Security Engineering Manager (Platform Security)

Join CoreWeave, the AI hyperscaler, as a Security Engineering Manager (Platform Security). In this hands-on engineering leadership role, you will lead and scale CoreWeave's Platform Security engineering function, focusing on building and operating security controls. You will define strategy and execution for cloud security posture, workload isolation, platform guardrails, image integrity, and multi-cloud security. You will lead and grow a team of platform security engineers and partner closely with Infrastructure, Platform Engineering, SRE, and other security teams.

• Lead and scale CoreWeave's Platform Security engineering function, focusing on building and operating security controls for Kubernetes-based platforms and public cloud environments.
• Define strategy and execution for cloud security posture, workload isolation, platform guardrails, image integrity, and multi-cloud security across CoreWeave's infrastructure.
• Lead and develop a team of platform security engineers through mentorship, technical direction, and performance management, ensuring platform security capabilities scale alongside the business.

• You have experience designing and operating security controls across multiple public cloud platforms (AWS, GCP, Azure), including IAM, account governance, and configuration management
• You communicate clearly and partner effectively across Infrastructure, Platform Engineering, SRE, and Security
• You are comfortable owning ambiguous problem spaces and turning them into clear technical plans and outcomes
• You have 5 to 10 or more years of experience in platform security, cloud security, infrastructure security, or adjacent security engineering domains
• You bring strong hands-on depth in Kubernetes security, including admission control, RBAC, network policy, runtime security, and workload isolation patterns
• You have 3 to 5 or more years of experience leading or managing engineers, either as a people manager or technical leader with people responsibility
• You prefer building and operating systems over writing policy documents
• Experience with CSPM platforms such as Wiz
• Experience with infrastructure-as-code tooling, especially Terraform
• Experience with container image signing and supply chain security tooling (Sigstore, Cosign, Chainguard)
• Experience with admission control frameworks such as OPA Gatekeeper or Kyverno
• Proficiency with automation or programming languages such as Go or Python
• Experience securing multi-tenant Kubernetes environments at scale
• Familiarity with security frameworks such as NIST, ISO, or SOC2 in the context of infrastructure and platform security
• Wondering if you’re a good fit? We believe in investing in our people, and value candidates who can bring their own diversified experiences to our teams – even if you aren't a 100% skill or experience match. Here are a few qualities we’ve found compatible with our team. If some of this describes you, we’d love to talk
• You enjoy building and scaling security engineering systems, not policy programs
• You are comfortable operating in ambiguity and making thoughtful tradeoffs
• You care deeply about developing people and creating healthy, high-performing teams
• You believe platform security should reduce risk while empowering engineers to ship with confidence
• You are energized by enabling a fast-growing business to move quickly and securely
• This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency