Lead Mechanical Design Engineer - Data Centres - Remote - Germany - 120,000 - 125,000 + Holidays + Package - LJB Recruitment

Job ID: lead-mechanical-design-engineer-data-centres-remotePosted: 2026-03-24Location: Europe, Frankfurt, GermanySalary: GBP 120,000 - 125,000 + Holidays + PackageEmployment Type: PermanentCompany: LJB & CoSenior / Lead Mechanical Design Engineer – Data Centres - Remote120,000 - 125,000 + Holidays + Package Location: Germany (Local Hire – Frankfurt / Berlin / Munich)A boutique-to-mid-size specialist engineering consultancy with a strong reputation in mission-critical and hyperscale data centre design is expanding its German team and is seeking a Senior / Lead Mechanical Design Engineer.This consultancy is recognised for delivering high-performance cooling and mechanical infrastructure for some of Europe’s largest data centre developments. Engineers work closely with clients, architects, and project delivery teams, playing a key role in shaping design strategies rather than simply producing drawings.You will lead the mechanical design on major data centre projects, acting as a technical authority within multidisciplinary teams and client-facing environments. Key Responsibilities• Lead mechanical design for hyperscale and colocation data centres

• Develop cooling strategies including chilled water, CRAH/CRAC, and liquid cooling systems
• Design and review HVAC systems, plant rooms, and mechanical distribution networks
• Manage coordination with electrical, structural, and architectural disciplines
• Review and approve mechanical calculations, specifications, and technical drawings
• Provide technical leadership across concept, detailed design, and IFC stages
• Support construction teams and commissioning activities
• Ensure compliance with German regulations and international standards

Requirements• Degree-qualified Mechanical Engineer / Building Services Engineer

• Proven data centre mechanical design experience (essential)
• Strong understanding of HVAC, chilled water systems, cooling redundancy, and thermal management
• Experience working within engineering consultancies or technical advisory roles
• Locally based in Germany (local hire only)

Why Join• Join a consultancy with a true engineering-led culture

• Long-term local role — no rotation or excessive travel
• Work on some of Europe’s most technically advanced data centres
• Strong career progression into principal and design leadership roles