Mechanical Design Engineer

Alternative Heat Ltd; Leinster; On-site; EUR 55,000 - 75,000; Full time

Job summary

Alternative Heat Ltd in Dundalk is seeking a Mechanical Design Engineer to deliver mechanical design solutions from proposal stage through to installation and commissioning on data center projects.

You will produce detailed drawings, select plant, complete heating and hot water load calculations, develop BMS panel drawings, conduct site surveys, attend design meetings, and collaborate with the design team using AutoCAD and MEP 3D software.

Responsibilities

• Deliver mechanical design solutions from proposal through to installation and commissioning.
• Produce detailed installation drawings, plant selections and technical schedules.
• Complete heating and hot water load calculations for accurate plant sizing.
• Develop BMS control panel drawings and operation descriptions.
• Conduct site surveys to assess services and heating plant options.
• Attend design meetings and report findings.
• Collaborate with contracts managers and commissioning teams to support wiring and controls.

Tools

AutoCAD

MEP 3D

Job description

Application Deadline

21 October 2026

Department

Design

Location

Dundalk

Team Overview

The Design department is responsible for developing innovative, practical, and fully coordinated mechanical and electrical building services solutions tailored to each project. Working closely with clients, project teams, and the BIM department, the design team transforms concepts into detailed, build-ready technical designs that meet regulatory standards, client specifications, and sustainability goals. Their work underpins the technical accuracy and efficiency of our installations, ensuring seamless integration from planning through to construction.

Role Overview

Due to continued growth we are looking to add to a further Mechanical Design Engineer to support the continued growth of our Data Center projects. This position offers an amazing opportunity for a candidate who wants to gain experience with a progressive and dynamic company.

Job Title

Mechanical Design Engineer

Hours

Monday-Thursday 8am-5pm and Friday 8am-3pm

Salary

Competitive Depending on Experience

Responsible to

Head of Design

What You'll be Doing

The role involves delivering mechanical design solutions from proposal through to installation and commissioning. Key responsibilities include producing detailed installation drawings, plant selections and technical schedules; completing heating and hot water load calculations to ensure accurate plant sizing; developing project-specific BMS control panel drawings and descriptions of operation; conducting site surveys of existing and new properties to assess services and heating plant options; attending design meetings and reporting findings; and working closely with contracts managers and commissioning teams to support commissioning and optimise BMS controls. The role also requires collaboration with an established design team using the latest AutoCAD and MEP 3D design software.