Senior Site Reliability Engineer Cloud Foundations

IPolarity LLC is a Professional Services firm composed of highly trained professionals with a wide range of experience in various industries. They are seeking a Senior Site Reliability Engineer to build and operate cloud foundations, implement governance guardrails, and mentor engineers on best practices.

Responsibilities:

• Build and operate AWS GovCloud and multi-account cloud foundations
• Work with AWS Organizations, Control Tower, and account provisioning automation
• Implement Service Control Policies (SCPs), landing zones, and cloud governance guardrails
• Develop reusable Terraform modules and secure "paved-road" cloud patterns
• Standardize VPC, IAM, prefix lists, and account-level controls
• Build automation using Python, Go, Ruby, or similar languages
• Support cloud compliance automation, FinOps reporting, and cost management
• Partner with engineering teams to implement secure and compliant cloud architectures
• Participate in production support, incident response, operational triage, and cost anomaly response
• Create documentation, runbooks, design notes, and audit-friendly operational records
• Mentor engineers on secure cloud adoption and best practices

Requirements:

• 10+ years of experience in SRE, Cloud Infrastructure, DevOps, Platform Engineering, or Infrastructure Software
• Strong hands-on experience with AWS multi-account environments
• Expertise in AWS Organizations, IAM, Terraform, and cloud governance
• Experience with infrastructure automation using Python, Go, Ruby, or similar
• Experience with cloud reliability, security, cost management, and developer experience
• AWS GovCloud experience
• FedRAMP High or DoD IL5 experience
• FIPS or other regulated cloud environments
• AWS Control Tower / Account Factory for Terraform (AFT)
• FinOps and cloud cost reporting
• Compliance and security automation
• Reusable Terraform modules and internal cloud platform patterns