Electrical Subject Matter Expert - Data Centre

AJ Group; Greater London; Hybride; GBP 90 000 - 140 000; Plein temps

Avantages offerts par ce poste

Flexible Working

Leadership Development

Innovation & Autonomy

CPD Support

Résumé du poste

AJ Group is seeking an Electrical Subject Matter Expert (SME) for its London data centre portfolio. The role requires deep expertise in high-density power distribution and mission-critical systems, with leadership responsibilities across design, commissioning and operations.

The successful candidate will act as the primary technical authority, guiding engineering teams, reviewing complex designs, and collaborating with sales for RFPs.

Qualifications

• 10+ years in electrical engineering, with 5+ years in data centres or mission-critical infra.
• Chartered Engineer status or professional registration.
• Strong knowledge of power distribution, BS 7671, NFPA, IEEE, and Uptime Institute Tier standards.

Responsabilités

• Design leadership for HV/MV/LV distribution, UPS, back-up generators, and switchgear ensuring redundancy.
• Draft basis of design documents and technical specifications to protect engineering standards.
• Monitor data centre infrastructure for energy savings, scalability and system optimisation.
• Lead root-cause analysis for electrical faults, outages or inefficiencies.
• Support sales/RFP with technical expertise and selection of design teams.
• Oversee commissioning and ongoing site operations to ensure design intent.

Connaissances

Electrical engineering

Mission-critical infra

Data centres

SCADA/BMS/EPMS

Formation

Chartered Engineer

Outils

SCADA/BMS/EPMS

Description du poste

Electrical Subject Matter Expert (SME) – Data Centre

Location: London with flexible working

Position Type: Full-time, Permanent

Reporting to: Head of Design

About the Client & Opportunity

Our client is an industry-leading, highly innovative data centre operator committed to delivering world-class reliability, scalability, and energy efficiency. Known for their forward-thinking approach to sustainable engineering, they are currently expanding their high-performance team.

They are seeking an experienced Electrical Subject Matter Expert (SME) to take ownership of critical electrical infrastructure. If you are a Chartered or Professional Engineer with a deep passion for mission-critical engineering, high-density power distribution, and cutting-edge energy solutions, this is your opportunity to make a massive impact on a rapidly growing hyperscale and multi-site portfolio.

Why Apply? (Benefits & Perks)

• Flexible Working: Enjoy a modern, hybrid work-life balance with flexible working arrangements
• Leadership Development: Clear pathway to future team leadership supported by a formal management training programme tailored to your career goals.
• Innovation & Autonomy: You will be the primary technical authority on electrical systems, researching and recommending novel approaches, green energy integration, and next-generation technologies.
• Continuous Professional Development: Full backing and support to maintain and proactively expand your professional credentials and skillset.

Main Job Responsibilities

As the primary technical advisor for all electrical systems, your responsibilities will span across design, optimisation, and collaboration:

• Design Leadership: Review, validate, and oversee complex electrical designs (HV/MV/LV distribution, UPS systems, backup generators, and switchgear) submitted by external vendors and consultants to ensure maximum redundancy and performance.
• Strategic Input: Draft strategic intent documents, basis of design documents, and technical specifications that protect the business's interests and establish engineering standards.
• System Optimisation: Monitor existing data centre infrastructure to identify opportunities for energy savings, scalability, and system optimisation.
• Troubleshooting: Lead root-cause analysis for any electrical faults, power outages, or system inefficiencies.
• Project & Commercial Support: Collaborate on the appointment of elite design and engineering teams for new facilities, and provide technical expertise to the sales/RFP process for prospective clients.
• Commissioning & Operations: Witness key commissioning activities to guarantee installed systems match design intent, and provide ongoing technical support to the site operations team.

What We Are Looking For

• Experience: 10+ years in electrical engineering, with at least 5 years dedicated to mission-critical infrastructure or data centres (ideally on the client/operator side).
• Technical Mastery: Deep knowledge of electrical distribution strategies, load calculations, SCADA/BMS/EPMS systems, and relevant industry codes (such as BS 7671, NFPA, IEEE, and Uptime Institute Tier standards).
• Communication: Exceptional ability to translate complex technical data into clear insights for both technical teams and leadership stakeholders.