Are you an experienced Electrical Engineer looking to take a leading technical role on some of the most complex and demanding data centre projects in the market?

As a Principal Electrical Design Engineer, you will combine deep technical expertise with leadership and influence, helping to shape high-quality engineering solutions across large-scale international projects.

This role is idóneo for someone who enjoys solving complex electrical design challenges while acting as a trusted technical authority within project teams. You will lead electrical design delivery, support technical assurance activities and work closely with clients and multidisciplinary teams to create resilient, efficient and practical engineering solutions.

What’s in It For You

Technical Leadership - Take a leading role in the delivery of critical electrical systems for major data centre developments, influencing key design decisions and project outcomes.

Complex Engineering Challenges - Work on highly technical projects involving power distribution, resilience strategies, design coordination and critical infrastructure solutions.

Client Engagement - Collaborate directly with clients and key stakeholders, providing technical guidance and building trusted professional relationships.

Career Progression - Further develop your leadership profile while strengthening your influence across projects, teams and technical standards.

Mentoring & Knowledge Sharing - Support the development of engineers across the business through technical guidance, design reviews and knowledge-sharing initiatives.





Supportive Engineering Culture - Join a collaborative environment built around accountability, integrity, simplicity and supportiveness, where technical excellence is recognised and valued.

What You’ll Be Doing

- Lead the delivery of electrical design packages across major engineering and data centre projects.
- Provide technical leadership on power distribution, critical systems and resilience strategies.
- Coordinate with multidisciplinary teams to achieve integrated and efficient design solutions.
- Review and assure the quality of electrical engineering deliverables.
- Support project teams in resolving complex technical challenges throughout the design lifecycle.
- Participate in client meetings, technical presentations and design workshops.
- Mentor engineers and contribute to the development of engineering standards and best practices.

Essential Skills

- Strong experience in electrical building services or critical infrastructure design.
- Proven capability delivering complex electrical engineering projects.
- Strong understanding of electrical power distribution and associated design principles.




- Experience coordinating with multidisciplinary engineering teams and project stakeholders.
- Excellent communication and technical presentation skills.
- Relevant electrical engineering qualification and professional engineering background.

Learning & Development

You will be joining a community that focuses on learning and development through regular lunch and learn sessions and investment in accredited professional courses or educational programmes. You can set the pace for your professional development, and whatever path you choose, you will receive relevant support.

Company Overview

Black & White Engineering is a multi-award-winning engineering consultancy with offices across the UK, Europe, the Middle East and Asia Pacific.

We are a leading provider of engineering design services for the data centre sector, delivering expertise across Mechanical, Electrical and Plumbing (MEP), Civil and Structural, Power Systems, Sustainability, BIM, Design Management and wider specialist infrastructure disciplines.

Our teams support projects across all areas of the construction industry, offering practical, efficient design solutions that prioritise real-world installation, maintenance and operational performance.

As one of the fastest-growing consultancies in our industry, we offer genuine opportunities for progression. Many of our engineers have developed into leadership roles as the business has expanded. Joining Black & White Engineering means making a meaningful impact with clients and colleagues while receiving the recognition you deserve.

📌 Senior/Principal Electrical Engineer (Data Centres) (Madrid)
🏢 Black u0026 White Engineering
📍 Madrid