Staff Platform Security Engineer

New

PhantomFinancial Technology

However, we’re only open to candidates based in the US and Canada.Full-TimeStaff

Salary$200,000 to $250,000

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Job Details

7+ years of experience in platform security, cloud security, infrastructure security, or a closely related engineering role.
Deep, hands-on experience securing production AWS environments including IAM, networking, and secrets management.
Deep experience securing Kubernetes in production, preferably Amazon EKS, including RBAC, workload identity, and cluster hardening.
Experience designing or securing mission-critical systems with significant business impact.
Strong understanding of identity, authorization, least privilege, and blast-radius reduction.
Experience securing CI/CD and software supply chains, including GitHub Actions and workload federation.
Experience writing and reviewing infrastructure as code using tools such as Pulumi or Terraform.
Ability to write production-quality code or automation in TypeScript, Python, Go, or Rust.
High agency and ownership skills for taking problems from investigation to remediation.
Clear communication skills and a track record of cross-functional partnership.

Own and improve security across Phantom’s multi-account AWS environment.
Secure production Kubernetes environments running on Amazon EKS.
Design least-privilege access models for engineers, services, and automation.
Protect infrastructure supporting products and services that handle sensitive data.
Lead security design for new infrastructure and platform services.
Build reusable security controls using infrastructure-as-code tools.
Harden build, deployment, and release systems.
Build tools that identify and remediate cloud and Kubernetes risks at scale.
Partner with Infrastructure, SRE, and engineering teams to establish security standards.

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