Thermal Engineer
Confirmed on the employer's own hiring board on Oct 5, 2026. First seen by Alion on Oct 2, 2026. Vertiv scores B on the Alion truth index.
Thermal Engineer
Location: Letterkenny, Ireland
Travel: Approximately 20%
Employment Type: Full-time
Join Vertiv and Help Power the Future
At Vertiv, we design, manufacture, and service the critical infrastructure technologies that keep the world's most important applications running. From data centres and telecommunications networks to AI and cloud computing, our solutions enable a more connected world.
We are looking for a Thermal Engineer to join our growing team in Letterkenny. This is an exciting opportunity to work on innovative modular infrastructure projects supporting the Data Centre and Telecom sectors. You will be responsible for the thermal and mechanical design of customised modular solutions, ensuring reliable, efficient, and high-performance systems for some of the world's most critical applications.
About the Role
As a Thermal Engineer, you will be responsible for the design and development of mechanical systems within modular buildings, including heating, ventilation, cooling, plumbing, and fire suppression systems. Working closely with architectural, structural, electrical, manufacturing, and project delivery teams, you will support projects from concept and design through manufacturing, factory integration, commissioning, and customer handover.
This role offers exposure to the full project lifecycle and provides an excellent opportunity to develop expertise within the fast-growing data centre industry.
Key Responsibilities
- Support the development of construction documentation and detailed design packages.
- Prepare manufacturing and technical documentation.
- Provide engineering support during module assembly and integration activities within the Letterkenny facility.
- Support service teams and subcontractors during project execution.
- Participate in constructability reviews and provide technical feedback to the design team.
- Collaborate with project management, quality, manufacturing, testing, and construction teams to successfully deliver projects.
- Manage construction administration deliverables, including:
- As-built documentation
- Installation manuals
- Factory Acceptance Testing (FAT), including flushing and pressure testing activities
- Punch list support and close-out activities
- Collaborate with local service teams to improve project execution and implementation.
- Specify bills of materials and services required for project delivery.
- Coordinate with material suppliers and service providers throughout project execution.
- Provide engineering support during site construction, commissioning, and project handover activities.
- Support multiple concurrent projects while maintaining quality and delivery standards.
Qualifications & Experience
Essential
- Bachelor's or Master's degree in Mechanical Engineering, Process & Energy Engineering, Thermotechnics, Modelling & Simulation, or a related discipline.
- Minimum 1 year of experience in a similar engineering role.
- Proficiency in AutoCAD.
- Strong Microsoft Office skills, including Excel, Word, and PowerPoint.
- English language proficiency at B2 level or above.
- Strong analytical, organisational, and problem-solving skills.
- Excellent communication and teamwork abilities.
- High attention to detail and a proactive approach to engineering challenges.
Desirable
- Experience with Revit and Autodesk design tools.
- Experience within data centres, telecommunications, HVAC, building services, or modular construction environments.
- Knowledge of mechanical building systems, cooling technologies, plumbing systems, and fire suppression systems.
- Experience supporting factory integration, site commissioning, or construction activities.
What You'll Bring
- A customer-focused mindset.
- Drive, accountability, and a sense of urgency.
- Strong collaboration and stakeholder management skills.
- A commitment to quality, safety, and continuous improvement.
- The ability to work effectively in multidisciplinary teams and fast-paced project environments.
Why Join Vertiv?
- Work on cutting-edge infrastructure supporting AI, cloud computing, and mission-critical applications.
- Be part of a global engineering organisation serving customers in nearly 70 countries.
- Gain exposure to the complete project lifecycle, from design through commissioning and handover.
- Collaborate with industry-leading engineering specialists and project teams.
- Access ongoing professional development and career growth opportunities.
Our Values
At Vertiv, our culture is built around:
Safety
- Integrity
- Respect
- Teamwork
- Diversity & Inclusion
We encourage individuals who:
- Own It
- Act With Urgency
- Foster a Customer-First Mindset
- Think Big and Execute
- Lead by Example
- Drive Continuous Improvement
- Learn and Seek Out Development
Equal Opportunity Employer
Vertiv is committed to creating an inclusive workplace where everyone can thrive. We welcome applications from all qualified candidates regardless of age, race, religion, gender, sexual orientation, disability, veteran status, or any other protected characteristic.
Ready to help shape the future of critical infrastructure? Apply today and join Vertiv as a Thermal Engineer.