Mechanical Engineer – Infrastructure & Systems

About the role

We are partnering with a national organisation that operates safety‑critical infrastructure to hire an experienced Mechanical Engineer. The role is based in Dublin with a hybrid working model, offering exposure to large‑scale projects and complex operational environments.

Key responsibilities

• Provide technical input on the design, implementation and continuous improvement of site infrastructure and plant.
• Support power, cooling, building control and related systems, including upgrades, configuration changes and new service rollouts.
• Troubleshoot live issues, perform corrective and preventative maintenance, and manage return‑to‑service timelines with stakeholders.
• Conduct system testing and resilience checks to ensure high availability and robust performance across multiple sites.
• Maintain accurate technical documentation, asset records and configuration data.
• Liaise with vendors and service providers, monitor service levels and coordinate remedial works.

Required profile

• Degree in Electrical, Electronic, Mechanical, Building Services Engineering or a related discipline.
• 3+ years of experience in infrastructure, facilities or building‑services engineering supporting critical systems.
• Strong knowledge of plant, power distribution and control/monitoring systems, including diagnostics and fault‑finding.
• Proven analytical and problem‑solving abilities with the capacity to prioritize and manage a varied workload.
• Comfortable working to strict safety, security and procedural standards in a regulated environment.

Required skills

• Power distribution systems
• Cooling systems
• Building control systems
• Diagnostics
• Fault‑finding

What we offer

• Salary dependent on experience plus benefits (details disclosed at later stage).