Bryan Ramirez Manriquez
Infrastructure Administrator & Cloud Expert
With over 15 years of experience managing critical Linux and Windows infrastructures. Specialized in server optimization, migrations, high availability, and advanced security in Cloud environments.
Specialties
Robust Infrastructure Solutions
Multi-Cloud Management
Design, implementation, and administration in Microsoft Azure, GCP, and AWS. Cloud cost and resource optimization.
SysAdmin & Migrations
Expert Linux/Windows administration. A to Z migration of email and workspaces (Google Workspace, M365, Zoho, Zimbra).
Security & Networking
Administration of Fortinet and pfSense firewalls, VPN configuration, network segmentation, and perimeter security hardening.
My Lab
Command Center
Where theory meets practice. A dedicated environment for testing, monitoring, and developing high-availability solutions.
Technologies I Master
A complete ecosystem of tools to build and maintain world-class infrastructures.
Key Professional Experience
Over 15 years of career in leadership and high technical responsibility roles.
May 2020 - Sep 2025
Infrastructure
Integrated IT Systems
Management of Windows Server and Linux, AD, DNS, SQL Server, and virtualization with Azure, Hyper-V, VirtualBox, and Virtualizor. Use of NGINX as a reverse proxy.
Sep 2017 - Present (Weekends)
Regional Manager
SYSDOP LLC (Remote)
Technical leadership of IT infrastructure. Administration of KVM and Virtualizor servers, platforms (Plesk, HestiaCP, cPanel), and security (Fortinet, pfSense).
Jan 2018 - Dec 2019
Cloud Developer
3Datos
Design and implementation of environments in Microsoft Azure and OVH Cloud. Automation of deployments, hybrid networks, and DRP plans in the cloud.
Dec 2016 - Jan 2018
System Manager
RUBYCOM SRL
Comprehensive server support with Hyper-V, VMware, and Virtualizor. Linux system optimization, hosting management (Plesk, cPanel), and MySQL databases.
Jan 2009 - Dec 2016
Technical Lead
EXPRESS J&R
Maintenance, Windows/Linux installation, LAN administration, and virtualization with Proxmox and SolusVM. Direct user support.
Client Testimonials
Validated Global Results
Project reviews completed for clients on high-demand freelancing platforms.
"Perfect communication and speed! Top-level knowledge."
Roundcube Installation Azure
on Upwork
"Project for Sir Bryan Manriquez -> SysAdmin expert... hand down number 1 in the World. Forget else :)"
SysAdmin Expert
on Freelancer
"Bryan is good at what he do! I asked him to fix my server issues, and he nailed it within hours! Will use him for any server needs and aws!!"
AWS expert EC2, Rest API
on Upwork
"Excellent professional!! Patient, competent and fast!!"
Cloud Virtual Machine
on Workana
"Solved everything perfectly! I'm happy and looking forward to counting on him for other occasions. Dedication to his work."
Debian with plenty of space
on Freelancer
"Excellent!! Not only did he solve the problem quickly and agilely, but he also had the courtesy to explain and detail what he did."
Malware Issue
on Workana
For more reviews, visit my public profiles:
Education & Certifications
Formal validation of technical and engineering skills.
Systems Engineering
Universidad Dominicana O&M
Google Cloud Platform
Google Inc.
Linux Server Management
University of Colorado
English C2 Proficient
EF SET
Let's build something solid.
Available for consulting, migration projects, or leading your infrastructure department.
Or schedule a video call:
Payment Methods & Guarantee
Flexibility and trust for our projects.
...and other payment methods as agreed.
Satisfaction GuaranteeAll jobs have a 30 to 90-day warranty, depending on the agreement. If you are not satisfied with the final result, the service is totally free.
Credits
Made with ♥ for the World
"Passion for excellence makes the difference."