Senior Cloud Platform Security Engineer

CoStar Group

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Arlington, VARichmond, VA
Salary
$115,000–$203,000 / yr
Posted
74 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $182k
This role $159k
$103k most similar roles pay here $225k

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

About CoStar Group

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.

Most-posted roles

View all roles at CoStar Group

At a glance

TL;DR · Senior Cloud Platform Security Engineer

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.

What you'll do

  • Enforce security posture across AWS, GCP, and Azure using preventative and detective controls.
  • Manage Kubernetes workload protection including runtime monitoring, admission control, and network policies.
  • Secure AI-powered features by performing threat modeling and building guardrails against prompt injection.
  • Integrate automated scanning tools into CI/CD pipelines to automate security remediation.
  • Develop infrastructure as code (IaC) and scripts to scale security across all web applications.
  • Provide guidance to product development teams on secure coding practices and risk remediation.
  • Manage software supply chain security including SBOM generation and dependency vulnerability management.

What we're looking for

  • Bachelor's degree from an accredited university in Computer Science, Cybersecurity, or a related field.
  • 6+ years of hands-on security engineering experience.
  • Experience securing cloud-native environments, preferably AWS.
  • Experience with Kubernetes platform hardening and monitoring.
  • Proficiency in CI/CD pipelines, containerized deployments, IaC, and software supply chain security.
  • Ability to author scripts or IaC from scratch using Python, PowerShell, Ansible, CloudFormation, or Terraform.
  • Experience securing AI-powered applications, including threat modeling for LLM-based features and agentic systems.
  • Must be eligible to work full-time in the United States.

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