Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Lead mechanical design and develop decarbonisation strategies for impactful projects.
- Company: Join S I Sealy, a carbon-neutral leader in building services engineering since 1949.
- Benefits: Enjoy flexible hours, hybrid working, and a generous holiday allowance including your birthday off.
- Why this job: Make a real difference in sustainability while mentoring the next generation of engineers.
- Qualifications: Expertise in IES VE and relevant low-carbon certifications required.
- Other info: Be part of a supportive culture focused on professional growth and innovation.
The predicted salary is between 36000 - 60000 £ per year.
Location: Stockport
Ref: 0013
Contract: Full Time
Closes: 28/02/2026
Are you an expert IES VE user with a passion for decarbonisation design? We have an exciting opportunity for a highly experienced mechanical building services design engineer to join our award-winning practice. Established in 1949, S I Sealy is the region’s leading employer of building services engineering talent and a previous winner of the CIBSE National Employer of the Year award.
About S I Sealy
- We work with high-profile clients locally and nationally on projects that make a real difference.
- We are at the forefront of helping organisations achieve net zero, using cutting-edge software and innovative design.
- Our culture is open, friendly and supportive, with a strong focus on professional growth.
- We are a Carbon Neutral business, verified to PAS2060.
- Hybrid working and flexible hours to support work-life balance.
Why this role is different
You will play a key role in delivering net zero and decarbonisation strategies, supported by advanced modelling tools. Your expert-level proficiency in IES VE will be central to producing detailed thermal modelling and energy analysis for complex projects. LCC (Low Carbon Consultant), LCEA (Low Carbon Energy Assessor) or NDEA are mandatory for this role. You will lead mechanical design on major projects, mentor junior engineers, and influence sustainable design outcomes.
You will:
- Lead mechanical design and coordination across commercial, public sector and healthcare projects.
- Produce detailed engineering designs using IES VE, AutoCAD, and Revit, ensuring compliance with energy efficiency and low or net zero carbon requirements.
- Develop decarbonisation strategies for new and existing buildings.
- Manage client relationships and support business development.
- Mentor junior engineers and contribute to technical leadership within the team.
What We’re Looking For
- Exceptional proficiency in IES VE and demonstrable experience in thermal modelling and energy analysis.
- Strong interest and experience in decarbonisation design and low-carbon technologies.
- Essential Qualifications:
- LCC (Low Carbon Consultant)
- NDEA/LCEA Level 5 (Low Carbon Energy Assessor)
- ocDEA (On Construction Domestic Energy Assessor)
- DEA (Domestic Energy Assessor)
- One Click LCA
- NABERS
- CP1 – Heat Networks
- Other relevant sustainability and energy assessment certifications.
What We Offer
- Attractive salary and comprehensive benefits package:
- Private medical insurance
- Life insurance and income protection
- Stakeholder pension scheme
- Generous holiday allowance (including your birthday off)
- Flexible hours and hybrid working
- Quarterly incentive payments
- Ongoing professional development with customised training and monthly CPD seminars.
We are nice people – who look to make a difference. If that also describes you, come join us. S I Sealy is an Equal Opportunities employer. ISO9001/14001/45001 & 19650 certified and verified Carbon Neutral to PAS 2060.
Sustainability / Mechanical Building Services Engineer in Stockport employer: S I Sealy and Associates Ltd
Contact Detail:
S I Sealy and Associates Ltd Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Sustainability / Mechanical Building Services Engineer in Stockport
✨Tip Number 1
Network like a pro! Get out there and connect with industry professionals on LinkedIn or at local events. We all know that sometimes it’s not just what you know, but who you know that can land you that dream job.
✨Tip Number 2
Show off your skills! If you’re an expert in IES VE, don’t just say it – demonstrate it. Create a portfolio showcasing your best projects and be ready to discuss how you’ve tackled decarbonisation challenges in past roles.
✨Tip Number 3
Prepare for the interview like it’s the final exam! Research S I Sealy, understand their projects, and think about how your experience aligns with their goals. We want to see your passion for sustainability shine through!
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who take the initiative to engage directly with us. Let’s make a difference together!
We think you need these skills to ace Sustainability / Mechanical Building Services Engineer in Stockport
Some tips for your application 🫡
Show Off Your Skills: Make sure to highlight your expertise in IES VE and any relevant certifications. We want to see how your skills align with our focus on decarbonisation design and energy efficiency.
Tailor Your Application: Don’t just send a generic CV and cover letter! Tailor your application to reflect the specific requirements of the Sustainability / Mechanical Building Services Engineer role. We love seeing candidates who take the time to connect their experience with what we do.
Be Yourself: We’re all about an open and friendly culture, so let your personality shine through in your application. Share your passion for sustainability and how you can contribute to our mission of achieving net zero.
Apply Through Our Website: For the best chance of success, make sure to apply directly through our website. It’s the easiest way for us to keep track of your application and ensures you don’t miss out on any important updates!
How to prepare for a job interview at S I Sealy and Associates Ltd
✨Know Your IES VE Inside Out
Make sure you brush up on your IES VE skills before the interview. Be ready to discuss specific projects where you've used this software for thermal modelling and energy analysis. Highlight how your expertise can contribute to their decarbonisation strategies.
✨Showcase Your Passion for Sustainability
Prepare examples that demonstrate your commitment to sustainability and decarbonisation design. Talk about any innovative solutions you've implemented in past projects and how they align with the company's goal of achieving net zero.
✨Be Ready to Discuss Team Leadership
Since you'll be mentoring junior engineers, think of instances where you've successfully led a team or project. Share your approach to fostering collaboration and how you can help develop the next generation of engineers at S I Sealy.
✨Understand Their Culture and Values
Research S I Sealy's culture and values, especially their focus on professional growth and being a Carbon Neutral business. Be prepared to discuss how your personal values align with theirs and how you can contribute to their supportive environment.
