating awareness and allyship for our under-represented groups. Not to mention programmes supporting communities outside AtkinsRéalis, including schools, charities, ex-forces and professionals returning after career breaks.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 promoting a diverse and inclusive community - a place where we can all be ourselves, thrive and develop. To help embed inclusion for all, from day one, we offer a range of family friendly, inclusive employment policies, flexible working arrangements and employee networks to support staff from different backgrounds. As an Equal Opportunities Employer, we value applications from all backgrounds, cultures and ability.#LI-INFRASTRUCTURE | #LI-UK

Robert Santiago: A life of design, engineering, and innovation

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Asia

Content type

Blogs

Publish date

05/14/2025

Summary

Civil engineering is the backbone of modern infrastructure and a blend of creativity, technical expertise, and vision. Few professionals embody these qualities as comprehensively as Robert Santi

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Explore Robert Santiago's 25+ years in civil engineering. From Tsui Ping River to mentoring young talent, learn about design innovation and impactful leadership.

Robert Santiago: A life of design, engineering, and innovation

Preview

Asia

Content type

Blogs

Publish date

05/14/2025

Summary

Civil engineering is the backbone of modern infrastructure and a blend of creativity, technical expertise, and vision. Few professionals embody these qualities as comprehensively as Robert Santi

Preview

Explore Robert Santiago's 25+ years in civil engineering. From Tsui Ping River to mentoring young talent, learn about design innovation and impactful leadership.

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Exploring transportation jobs in the US with AtkinsRéalis

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USA

Content type

Blogs

Publish date

11/25/2024

Summary

From Roadway Engineers to Traffic Management Specialists, transportation jobs are essential to keeping the US economy moving. Better travel improves daily lives, too. Our work in planning, design

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From Roadway Engineers to Traffic Management Specialists, transportation jobs are essential to keeping the US economy moving.

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USA

Content type

Blogs

Publish date

11/25/2024

Summary

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How you can make a difference in a sustainability job in the US

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USA

Content type

Blogs

Publish date

11/25/2024

Summary

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Learn about the importance of sustainability, the diverse career opportunities, and our pledge for a sustainable tomorrow.

Sustainability

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Europe

Content type

Blogs

Publish date

09/04/2024

Summary

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Middle East

Content type

Blogs

Publish date

07/22/2024

Summary

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India

Content type

Blogs

Publish date

09/26/2023

Summary

Discover how AtkinsRéalis is more than a workplace – it's a thriving ecosystem that fosters growth, development, and professional achievement. Join us as we delve into the stories of three rema

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Join us as we delve into the stories of three remarkable individuals who embarked on their Chartership journeys at AtkinsRéalis.

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USA

Content type

Blogs

Publish date

05/08/2023

Summary

How did you get interested in water and coastal issues? I have been interested in water and coastal issues ever since I was a child. I grew up along the Puget Sound in Washington State and have expe

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Find out how Grace Morris launched her career at AtkinsRéalis.

People drive results

Diversity and flexible working help us deliver success on Operations & Maintenance projects in Qatar

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Middle East

Content type

Blogs

Publish date

11/18/2021

Summary

Operations Manager, Victoria Al Khoury works in Qatar for our Operations & Maintenance business. She started out her career in Dubai as an electrical site engineer, and after few years, when her

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People and communities

What does the role of a mechanical building engineer involve?

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USA

Content type

Blogs

Publish date

08/10/2021

Summary

Mechanical building engineering is a broad field. The role of a mechanical building engineer is exciting and multifaceted, and no two days are the same. On a large and complex project, you may be

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Develop you career as a mechanical building engineer in North America

Proud to deliver a world-class waterpark in Doha

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Middle East

Content type

Blogs

Publish date

06/04/2021

Summary

Domiciled in the premier hospitality and leisure hub of Qetaifan Island North (QIN), Doha, Qatar, Aquatar is a world-class fully themed waterpark and the island’s main attraction. Conceptualized on th

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Senior / Principal Mechanical Building Services Engineer

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