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We'll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow.  With more than 55,000 people in 40 countries, working with us offers an exciting range of opportunities to develop your career within a supportive and diverse team who always strive to do the right thing for our people, clients and communities.

People are our greatest asset, and we offer a competitive package to retain and attract the best talent. 

In addition to the benefits you’d expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. We also give back to our communities through our Collectively program which incorporates matched-funding, paid volunteering time and charitable donations.

Work-life balance and flexibility is a key focus area for us. We’re happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business.

About the opportunity\:

Our Critical Mission Solutions business – we are invested in you and your success. Everything we do - whether Aerospace, Defence, Intelligence, Information Technology, Cybersecurity, Nuclear, Automotive, or Telecommunications - is more than just a project. It is our challenge as human beings, too. That is why we bring a thoughtful and collaborative approach to every one of our partnerships.

It is our promise to challenge the status quo as we redefine how to solve the world's greatest challenges and transform big ideas into intelligent solutions for a more connected, sustainable world.

The team in Warrington requires a Senior HVAC Engineer to support the HVAC Capability team in all aspects of HVAC and Building Services.

Some of your duties will be\:

Design of ventilation systems from basic principles which shall include but not limited to\: Review of room data sheets/ Calculating required air change rates for free cooling, containment, etc./ Calculating airflow rates to enable duct sizing and pressure loss calculations for fan duties/ Develop HVAC Fire and Control Philosophy; Production of HVAC system design deliverables, specifying heat rejection plant (eg. air / water cooled condensers, heat pumps and heat recovery systems of varying types. The design of HVAC systems for cooling industrial process environments. Production of system schematics / Engineering Flow Diagrams (EFDs). Mentor junior staff, graduates and apprentices in nuclear ventilation design. *

We'll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow.  With more than 55,000 people in 40 countries, working with us offers an exciting range of opportunities to develop your career within a supportive and diverse team who always strive to do the right thing for our people, clients and communities.

People are our greatest asset, and we offer a competitive package to retain and attract the best talent. 

In addition to the benefits you’d expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. We also give back to our communities through our Collectively program which incorporates matched-funding, paid volunteering time and charitable donations.

Work-life balance and flexibility is a key focus area for us. We’re happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business.

About the opportunity\:

Our Critical Mission Solutions business – we are invested in you and your success. Everything we do - whether Aerospace, Defence, Intelligence, Information Technology, Cybersecurity, Nuclear, Automotive, or Telecommunications - is more than just a project. It is our challenge as human beings, too. That is why we bring a thoughtful and collaborative approach to every one of our partnerships.

It is our promise to challenge the status quo as we redefine how to solve the world's greatest challenges and transform big ideas into intelligent solutions for a more connected, sustainable world.

The team in Warrington requires a Senior HVAC Engineer to support the HVAC Capability team in all aspects of HVAC and Building Services.

Some of your duties will be\:

Design of ventilation systems from basic principles which shall include but not limited to\: Review of room data sheets/ Calculating required air change rates for free cooling, containment, etc./ Calculating airflow rates to enable duct sizing and pressure loss calculations for fan duties/ Develop HVAC Fire and Control Philosophy; Production of HVAC system design deliverables, specifying heat rejection plant (eg. air / water cooled condensers, heat pumps and heat recovery systems of varying types. The design of HVAC systems for cooling industrial process environments. Production of system schematics / Engineering Flow Diagrams (EFDs). Mentor junior staff, graduates and apprentices in nuclear ventilation design. * Knowledge and experience of UK regulations is essential. Able to produce and check psychrometric calculations. Knowledge of steam and condensate processes and steam system design. Use of industry standard software such as Hevacomp, Open Buildings, Autocad 2D/3D, Revit and Pipenet. Experience in the delivery of written work, eg. Functional Specifications, Basis of Design, Equipment Specifications and Validation and Verification plans. Extensive experience in delivering in Building Services design.

Our Culture

Our values stand on a foundation of safety, integrity, inclusion and diversity. We put people at the heart of our business and we truly believe that by supporting one another through our culture of caring, we all succeed. We value positive mental health and a sense of belonging for all employees. Find out more

We aim to embed inclusion and diversity in everything we do. We know that if we are inclusive, we’re more connected, and if we are diverse, we’re more creative. We accept people for who they are, regardless of age, disability, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you’re pregnant or on family leave. This is reflected in our wide range of Global Employee Networks centred on inclusion and diversity – ACE, Careers, Enlace, Harambee, OneWorld, Prism, Vetnet, and Women’s – find out more about our employee networks here.

We partner with VERCIDA to help us attract and retain diverse talent.  For greater online accessibility please visit www.vercida.com to view and access our roles. As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role

If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team.

Your application experience is important to us and we’re keen to adapt to make every interaction even better. We welcome feedback on our recruitment process and if you need more from us before deciding to join, then please let us know.

* Knowledge and experience of UK regulations is essential. Able to produce and check psychrometric calculations. Knowledge of steam and condensate processes and steam system design. Use of industry standard software such as Hevacomp, Open Buildings, Autocad 2D/3D, Revit and Pipenet. Experience in the delivery of written work, eg. Functional Specifications, Basis of Design, Equipment Specifications and Validation and Verification plans. Extensive experience in delivering in Building Services design.

Our Culture

Our values stand on a foundation of safety, integrity, inclusion and diversity. We put people at the heart of our business and we truly believe that by supporting one another through our culture of caring, we all succeed. We value positive mental health and a sense of belonging for all employees. Find out more

We aim to embed inclusion and diversity in everything we do. We know that if we are inclusive, we’re more connected, and if we are diverse, we’re more creative. We accept people for who they are, regardless of age, disability, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you’re pregnant or on family leave. This is reflected in our wide range of Global Employee Networks centred on inclusion and diversity – ACE, Careers, Enlace, Harambee, OneWorld, Prism, Vetnet, and Women’s – find out more about our employee networks here.

We partner with VERCIDA to help us attract and retain diverse talent.  For greater online accessibility please visit www.vercida.com to view and access our roles. As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role

If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team.

Your application experience is important to us and we’re keen to adapt to make every interaction even better. We welcome feedback on our recruitment process and if you need more from us before deciding to join, then please let us know.