Data Centre Design Engineer - Lead / Consulting Inside IR35 | Long-term Contract 50% Remote | 50% European Travel (Expensed) IT Services Provider We are seeking an experienced Data Centre Design Engineer to join a major IT Services provider in a lead, design-assurance role supporting large-scale European data centre programmes. This is not a pure build role. You'll act as a technical authority, reviewing designs, shaping delivery plans, and overseeing implementation across complex, enterprise environments. Key Responsibilities Review and approve data centre designs (new build and expansion) Act as lead technical engineer / design authority Develop high-level delivery and implementation plans Provide technical governance throughout the project lifecycle Oversee implementation and resolve design or delivery risks Engage with internal teams, vendors, and customer stakeholders Support design sign-off and senior technical discussions Required Experience Strong experience delivering large-scale data centre deployments Proven data centre design background (compute, storage, network, power, cooling) Experience operating as a lead engineer or technical authority Able to translate designs into practical delivery plans Comfortable overseeing delivery rather than day-to-day build Willing to travel across Europe (approx. 50%) Desirable Exposure to AI / HPC data centre environments (e.g. GPU-dense, NVIDIA platforms) Experience with high-density, high-power DC designs Background working for an IT services provider or systems integrator Contract Details Inside IR35 Long-term contract potential 50% remote / 50% European travel (fully expensed) Competitive day rate (experience dependent) Apply now to discuss the role in more detail. ECS Resource Group are an Equal Opportunity Employer, for more information please click the following link: (url removed) In accordance with the Equality Act 2010, if you require an alternative form of application please click the following link: Flexible Application Process - (url removed)/work/flexible-application-process