Alejandro Barrientos


+52 7732005857

alexalejandro4141@gmail.com

Iztacalco, CDMX, Mexico

Let's Conect


About Me


TICs Engineer specialized in Cybersecurity and Network Operations (NOC). Proven experience in monitoring critical mobile network infrastructure (HSS, SPGW, SBC) for tier-1 telecommunications providers. Expert in managing secure access via Cyberark and automating monitoring tasks using Python and Linux. Certified in CCNA and Google Cybersecurity, with a track record of developing award-winning IoT and data-driven security solutions . Committed to protecting organizational integrity through proactive threat analysis and incident response.


Skills


Git

Google Cloud

Languages

Spanish - Native

English - A2

Professional Experience


AT&T

NOC CORE CS&PS Intern

September 2025 - December 2025

I serve as a Mobile Network Monitoring Analyst, leveraging tools such as CyberArk and Remote Desktop to monitor KPIs for critical infrastructure, including HSS, SPGW, SBC, DRA, and STP. I utilize monitoring platforms like Nagios, Paessler, Nokia, and Ericsson to detect network faults and generate technical incidents to ensure rapid resolution and network stability.


• Skills: Python, C#, HTML, CSS, JavaScript, SQL, NoSQL, Linux, Windows, Networking, Cybersecurity

ITSOEH

Front-end & Back-end Developer

January 2025 - July 2025

Developed a desktop application using windows forms and C# to improve a solution for enterprises looking to optimize tools and machinery administration to ensure the company could quickly access data about its equipment

ITSOEH

Front-end & Back-end Developer

July 2024 - January 2025

Designed and developed user interfaces using HTML/CSS, JavaScript, and integrated them with SQL Server. We developed a web-based administrative tool using PHP to streamline database management for staff, improving operational efficiency and accessibility

ITSOEH

Team Leader & Back-end Developer

May 2024 - December 2024

Led a team of developers in creating a web application to transition local businesses into eCommerce, Managed project tasks, assigned responsibilities, and contributed to both front-end HTML/CSS and back-end JavaScript development. Implemented version control and collaboration using GitHub


Education


Higher Technological Institute of the West of the State of Hidalgo

Bachelor’s degree in information and communication technologies

2021 - 2025

I studied computer science at the ITSOEH, a private university in Hidalgo, Mexico. I was able to obtain a Bachelor of Science in Computer Science degree with a specialization in Cybersecurity and Network Operations (NOC). I also obtained a Certificate in Cybersecurity and Network Operations (NOC) from the same institution.



Certifications


Linux Shell

AT&T

Skills: Linux, Shell, Automation

Linux Shell

AT&T

Skills: Linux, Shell, Automation

Linux Shell

AT&T

Skills: Linux, Shell, Automation

Linux Shell

AT&T

Skills: Linux, Shell, Automation

0.8.1 STABLE - SPRING COLLECTION

You welcome to my portfolio, made only HTML, CSS and JavaScript, and I hope you enjoy it, and i recomend you visit my other websites focused in diferents topics, you can fin in the projects page or in the home page...


New Design Styles


In this version, i thougn in the improve new design styles, update some projects and add new content, so i this spring will be added new content focused in the thinks i done in the last year, i hope add the most important and add real pictures, also we will implement the inteconections between the others pages to make an ecosystem divided in diferents sections, web developement, maybe IoT and cybersecurity field, and i hope you enjoy it, if you have any suggestion or idea to improve the site, create a new issue or create a discussion in this repository, thanks for whatch


New Features in this version:


  • • New Projects and fixed useless links

  • • More UX/UI improvements to enhance the user experience

  • • New fresh ideas to improve the site

  • • We completed the cv resume, so you can see it in the about page

Keep in touch


Made with ❤️ by Alejandro Barrientos and ESCALIA