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Cloud Security Engineer
Location
New York
Posted
18 days ago
Salary
$180K - $250K / year
Seniority
Senior
Job Description
Cloud Security Engineer
Polymarket
• Own and continuously improve Polymarket's AWS security posture across accounts, regions, and services — including IAM policies, SCPs, VPC segmentation, and account-level security baselines • Review and contribute to IaC modules that encode security defaults; integrate automated security checks into the deployment pipeline including policy-as-code validation and misconfiguration scanning • Own cloud-side security telemetry: CloudTrail, GuardDuty, Security Hub, Config Rules, VPC Flow Logs, and S3 access logging • Develop and tune detection logic for cloud-specific threats; partner with the SOC team on alert fidelity, incident response runbooks, and AWS-level investigations • Govern secrets management using AWS Secrets Manager and SSM Parameter Store; manage KMS key policies, rotation, and envelope encryption patterns • Drive remediation of findings from AWS Inspector, Security Hub, and third-party CSPM tooling; maintain benchmarks aligned to CIS AWS Foundations • Support audit and compliance activities (SOC 2, PCI-DSS, or similar) and conduct regular access reviews to identify and remediate privilege creep
Job Requirements
- 4+ years of experience in cloud security, cloud engineering, or a security-focused infrastructure role
- Deep, hands-on expertise with AWS security services: IAM, SCP, GuardDuty, Security Hub, CloudTrail, Config, KMS, WAF, Inspector, and VPC
- Hands-on experience writing infrastructure as code (Pulumi, Terraform, CDK, or equivalent) with a security-first mindset
- Strong understanding of AWS networking and how misconfigurations translate to real attack surface
- Proficiency in at least one scripting or programming language (Python, TypeScript, or Go) for automation and tooling
- Ability to evaluate architectural decisions for security risk and communicate findings clearly to engineering peers
- (Plus) Familiarity with Pulumi, specifically TypeScript-based stacks
- (Plus) Familiarity with Web3, blockchain infrastructure, or crypto-sector threat models
- (Plus) Experience securing containerized workloads on ECS or EKS, including image scanning and runtime security
- (Plus) AWS certifications: Security Specialty, Solutions Architect — Professional, or equivalent
- (Plus) Exposure to SOC 2 Type II or PCI-DSS cloud control requirements
Benefits
- Competitive salary & equity
- Unlimited PTO
- Full Health, Vision, & Dental coverage
- 401k match
- Hardware setup: new MacBook Pro, big display, & accessories
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