Senior Manager, Data Center Security

About Nscale

Nscale is the GPU cloud engineered for AI. We provide cost-effective, high-performance infrastructure for AI start-ups and large enterprise customers. Nscale enables AI-focused companies to achieve superior results by reducing the complexity of AI development. Our GPU cloud bolsters technical capabilities and directly supports strategic business outcomes, including cost management, rapid innovation, and environmental responsibility. We thrive on a culture of relentless innovation, ownership, and accountability, where every team member takes pride in their work and drives it with excellence and urgency. As an Nscaler, you’ll build trust through openness and transparency, where everyone is inspired to do their best work. If you join our team, you’ll be contributing to building the technology that powers the future.

About The Role

Nscale is rapidly expanding its AI-focused data centre estate across Europe. The Senior Manager, Data Center Security is accountable for the design, assessment, compliance, and continuous improvement of physical security controls across all Nscale-owned and colocation data centres. This role is exclusively focused on data centre physical security. You will ensure every site meets Nscale’s internal standards and the physical security requirements aligned to ISO 27001, ISO 22237, SOC 2, Cyber Essentials Plus, NIS2, NCSC guidance, and customer-specific expectations. The role requires hands-on engagement and regular travel across EMEA to assess facilities, validate controls, oversee remediation activities, and ensure ongoing compliance and operational security across the estate.

What You’ll Be Doing

• Physical Security Assessment & Compliance
  • Performing structured physical security assessments of Nscale data centres against ISO 27001 Annex A, ISO 22237 Part 6, SOC 2 physical controls, Cyber Essentials Plus, NIS2, and NCSC guidance.
  • Assessing both existing and proposed data centre sites, identifying gaps in physical hardening, zoning, access control, monitoring, and resilience.
  • Producing clear gap analysis reports with prioritised remediation plans, cost estimates, and implementation timelines.
  • Maintaining a consistent, estate-wide physical security standard aligned to ISO 22237 design and construction principles.
  • Supporting internal audits, customer audits, site visits, tenders, and security due diligence activities.
• Design & Security Architecture
  • Designing and costing physical security solutions including perimeter fencing, barriers, and standoff controls.
  • Access control systems (readers, controllers, authentication methods).
  • CCTV systems with appropriate coverage, retention, and monitoring.
  • Security zoning, cages, mantraps, turnstiles, and suite segregation.
  • Intrusion detection, alarms, and environmental sensors.
  • Secure loading bays, visitor management, and contractor access processes.
  • Embedding physical security requirements into new data centre builds and upgrade projects.
  • Translating hyperscale and enterprise customer security requirements into practical, cost-effective facility controls.
• Delivery, Suppliers & Site Engagement
  • Engaging and managing local suppliers, integrators, and contractors across EMEA.
  • Coordinating installation, upgrades, and commissioning activities with Nscale deployment, engineering, and operations teams.
  • Ensuring all works meet ISO 22237 quality standards, ISO 27001 controls, and NCSC best practice.
  • Conducting acceptance testing and validating that controls operate as designed.
  • Ensuring all documentation, drawings, as-built designs, and maintenance records are stored in Nscale’s DMS.
• Operational Oversight
  • Working with data centre operators and guarding providers to ensure appropriate staffing, monitoring, and escalation procedures.
  • Reviewing physical security incidents, access anomalies, and CCTV events, and driving corrective actions.
  • Ensuring physical security systems are maintained, tested, and faults resolved promptly.
  • Acting as the physical security subject matter expert for Nscale’s data centre estate.

About You

• Extensive experience in physical security management within data centres, critical national infrastructure, or high-security environments.
• Strong knowledge of ISO 27001 physical security controls, ISO 22237 design requirements, NCSC guidance, and NIS2 obligations.
• Proven experience assessing colocation facilities and negotiating remediation with third-party operators.
• Demonstrated ability to design, specify, and cost physical security systems across multiple sites.
• Experience delivering multi-site security upgrades and managing contractors across different countries.
• Strong written and verbal communication skills, with the ability to influence suppliers and partners.
• Willingness and ability to travel frequently across EMEA.

Nice to Have

• Experience with Genetec or similar access control and video management platforms.
• Experience supporting hyperscale or regulated customer audits.
• Project management certification.
• Exposure to high-density GPU, HPC, or critical compute environments.

What We Can Offer You

At Nscale, you’ll find a collaborative, supportive, and innovative environment where your contributions spark real impact. We’re building something extraordinary, and we want you at the core. Highly competitive package (base + equity) with reviews every 12 months. Join the fastest-growing tech startup, your chance to push boundaries, collaborate with brilliant minds, and make your mark on cutting-edge AI. Expect a dynamic progression plan tailored to your ambitions. Grow by trying new things, leading, challenging the status quo, and owning your impact, always with our full support.

Human-First Flexibility: We treat you as humans first. Our flexible workplace trusts Nscalers to deliver, giving you the autonomy to shape your day around life’s moments. Join our thriving remote-first team. Geography is no barrier to impact or connection. We build seamless virtual collaboration, empowering you, wherever you work.

Equal Opportunities Statement

We strongly encourage applications from people of colour, the LGBTQ+ community, people with disabilities, neurodivergent people, parents, carers, and people from lower socio-economic backgrounds. If there’s anything we can do to accommodate your specific situation, please let us know.

The responsibilities outlined in this job description are not exhaustive and are intended to provide a general overview of the position. The employee may be required to perform additional duties, tasks, and responsibilities as assigned by management, consistent with the skills and qualifications required for the role.