Mechanical Design Engineer

Company: Ethan James Group
Apply for the Mechanical Design Engineer
Location: Southampton
Job Description:

Overview

In this role you will lead mechanical building services design from concept through detailed delivery to support greener, smarter buildings. You’ll work within a collaborative team in Southampton on new builds, refurbishments and energy-efficiency projects. You drive practical solutions with net-zero thinking and high-quality outputs. You’ll engage across surveys, calculations and documentation to deliver tangible, sustainable building systems.

Pay / Benefits

  • competitive package
  • relaxed and friendly culture
  • varied projects
  • genuine room to grow

Responsibilities

  • Carry out site surveys and condition surveys
  • Design heating, hot and cold water, ventilation, cooling, drainage and low/zero-carbon systems
  • Produce AutoCAD drawings, specifications, equipment schedules and technical submissions
  • Complete design calculations using industry software
  • Support project management and contract administration

Key requirements

  • Mechanical building services design experience
  • Confident AutoCAD skills
  • Good attention to detail and practical, solutions-focused mindset
  • Strong IT skills, including Microsoft Office
  • Full UK driving licence
  • solutions-focused mindset
  • attention to detail
  • collaborative team player
  • AutoCAD
  • design calculations
  • heating, ventilation and air conditioning (HVAC)

…

Posted: September 30th, 2026