Principal Mechanical Design Engineer

Company: Ashbys Consulting
Apply for the Principal Mechanical Design Engineer
Location: Oxfordshire
Job Description:

Overview

In this role you will lead mechanical design across RIBA stages for landmark projects, guiding project teams and ensuring high-performance HVAC solutions. You will manage key client accounts and represent the technical face of the projects in client and design meetings. The position sits in a growing, award-winning consultancy that prioritises sustainable, design-led outcomes. You drive technically excellent designs while shaping the client relationships and project delivery approach to support growth.

Responsibilities

  • Design, plan and coordinate projects through all RIBA Stages
  • Be a lead for particular projects
  • Attend client and design team meetings
  • Manage key client accounts
  • Produce high-performance mechanical building services engineering design for landmark projects
  • Produce Mechanical and HVAC design that meets Building Regulations and CIBSE guidelines

Key requirements

  • At least 6 years of experience in Mechanical Design Engineering
  • Familiar with Building Regulations and CIBSE guidelines
  • Experience in a client-facing role
  • Experience using Hevacomp for Mechanical Design
  • Good commercial awareness
  • client-facing
  • leadership
  • communication
  • Mechanical design for building services
  • HVAC design
  • Building Regulations compliance

…

Posted: October 1st, 2026