Technical Support for z/OS, Connect:Direct, Printing solutions and Network services including TCP/IP, VTAM, SMTP, TN3270, OMPROUTE, Policy Agent, zOSMF, OSA-Express 10Gbps. RACF, NJE, Unix System Services, JES2, Digital Certificate, Connectivity, RMF,Netmaster, Netview.

* Since January/1991 started to work as technical support analyst responsible to maintain the network infrastructure in mainframe platform (SNA and TCP/IP) and also the printing management solution in MVS operating system. In terms of protocols used at that time, the following were supported: BSC-3, X.25, SDLC, Ethernet. Also I have given support to CCU 3705, 3725, 3745/46, OSA-2. * Implementation of the following services: * TN3270 * FTP * NJE over SNA * Tivoli Netview for Network Management * CA-Spool for Printing Management.

* Started the activities in July/2000 as Technical Support Analyst responsible for the following technologies: * Network architecture in mainframe platform SNA and TCP/IP). * Routing protocols: RIP, RIPv2, OSPF * LAN: Token-Ring and Ethernet * Network application services protocols: LU6.2, SMTP, SNMP, FTP, TELNET. * Hardware: 3745/46 (SNA and IP) * OSA-2, OSA Express 2, 3 and 4S * Printing and Report Management * Technologies implemented: * NJE over TCP/IP * RRSF over APPC * CSSMTP * Hipersocket with zIIP * Policy Agent for QoS * VIPA Dynamic with Sysplex Distributor * OSA/SF * APPN/EE * Outsourcing for high volumes of printing reports * Policy Agent for AT-TLS. * Secure Printing * Printing Management with VPS/DRS by LRS. * Web Access and Report Browse. * NPF and LPD configuration and administration.