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(sysprog) A generic job title that covers a variety of specialist roles such as writing low-level code that talks to directly to the operating system on a server.
Typical skills required are experience of specific operating systems, networking (TCP/IP, ATM, Ethernet, DNS), electronic mail (POP, IMAP, SMTP), web servers, RDBMS, operating system and network security, and hardware (SCSI, hard disks, and backup devices).
Contrast: system administration.