Mariano Guillen

Infrastructure, Cybersecurity & Technical Operations Engineer

Mexico City, Mexico

#OpenToWork

About

Engineer with 20+ years of experience in communications, cybersecurity, infrastructure operations, and mission-critical technical environments. Strong background in secure communications, network architecture, digital forensics, data center modernization, and cross-functional technical leadership. Known for disciplined execution, operational judgment, and the ability to modernize and support complex systems with reliability, discretion, and ownership. Seeking roles in infrastructure operations, cybersecurity support, technical coordination, and operational improvement.

What I'm looking for

Looking for part‑time, full-time or project‑based technical roles where I can contribute senior expertise while continuing to run my own company. Open to flexible, temporary opportunities in cybersecurity, infrastructure, or specialized troubleshooting where experience, reliability, and high‑level problem‑solving add value.

Experience

Information Technology Manager

Federal Government

Sep 2000 – Aug 2025

• Led cross-functional teams in large-scale data center modernization projects involving storage, compute, cybersecurity, network interconnection, and monitoring systems. • Designed and deployed secure, resilient platforms supporting mission-critical operations. • Strengthened operational continuity through policy development, automation, and proactive risk management.

Data Center ModernizationCybersecurityAutomationSystems ArchitectureData AnalysisPenetration TestingMalware AnalysisIncident ResponseDigital ForensicsLAN/WAN ArchitectureSecurity ProtocolsTechnical DocumentationSatellite WANVoIPQoSWindows ServerLANSecurity Policy Design

Education

Military School of Engineering

Information Technologies and Cybersecurity

Military School of Engineering

Bachelor of Engineering · Communications and Electronics

Skills

Monitoring & DashboardsAutomationSecurity Policy DesignQoSSatellite WANVoIPCisco TechnologiesLAN/WAN ArchitectureWindows Server OperationsLinux Server OperationsThreat IntelligenceIncident ResponseReverse EngineeringMalware AnalysisPenetration TestingVirtualizationData Center ModernizationDigital ForensicsNetwork ArchitectureCybersecurity

Languages

Spanish (Native or bilingual proficiency)English (Professional working proficiency)