Warren Johnson

Warren Johnson Email and Phone Number

Senior Infrastructure Engineer @ SentiLink
Kansas City, MO, US
Warren Johnson's Location
Kansas City Metropolitan Area, United States
About Warren Johnson

I’m a results-driven Technology Executive with 25 years tech experience specializing in AWS and Linux-based infrastructure and software development. Combining technical expertise with strong leadership skills I am focused on developing quality technology that supports business objectives while ensuring high availability, cost-efficiency and scalability. I live to solve technical challenges and relish going down the rabbit hole to build, discover and innovate.

Warren Johnson's Current Company Details
SentiLink

Sentilink

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Senior Infrastructure Engineer
Kansas City, MO, US
Website:
sentilink.com
Employees:
155
Warren Johnson Work Experience Details
  • Sentilink
    Senior Infrastructure Engineer
    Sentilink
    Kansas City, Mo, Us
  • Mbta
    Senior Aws Infrastructure Specialist
    Mbta Apr 2024 - Present
    Boston, Massachusetts, United States
    Keeping the good people of Massachusetts moving!
  • Zaronology Inc
    Aws Cloud Solutions Architect And Devops / Interim Cto
    Zaronology Inc Oct 2019 - Apr 2024
    Overland Park, Kansas, United States
    Architected a global DDoS resilient architecture for Mr. Beast’s clean-ocean initiative, supporting one billion hits and processing $33,000,000 in donations. Implemented using AWS, Cloudflare, and DevOps practices, achieving high availability and data resiliency. Tech: AWS, Cloudflare, CentOS, Ubuntu, EC2, Lambda, S3, DynamoDB, API Gateway, IAM, MariaDB, Galera, NodeJS, Express.Spearheaded creation of two streaming video platforms, featuring a client dashboard with high-speed serverless… Show more Architected a global DDoS resilient architecture for Mr. Beast’s clean-ocean initiative, supporting one billion hits and processing $33,000,000 in donations. Implemented using AWS, Cloudflare, and DevOps practices, achieving high availability and data resiliency. Tech: AWS, Cloudflare, CentOS, Ubuntu, EC2, Lambda, S3, DynamoDB, API Gateway, IAM, MariaDB, Galera, NodeJS, Express.Spearheaded creation of two streaming video platforms, featuring a client dashboard with high-speed serverless transcoding and transcription,video player, and large-file uploader. Reduced client streaming costs by 60%. Tech: AWS, Bunny.net, CentOS, Lambda, S3, Elastic Transcoder, Event Bridge, API Gateway, IAM, MySQL multi-region, Cloudflare CDN, Cloudflare Workers, React, NodeJS, Express, DevOps via Git, GitHub Workflow, Buddy Deploy.Rebuilt global multi-provider, multi-stack architecture deployment using Terraform and Puppet, enhancing configuration efficiency and maintenance. Tech: AWS EC2, IAM, VPC, SES, SNS, DynamoDB, Ubuntu, Terraform, Puppet.Refined deployment workflow using GitHub workflows for multiple applications, resulting in a 30% decrease in deployment time. Tech: GitHub Workflows, GitHub Marketplace.Independently created and managed global and regional MySQL and MariaDB clusters, enhancing data resiliency and reducing latency for multi-region data access. Tech: AWS EC2, VPC Networking, IAM, Security Groups, Peering, MariaDB Galera, MySQL local and multi-master installation.Strategically managed the launch and configuration of hundreds of EC2 servers and supporting services. Tech: AWS EC2, CloudFormation, Terraform, Linux, Ubuntu, CentOS, WordPress, cron and a hundred other applications and Linux commands.Identified, met and vetted offshore development partners in Asia. Cultivated and maintained relationship saving over 60% compared to domestic payroll. Show less
  • Harris Web Works
    Infrastructure Specialist
    Harris Web Works Nov 2014 - Sep 2019
    Hartford, Connecticut Area
    Strategically migrated enterprise core infrastructure to AWS, bolstering system resiliency by 100% and scalability, which resulted in a 73% reduction in service outages and streamlined the tech stack for enhanced operational agility. Tech: AWS EC2, Security Groups, IAM, VPC Networking, CentOS Linux, Forward/Reverse proxy with Apache Web Server, Bash Scripting, PHP, Magento installation and configuration.Designed and deployed multi-region, high-availability Magento stores on AWS… Show more Strategically migrated enterprise core infrastructure to AWS, bolstering system resiliency by 100% and scalability, which resulted in a 73% reduction in service outages and streamlined the tech stack for enhanced operational agility. Tech: AWS EC2, Security Groups, IAM, VPC Networking, CentOS Linux, Forward/Reverse proxy with Apache Web Server, Bash Scripting, PHP, Magento installation and configuration.Designed and deployed multi-region, high-availability Magento stores on AWS, ensuring robust performance and uptime across different geographies. This architecture provided scalable and resilient e-commerce solutions. Tech: AWS EC2, S3, IAM, VPC, Security Groups, Elastic Load Balancing, Route 53, CentOS, MySQL Galera Cluster.Successfully launched, configured, and managed numerous EC2 servers and associated services, focusing on load balancing, DNS, and email. This contributed to improved service reliability and performance. Tech: AWS EC2, S3, IAM, VPC, Security Groups, Elastic Load Balancing, Route 53, CentOS, and other web applications and Linux commands. Show less
  • Johnson Technical Group, Inc.
    Ceo, Software Developer And Linux Administrator
    Johnson Technical Group, Inc. Jun 2003 - Sep 2014
    Overland Park, Ks
    Delivered freelance application design and programming services, specializing in AWS and web hosting solutions using NodeJS, Express, PHP, and MySQL. Provided tailored solutions meeting diverse client needs.Built and managed robust Linux-based hosting environments, with a focus on LAMP (Linux, Apache, MySQL, PHP) stack. Ensured high performance and reliability for various applications. Tech: Fedora and CentOS Linux, Apache, MySQL, PHP.Managed daily operations of the corporation… Show more Delivered freelance application design and programming services, specializing in AWS and web hosting solutions using NodeJS, Express, PHP, and MySQL. Provided tailored solutions meeting diverse client needs.Built and managed robust Linux-based hosting environments, with a focus on LAMP (Linux, Apache, MySQL, PHP) stack. Ensured high performance and reliability for various applications. Tech: Fedora and CentOS Linux, Apache, MySQL, PHP.Managed daily operations of the corporation including account management, invoicing, billing, tax filings and marketing.Generated monthly web hosting revenue for the company exceeding $10,000 per month.Sourced, hired and managed offshore developers from China, Indonesia, Pakistan and Russia, reducing development costs for client projects. Show less

Warren Johnson Education Details

Frequently Asked Questions about Warren Johnson

What company does Warren Johnson work for?

Warren Johnson works for Sentilink

What is Warren Johnson's role at the current company?

Warren Johnson's current role is Senior Infrastructure Engineer.

What schools did Warren Johnson attend?

Warren Johnson attended Stony Brook University, Townsend Harris High School.

Who are Warren Johnson's colleagues?

Warren Johnson's colleagues are Gingle Angara, Karl L., Andrew Kudla, Sreedeep V S, Shannon Slaughter, Chris Swierczewski, James Dixon.

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