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]

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

SOE
       Sony Online Entertainment (Sony)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

SOE
       Standard Operating Environment


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

SOE
       Standards of Excellence


The Free On-line Dictionary of Computing (30 December 2018):

Standard Operating Environment
SOE

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

   (2007-06-11)