Jonathan Jair ViLLAGRA SILVA

Led cybersecurity consulting engagements and enterprise security solution delivery for public and private sector organizations.

Key Achievements

• Led cybersecurity engagements supporting 20+ enterprise and government clients across financial, mining, telecommunications, and public sector environments.
• Designed enterprise cybersecurity architectures integrating EDR, SIEM/XDR, IAM, NGFW, and threat intelligence platforms.
• Delivered Proof-of-Concept (PoC) implementations validating cybersecurity technologies.
• Acted in pre-sales and solution architecture roles, influencing client decision-making and technical positioning across enterprise and public sector environments.
• Developed technical and commercial proposals, defining security architecture, scope, and pricing strategy to support successful deal closures.
• Supported public sector tenders aligned with compliance and regulatory requirements.
• Managed full lifecycle of cybersecurity engagements: pipeline → proposal → closing → implementation.

Key Business Impact

• Closed a cybersecurity deal valued at $1M+ (SUNAT) involving enterprise security solutions.
• Led deployment of 100+ endpoint EDR solution (CrowdStrike), replacing Kaspersky and improving security posture while maintaining cost efficiency.
• Established SOC-style monitoring and support model with rotating team coverage, ensuring continuous security operations and platform stability.
• Generated long-term revenue opportunities through renewals and service expansion.
• Contributed to closing high-value cybersecurity opportunities, including enterprise-level engagements with measurable business and revenue impact.
• Collaborated with cross-functional teams to deliver secure, scalable solutions aligned with business requirements and long-term cybersecurity strategy.

Key Clients Supported

SUNAT • RENIEC • ONPE • Antamina • Las Bambas • Hudbay • Marina de Guerra • Ministerio Público • COFIDE • Caja Tacna • ZOFRATACNA • Claro • Telefónica Tech

Managed enterprise IT infrastructure across a multi-site organization supporting 2000+ users across the United States and Mexico, ensuring high availability and operational continuity.

• Led administration of core infrastructure (Active Directory, servers, and network systems), maintaining secure and scalable enterprise environments.
• Administered cybersecurity and infrastructure tools including Darktrace (NDR/EDR) and Barracuda (email security), strengthening enterprise security posture.
• Implemented infrastructure monitoring and observability using SolarWinds, improving system visibility and proactive incident detection.
• Managed backup, disaster recovery (Veeam), and vendor relationships (CDW, Dell, Microsoft, Adobe), optimizing IT operations and long-term infrastructure reliability.
• Oversaw IT operations and service delivery, ensuring SLA compliance, system performance, and business continuity across multiple locations.
• Administered Microsoft enterprise environments including E3 / E5 licensing.

• Managed IT service management processes using ServiceNow (ITSM), supporting incident resolution and service delivery efficiency.
• Coordinated enterprise IT deployments across academic and administrative departments, ensuring seamless integration and system functionality.
• Supported enterprise systems and infrastructure across full lifecycle phases, maintaining operational stability and service reliability.
• Assisted in user access management and system configurations, strengthening security controls and improving user experience.
• Collaborated with cross-functional IT teams to support infrastructure operations and enterprise system improvements.
• Contributed to documentation, process standardization, and system optimization initiatives to enhance overall IT service quality.

• Executed QA testing to identify bugs, performance issues, and gameplay inconsistencies, improving overall system quality and user experience.
• Documented issues with clear, reproducible steps, enabling faster troubleshooting and resolution by development teams.
• Validated bug fixes and confirmed system stability across releases, ensuring consistent performance and reliability.
• Collaborated with technical teams and stakeholders to support testing cycles and product improvements.
• Performed functional and exploratory testing across different scenarios to ensure system behaviour met expected requirements.
• Contributed to maintaining quality standards in a fast-paced, production-driven environment.