Principal Cloud Engineer; Network​/Security

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Role Summary
Cloud Reliability operates as a center of excellence for cloud and reliability engineering, delivering secure, scalable, and resilient cloud platforms to teams across the firm. The Principal Cloud Reliability Engineer is a senior individual contributor responsible for defining, building, and operating enterprise cloud foundations, with a strong emphasis on reliability, observability, automation, and operational excellence. The role combines enterprise technical authority with hands-on execution, ensuring that cloud platforms, particularly AWS Landing Zone, enable teams to deliver end-to-end applications that meet the firm’s availability, resilience, security, and risk expectations.

The Principal serves as a design authority, site reliability engineering leader, and escalation point for complex cloud platform challenges.

Responsibilities
The Principal Cloud Engineer (Network/Security) owns the architecture, implementation, and reliability outcomes of enterprise cloud platforms. The role balances strategic leadership with direct contribution, driving reliability standards while remaining hands-on in critical areas of platform engineering, automation, observability, and incident response.

• Lead the design, architecture, and evolution of enterprise cloud platforms, including AWS Landing Zone.
• Ensure cloud foundations are designed for high availability, fault tolerance, recoverability, security, and operational resilience.
• Design and implement cloud solutions using AWS services such as Amazon EC2, Amazon S3, Amazon ECS, Amazon EKS, Elastic Load Balancing, Amazon RDS, Route 53, AWS Lambda, and Amazon API Gateway.
• Design and automate advanced AWS networking solutions, including virtual private clouds, Transit Gateway, VPC peering, AWS Private Link, and AWS Direct Connect.
• Build and maintain infrastructure as code using Terraform, Cloud Formation, Ansible, and Git-based workflows.
• Own site reliability engineering outcomes across cloud platforms and drive adoption of reliability engineering practices.
• Standardize reusable modules, reference architectures, and platform patterns that promote consistent and reliable deployments at scale.
• Define and enforce reliability standards, including availability targets, recovery expectations, resilience patterns, and operational readiness criteria.
• Ensure instrumentation, monitoring, logging, alerting, and service health measures are embedded into platforms and services.
• Act as the escalation point for complex incidents, leading root‑cause analysis and long‑term remediation.
• Design and implement guardrails that enable secure, reliable, and self-service cloud adoption.
• Enable application teams to own end-to-end…