🚀 Building Services Design Manager

Building Services Design Manager - Leadership role with a clear path to become a Director 

At Mantis we are building something new and that means challenge, ownership and the opportunity to shape the future of a fast-growing Mechanical & Electrical Design and Build contractor.  

You won’t walk into a polished role or systems. You will create and build it.  

We’re looking for someone with technical and leadership expertise and who feels under-challenged in their current role. Someone that wants to develop a small team into a large powerhouse of an organisation. 

You will have experience in design work, leading teams, managing installations and building efficient teams & systems, all being delivered to our ISO integrated management system. Are you ready for: Impact, autonomy and a future leadership seat?  

This role is about relentless execution and leadership in all aspects of design, operations, improvements and business development.  

You will lead our Mechanical & Electrical team through the full life cycle of design & build projects, while also helping to design and build the internal systems we need to scale as well as developing new business opportunities. 

Your role will be instrumental in shaping both our project delivery and our team development. You will help develop engineers, build scalable systems from scratch. It’ll be challenging and extremely rewarding.  

This is a clear path to become a future Director of the company for the right driven individual. 

THE CHALLENGES: 

• We’re still building our internal systems, and you will help create and improve them 

• Your leadership will be critical as junior and senior engineers need guidance 

• You will be expected to own delivery, not just delegate 

• This is a growth-stage company, not everything is figured out and it will be dynamic 

BUT THE UPSIDE?  

• Your work will directly contribute to the UK’s Net Zero 2050 goal 

• You will shape the team, the systems, and the future of the business 

• You will be seen, trusted, and given space to grow into a future Director role 

• You will work on innovative, meaningful projects across domestic, commercial, and public sectors 

• You will have autonomy, trust and real ownership 

WHAT WE OFFER:

• Competitive Salary 

• Revenue Incentive Scheme 

• 28 days Holiday (Plus 8 Days Public Holidays) 

• 12% Overall Pension 

• Comprehensive Training and Personal Development Plan 

• Monday to Friday (Flexi Start / Finish Time) 

• Hybrid Working (2 days WFH / 3 days office-based) 

ADDITIONAL COMPANY BENEFITS:  

• Private Medical Insurance 

• Holiday Buy and Sell Scheme 

• Electrical Vehicle Scheme 

• Cycle to Work Scheme 

• Sustainable Volunteering 

• Regular Company Funded Social Events 

WHAT YOU WILL LEAD: 

• Providing Mechanical and Electrical Services Design (Domestic, Commercial and Public Building Sectors)  

• Leading Mechanical & Electrical Building Services Design projects through all stages 1 to 6 

• Supporting the Building Services Design process (RIBA 1-4) and services team 

• Supporting the construction process (RIBA 5-6) and project management / contracting teams 

• Supporting Low Energy Building Design (RIBA 1-4) and technical teams 

• Produce, review, and approve calculations, analyses, drawings, models, and technical reports. 

• Providing subject matter expert knowledge on Mechanical & Electrical Design 

• Acting as a mentor for junior Mechanical & Electrical Engineers 

• Developing and improving technical systems in the business 

• Developing and maintaining business relationships with clients, suppliers and experts 

TO BE SUCCESSFUL, THE FOLLOWING EXPERIENCE WILL BE REQUIRED: 

• Minimum 3 years’ experience managing technical teams 

• Minimum 5 years’ experience in building services design (Mechanical or Electrical)

• Minimum Bachelor’s Degree in Engineering Related Degree 

IF YOU WOULD LIKE TO START YOUR CAREER HERE AT MANTIS ENERGY, PLEASE APPLY WITH YOUR CV AND COVER LETTER OR FEEL FREE TO CONTACT US AT