Ronald Blanco

Team: Strata - Escalation Team.

Network Security Professional with more than 4 years of experience specializing in Palo Alto Networks STRATA technologies. Extensive experience in handling technical escalations in a Technical Assistance Center (TAC). Providing effective and quick solutions to complex security problems. Expert in the implementation, configuration and optimization of new generation firewalls as well as in the management and resolution of critical incidents. Noted for his analytical skills, communication skills and commitment to customer satisfaction.

-Deep knowledge of Palo Alto Networks STRATA technologies, including threat management,intrusion prevention, and application control.

-Experience resolving high-level escalations, working directly with development and support teams to identify and resolve complex technical issues.

-Ability to perform detailed diagnosis and provide strategic solutions to network security issues.

-Excellent communication skills,facilitating technical understanding between clients and internal teams.

-Ability to work under pressure in a high-demand technical support environment, maintaining high standards of customer service.

Highly experienced in all Strata Security Technologies including:

GlobalProtect:

• Implementation and configuration of GlobalProtect in internal and external gateway modes, as well as pre-logon mode.
• Troubleshooting connectivity and client configuration issues, including authentication and access policy problems.

IPSEC:

• Setting up IPSEC VPN tunnels for secure site-to-site connectivity.
• Diagnosing and resolving connectivity and performance issues with VPN tunnels.

SD-WAN:

• Implementing SD-WAN solutions to optimize bandwidth usage and enhance network resilience.
• Resolving routing and performance issues in SD-WAN environments.
  

Security Policies and Security Profiles:

• Designing and implementing detailed security policies to protect against advanced threats.
• Configuring security profiles for intrusion prevention, URL filtering, malware analysis, and more.
• Troubleshooting configuration and enforcement issues with security policies.
  

Panorama:

• Utilizing Panorama for centralized management of Palo Alto Networks devices, including configuring, monitoring, and updating security policies.
• Solving synchronization and device management issues through Panorama.
  
• Palo Alto Networks Certified Network Security Engineer (PCNSE)

Linux Systems with ROOT Access:

• Utilized ROOT access on Linux systems for advanced configuration and maintenance tasks.
• Performed system diagnostics, troubleshooting, and optimization to enhance performance and security.

Cisco Tac- Team:SMB

Working as trilingual engineer supporting customers from Brasil in portuguese and english for SMB accounts (small business) contracts.

Working to provide the best level from cisco TAC in multiple technologies for these small business accounts working with the the following networking technologies: LAN switching , nexus data center , AAA security mechanisms.

Multilingual Support:

• Communicated effectively with clients in English, Spanish, and Portuguese, providing clear and concise technical support.
• Created and delivered documentation and training materials in multiple languages to assist clients in understanding and maintaining their network infrastructure.

Cisco Layer 2 Technologies:Configured and maintained Cisco switches and VLANs to optimize network performance and segmentation.
Designed and implemented network topologies to meet the specific needs of small business clients.
Troubleshot Layer 2 network issues, ensuring stable and reliable network connectivity.

Cisco Security Technologies:

• Troubleshooting related to Cisco firewalls, VPNs, and other security appliances to protect network integrity.

CISCO TAC - NEXUS DATA CENTER SENIOR ENGINEER

Sykes-Cisco - 2016 to 2019

Team: DCSW

Senior Engineer working for Cisco Tac and also as escalation resource, responsible for taking high technical Nexus related Cases.

End to End Troubleshooting for Data Center Switching.

Experienced hands on troubleshooting Data-Center Layer 2 Technologies:

VPC-Fabric-Path-Vxlan-VDC Management-OTV

And others:

LACP , HSRP , UDLD , STP , MST , CDP , DHCP , VTP , PVLAN , MULTICAST IGMP , ARP , GARP , PROXY ARP , VLANS, L2FE , BACK FABRICK AND TCAM UTILIZATION PROCCESS.

Expert on the following chassis and nexus platforms :

-Nexus 2k (FEX) (all his varients from nexus 2148T to moderm nexus 2k like the 2348UPQ high level of ASIC troubleshooting on all the FEX 2k cisco plattforms

-Nexus 5k , expert on all nexus 5500 family chassis carmel ASIC , familiar and expert with big sur chassis ASIC (nexus 5600 and nexus 6k)

-Nexus 7k and different cards : F1 , F2 , F3 , M1 , M2 , M3 ,F2E

-Knowledge on Nexus 9k (9300 Family and 9500) High understanding on data centers designs for Unified computing systems Including Application Centric Infrastructure and Application Programming interface on Spine-leaf Topology for Software defined Networking.

WAN NETWORK ENGINEER

Sykes-Cisco - 2014 to 2016

-Responsible for supporting the company's large corporate network across multiple sites. In terms of WAN connections and auxiliary interface connections technical background :

End to end troubleshooting.

Cisco support (Routing, Switching, WAN technologies (Frame Relay, MFR, PPP, Multilink PPP, ATM, Circuit Emulation, SONET, T1,E1, T3, E3) DSL Aggregation technologies( ADSL, ADSL+, VDSL, PPPoE, PPPoA, Layer 2Tunnel Protocol, Intelligent Service Gateway (ISG) Dial-Access(ISDN technology, Terminal Server, Modem (Out of Band connection), and Service Control Engine (SCE).

Duties; Supporting the IP network infrastructure. Responding to client questions via telephone calls and emails. Interacting with customers to determine their needs. Identifying and resolving configuration issues. Maintaining client documentation. Working closely with Telecommunications carriers to resolve network issues. Ensuring that network standards and processes are adhered to all times. Striving to meet all Service Level Agreements (SLA). *QOS Escalation Point Trainer for the account Responsible for providing training related to all areas on the hierarchical internetworking model , from QOS for ethernet , serial to designs perspective for QOS on the storage environment on the nexus side. Expert on different QOS areas for nexus type qos , queing and network.