Eston (EJ) Johnson

Cloud Infrastructure & Security

Exploring cloud architecture, automation, and security through practical AWS projects, infrastructure as code, and secure application design.

AWS | Cloud Infrastructure | Security | IT | Web Development

Professional Summary

Technology professional with experience building and supporting production systems and web applications. Developing expertise in AWS, cloud security, automation, and backend technologies through hands-on projects, certifications, and structured training. Brings strong troubleshooting skills, operational awareness, and a practical approach to solving technical problems.

 

Technical Foundations

Cloud & Infrastructure

  • AWS (IAM roles & policies, VPC, EC2, S3, Lambda)

  • Infrastructure as Code (Terraform)

  • Cloud logging and visibility (CloudTrail, Security Hub, GuardDuty)

Security Fundamentals

  • Identity & access management (RBAC, least privilege)

  • Secure configuration and secrets handling

  • Incident awareness and response fundamentals

Programming & Automation

  • Python, JavaScript, PHP

  • REST APIs and backend services

Systems & Practices

  • Linux & Windows fundamentals

  • Networking basics (TCP/IP, DNS)

  • Git, debugging, Agile collaboration

Systems & Application Development

Independent Contractor | Spring, TX | May 2007 – Present

  • Built and supported production systems with long-term ownership, emphasizing reliability, secure configuration, and controlled change.

  • Developed backend functionality and automation using Python, JavaScript, and PHP, integrating APIs with attention to access boundaries and data integrity.

  • Applied security-first practices including access restriction, patching, monitoring, and recovery planning to reduce operational risk.

  • Troubleshot live issues using structured root-cause analysis while balancing uptime, user impact, and system stability.

  • Maintained development, staging, and production environments to support safe testing and predictable deployments.


Provisioning Agent

Southwest Airlines | Austin, TX | April 2024 – Present

  • Operate in a regulated, safety-critical environment, enforcing access control and security procedures.

  • Collaborate with inflight crew and airport operations to complete time-sensitive tasks while avoiding operational delays.

  • Maintain strict adherence to security protocols to protect company property, personnel, and aircraft.


Fleet Manager

PIC Transport LLC | Spring, TX | July 2018 – January 2025

  • Managed assets and operations in a high-accountability environment requiring rapid issue triage and prioritization.

  • Enforced policies, controlled operational risk, and maintained compliance across teams.

  • Used tracking systems and operational data to optimize routes, costs, and resource utilization.

Current
  • AWS Certified Solutions Architect – Associate (2024)

  • AWS Certified Cloud Practitioner (2024)

  • CompTIA Security+ (2025)

  • CompTIA A+ (2024)

  • Google Cybersecurity Professional Certificate (2025)

In Progress

  • AWS Certified Security – Specialty

  • Python Data Associate


Bachelor of Arts – Marketing Communications & Advertising
Columbia College, Chicago, IL

Portfolio Projects

April 15, 2026

SQL Query

This project comes from the Google/Coursera Cybersecurity track and focuses

April 15, 2026

Vulnerable System Analysis – [MA]

This project focuses on analyzing a vulnerable system, identifying potential

April 15, 2026

Incident Handler’s Journal – [MA]

This journal contains notes, investigations, and incident response exercises completed

April 15, 2026

Try Hack Me Journal – [MA]

This journal documents my progress through various TryHackMe rooms covering

January 24, 2026

CITA (Conversion Intelligent Telephone Agent)

CITA (Conversion Intelligent Telephone Agent) is an AI-powered receptionist replacement

October 3, 2025

Securing External WP Site with CloudFront, ACM & WAF

This project demonstrates the implementation of a Defense-in-Depth security strategy

July 1, 2025

Container Vulnerability Analysis & Reporting

An end-to-end vulnerability assessment of a containerized application using Docker

June 23, 2025

AWS Security Hub & GuardDuty Lab

A hands-on lab demonstrating the full incident response lifecycle in

June 2, 2025

Infrastructure as Code (IaC) for a Secure VPC

A foundational cloud infrastructure project built entirely with code. This