Lead Mechanical Test Engineer – Data Center Cooling

Johnson Controls, Inc.; Dublin; Hybrid; EUR 65,000 - 90,000; Full time

Benefits offered by this job

Pension contribution

Health care package

Membership of Engineers Ireland

Networking opportunities

Career development support

Job summary

Johnson Controls, Inc. is seeking an experienced Mechanical Test Engineer to lead testing across our data centre cooling product range, including CRAH units, AHUs, CDU systems and Fan Wall products.

You will design and execute product validation programmes, perform pressure, acoustic and leak testing, and present results to customers and stakeholders with practical, clear communications.

Qualifications

• Hands-on experience with mechanical testing and product validation.
• Experience with pressure, acoustic and leak testing systems.
• Ability to design and develop test rigs and procedures.
• Strong troubleshooting and root-cause analysis skills.
• Knowledge of sensors, instrumentation and data acquisition.
• Experience creating test scripts and automated sequences.
• Independent, proactive work style with ownership of complex tasks.
• Excellent written and verbal communication skills.
• Understanding of mechanical and HVAC systems in data centres.

Responsibilities

• Develop test procedures for pressure, airflow, acoustic performance and leak testing.
• Design and build test rigs and setups for validation activities using data acquisition systems.
• Develop RAMS, testing methodologies and client-facing results.
• Analyse test results and prepare detailed reports.
• Lead Factory Witness Test programs for new products and modifications.
• Ensure tests comply with industry standards and procedures.
• Troubleshoot issues, identify root causes, and drive corrective actions.
• Collaborate with design teams to embed validation early in development.
• Support FAT and customer witness testing; communicate findings to stakeholders.
• Obtain customer approval on methodologies and results; provide project support.

Skills

Mechanical testing

Pressure measurement

Test rig design

Troubleshooting

Instrumentation & data acquisition

Test scripting & automation

Independent work

Communication & presentation

Documentation & reporting

HVAC / data centre cooling

Education

Bachelor's degree in Mechanical Engineering

Job description

Johnson Controls, Inc. is seeking an experienced Mechanical Test Engineer to lead testing across our data centre cooling product range, including CRAH units, AHUs, CDU systems and Fan Wall products.

You will design and execute product validation programmes, perform pressure, acoustic and leak testing, and present results to customers and stakeholders with practical, clear communications.