{ “@context”: “http://schema.org”, “@type”: “JobPosting”, “title”: “Principal or Associate Electrical Engineer (Data Centres and Mission Critical)”, “description”: “
About Hoare Lea
Hoare Lea is a human‑centric, planet‑conscious engineering consultancy delivering sustainable solutions for the built environment.
About the Role
We are looking for a Principal / Associate Electrical Engineer to join our Data Centre & Mission Critical (MCDC) team.
Data centres are central to the modern economy, and the technology that powers them is evolving rapidly. In this role you will work across the full spectrum of the data‑centre sector – from early‑stage site appraisal and master‑planning to detailed design, live‑plant upgrades, test‑fits, commissioning and operational optimisation. You will engage with clients, produce reports and specifications, and support testing and commissioning activities to deliver high‑quality outcomes.
Responsibilities
- Own day‑to‑day technical delivery of electrical design services for data centre and mission‑critical projects.
- Lead development of initial strategic concepts that meet the brief and regulatory requirements.
- Act as a client‑facing engineer: attend project meetings, interpret and communicate the brief, and maintain stakeholder relationships.
- Coordinate multidisciplinary inputs (sustainability, acoustics, fire engineering, security, etc.) to deliver integrated building and campus solutions.
- Prepare and review design deliverables, specifications and technical reports, and contribute to proposals, scope development and bid content.
- Provide pragmatic technical input during early‑stage site appraisals, master‑planning and test‑fit studies.
- Oversee testing, commissioning and handover activities to maintain resilience and uptime.
- Support monitoring of fee expenditure, resource allocation and project delivery alongside the team leader.
- Mentor and develop junior staff, including apprentices and graduates.
Qualifications
- Proven experience as an Electrical Engineer (or closely related role) delivering mission‑critical and data‑centre projects.
- Experience with modern delivery processes and software/tools such as Revit, BIM workflows, electrical OM, Dialux and Relux.
- Demonstrable client‑facing consultancy experience working with clients, contractors and architects on design‑led projects.
- Strong technical judgement, collaborative mindset and open, generous approach to teamwork.
- Experience mentoring and supporting others to develop knowledge, skills and confidence.
Desired Specialist Experience
- Experience in mission‑critical and data‑centre engineering across new‑build, live operational upgrades, technical due‑diligence, feasibility studies and test‑fits.
- Exposure to large‑scale, multi‑megawatt data‑centre developments – from single 30–40MW buildings through to campus schemes 100–600MW.
- Understanding of hyperscale, colocation and enterprise/research data‑centre environments and differing client drivers around resilience, flexibility, speed to market and scalability.
- Experience of early‑stage site appraisal, master‑planning and test‑fit studies, assessing site constraints, utility availability, power supply, planning, topography, flood risk and plant strategy.
- Knowledge of critical power and cooling infrastructure including HV/MV systems, substations, UPS, generators, PDUs, cooling plant and resilient distribution strategies.
- Experience designing for resilience and uptime, including single‑point‑of‑failure reviews, FMEA, concurrent maintainability and Tier‑aligned design thinking.
- Interest or practical experience in high‑density and AI‑ready infrastructure (liquid cooling, direct‑to‑chip, immersion cooling, hybrid air/water solutions).
- Capability delivering works in live operational environments – plant replacement, refurbishment and phased upgrades while maintaining critical services and uptime.
- Experience of complex campus‑scale developments and coordinating multidisciplinary inputs (planning, utilities, sustainability, acoustics, air quality, fire engineering, security, infrastructure).
- Appreciation of energy efficiency and sustainability in mission‑critical design – PUE reduction, low‑carbon strategies, renewables integration, heat reuse, water efficiency and BREEAM / net‑zero objectives.
- Experience working across the UK and interest in international markets (particularly mainland Europe and the Nordics).
Benefits
- Private medical cover
- Electric vehicle salary‑sacrifice scheme
- Stock options
- 25 days of annual leave (increasing with service)
- Hybrid or flexible working arrangement
We welcome applications from all individuals and provide reasonable adjustments for candidates with disabilities or neurodivergent conditions.
