If I'm invisible when I'm here, I'm doing my job right.
If I'm invisible because I'm absent, the following may provide coverage.

Function Backup
Add/Change PCs/Printers Cheryl Lang
Temporary printer reroute Colette Miller
Cheryl Lang
Erik Skovan

John Ringel
Dayend Coverage Siemens Support Desk
(per documentation)
Shutdown, Power-On-Reset, IPL, FENET reload/swap ??????
Add/Revoke/Reset TSO UserID/PWDs ??????
SUT Passwords & CDReOrg schedules Joe Schneider
Modify REXX'd JCL Leonor Carrillo
(JCL only, not REXX logic)
Running SPARCS jobs ??????
When all else fails, read the documentation on this site.