Principal Security Engineer

Black & White Engineering; Greater London; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Career growth

Mentorship program

International exposure

Collaborative culture

Job summary

Black & White Engineering is seeking a Principal Security Engineer to lead security engineering across complex data centre projects. You will shape security standards, provide technical assurance and mentor multidisciplinary teams in the UK and beyond.

You will act as a trusted authority on security design, engage with clients and stakeholders, and influence project outcomes with rigorous risk management and best-practice approaches.

Qualifications

• Deliver security engineering solutions in built environment or critical infrastructure.
• Lead security design activities and provide engineering assurance on large projects.
• Understand physical security principles, risk management, and system integration.
• Coordinate with multidisciplinary engineering and project delivery teams.
• Communicate effectively with clients, stakeholders and specialists.
• Mentor and influence others while upholding high technical standards.

Responsibilities

• Lead development and review of physical and electronic security design solutions across complex engineering projects.
• Provide technical assurance and governance throughout project lifecycles.
• Act as principal security engineering authority within multidisciplinary design teams.
• Engage with clients and project teams to translate objectives into engineering solutions.
• Identify project risks, vulnerabilities and mitigation strategies.
• Review and mentor the work of colleagues.
• Contribute to security standards and continuous improvement initiatives.

Skills

Security engineering leadership

Security design

Client engagement

Mentoring others

Communication

Job description

Security is fundamental to the resilience, reliability and success of modern digital infrastructure. As a Principal Security Engineer at Black & White Engineering, you will play a leading role in shaping and assuring security strategies across some of the most complex and technically demanding projects within the global data centre sector. This is an opportunity for an experienced security professional to combine deep technical expertise with strategic influence. You will act as a trusted authority across multidisciplinary project teams, helping to define security standards, challenge assumptions, solve complex engineering problems and ensure that security considerations remain embedded throughout the design and delivery process. If you enjoy leading technical discussions, mentoring others and influencing the future direction of security engineering, this role offers the platform to do exactly that.

What's in It For You

• Technical Leadership - Take ownership of security engineering decisions on highly complex projects, providing technical assurance and helping shape best practice across the wider business.
• Influence & Innovation - Contribute to the development of security standards, methodologies and design approaches, helping drive continuous improvement and technical excellence.
• Complex Project Exposure - Work on large-scale, mission-critical developments where security performance, resilience and operational continuity are essential project requirements.
• Career Growth - Develop your profile as a recognised technical leader within a growing international consultancy, with opportunities to expand your influence across multiple regions and sectors.
• Mentorship & Team Development - Support and guide engineers and specialists across the business, sharing expertise and helping to raise technical capability throughout the organisation.
• Values-Driven Culture - Join a collaborative environment built around accountability, integrity, simplicity and supportiveness, where technical expertise is valued and contributions are recognised.

What You'll Be Doing

• Lead the development and review of physical and electronic security design solutions across complex engineering projects.
• Provide technical assurance and governance throughout project lifecycles, ensuring compliance with relevant security requirements and standards.
• Act as the principal security engineering authority within multidisciplinary design teams.
• Engage with clients, stakeholders and project teams to understand security objectives and translate them into practical engineering solutions.
• Identify project risks, security vulnerabilities and potential operational challenges, providing clear recommendations and mitigation strategies.
• Review and mentor the work of colleagues, supporting technical development and knowledge sharing.
• Contribute to business-wide security standards, processes and continuous improvement initiatives.

Essential Skills

• Strong experience delivering security engineering solutions within the built environment, critical infrastructure or similarly complex sectors.
• Proven ability to lead technical security design activities and provide engineering assurance on large or technically challenging projects.
• Strong understanding of physical security principles, risk management and security system integration.
• Experience coordinating with multidisciplinary engineering and project delivery teams.
• Excellent communication skills with the ability to engage effectively with clients, stakeholders and technical specialists.
• Demonstrated ability to mentor, guide and influence others while maintaining high technical standards.

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