Head of AI Infrastructure Security

About Nava

Nava is building next-generation AI infrastructure and inference platforms designed to power the future of AI. As our infrastructure scales globally, security becomes foundational to everything we build.

We are looking for a Head of AI Infrastructure Security to define and lead the security strategy across our AI platform, GPU infrastructure, cloud environments, and customer-facing services. This role will own the end-to-end security posture of our AI infrastructure, ensuring our platform remains secure, resilient, and compliant while enabling rapid innovation.

What You'll Do

Security Strategy & Architecture

• Define and own the security architecture for Nava's AI infrastructure, GPU clusters, cloud platforms, and control plane.
• Establish security standards, policies, and governance frameworks across infrastructure, applications, and engineering teams.
• Design security controls that enable secure multi-tenant AI infrastructure while maintaining performance and scalability.
• Partner with Engineering and Product teams to embed security into platform architecture and software development lifecycles.

Infrastructure & Platform Security

• Secure GPU clusters, compute infrastructure, networking, storage, Kubernetes environments, and management systems.
• Lead hardening initiatives across firmware, operating systems, virtualization layers, container platforms, APIs, and infrastructure services.
• Protect tenant isolation and ensure strong identity, access management, and privilege controls across the platform.
• Drive secure infrastructure provisioning through Infrastructure-as-Code and policy automation.

Threat Detection & Incident Response

• Build and lead security monitoring, detection, and response capabilities.
• Develop processes for vulnerability management, threat intelligence, penetration testing, and continuous security assessments.
• Lead incident response for security events, conduct forensic investigations, and drive root cause analysis.
• Continuously improve security operations through automation, threat hunting, and proactive risk mitigation.

Governance, Risk & Compliance

• Own infrastructure security compliance across applicable global standards and customer requirements.
• Partner with internal teams to support security audits, certifications, and customer due diligence.
• Establish security policies, risk management frameworks, and operational controls aligned with industry best practices.
• Drive security awareness and secure engineering practices across the organization.

Cross-Functional Leadership

• Collaborate with Platform Engineering, GPU Cluster Engineering, Networking, SRE, Legal, Compliance, and Customer Success teams.
• Act as the executive security advisor for infrastructure, customer deployments, and strategic initiatives.
• Balance security requirements with operational efficiency and business objectives.

Team Leadership

• Build and lead a high-performing Infrastructure Security organization.
• Mentor security engineers and technical leaders.
• Foster a security-first engineering culture through education, automation, and continuous improvement.

What We're Looking For

• 12+ years of experience in Infrastructure Security, Cloud Security, Cybersecurity, or Platform Security.
• Proven experience leading security programs for large-scale cloud, infrastructure, or distributed systems.
• Deep expertise in the following areas:
• Cloud and infrastructure security
• Kubernetes and container security
• Linux systems security
• Network security and segmentation
• Identity and Access Management (IAM)
• Zero Trust architecture
• Security Operations (SOC), SIEM, and threat detection
• Infrastructure hardening and vulnerability management
• Experience designing secure multi-tenant platforms and protecting customer workloads.
• Strong understanding of secure software development and DevSecOps practices.
• Excellent leadership, stakeholder management, and communication skills.
  

Nice to Have

• Experience securing AI infrastructure, GPU clusters, HPC environments, or cloud-native platforms.
• Familiarity with NVIDIA GPU ecosystems, Kubernetes, RDMA/InfiniBand networking, confidential computing, and hardware security.
• Experience with SOC 2, ISO 27001, PCI DSS, or similar security and compliance frameworks.
• Security certifications such as CISSP, CCSP, CISM, or GIAC are an advantage.

Why Join Nava?

• Lead the security strategy for one of the world's most advanced AI infrastructure platforms.
• Build secure, scalable systems that power next-generation AI workloads.
• Partner with world-class engineering teams to solve complex security challenges at the intersection of AI, cloud, and infrastructure.
• Shape the security foundation of Nava's global AI platform from architecture through operations.

Skills: infrastructure security,security,teams,management,cloud,architecture,infrastructure,compliance,customer,platforms