Lead Mechanical Design Engineer for Frankfurt Data Centre - Germany - 100k - 110k + package - LJB Recruitment

Job ID: lead-mechanical-design-engineer-frankfurt-data-centrePosted: 2026-03-24Location: -, GermanySalary: GBP 100k - 110k + packageEmployment Type: PermanentCompany: LJB & CoLead Mechanical Design Engineer Sector: Data Centres / Mission Critical Our client is an international design and design management consultancy specialising in data centre and mission-critical environments. They deliver end-to-end design solutions across Mechanical, Electrical, and CSA / Architectural disciplines for some of the world’s leading technology clients. They are now seeking an experienced Lead Mechanical Design Engineer to join the team on a hyperscale data centre project in Frankfurt, Germany for a top global technology client. This high-profile role offers the opportunity to lead the mechanical design of a technically complex, mission-critical facility from concept through to delivery.

The Role Reporting to the Design Manager / Project Director, the Lead Mechanical Design Engineer will take responsibility for all aspects of mechanical design, ensuring compliance with client requirements, international standards, and best practice in hyperscale and mission-critical environments.

Key Responsibilities: • Lead and deliver mechanical design packages for hyperscale mission-critical systems, including HVAC, chilled water, cooling, and redundancy systems • Coordinate with electrical, CSA, and architectural teams to ensure fully integrated, clash-free designs • Review and approve mechanical design calculations, drawings, and specifications • Lead value engineering, design optimisation, and buildability reviews • Liaise with clients, contractors, and consultants to ensure design intent, reliability, and quality standards are maintained • Mentor and guide junior mechanical engineers on the project team • Ensure all designs comply with health, safety, environmental, and sustainability requirements • Support construction-stage queries, site coordination, and commissioning activities as requiredRequirements • Degree-qualified in Mechanical Engineering or a related discipline

• Extensive experience designing mechanical systems for hyperscale or mission-critical data centres • Strong understanding of cooling, HVAC, chilled water, and high-reliability systems • Proven experience leading mechanical design teams on large-scale, technically complex projects • Familiarity with BIM and other digital design coordination tools • Strong communication, coordination, and stakeholder management skills • Fluency in English; additional European languages (German) advantageous • Willingness to be based in Frankfurt for the duration of the projectWhat’s on Offer • Competitive salary and benefits package • Opportunity to work on a hyperscale data centre for a top global technology client • Exposure to cutting-edge mission-critical mechanical design projects • Leadership role with responsibility for mentoring junior engineers • International career progression with a leading

design consultancy • Collaborative and innovative working environmentThis is a rare opportunity for an experienced mechanical engineer to take a lead design role on one of Europe’s largest and most technically complex hyperscale data centre projects.