Principal Security Engineer

Sustainable Infrastructure; City Of London; On-site; GBP 60,000 - 85,000; Full time

Job summary

Sustainable Infrastructure in the UK seeks a Principal Security Engineer to lead security design for data centres and mission-critical infra­structure. The role combines physical and electronic security, client engagement and multidisciplinary coordination to deliver high‑quality designs.

You will mentor engineers, contribute to technical standards and help grow the security team, with potential progression toward senior leadership. Strong leadership and design oversight are essential.

Qualifications

• Significant experience in physical and electronic security design.
• Experience delivering security designs for major construction or complex infrastructure projects.
• Proficiency with AutoCAD, Revit, Navisworks, BIM or similar tools.

Responsibilities

• Lead physical and electronic security design from concept through detailed design.
• Design and review CCTV, access control, intruder detection, alarm and perimeter security systems.
• Prepare and review technical drawings, specifications and design documentation.
• Coordinate security systems with architectural, MEP, ICT and other engineering disciplines.
• Use design tools including AutoCAD, Revit, Navisworks and BIM platforms.
• Take technical ownership of design quality, risks and project deliverables.
• Manage design activities across multiple projects and attend client meetings.
• Build client relationships, provide technical guidance and resolve complex design issues.
• Mentor engineers and contribute to technical standards and team development.

Skills

Security design

Technical leadership

Client engagement

Mentoring

Coordination

AutoCAD

Revit

Navisworks

Tools

AutoCAD

Revit

Navisworks

BIM

Job description

Principal Security Engineer

Location: Manchester (preferred) or London, UK

Employment Type: Permanent, Full-time

Sector: Data Centres / Mission-Critical Infrastructure

Salary: £60,000-£75,000 Manchester | Up to £85,000 London (indicative)

About the Role

An international engineering design consultancy is seeking a Principal Security Engineer to support major data centre and mission-critical infrastructure projects. This is a hands-on technical leadership role, combining physical and electronic security design, client engagement, multidisciplinary coordination and team development.

The successful candidate will help strengthen the security engineering team, mentor engineers and contribute to the growth of the business, with potential progression to Associate Director.

Key Responsibilities

• Lead physical and electronic security design from concept through detailed design.
• Design and review CCTV, access control, intruder detection, alarm and perimeter security systems.
• Prepare and review technical drawings, specifications and design documentation.
• Coordinate security systems with architectural, MEP, ICT and other engineering disciplines.
• Use relevant design and coordination tools, including AutoCAD, Revit, Navisworks and BIM platforms.
• Take technical ownership of design quality, technical risks and project deliverables.
• Manage design activities across multiple projects and attend client meetings and design reviews.
• Build client relationships, provide technical guidance and resolve complex design issues.
• Mentor engineers and contribute to technical standards and team development.

Essential Requirements

• Significant experience in physical and electronic security systems design.
• Engineering design consultancy or similar technical design experience.
• Experience delivering security designs for major construction or complex infrastructure projects.
• Strong knowledge of CCTV, access control, intruder detection and associated security systems.
• Experience reviewing technical designs and coordinating multidisciplinary packages.
• Proficiency with AutoCAD, Revit, Navisworks, BIM or similar tools.
• Proven technical leadership, mentoring and client-facing skills.
• Ability to manage multiple projects and take responsibility for technical deliverables.

Desirable Experience

• Data centre or mission-critical infrastructure projects.
• Large commercial, industrial, healthcare, pharmaceutical or transport developments.
• Experience improving design standards and supporting team growth