Principle Electrical Design Engineer

90000 - 110000 per annumLondon, England Permanent Principal Electrical Design Engineer - Mission Critical (Data Centres)Location: London (with flexibility across Europe)An established, forward-thinking engineering and architecture consultancy is building out a new mission-critical business unit, focused on the delivery of large-scale, cutting-edge data centre projects across Europe. This is a rare opportunity for a Principal Electrical Design Engineer to play a key role in shaping and leading this capability from the ground up, working alongside senior leadership to define standards, build teams, and deliver high-performance infrastructure.The RoleYou will take a leading position in the development and delivery of modern data centre design, acting as both a technical authority and client-facing representative. This role combines strategic leadership, hands-on electrical design expertise, and programme oversight, with responsibility across the full project lifecycle-from concept through to detailed delivery.Key ResponsibilitiesLead electrical design for large-scale, mission-critical data centre projectsEngage directly with clients, managing upstream conversations and design briefsOversee design delivery downstream, coordinating with multidisciplinary engineering teamsDrive the design formation process, including resilience strategies, uptime requirements, and redundancy conceptsManage complex design programmes (e.g. coordinating 100+ drawing packages across M&E disciplines)Work closely with mechanical counterparts (cooling, BMS, etc.) to ensure fully integrated solutionsLiaise with existing data centre specialists to review progress and optimise project outputsCollaborate with structural and architectural teams within a broader design environmentSupport the growth of the team, including helping to recruit and develop M&E engineersAbout YouProven experience at Principal or Lead Electrical Engineer levelStrong background in data centre or mission-critical infrastructure designDeep understanding of:Power resilience and redundancy in modern data centresUptime classifications and mission-critical design principlesIntegration with modern cooling technologies and BMS systemsComfortable operating in a client-facing role, leading technical discussions and design strategyExperience managing complex design programmes and multidisciplinary teamsA collaborative mindset, with the ability to work across engineering and architectural disciplinesThe OpportunityJoin a modern, progressive consultancy with a strong reputation for innovationBe part of building a new capability area, with real influence on its direction and growthWork in a business that prioritises people, wellbeing, and work-life balance-where your time is respectedCollaborate with highly experienced leadership in a supportive, open-minded cultureContribute to some of the most advanced data centre projects in Europe