Sergio Andres Pinzon Sarmiento
About
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Ingeniero en Telecomunicaciones
Bucaramanga, Santander, Colombia
Résumé
Jobs
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NOC Tier 2 EngineerTesys NetworksMay 2024 - May 2026 (2 years 1 month)Primary escalation point for NOC Team, providing advanced support for complex network issues. Manage and troubleshoot multi-vendor infrastructure including Fortinet, Palo Alto, Cisco, Meraki, and Ubiquiti. Handle VPNs, firewalls, routing, switching, and wireless technologies. Monitor network performance, provide proactive maintenance, and mentor Level 1 staff. Interface with customers, document activities, collaborate on upgrades, and participate in on-call rotations. Managed multi-vendor perimeter infrastructure, routed VPN connectivity, and administered cloud identity in Microsoft Azure and Entra ID. Standardized infrastructure upgrade procedures, patch management workflows, and technical escalation paths for permanent issue remediation.- Technical Support Engineer public Remote experienceFortinetApr 2022 - May 2024 (2 years 2 months)Technical support to small and medium clients of the Fortigate device in its different modalities. Analysis and resolution of problems at the end user level on topics such as: Remote VPNs, Site-to-site VPNs, SD-WAN, DHCP, DNS, DDNS, Routing, web filtering, IPS sensor, etc. Resolved critical enterprise routing, SD-WAN, and firewall issues; conducted deep-packet analysis (Wireshark) to optimize high-availability network architectures. Configured and optimized complex enterprise routing, SD-WAN rules, application control policies, and firewall objects.
- Senior Security AnalystTeleperformance SpainSep 2021 - Apr 2022 (8 months)- Risk assessment, security software management for mobile computers, remote VPN access, disk encryption management PGP. Part of the integrated management system, internal auditor of ISO27001. Analysis of phishing and other types of attack vectors.
- Supported the initial deployment and installation of security baseline controls across corporate systems and verified host system hardening. Documented internal compliance processes and supported documentation for corporate ISO 27001 certification. Conducted root-cause security incident investigations, triaged phishing campaigns, and analyzed modern web attack vectors. Authored and enforced security baseline controls, standardized triage procedures for phishing campaigns, and created compl - Profesor Adjunto DiplomadoFundacion Universitaria Comfenalco SantanderAug 2021 - Apr 2022 (9 months)Profesor educacion continua Diplomado en Fundamentos de Seguridad de la Informacion.
El contenido incluye:
- Introducción a la Seguridad Informática.
- Conceptos generales Seguridad Información.
- Fundamentos de redes e infraestructura de seguridad.
- Criptografía.
- Hacking.
- Legislación y estandares. - InfoSec OfficerAccedo TechnologiesFeb 2020 - Sep 2021 (1 year 8 months)- Create information security strategies, risk assessment for all new and existing systems, monitor all ongoing activities related to the development, implementation and maintenance of security policies and procedures of the information
- Assess security incidents and determine what answer give, develop training and education programs on security awareness, ensure that vulnerabilities are handle by conducting periodic vulnerability scans of the Technological infrastructure.
- Authored security policies, developed incident response protocols, designed security awareness programs, and compiled PCI DSS / ISO 27001 compliance audit documentation. Acted as technical coordinator during critical security incidents, designing incident res - IT Helpdesk SeniorAccedo TechnologiesJun 2019 - Feb 2020 (9 months)- Technology asset management, help desk team leader, allocation of technical resources and personnel, technical expertise and assignment of workflow, tasks in collaboration with other areas technological
- Second-level support on workstations Windows, MS Office, applications, IP telephony, in charge of the area when the IT Manager is not available.
- Led Windows Server enterprise operations, Active Directory lifecycle management, and GPO baseline deployment. Scripted administrative tasks for Windows Server 2012, Active Directory object lifecycle management, and bulk GPO configurations. Executed physical hardware, server, and end-user workstation installations. Led technology asset management and physical inventory warehousing for - IT Helpdesk JuniorAccedo TechnologiesAug 2017 - May 2019 (1 year 10 months)First level support in computer equipment, hardware maintenance, network equipment and Windows OS configuration. Execution of maintenance plans for network equipment and servers. Prepare periodic reports on the state of the network and its devices. Manage the incidents and requests received by email or telephone call by the client. Executed physical hardware, server, and end-user workstation installations, software provisioning, active domain integrations, and network infrastructure equipment rollouts. Managed physical storage, inventory receiving, and maintenance checklists for server and network hardware components. Maintained baseline server health for Windows Server systems running IIS.
Education
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- CCEH (Certified Ethical Hacker)Jan 2020 - Jun 2020 (6 months)
- IInternal Auditor (ISO 27001:2013)Jan 2019 - Mar 2019 (3 months)- Certificado Auditor Interno
- Information Security SpecializationUniversidad Pontificia BolivarianaAug 2018 - Apr 2021 (2 years 9 months)
- UIngeniería de TelecomunicacionesUniv ersidad Santo TomasAug 2008 - Dec 2013 (5 years 5 months)
Projects (professional or personal)
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- AutomationTesys NetworksMay 2024 - May 2026 (2 years 1 month)Leveraged scripting (Python, PowerShell/CLI tools) alongside N8N to automate security workflows, log ingestion, and patch maintenance routines.