Fel Alvarz
@felalvrz
Senior infrastructure and cybersecurity engineer with 20+ years managing enterprise data centers.
What I'm looking for
I am a senior infrastructure and cybersecurity engineer with over 20 years of experience designing, operating, and securing enterprise IT environments across Mexico and the USA.
I have managed corporate service infrastructure deployed in multiple data centers, administered complex networks with BGP and L3 switching, and overseen virtualization and storage platforms supporting 100+ servers.
My cybersecurity work includes firewall and VPN administration, SIEM monitoring, DDoS protection, IDS/IDP, vulnerability analysis, and CEH certification, plus hands-on experience with email security and WAFs.
I bring practical operational leadership supporting dozens of offices, IP telephony, wireless systems, and large-scale university networks, and I prioritize reliability, security, and measurable service outcomes.
Experience
Work history, roles, and key accomplishments
Infrastructure Engineer
Dicex International
May 2011 - Present (14 years 8 months)
Managed corporate data-center infrastructure across multiple US facilities, administering networks, security, virtualization and storage for 109+ servers and supporting 38 offices to ensure high availability and incident response.
Security Engineer
Protectia
Jun 2010 - Jun 2011 (1 year)
Provided cybersecurity consulting, SIEM event correlation and pre-sales engineering for enterprise clients, advising on network security and monitoring for customers including HEB, Soriana, CFE and Home Depot.
Data Network Administrator
Universidad Autónoma de Nuevo León
Aug 2001 - Jun 2010 (8 years 10 months)
Administered campus data network for 15,000+ concurrent users, managing bandwidth, security and network services across Windows, Linux, *BSD and Solaris platforms to maintain reliable campus-wide connectivity.
Education
Degrees, certifications, and relevant coursework
Universidad Autónoma de Nuevo León
Bachelor of Science, Computer Science
2002 - 2008
Grade: 8.5 MX
Bachelor of Computer Science from the Faculty of Physical and Mathematical Sciences at Universidad Autónoma de Nuevo León, completed August 2008 with a GPA of 8.5/10.
Tech stack
Software and tools used professionally
BIND9
Postfix
Python
Java
PHP
HAProxy
ELK
Graylog
Grafana
Prometheus
Nagios
Cacti
Snort
Linux
Windows
Windows Server
OpenBSD
FreeBSD
Azure Active Directory
FortiGate NGFW
Aruba
Duo Security
OpenSSH
FreeRADIUS
VMware vSphere
Bandwidth
Zoom
NGINX
lighttpd
VMware vSAN
FortiAnalyzer
Adobe ColdFusion
Wasabi Storage
VMware ESXi
Nmap
Radius
Wazuh
Depot
Availability
Location
Authorized to work in
Job categories
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