Chieme Emenyonu

Career Summary

Senior Cloud Infrastructure Engineer with over 7 years of experience and a proven track record of ownership over end-to-end cloud lifecycles, specializing in Cloud, DevOps, Reliability, Observability, and Security. Known for driving innovation through automation, infrastructure as code, and modern container platforms.

Technical Skills

Professional Experience

Senior Cloud Engineer | United Health Group

Minnetonka, MN | March 2022 – present

• Mentored and upskilled junior engineers on complex system architectures, including State Machine tracing, reducing average resolution time for production incidents by 20%.
• Served as a strategic technical advisor for customer teams, facilitating high-level consultations to architect secure, automated infrastructure solutions tailored to specific business requirements with 90% adoption rate.
• Spearheaded technical demonstrations for cross-functional stakeholders, driving the adoption of new features and reduction of technical debt, reclaiming 8+ engineering hours per week.
• Directed the full-scale lifecycle of critical initiatives, notably the Golden AMI Pipeline, managing the transition from conceptual design through to deployment and maintenance, saving over 1600 engineering hours annually while improving security.
• Spearheaded the migration of legacy web applications from Azure Web Apps to Azure Kubernetes Service (AKS).
• Engineered high-availability clusters using Bicep/ARM and automated end-to-end deployments via Azure DevOps CI/CD pipelines.
• Hardened cluster security by integrating Azure Key Vault to manage sensitive environment variables, ensuring zero-trust secret management across all Kubernetes primitives.
• Deploy and maintain Enterprise Applications (e.g. Hashicorp Vault, Terraform Enterprise) including backend infrastructure like RDS PostgreSQL Database, KMS encryption keys, Redis, and SSL/TLS Certificates.
• Architect Disaster Recovery solutions for deployed applications, implementing secondary region backups, snapshots, disaster recovery clusters, and failover mechanisms.
• Deploy CI/CD pipelines to build, security-harden, and share Gold-AMI images using Gitlab, Hashicorp Packer, Linux, and Ansible.
• Built pipeline for real-time data analytics by moving records off RDS MySQL to avoid latency, transported with Kinesis Data Firehose, queried by Athena, and visualized by QuickSight.
• Leverage Amazon CloudWatch Synthetics to create canaries for monitoring application endpoint availability and latency, integrated with AWS Xray for tracing.
• Securely integrated frontend Self Service Portal to backend Automated Vending machine using REST API Gateways, Lambda, and IAM Roles.
• Develop default VPC terraform module for customers, including automated IP CIDR allocations, Route 53 resolver, DNS Firewall, and centralized Internet Gateway.
• Architected and implemented a high-availability infrastructure incorporating Route 53, auto-scaling, Datadog monitoring, and blue-green deployment strategies to reach 99.95% uptime.

Cloud Engineer | California College Guidance Initiative

Sacramento, CA | June 2020 – February 2022

• Orchestrated CI/CD pipelines using CodePipeline with GitHub; automated tests and built images with CodeBuild; effected deployments and rollback strategies using CodeDeploy.
• Provided observability to applications using Prometheus to monitor containers and Grafana for analysis and visualization.
• Implemented enterprise-wide centralized logging and aggregation solutions using Splunk, CloudWatch, Kinesis Firehose, Glue, and S3.
• Orchestrated a data pipeline for the analysis and synchronization of Salesforce data with Snowflake leveraging Python, Appflow, Docker, ECS, Fargate, and Lambda.
• Planned and carried out upgrades of API versions with minimal downtime using API Gateway stages and canary deployments.
• Built distributed systems to automate routine tasks using Step Functions, Lambda, Python, ECS, SQS, and SNS.

Systems Administrator | K.C Family Care, Inc.

Sacramento, CA | April 2017 – May 2020

• Deployed Active Directory with automated creation of users and groups to secure access to SFTP server via PowerShell and LDAP.
• Automated patching of Virtual Machines by utilizing Azure Update Management, ensuring timely maintenance.
• Utilized Git for version control to effectively plan, develop, and execute the release of updates, features, and bug fixes.
• Implemented disaster recovery and backup strategies using Azure Backup and Azure Site Recovery.

Network Engineer | University of Wisconsin-Milwaukee

Milwaukee, WI | August 2016 – March 2017

• Developed and maintained detailed network diagrams, documentation, and standard operating procedures (SOPs).
• Improved internet connection across campus, implemented WPA2 encryption and 802.11ac protocols to enhance security.
• Installed Wireless LAN routers and Ethernet jacks around campus and connected them to the Local Area Network.
• Enforced Network security by applying MAC address filtering to restrict unauthorized device access.

Projects

• Containerization of Web Applications: Migrated web applications from Azure Web App to AKS, increasing service independence and reducing upgrade downtime.
• Enterprise Centralized Logging: Implemented log aggregation and analytics to preserve logs for compliance and audit prevention.
• Automated AMI Patching and Release: Deployed CI/CD pipelines and distributed systems to security-harden AMIs for 200+ customer teams.

Education

Master’s Degree | MS Information Technology & Data Science
California State University Fullerton (In-progress, 2025 – 2027)

Bachelor’s Degree | B.Eng. Electrical & Electronic Engineering
Madonna University (2007 – 2013)