ITSM Serena ChangeMan Deployment IBM OnDemand Admin COBOL CICS

Linux Administration AIX Puppet TCP/UDP Storage Management

COBOL JCL VSAM DB2 CICS

ADABAS SQL Server. JCL

Z/OS 2.4 HCD/IODEF Z13S Z15 SMP/E

Zabbix icinga collectd Prometheus heapster

TCP/IP UNIX IBM AIX Linux HP-UX

DB2 ADABAS and MQ Systems programm... SMP/E. Z/OS IMS

Java Cobol JCL VSAM Db2

COBOL JCL VSAM CICS Business Analyst

HTTP TCP/IP SQL Microsoft.Net Framework Web Services security

SDN SDA ISE TCP/IP OSPF

DNS DHCP TCP/IP Microsoft Server technologies... File/Folder Permissions

Kafka API ACL Kafka zookeepers Kafka connect

C C++ Linux device drivers Kernal