Mechanical Design Engineer

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

Job summary

Alternative Heat Ltd in Dundalk is seeking a Mechanical Design Engineer to drive mechanical design solutions for data center projects. You will develop detailed drawings, plant sizing, and BMS-related documentation, collaborating with clients and project teams.

The role offers a path to contribute to ongoing data center builds and requires proficiency in AutoCAD and MEP 3D tools, with site surveys and coordination across teams.

Qualifications

• Experience delivering mechanical design solutions for data center projects.
• Ability to produce installation drawings and technical schedules.
• Knowledge of BMS control panel drawings and descriptions of operation.

Responsibilities

• Deliver mechanical design solutions from proposal through installation and commissioning.
• Produce detailed installation drawings and plant selections.
• Complete heating and hot water load calculations for accurate plant sizing.
• Develop project-specific BMS control panel drawings and operation descriptions.
• Conduct site surveys to assess services and heating plant options.
• Collaborate with design team using AutoCAD and MEP 3D software.

Skills

Team collaboration

Problem solving

Tools

AutoCAD

MEP 3D design

Job description

Mechanical Design Engineer

Application Deadline: 21 October 2026

Department: Design

Employment Type: Permanent - Full Time

Location: Dundalk

Reporting To: Head of Design

Description

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
Location | Dundalk
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.