Senior Energy Consultant
Listed on 2026-09-17
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Engineering
Energy Engineer, Environmental Engineer, Energy Management/ Efficiency, Mechanical Engineer -
Energy/Power Generation
Energy Engineer, Energy Management/ Efficiency
At Mantis we are looking for someone highly driven, ambitious and technically sharp who is ready to play a key role in delivering low energy building solutions.
As a company, we have grown to an exciting point since being established in 2018 and are continuing an ambitious high growth journey. As our Senior Energy Consultant, you will play a key role in supporting the delivery of projects while helping drive our shared vision of meeting the UK’s 2050 Net Zero Carbon Targets for Buildings.
As Senior Energy Consultant, you will become an integral part of a friendly and dynamic consultancy based in the heart of Wilmslow town centre and will play an important role in supporting the continued growth of the business.
The role will primarily focus on delivering building services design and low energy consultancy within the Low Energy Building Team
This role is about ownership: delivering high quality energy consultancy services, working closely with clients and our other teams, and a key role in the successful delivery of projects across domestic, commercial and public sector buildings.
Typically, your team projects will cover:
Energy Calculations (Part L), Air Pressure Testing, Dynamic Energy Modelling (Part L and Part O), Heat Loss Calculations, Thermal Bridging Calculations, PAS 2035 Retrofit Design & Coordination, Passiv Haus Design, Heat Decarbonisation Planning and Project Management Support Activities. You will develop your existing knowledge and skills in energy modelling and assist with the development of energy and sustainability strategies for new build and existing buildings.
- Total Compensation Package:
Up to £57,500 - Salary up to £50,000 (Depending on experience)
- 36 days Holiday (Including Public Holidays)
- 10% Overall Pension Contribution
- Comprehensive Training and Personal Development Plan
- Hybrid Working (2 days WFH / 3 days office-based)
- Monday to Friday (Flexi Start / Finish Time)
- Private Medical Insurance
- Holiday Buy and Sell Scheme
- Electrical Vehicle Salary Sacrifice Scheme
- Cycle to Work Scheme
- Sustainable Volunteering Day
- Regular Company Funded Social Events
- We are an equal opportunities employer
- Taking a leading role in the Low Energy Building Design Team
- Defining and updating Low Energy Building Design strategy
- Completing Low Energy Building Design (RIBA 1-4)
- Supporting the Building Services Design process (RIBA 1-4) and Building Services team
- Supporting the construction process (RIBA 5-6) and project management teams
- Acting as a mento for junior, graduate and placement energy consultants
- Providing subject matter expert knowledge in Low Energy Building Design
- Developing and improving technical systems in the business
- Developing and maintaining relationships with clients, suppliers and experts.
- Review and appraise Low Energy Building Consultants & Contractors
- Domestic and Commercial Building Energy Models
- Part L Calculations (SAP / SBEM)
- Part L Air Pressure Testing (ATTMA)
- Part O Overheating Calculations (TM59 / TM52)
- Dynamic Energy Modelling (IES VE)
- U-Value & Thermal Bridging Calculations (THERM)
- Heat Decarbonisation Planning (Public Sector PSDS)
- Moisture Risk Analysis (WUFI)
- Passiv Haus Principles and / or Design (Passiv Haus & EnerPHit)
- Specialist Survey
Experience:
Damp Proof Surveying, Thermal Imaging Assessments
REQUIRED:
- Minimum 5 years’ experience in Low Energy Building Design / Energy Consulting within the building sector
- Minimum 3 years’ experience in a senior position
- Member of a recognised professional body (or working towards membership).
- Minimum Bachelor’s Degree in Engineering, Environmental or Sustainability Related Degree or Suitable Qualifications (As per above Knowledge / Skills)
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