Alfonso Valdes

Alfonso Valdes

Sr Linux / Amazon EC2 / Migrations / Nginx / Security / DevOps

Monterrey, Mexico



What's the difference

A self-motivated System and Network security administrator with more than 10 years in the management and analysis of Linux/Unix enterprise Servers (60- 70 servers). With deep and advance knowledge of highly scalable servers, Cloud Computing, High performance, Hardening Servers, Migrations, Ethical hacking, Development Operations - DevOps, Open Source services and Server optimization.

Certifications such as: Certified Ethical Hacker - Red Hat Certified Engineer - Cisco CCNA.

Expertise in:


Alfonso Valdes has added 6 portfolio pieces. Create an account to review them.

Work History & Feedback

Wordpress Performance Optimization Expert - on AWS

“Good job!”
51 hrs @ $28.00/hr
Earned $2,312

Server Hardening and Malware Removal

“Alfonso was great to work with. His communication is clear and he completed all of our requirements on time.”
146 hrs @ $24.99/hr
Earned $3,644

Secure video streaming with Amazon S3 / CloudFront

“Alfonso was great! Quick, efficient and reactive. I'll definitely work with him again.”
11 hrs @ $27.00/hr
Earned $297

Nginx + varnish+ centos + Server Structure Design Expert Required

“Great quality of work! A pleasure to work with him always!”
51 hrs @ $28.89/hr
Earned $1,478

Odoo Expert Needed

“Alfonso is a dream to work with, understands direction and always has a solution. Will work with him again no doubt.”
30 hrs @ $25.00/hr
Earned $750

Full AWS Configuration

“Alfonso did an excellent job and my company will work with him again. He set up our Amazon Web Services configuration to our specifications. He taught our team about which was very helpful. He's very detail oriented and adopts new technology very quickly. The only negative thing that I can say is that he is very busy with a lot of work so he can't not take on time sensitive projects.”
97 hrs @ $30.00/hr
Earned $2,920

Linux and network administrator

Job in progress

24 hrs @ $25.00/hr
Earned $600

LAMP Senior Administrator

Job in progress

1 hrs @ $27.00/hr
Earned $652

LAMP - Server Admin - Long Term Position

Job in progress

156 hrs @ $24.99/hr
Earned $4,040

System Administrator Wordpress Website

Job in progress

9 hrs @ $27.00/hr
Earned $243

Platform Engineer / DevOps / Architect

Job in progress

559 hrs @ $25.00/hr
Earned $14,375

LAMP on Linode

Job in progress

16 hrs @ $25.00/hr
Earned $392
Tests Taken
Name Percentile Score

Firewall Concepts Test


Networking Concepts Test