简介：Thispaperaddressesthepresent-daycontextofSystemsEngineering,revisitingandsettingupanupdatedframeworkfortheSIMILARprocessinordertouseittoengineerthecontemporarysystems.Thecontemporaryworldiscrowdedoflargeinterdisciplinarycomplexsystemsmadeofothersystems,personnel,hardware,software,information,processes,andfacilities.Anintegratedholisticapproachiscrucialtodevelopthesesystemsandtakeproperaccountoftheirmultifacetednatureandnumerousinterrelationships.Asthesystem'scomplexityandextentgrow,thenumberofpartiesinvolved(stakeholdersandshareholders)usuallyalsoraises,bringingtotheinteractionaconsiderableamountofpointsofview,skills,responsibilities,andinterests.TheSystemsEngineeringapproachaimstotacklethecomplexandinterdisciplinarywholeofthosesocio-technicalsystems,providingthemeanstoenabletheirsuccessfulrealization.Itsexploitationinourmodernworldisassuminganincreasingrelevancenoticeablebyemergentstandards,academicpapers,internationalconferences,andpost-graduateprogrammesinthefield.Thisworkaimstoprovide'thepicture'ofmodernSystemsEngineering,andtoupdatethecontextoftheSIMILARprocessmodelinordertousethisrenewedframeworktoengineerthechallengingcontemporarysystems.Theemergingtrendsinthefieldarealsopointed-outwithparticularreferencetotheModel-BasedSystemsEngineeringapproach.