We're Hiring Across Europe – Commissioning & Engineering Roles (Data Centers) | ROSSROSS is expanding our European delivery teams, and we're hiring experienced professionals across Commissioning and Engineering to support major Data Center programs. I'm keen to connect with commissioning professionals who want to join us at an exciting stage of growth, where new opportunities and fresh challenges await within our specialist group Open PositionsCommissioning Managers (Cx Managers)Cx Electrical EngineersCx Mechanical EngineersIntermediate Engineers (Electrical / Mechanical)Data Center experience essential LocationBased from our Dublin officeRoles include travel across Europe depending on project needs.About ROSSROSS specialises in providing Commissioning Engineering services to Clients, General Contractors, and PMC organisations.We offer expertise across all levels of Commissioning services, including:Factory Acceptance Testing (FAT).Site Acceptance Testing (SAT).Level 1–3 Commissioning.Level 4 - 5 CxA Commissioning.Integrated Systems Testing (IST).Commissioning Management.Project Augmentation & Embedded Client Support.Short‑ and long‑term technical contract roles.With a commitment to quality, safety, and engineering excellence, ROSS operates under:ISO 9001 – Quality ManagementISO 14001 – Environmental ManagementISO 45001 – Occupational Health & SafetyEN1090 – Execution Class 4Learn more: Qualifications (Role‑Dependent)For Commissioning Managers & Cx EngineersDegree or diploma in Mechanical, Electrical, Building Services, or related engineering discipline3–10+ years' experience in data center commissioning or mission‑critical projectsStrong understanding of:LV/MV electrical systems.Mechanical systems (HVAC, chilled water, CRAC/CRAH, pumps, etc.).Control systems / BMS / EPMS.IST processes & commissioning documentation.Experience leading multi-disciplinary commissioning teams (for Cx Managers).Commissioning standards & QA/QC processes.For Intermediate EngineersDegree in Mechanical, Electrical, or Building Services Engineering.2–5+ years' experience in data centers, industrial, or large‑scale MEP projects.Strong technical understanding & willingness to grow into Cx or Engineering roles.Excellent communication and documentation skills.General RequirementsAbility to travel across Europe for project assignments.Strong stakeholder and client‑facing communication skills.High attention to detail, safety‑focused, and process‑driven.EU/UK work eligibility depending on the project.Why Join ROSS?Work on Europe's largest Data Center programsBe part of a rapidly expanding engineering & commissioning specialist teamClear development pathways and competitive compensationHigh‑performance culture with a strong focus on quality and safetyHow to ApplyMessage me directly on LinkedIn for a confidential conversation.