Hello I'm
Charles
O'Brien
Bridging Technology and Business for Innovative Solutions
Multi-Disciplinary Tech Leader | Software, DevOps, Security & Data Engineering | Business-Focused Solutions Architect
Bridging Technology and Business for Innovative Solutions
As a versatile technology leader with over 5 years of engineering experience combined with an additional 10 years of experience in accounting and finance, I bring a unique blend of technical expertise and business acumen to the table. My proficiency spans multiple domains, allowing me to adapt swiftly and deliver high-impact solutions.
I excel in multiple roles, including:
This versatility enables me to approach complex challenges from multiple angles, ensuring comprehensive and efficient solutions.
My technical skills encompass a wide range of languages, frameworks, and tools, including:
With expertise in cloud platforms and security frameworks, I'm well-equipped to drive digital transformation and ensure regulatory compliance. I'm dedicated to staying at the forefront of emerging technologies, with a focus on:
I'm seeking opportunities to leverage my diverse expertise in spearheading technological advancements and driving business growth.
With a multifaceted skill set spanning the full software development lifecycle, I offer comprehensive expertise in:
Designing, developing, and maintaining robust software solutions. Expertise in multiple programming languages and frameworks to create efficient, scalable applications that solve real-world problems.
Architecting and implementing cloud-based infrastructure and services. Proficient in leveraging cloud platforms to optimize performance, ensure scalability, and enhance security for modern applications.
Bridging development and operations to streamline software delivery. Implementing continuous integration/continuous deployment (CI/CD) pipelines, automating processes, and fostering a culture of collaboration and efficiency.
Building and maintaining data pipelines and infrastructure. Skilled in designing systems to collect, process, and store large volumes of data, enabling effective data analysis and informed decision-making.
Designed and developed a comprehensive full-stack web application for enterprise data management and analytics. This project showcases proficiency in modern web development technologies, cloud deployment, security best practices, and user-centric design.
Key Features
Tech Stack
Spearheaded a major version control and CI/CD pipeline overhaul, modernizing the development process and enhancing security measures.
Key Features
Tech Stack
Developed a Python-based Web Dashboard application that automates the parsing of OSCAL-formatted XML files to create a comprehensive Business Intelligence analytics dashboard. This project was integrated into an existing FedRAMP web application, enhancing its capabilities with advanced data visualization and risk analysis features.
Key Features
Tech Stack
Led and developed an automated ETL (Extract, Transform, Load) pipeline to seamlessly integrate legacy on-premises banking software with Concur's cloud-based expense management system. This project significantly streamlined the Accounts Payable process, eliminating hours of daily manual work.
Key Features
Tech Stack
Developed a high-performance WebSocket client in C# as a critical component of a larger financial reconciliation system. This client was integral to processing and verifying Electronic Funds Transfer (EFT) transactions from numerous merchants.
Key Features
Tech Stack
Contributed to a complex GRC (Governance, Risk, and Compliance) application integration and image hardening solution, focusing on advanced security measures and data management:
Key Features
The ETL process handled a wide range of vulnerability data, including:
Tech Stack:
Python
Javascript
Typescript
C#
SQL
React
Angular
NextJS
Blazor
Svelte/SvelteKit
Express
Django
Flask
ASP.NET Core
.NET Framework
Azure DevOps
Github Actions
Gitlab CI/CD
Docker
Kubernetes
Dagster
Azure
AWS
GCP
Vercel
Heroku
IaC / Terraform
Jest
Mocha
Pytest / Unittest
Selenium
Playwright
XUnit / NUnit
SonarQube
Snyk / Snyk IaC
Nessus Tenable
OWASP
Trivy / Grype
JFrog X-Ray
TFSec / Terrascan
SQL Server
PostgreSQL
Redis / Elasticache
CosmosDB
Aurora / Hyperscale
GraphQL
9717 Cogdill Rd #101, Knoxville, TN 37932
1301 Riverplace Blvd #2501, Jacksonville, FL 32207
2430 Teaster Ln Ste 205 Pigeon Forge, TN, 37863-5274
675 Corporate Pkwy, Belvidere, IL 61008
October 2024
October 2024
1720 University Blvd, Birmingham, AL 35294
1720 University Blvd, Birmingham, AL 35294
VP - Cybersecurity Risk & Compliance, C2 Labs, Inc.
“I highly recommend Charles for any position requiring a strong ability to learn and implement innovative technologies. I have had the pleasure of working with Charles on various projects, where his ability to quickly grasp new technologies and apply them effectively was remarkable. He consistently demonstrated exceptional skills in areas like OSCAL, cloud technologies, and full-stack development, which enabled him to spearhead crucial automation processes and develop innovative solutions that significantly improved our project outcomes.
Charles’s technical versatility and passion for continuous learning make him an outstanding asset to any organization. His ability to quickly master complex technologies and apply them to solve real-world problems speaks volumes about his dedication and capability.“
Cybersecurity Program Manager
“I worked closely with Charles O’Brien over the past 1.5 years and he has shown himself to be an extremely knowledgeable DevOps engineer. While working together, we collaborated on several DevOps and cybersecurity compliance projects, supporting customers in meeting FedRAMP and StateRAMP authorization frameworks. Charles’ expertise and diligence were vital to bringing these projects to successful conclusions and, as the project manager, I heard firsthand how the customers appreciated his contributions.
Also, I value Charlie’s willingness to provide hands-on support or expert advice, regardless of whether he was directly involved with a project. I appreciate him and I would be happy to work with him again.“
Software Engineering Manager, Regscale
“Charles played a critical role in delivering high-quality technical solutions to complex, non-trivial problems. He demonstrated exceptional skills in building out several integrations with industry-standard tools that our customers use and consistently ensured that his work was well-organized and clearly communicated. His willingness to assist other engineers and his ability to dive head-first into any technical challenge made him a key part of our success. I highly recommend Charles for any role that requires technical expertise, collaboration, and problem-solving abilities. He would be a excellent addition to any team.“
Sr. Security Engineer, Guidepoint Security
“I always found Charles to be extremely knowledgeable in the field of data engineering/software development. He understood how things worked at a deeper level, and was constantly looking for improvements to the processes he designed and implemented. He understood the details from the hardware all the way up to the reporting. He was easy to work with and was an immediate asset to the team. I would highly recommend Charlie as a standout employee, person, and developer to anyone looking for help on their team.“
Technical Project Manager, C2 Labs, Inc.
"I strongly recommend Charlie, with whom I have had the privilege of working closely at C2 Labs on numerous projects, where he served as both a Data Engineer and Full Stack DevOps Engineer while I served as the Project Manager.
Charlie consistently demonstrates the ability to navigate complex projects while delivering high-quality solutions. His technical proficiency is impressive, but what truly distinguishes him is his leadership in driving teams toward successful outcomes. Whether troubleshooting challenges or devising innovative solutions, Charlie leads by example, guiding with clarity and purpose."
I'm open to roles where I can leverage my diverse expertise to spearhead technological advancements and drive business growth. Let's connect to explore how we can create impactful, scalable solutions together!
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