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Jan HerreraJH

Jan Herrera

Network Security | Firewalls | Troubleshooting

260 €/día
Madrid, ES
3-7 años

Tiempo medio de respuesta: 1h

Acerca de Jan

Perimeter security specialist with over 5 years of experience in firewall management, network access control (NAC), and advanced troubleshooting. I help companies strengthen their defenses against external threats, ensuring a secure and efficient infrastructure.

I have managed security infrastructures for companies in sectors such as bank, telecommunications, and retail. My expertise includes next-generation firewalls, network segmentation, access policies, and intrusion detection.

✅ What I can do for you:

Deployment and management of firewalls (Fortinet, Palo Alto, Check Point, Cisco ASA).

Configuration and administration of NAC solutions (Cisco ISE, Aruba ClearPass).

Advanced troubleshooting in perimeter security environments and networking in general.

Firewall rule optimization for better performance and security.

Incident investigation and mitigation in network perimeter security.
  • Español

    Bilingüe o nativo

  • Inglés

    Competencia profesional básica

Acepta trabajo presencial
Madrid (hasta 50 km)

Experiencia

  • GMV
    Network Security Engineer
    junio de 2021 - Hoy (5 años)
    Community of Madrid, Spain
    • Technical consulting specialized in the management of perimeter security infrastructures and recognition of
    network threats.
    • Installation and Upgrade of perimeter security infrastructures
    • Technical Support and Troubleshooting
  • Newry Global Media S.L.
    System and Network Administrator
    julio de 2019 - junio de 2021 (1 año y 11 meses)
    Community of Madrid, Spain
    • Network security management.
    • Network, servers, and IT services management.
    • Planning and implementation of backup and monitoring solutions.
  • Containers Terminal Mariel
    IT Specialist
    septiembre de 2013 - enero de 2019 (5 años y 4 meses)
    Mariel, Havana, CH, Cuba
    • TOS (Terminal Operating System) Servers Management.
    • Network, servers, and IT services management.
    • Storage network management.
    • Technical support and Helpdesk.

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Formación

  • Ingeniero en Telecomunicaciones y Electrónica
    Universidad Tecnológica de La Habana
    2011

Certificados

Conjunto de habilidades profesionales (16)

Categorías