Jan 2020 – Mar 2023 · 3 yrs 2 mos

• . Partner with customers to provide unified solutions to secure remote access to their resources.
• . Develop and maintain technical relationships with Citrix partners and resellers to improve Sales productivity.
• . Assist customers enhancing Application Security with API Gateway [WAAP].
• . Implement proof-of-concepts and custom demonstrations based on customers’ needs.
• . Collaborate with TAM and PM teams to architect solutions for on-premises and Cloud/SaaS environments that satisfy customers' security and business needs.
• . Assist customers designing redundancy and DR/BCP strategies.
• . Help customers to enhance their user experience and security posture by leveraging the SSE/SASE model:
• Migrating from legacy VPN solutions to ZTNA with Secure Private Access to on-premises applications.
• Securing and optimizing traffic from branch offices to main data center, internet, and SaaS applications using SD-WAN.
• Combining Adaptive Authentication [MFA], End Point Analysis [EPA], and Geofencing to provide contextual access to resources.
• Enhancing application security with IP Reputation, Bot Management, Rate Limiting, and Web Application Firewall [WAF].
• Protecting against Volumetric DDoS & Application Layer attacks [FWaaS].
• Demonstrating how to obtain visibility & telemetry of network traffic.
• Monitoring and controlling SaaS and Internet traffic with Secure Internet Access [including SWG, CASB, and DLP features]

Jan 2016 – Jan 2021 · 5 yrs

• . Subject Matter Expert in Citrix Gateway, Global Server Load Balancing [GSLB], SAML authentication, and Application Delivery Management [ADM].
• . Assisted customers implementing more complex solutions involving TCP and HTTP optimizations [Cache and Compression], and TLS profiles for SSL encryption.
• . Became single point of contact for some large-scale organizations with multiple technically complex and politically hot cases.
• . Contributed to team’s success creating several technical articles and troubleshooting scripts for Technical Support Engineers.
• . Led project running preliminary logs analysis for escalated cases to provide action items to Engineers and reducing time to resolution.
• . Selected as member of the Network Security team to assist customers addressing security vulnerabilities and becoming A+ certified.
• . Mentored senior and new Escalation Engineers.
• . Assisted customers deploying Citrix Gateway integrating with Storefront & Citrix Virtual Apps and Desktops.
• . Assisted customers troubleshooting medium/large-scale enterprise environments involving multiple ADC components [CS, LB, GSLB, SSL, Citrix Gateway, Rewrite/Responder Policies, ADM, ITM]
• . Assisted Frontline and Escalation Engineers analyzing network traces with Wireshark, tshark, Regex, and Linux scripts.
• . Collaborated with DevAnalysis and Engineering teams troubleshooting ADC and ADM related issues.

Jan 2014 – Jan 2016 · 2 yrs

• . Installed and configured NetScaler systems (ADC and Gateway) for the networking team.
• . Troubleshot small/medium/large scale environments assisting network /security admins to address issues related to networking, load balancing (FTP, TFTP, SQL, RDP, HTTP, HTTPS, DNS, etc.), security vulnerabilities, Citrix Gateway [ICA, VPN, and CVPN], CS, URL Rewrite and Responder.
• . Troubleshot Web Interface, StoreFront, and Secure Gateway related issues.
• . Mentored and trained new hires.
• . Collaborated. with offline and escalation engineers to replicate and troubleshoot customer’s issues.
• . Assisted team members in SSL/TLS certificate-related issues.
• . Tools: Wireshark, OpenSSL, Unix/Linux scripts.
• . Maintained an accurate and detailed case documentation in Salesforce (CRM).
• . Deployedmultiple XenApp environments (5.0, 6.0, 6.5, 7.5, 7.6).
• . Supported System Admins to get their XenApp/XenDesktop environments up and running.
• . Troubleshot Microsoft AD DS, RDS, GPO, CA, SQL, roaming/local profiles, File and printing servers, and DNS components interacting with Citrix products.
• . Troubleshot client side Citrix components including Receiver for Windows, Mac, Android, and iOS.
• . Integrated XenApp environments with different Citrix products such as XenDesktop, Web Interface, Storefront, Secure Gateway, NetScaler Gateway, Universal Print Server Manager, Citrix Profile Management, etc.

Jan 2012 – Jan 2013 · 1 yr · Miami/Fort Lauderdale Area

• . Provided training for students in network infrastructure on Windows Server 2012.

Jan 2011 – Jan 2014 · 3 yrs · Miami/Fort Lauderdale Area

• . Installed and configured network servers on a Microsoft-based platform such us WS 2008 R2 and WS 2012, as well as Mac OS X 10.8 Server and CentOS 6.4.
• . Configured networking services on CentOS 6.4 (Apache2 and SSL, dhcpd, Bind, VSFTPd, MySQL, phpMyAdmin, IPTables, Drupal 6 & 7, Nagios 3.x, Postfix, snmpd with MRTG and Cacti, Samba), as well as system administration with Webmin, crond, rsync, and bash scripting.
• . Installed, configured, and troubleshot Microsoft network services on Windows Server 2008 R2 (ADDS, DHCP, DNS, IIS 7, CA, WDS, DFS, File/Print sharing, SQL Server, and WSUS).
• . Expanded a multiple sites and subdomains AD infrastructure with 400+ user accounts.
• . Installed and upgraded Mac servers to OS X 10.8.
• . Configured and troubleshot Apple network services (AFP, SMB, Web, DHCP, FTP, WiFi, Time Machine).
• . Implemented multiples ESS WLAN using Airports (Express, Extreme, and Time Capsule).
• . Migrated physical servers to a virtualized environment (VMware ESXi 5.0, Hyper-V).
• . Implemented VLANs for network segmentation on Cisco SB switches (VTP, trunk ports, port security).
• . Configured firewall, routing, NAT, and VPN solutions (ASA 5505/5510, Cisco RV082, IPTables, Windows Firewall).
• . Configured and troubleshooted IP PBX implementations (Epygi), as well as SIP phones (Aastra, Grandstream, Yealink).
• . Implemented a centralized antivirus control solution with Symantec Endpoint Protection 11.0.
• . Developed and maintained a detailed and accurate network documentation, including both logical and physical topologies.
• . Designed structured cabling for branch offices.
• . Implemented ticket management system (Web Help Desk from Solarwinds) to provide IT infrastructure and application support to end-users.
• . Analyzed and solved user requests as well as network related problems escalated from Tier-1 technicians.

Jan 2009 – Jan 2011 · 2 yrs

• . Designed and implemented a structured cabling.
• . Installed and configured Microsoft network services (ADDS, DNS, DHCP, IIS 6, File/Print sharing, WSUS) on Microsoft Windows Server 2003.
• . Installed and configured network services on a linux-based environment (Apache2, Squid, Postfix, IPTables, Shorewall, MySQL, PostgreSQL, SVN)
• . Installed, configured, and maintained company's websites (www.etecsa.cu, www.cubasi.cu).
• . Installed and configured a centralized antivirus control solution with Kaspersky Security Center.
• . IT support to end-users (installing and configuring Windows XP, printer configuration, internet access).