#J-18808-Ljbffr”, “datePosted”: “2026-05-20”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Hoare Lea”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__436774041__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=299” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }Company: Hoare Lea
Location: London
Job Description:
About Hoare Lea
Hoare Lea is a human‑centric, planet‑conscious engineering consultancy delivering sustainable solutions for the built environment.
About the Role
We are looking for a Principal / Associate Electrical Engineer to join our Data Centre & Mission Critical (MCDC) team.
Data centres are central to the modern economy, and the technology that powers them is evolving rapidly. In this role you will work across the full spectrum of the data‑centre sector – from early‑stage site appraisal and master‑planning to detailed design, live‑plant upgrades, test‑fits, commissioning and operational optimisation. You will engage with clients, produce reports and specifications, and support testing and commissioning activities to deliver high‑quality outcomes.
Responsibilities
- Own day‑to‑day technical delivery of electrical design services for data centre and mission‑critical projects.
- Lead development of initial strategic concepts that meet the brief and regulatory requirements.
- Act as a client‑facing engineer: attend project meetings, interpret and communicate the brief, and maintain stakeholder relationships.
- Coordinate multidisciplinary inputs (sustainability, acoustics, fire engineering, security, etc.) to deliver integrated building and campus solutions.
- Prepare and review design deliverables, specifications and technical reports, and contribute to proposals, scope development and bid content.
- Provide pragmatic technical input during early‑stage site appraisals, master‑planning and test‑fit studies.
- Oversee testing, commissioning and handover activities to maintain resilience and uptime.
- Support monitoring of fee expenditure, resource allocation and project delivery alongside the team leader.
- Mentor and develop junior staff, including apprentices and graduates.
Qualifications
- Proven experience as an Electrical Engineer (or closely related role) delivering mission‑critical and data‑centre projects.
- Experience with modern delivery processes and software/tools such as Revit, BIM workflows, electrical OM, Dialux and Relux.
- Demonstrable client‑facing consultancy experience working with clients, contractors and architects on design‑led projects.
- Strong technical judgement, collaborative mindset and open, generous approach to teamwork.
- Experience mentoring and supporting others to develop knowledge, skills and confidence.
Desired Specialist Experience
- Experience in mission‑critical and data‑centre engineering across new‑build, live operational upgrades, technical due‑diligence, feasibility studies and test‑fits.
- Exposure to large‑scale, multi‑megawatt data‑centre developments – from single 30–40MW buildings through to campus schemes 100–600MW.
- Understanding of hyperscale, colocation and enterprise/research data‑centre environments and differing client drivers around resilience, flexibility, speed to market and scalability.
- Experience of early‑stage site appraisal, master‑planning and test‑fit studies, assessing site constraints, utility availability, power supply, planning, topography, flood risk and plant strategy.
- Knowledge of critical power and cooling infrastructure including HV/MV systems, substations, UPS, generators, PDUs, cooling plant and resilient distribution strategies.
- Experience designing for resilience and uptime, including single‑point‑of‑failure reviews, FMEA, concurrent maintainability and Tier‑aligned design thinking.
- Interest or practical experience in high‑density and AI‑ready infrastructure (liquid cooling, direct‑to‑chip, immersion cooling, hybrid air/water solutions).
- Capability delivering works in live operational environments – plant replacement, refurbishment and phased upgrades while maintaining critical services and uptime.
- Experience of complex campus‑scale developments and coordinating multidisciplinary inputs (planning, utilities, sustainability, acoustics, air quality, fire engineering, security, infrastructure).
- Appreciation of energy efficiency and sustainability in mission‑critical design – PUE reduction, low‑carbon strategies, renewables integration, heat reuse, water efficiency and BREEAM / net‑zero objectives.
- Experience working across the UK and interest in international markets (particularly mainland Europe and the Nordics).
Benefits
- Private medical cover
- Electric vehicle salary‑sacrifice scheme
- Stock options
- 25 days of annual leave (increasing with service)
- Hybrid or flexible working arrangement
We welcome applications from all individuals and provide reasonable adjustments for candidates with disabilities or neurodivergent conditions.
#J-18808-Ljbffr…
Posted: May 20th, 2026