Opportunity: Senior Sustainability Engineer (Building Physics)

JOB TITLE: Senior Sustainability Engineer (Building Physics)

ROLE TYPE: Full Time (Permanent)

COMPANY: Mantis Energy Ltd (Company number 11144450)
OFFICE LOCATION: Wilmslow House, Grove Way, Wilmslow, SK9 5AG


  • Face to Face meetings around North West UK
  • Some remote working from home
  • Regular site visits around North West UK

REPORTING: You will report to the Managing Director


Are you an ambitious Senior Sustainability Engineer? Looking to work in an Exciting Low Energy Building Consultancy? We are looking for an Enthusiastic Senior Sustainability Engineer who is passionate about creating carbon neutral, sustainable and healthy building environments.

**This role will be the ideal fit for someone wanting genuine career progression – Our goal is for this person to progress into a Team Manager**


  • Domestic and Commercial Building Energy Models
  • Part L Calculations (SAP / SBEM)
  • Part O Overheating Calculations (TM59 / TM52)
  • Dynamic Energy Modelling (IES VE)
  • U-Value & Thermal Bridging Calculations (THERM)
  • Retrofit Coordinator Activities (PAS2035)
  • Heat Decarbonisation Planning (Public Sector PSDS)
  • PassivHaus Principles and / or Design

The Role

  • Designing Low Energy Buildings (Domestic, Commercial and Public Building Sectors)  
  • Working in a variety of Building Physics Skill Areas
  • Providing subject matter expert knowledge in Building Physics
  • Acting as a mentor for Junior Building Physics Engineers
  • Developing and improving technical systems in the business
  • Maintaining strong client relationships

Essential Experience

  • Minimum 5 years’ experience in energy consulting in the building sector
  • Minimum Bachelor’s Degree in Engineering, Environmental or Sustainability Related Degree

We are offering:

  • Total Compensation Package up to £52,500
  • Base Salary up to £45,000
  • Genuine Career Progression
  • 28 days Holiday (Plus 8 Days Public Holidays)
  • 6% Employer Pension Contribution
  • Comprehensive Training and Personal Development Plan
  • Monday to Friday (Flexi Start / Finish Time)


  • Private Medical Insurance
  • Holiday Buy and Sell Scheme
  • 1 Work from Home (WFH) day per week
  • Electrical Vehicle Scheme
  • Cycle to Work Scheme
  • Regular Company Funded Social Events


If you are interested in joining our team and have a strong educational background which aligns with our company core values then please email in your CV & Cover letter to our team who will review and send over the full job description.

Contact us to apply now