Cesar Gustavo Lopez Zamarripa

Experience

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  Palacio Municipal Cuautitlán Izcalli

  Jul 2007 - Nov 2008

  Tech Support

  Troubleshooting. Computer Maintenance. Software Installing.Tools:Windows Vista and XP. Office XP. Norton Antivirus. Windows Server 2000. Cisco Switches

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  DIF Naucalpan

  Jan 2009 - May 2009

  PHP Developer

  Define functional specifications. Develop functional prototype. Write user interface specification. Database design. Distributed systems methodologies. UML Unified Modeling Language.Tools:Dream weaver, MySQL, PHP, HTML, Ubuntu.

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  IBM Global Services

  Jul 2009 - Oct 2011

  Security Specialist

  • Responsible for managing perimeter security for many clients. Including banks, governmental organizations and private companies. • Analysis and Implementation of LDAP communication between Blue Coat Appliances and Microsoft Active Directory.• Responsible for communication management in Change Controls, Requirements and Incidents.• Second level tech support: Providing solutions for Proventia Systems, Blue Coat Web Filters and Check Point Firewalls.• Responsible for optimizing Nortel Alteon Switches performance.• Defining Access Control Lists for Cisco Firewalls.• Responsible for monitoring and troubleshooting Firewalls, IPS, Routers and Switches behavior and guarantee it optimal functioning. Functional Experience:ITIL Change Management. Define Incident solutions. Performance and resource monitor. Attending first and second level tickets. Policy creation and optimization.Tools:Blue Coat Proxy Appliances 8100 and 800. ProxySG OS. Websense Web Filter. Proventia Network Mail Security System. Proventia Multifunction Security. Proventia Network IPS. Check Point and Nokia Firewall. Check Point SmartConsole R71.20. Nortel Application Switch. Juniper ScreenOS. Cisco IOS. Cisco ZBF. Cisco Stateful Firewall. Cisco Swtiches 2900. Cisco Routers. Cisco VPN ASA. Cisco Multilayer Switches. Microsoft Active Directory. Microsoft Exchange. ITIL v3 Foundation. TCP/IP. Frame Relay. BGP Show less

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  Softtek

  Sept 2011 - Nov 2013

  Network Engineer

  • Troubleshooting routing, switching, balancing and security devices involved on a high availability environment.• Working with SOC to mitigate attacks and vulnerabilities.• Supporting Network Operation Center on critical issues involving Networking.• Working on PCI audits and compliance enhancement.• Responsible of assigning new IP’s and ports for recent devices or services.• Creation of Virtual IP’s, Access Lists, real server farms, and reconfiguration needed for new projects.• Monitoring network and security devices for its proper work.• Contact Internet providers or device providers for resolutions needing third parties.• Resolving requests, incidents, problems and tasks which involve network and security devices.Tools:Cisco routers and switches (RS1006, SW6000, SW4000, Nexus, 12000 ,7000, 2000, ASR) Cisco ASA5500 5525, 2280 and PIX) Citrix NetScaler and F5 BIGIP balancers, Foundry Switches, Juniper MX routers and SRX firewalls Sourcefire IDS and Taps, Spectrum CA, NetCool, Unicenter Helpdesk Tool., Arbor Peak Flow, NetMRI, Dreamweaver. Show less

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  Cisco

  Dec 2013 - now

  Highest level of escalation for Cisco Technical Assistance Center firewall and perimetral security technologies.Works alongside the People Leadership to identify and address operational opportunities. Develops technical talent across CX Centers through new learning methodologies, training, mentorship, and talent program creation.Enhances CX employee's and customers' experience with Cisco products through automation and process improvement opportunities.Partner with engineering to fix complex defects and serviceability gaps.Publishes documentation and videos at Cisco.com and functions as a speaker at conferences and partner enablement events. Show less Drives customer satisfaction and takes ownership for customer success. Fully identifies and resolves issues identified within the case.Has a transactional level impact.Applies known solutions to solve problems. Works on problems of moderate scope and complexity that require more analysis and inquiry.Is expanding product knowledge and learning how the product is supposed to work. Developing technical skills and knowledge, advancing beyond the fundamentals in at least one area.Effectively seeks assistance from other CSEs for problem resolution when required. May assist other CSEs with problem resolution.Has a moderate knowledge of common global customer issues and is able to relate these issues to the impact on their TAC team.Submits bug in collaboration with senior engineers, including all required related information.Builds and utilizes basic to moderate complexity lab setups to duplicate and resolve problems.Uses content for efficient problem resolution. Creates and refines content within technology area.May mentor and develop more junior CSEs. Actively seeks a mentor to continue building skills. Show less

  • Senior Security Technical Leader

    Nov 2022 - now

  • Security Technical Leader

    Jan 2020 - Nov 2022

  • Technical Consultant Engineer

    Dec 2013 - Jan 2020