System engineer focused on z/OS, with experience in the following subjects:.
- VTAM and TCP/IP for z/OS configuration and operation.
- IBM z/OS administration, JCL, JES2, HMC.
- CICS Transaction Server for z/OS configuration.
- IBM system z, Parallel Sysplex and zEnterprise architecture.
- Network security managed by RACF, intrusion detection, certificates management, SSL, TLS, AT-TLS, IPSEC.