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John Chris

@johnchris

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Senior Site Reliability Engineer at PWC, automating secure AWS delivery pipelines for Mastercard banking microservices.

Canada

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At PWC, I design secure delivery pipelines for Mastercard banking microservices, deploying Dockerized services to AWS ECS with automated rollback and release promotion. I also provide L2/L3 production support and participate in on-call rotations, root cause analysis, and permanent fixes.

Previously, I supported production reliability at CPP Investments and built cloud infrastructure and delivery automation across Azure, AWS, and Google Cloud. My work has included Kubernetes, infrastructure as code, GitOps, and observability for retail, insurance, and regulated healthcare platforms.

Experience

Work history, roles, and key accomplishments

Current

Senior Site Reliability Engineer

Current

PWC

Sep 2024 - Present (2 years 1 month)

Designed secure CI/CD pipelines and automated infrastructure provisioning for Mastercard banking platforms. Provided L2/L3 production support, managed on-call rotations, and implemented monitoring and observability solutions.

AWS Terraform Ansible Docker Kubernetes Jenkins Git BASH JFrog Artifactory HashiCorp Vault Prometheus Autosys Linux Jira GitOps CI CD Python

Site Reliability Engineer

CPP Investments

Jan 2021 - Sep 2024 (3 years 8 months)

Built CI/CD pipelines and provisioned cloud-native retail environments on Azure for Best Buy digital platforms. Implemented GitOps deployments, observability, and incident management for production systems.

Azure Terraform ARM Templates Bicep GitHub GitHub Actions Flux CD Podman Kubernetes Puppet Python Aqua Security Grafana ELK Stack CloudFormation GitOps CI CD Linux Jira

DevOps Engineer

Accenture

Aug 2018 - Jan 2021 (2 years 5 months)

Automated CI/CD pipelines and infrastructure provisioning for insurance platforms on AWS. Managed container orchestration, monitoring, and incident troubleshooting in production environments.