Senior Cloud Security Engineer

Rescale is pioneering the future of engineering and scientific discovery. They are seeking a Senior Cloud Security Engineer to help secure the cloud infrastructure and identity systems that support their platform. The role involves hands-on work with cloud security, automation, and collaboration with engineering teams.

Responsibilities:

• Design, build, and harden cloud infrastructure and identity systems
• Build and maintain security automation and detection pipelines
• Evaluate and help secure the growing set of AI-assisted and agentic tools used internally (e.g., Claude Code, MCP servers, LLM-driven automation)
• Investigate and respond to security findings, including triaging authentication anomalies, reviewing access logs, and querying data via tools like Athena, CloudTrail Lake, or Superset
• Contribute to Infrastructure-as-Code (Terraform) for security controls, identity provisioning, and compliance-relevant configuration and monitoring
• Support secure network and cloud deployment designs for enterprise customer environments, partnering with engineering and customer-facing teams on requirements
• Research emerging cloud-native and AI security capabilities (including AI-enabled attack techniques) and translate findings into practical controls and internal guidance
• Write internal documentation, runbooks, and playbooks to scale security practices across the team

Requirements:

• 5+ years of experience in cloud-native security or DevSecOps
• 3+ years of experience with Bash or Python
• Deep, hands-on experience with a major cloud provider (AWS, Azure, GCP, or OCI)
• Experience with Infrastructure-as-Code (Terraform or similar) and identity/access management platforms (Okta, Azure AD, or similar)
• Real exposure to at least one of: OAuth/token architecture, AI/LLM-assisted tooling security, or agentic workflow design
• Solid understanding of operating systems and networking fundamentals
• Bachelor's degree in Computer Science or related field, or equivalent practical experience, but not required if you have the experience above