Solaris 10 introduced some changes related to how services are started. The Autosys agent process: auto_remote is managed via the SMF facility. This document outlines a way to add or modify an environment variable for the auto_remote process.
For example, to add /usr/local/lib to the LD_LIBRARY_PATH follow these steps (as root):
Release: ATSY1C99000-4.5-AutoSys-Job Management-Class 1 Remote Agent