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Security Engineer, Cloud Infrastructure

Mercor· Security
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San Francisco or NYC$130k - $400kFull-timePosted 6mo ago

About the role

Security Engineer focused on cloud infrastructure security, owning multi-account AWS isolation, Kubernetes hardening, CSPM implementation, and IAM across AWS, Snowflake, and internal services for a multi-tenant SaaS environment.

Responsibilities

  • Multi-account AWS tenant isolation architecture - dedicated accounts, SCPs, network boundaries, and data segregation for enterprise clients
  • Cloud security posture management using Wiz CSPM - continuous monitoring, misconfiguration detection, and automated remediation
  • Kubernetes security hardening - pod security standards, network policies, secrets management, and runtime protection
  • Infrastructure-as-code security guardrails - Terraform/CloudFormation policies that prevent insecure deployments before they reach production
  • IAM architecture and least-privilege access controls across AWS, Snowflake, and internal services
  • Incident response infrastructure - logging pipelines, forensic readiness, and blast radius containment

Qualifications

  • Deep AWS security expertise - you've architected multi-account strategies, written SCPs, and hardened production environments
  • Experience with Kubernetes security in production - not just tutorials, you've secured real clusters running real workloads
  • Strong infrastructure-as-code skills - Terraform, CloudFormation, or Pulumi - you think in code, not console clicks
  • Experience with CSPM/CNAPP platforms (Wiz, Prisma Cloud, or similar) - deploying, tuning, and driving remediation
  • Understanding of network security at the cloud level - VPCs, security groups, transit gateways, PrivateLink
  • You've designed tenant isolation for multi-tenant SaaS - data segregation, compute isolation, network boundaries
  • 5+ years of professional experience in cloud security, infrastructure security, or platform/SRE engineering with a strong security focus

Skills

Required:AWS securityKubernetes securityInfrastructure as codeCSPM/CNAPP platforms

Benefits

  • Bi-annual performance bonus structure
  • Generous equity grant vested over 4 years
  • Up to $15k Relocation bonus
  • $10K housing bonus (if you live within 0.5 miles of our office)
  • $1.5K monthly stipend for meals
  • Free Equinox membership
  • $200 monthly laundry reimbursement
  • $200 monthly personal wellness reimbursement
  • Health, Dental, Vision insurance
Last updated Sep 9, 2026. Interested? Apply on the company site.

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