Senior Security Engineer, PKI & Secrets

CoreWeave is seeking a Senior Security Engineer to join their PKI & Secrets team. This role focuses on designing, implementing, and operating cryptographic infrastructure, including PKI hierarchies, secrets management platforms, and HSMs. You will collaborate with engineering teams to integrate these security capabilities across CoreWeave's global fleet, ensuring the confidentiality, integrity, and authenticity of data and systems.

• Design and operate PKI infrastructure, including CA hierarchies and certificate lifecycle management
• Manage and evolve secrets management platforms using HashiCorp Vault or similar
• Operate and scale HSM infrastructure, including PKCS#11 integration
• Develop key management and data encryption solutions
• Deliver PKI-based solutions for workload identity and mutual TLS
• Maintain and extend code signing infrastructure

• Must be a U.S. citizen or permanent resident.