The Collaborative International Dictionary of English v.0.48:

Soe \Soe\, n. [Scot. sae, say, saye; cf. Icel. s[=a]r a large
   cask, Sw. s? a tub.]
   A large wooden vessel for holding water; a cowl. [Obs. or
   Prov. Eng.] --Dr. H. More.
   [1913 Webster]

The Free On-line Dictionary of Computing (19 January 2023):

Standard Operating Environment
SOE

    (SOE) A specification of the architecture,
   operating systems, application set and configuration of
   computers within an organisation.

   (2007-06-11)