Mariano Guillen

Mariano Guillen

Communications & Electronics Engineer | Technical Director | Cybersecurity & Infrastructure Leader | Data Centers | Critical IT Operations | High-Availability Systems

Mexico City, Mexico

#OpenToWork

About

Senior IT and Cybersecurity leader with 20+ years of experience in infrastructure architecture, data center operations, cybersecurity, network engineering, and critical IT services. Specialized in designing, deploying, and managing secure, resilient, and high-availability platforms. Strong background in modernization programs, technical leadership, secure communications, digital forensics, incident response, and operational continuity. Experienced in leading multidisciplinary teams, managing vendors, and delivering large-scale technology initiatives in high-sensitivity environments.

What I'm looking for

I’m looking for senior roles in IT infrastructure, cybersecurity, and technical operations where I can contribute with leadership, modernization experience, and the management of critical systems.

Experience

Information Technology Manager

Federal Government Area 2

Jan 2018 – Aug 2025

• Led multi-year modernization programs for mission-critical infrastructure and data center operations. • Directed technical teams across networking, cybersecurity, virtualization, and continuity. • Managed high-availability platforms and institutional IT services. • Developed operational policies, automation practices, and risk-reduction strategies. • Oversaw vendor management, contracts, and service delivery.

Data Center ManagementVirtualizationVendor Management

Research and Development Manager

Federal Government MAJOR STAFF

Jan 2011 – Jan 2018

• Founded and led a technology R&D division focused on secure communications and data analysis. • Directed innovation initiatives and prototype development. • Coordinated multidisciplinary teams delivering technical solutions for operational support.

Secure CommunicationsData AnalysisResearch and DevelopmentCybersecurityIncident ResponseRisk ManagementDigital ForensicsNetwork ArchitectureTechnical Investigations

IT Architect

Federal Government CECOM

Sep 2000 – Dec 2010

• Led modernization of institutional communication platforms and infrastructure. • Defined operational and security standards. • Supervised technical teams in continuous-operation environments.

Operational StandardsTechnical LeadershipSatellite SystemsCommunication SystemsOperations CoordinationNetwork InfrastructureIT ServicesDigital Transformation

Education

Military Engineering Institution, Mexico

Postgraduate Degree · Information Technologies and Cybersecurity

Military Engineering Institution, Mexico

Bachelor’s Degree · Communications and Electronics Engineering

Skills

Process ImprovementTechnology ModernizationOperational ContinuityVendor ManagementTechnical LeadershipIT OperationsRisk ManagementIncident ResponseReverse EngineeringMalware AnalysisDigital ForensicsSecure CommunicationsVirtualizationLANWANNetwork ArchitectureHigh Availability SystemsData Center ManagementCybersecurity

Languages

EnglishSpanish