Careers


Join a team where engineering excellence meets purpose. At Johns Slater and Haward, we’re proud to be Chartered Building Services Consultants with a long history of delivering expert mechanical and electrical design solutions across a wide range of building types.

Why work with us?

We specialise in designing and consulting on the mechanical and electrical systems that bring buildings to life, from hospitals, universities, schools, cultural centres, commercial developments and residential properties. Our work covers everything from feasibility studies and energy-efficient system design to technical detailing and site support during construction.

Whether you’re a seasoned professional or an emerging talent, you’ll be part of a team trusted to deliver technically excellent, sustainable solutions in sectors that matter.

YOUR DEVELOPMENT

Culture & Growth

Interior of a modern bar and lounge area with a curved bar counter illuminated with warm lighting, surrounded by contemporary chairs and tables. The background features a white wall with large windows, digital screens, and shelves stocked with beverages. The ceiling has an artistic design with embedded lighting and a large pendant light.

Our culture is collaborative, supportive and forward-thinking. You’ll work with autonomy and be encouraged to contribute your ideas, while having the backing of experienced colleagues during critical project moments.

We’re committed to investing in the engineers of the future. You’ll benefit from:

  • Structured mentorship and support at all levels

  • Continuing professional development and training opportunities 

  • Attendance at industry events and conferences 

  • Hands-on experience across full project lifecycles
    Whether you’re aiming to become chartered, deepen technical expertise, or grow into leadership, you’ll find a path here.

  • Our Young Engineers Programme (YETI)

YOUR WORK

Meaningful, Varied & Impactful


As part of our team, you could be:

  • Developing mechanical and electrical designs for new buildings or refurbishments 

  • Delivering energy-efficient system strategies and compliance assessments 

  • Working through all project stages, from concept to detailed design and site support 

  • Helping clients meet sustainability goals and performance targets

  • Delivering 3D models


Our work spans across all sectors, offering a variety and challenge at every step.

Vacancies & Applications

We’re always on the lookout for talented people, from experienced Senior Mechanical and Electrical Professionals to ambitious trainees.

We’re looking for people who bring ambition, strong technical skills, and a genuine passion for excellent engineering. If that sounds like you, we’d be excited to hear from you.

Interested? Here’s what to do next.

Send us your CV & Cover Letter - we’ll be in touch with the next steps.