Overview
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WE ARE HIRING – Mechanical Engineer III (Contract)
We are recruiting for a Mechanical Engineer III on behalf of our client. This is a contract position based in Ireland, and we are specifically seeking candidates who already have work authorisation in Ireland.
Key Responsibilities
* Support CFD analysis of airflow and cooling performance in data centres using tools such as HELYX, OpenFOAM, or similar.
* Post-process simulation results and prepare clear, visual summaries for senior engineers and stakeholders.
* Assist with validation of CFD models against real-world operational data and benchmarks.
* Collaborate with design and sustainability teams to assess cooling performance and water usage impacts.
* Support the development and refinement of in-house modelling tools for airflow and water use simulations.
* Document model assumptions, inputs, and interpretation of results.
* Participate in knowledge-sharing and training to learn company-specific CFD workflows and standards.
* Occasionally assist with thermal or water modelling for experimental designs or new technologies.
Basic Qualifications
* Bachelor’s degree (or currently pursuing one) in Mechanical Engineering, Aerospace, or a related field.
* Strong understanding of fluid dynamics and heat transfer fundamentals.
* Practical experience with CFD tools such as HELYX, OpenFOAM, ANSYS, or SimScale.
* Basic Python scripting and proficiency with Excel for data analysis.
* Excellent written and verbal communication skills.
* Eagerness to learn and adapt to company-specific design requirements and CFD workflows.
Preferred Qualifications
* 1–3 years of experience in HVAC, data centre cooling, electronics cooling, or building services.
* Familiarity with psychrometrics, airside economisers, or evaporative cooling systems.
* Exposure to automation or scripting for CFD workflows (Python, bash, macros, etc.).
* Awareness of sustainability metrics such as PUE or WUE.
Seniority level
* Mid-Senior level
Employment type
* Contract
Job function
* Engineering and Information Technology
* Industries
* IT Services and IT Consulting and Engineering Services
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