Senior Security Engineer, Platform Security
Block
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How this pay compares to similar roles
This role pays less than 58% of similar roles. Most pay $151,000–$213,200 — the shaded band above. At the midpoint, this role pays about $159k versus about $182k for comparable roles.
Based on 240 similar postings.
Employer
CoStar Group is the leading provider of commercial real estate information, analytics, and online marketplaces, including CoStar, Apartments.com, and LoopNet platforms. Industry: Commercial Real Estate Data & Analytics
CoStar Group currently has 65 open roles on FindRole.
Listed pay typically runs $133,000–$190,000 across 63 roles with salary data.
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At a glance
As a Senior Cloud Platform Security Engineer, you will join the product platform security engineering group to build and operate centralized security controls for a suite of web applications. You will be responsible for enforcing security posture across AWS, GCP, and Azure using preventative and detective controls while managing Kubernetes workload protection strategies including runtime monitoring and admission control. A key focus involves securing AI-powered features, MCP server implementations, and agentic workflows by performing threat modeling and building guardrails against prompt injection. Your daily work involves integrating automated scanning into CI/CD pipelines and developing infrastructure as code using Python, PowerShell, Ansible, CloudFormation, or Terraform. You will utilize tools like Wiz, Datadog, and Snyk to secure cloud-native environments, manage software supply chain security, and provide guidance on secure coding practices to product development teams.
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What you'll do
What we're looking for
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