Well, by looking at a couple of the openings they have listed on Monster, I found this:
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Proven support skills on HP-UX, AIX and Solaris platforms as well as a firm understanding of NT/2000 and NetWare operating systems.
Demonstrated scripting skills with Korn and PERL. Familiarity with mainframe concepts and connectivity to mainframe/UNIX via SNA a plus.
Hands-on experience with enterprise backup products (Legato Networker), NTFS setup and user/group setup relative to backups. Familiar with HP MC/Service Guard, high availability concepts to include SAN’s, EMC, Oracle, Apache and STK storage devices.
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I would say you may run into more than just Access!