西门子的协作型工程文化构建 Building a collaborative engineering culture at Siemens

Buildingacollaborative

engineeringcultureatSiemens

OpenSource@西门子2025

2025年10月30日

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Aboutme

GrewupinthelittletownofFlimsintheSwissAlps,askiresort.

Insteadofworkingwithintourismbusiness,

movedtoZürich,thebiggestcityin

Switzerland,and

nowliveinatown15minutesfromZürich.

RogerMeier

DistinguishedEngineer

ServiceOwner

r.meier@siemens.co

m

/author/roger-meie

r/

ActiveinOpenSourcesincethelastmillennium,ascontributorandmaintaineronseveralprojects.

AtSiemenssince2004,incomputersystemengineering,kernelanduserspace,web,softwareandsystem

architectureformultipleproductlines.Thelastfewyearsfocusingon,InnerandOpenSource.

Ienjoycollaboratingwithpeopleacrosstheglobe

and

Iloveengineering!

Unrestricted|©Siemens2025|RogerMeier|

Unrestricted|©Siemens2025|RogerMeier|

BeispielederSiemensAGaus

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Wecommuteincarsdesigned,withSiemenssoftware...

Industrie

…builtinfactoriesrunningonSiemensautomation...

…andchargedbyaSiemenssmartgrid.

BeispielederSiemensAGaus

Weworkinsmartbuildingsthat

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promoteourhealthandsafety…

Infrastruktur

…thatuseenergy

withmaximumefficiency...

…andconnectthephysicalandthedigitalworkplace.

BeispielederSiemensAGaus

Unrestricted|©Siemens2025|RogerMeier|

WebookourtrainticketswithSiemenssoftware…

Mobilität

…totravelontrainsmadebySiemens...

…operatedwithSiemens

infrastructuretechnology.

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MaturityforOpenSourceAdoption

ImageSource:

/blog/reaching-higher-levels-open-source-maturity/

Upstreamfirst!

•Contributebugfixesorfeaturesbacktothecommunity!

•It’sagiveandtake!

Otherwise:

•Short-termfixes/patches

•Noreviewbythemaintainers

•Veryexpensivemid-andlong-

termsolutions,portingfeaturesisheavyworkthatcouldtake

months

•Nochancetodeliversecurityfixesinatimelymanner

•Difficulttobenefitfromnewfeaturesorbugfixes

Why?Domorewiththesamebudget,attracttalents,innovatefaster,reducemaintenanceeffortsandhavefun!

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-DevOpsatscale

Socialcodingplatformtocollaborateoncodewithinminutes.

•>300kbuilds/day

•>84kusers,>77countries

•>30MAPIrequests/day

•>1Mmergerequests/year

•0€licensefees→OpenSource

•Noclassichelpdesk→community

Thousandsofourproductsand

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solutionsaredevelopedanddeployedusing.

Fordevelopers,fromdevelopers

Theinternalbrandstartedwithone“like”

•Arecognizablenameisimportant

•Establishanambassadorcircle

•Communityidentifiesitselfwithbrand

•Knownpeoplebehindthebrand

Wedohavestickers...

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NoHelpDesk

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Fordevelopers,Fromdevelopers

•DocumentationPortal

•Issuetracker

•InternalSocialNetwork

•“HelpYourself”

Greatengagementwithinthecommunity

UpstreamFirst-NoPatches

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ContributionstoGitLabbycompany

•Wedeployonaregularbasis

•Weonlydeployfromupstream

•Weextendwhatwe’reusing

•WecontributetotheecosystemaroundGitLab

>350mergerequeststoGitLab

12electionsasGitLabMVP(mostvaluableperson)withinthecrew

InnerSource-ApplytheOpenSourceprinciplesin-house

Internal:Yearlysummit

•Provideastageforprojects•5theditionin2025

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/space

/

developers

/

InternalPortalwithinsights

Someexamples:

•

•Somecomponents:>1.5kre-uses

•ManagedLinuxclient

•CommonUIcomponents

Ifyou’reabletocollaboratein-house,thenyouarereadyforOpenSource.GetexperiencedOpenSource

developerstoaccelerate.

InnerSourcePatterns-WalktheInnerSourcetalk

AtSiemens,whentheInnerSourcejourneybegan,theearlycontributorsweredeeplyinspiredbytheOpenSourceculture.Forthem,settingupanInner

Sourceplatformwasn’tastretch;itwasanaturalcontinuationofhowthey

alreadyworked:asynchronouslyacrosslocations,sharingideasthroughissues,anddocumentingdecisionstransparently.

ThisOpenSource-inspiredmindsetgavetheInnerSourceplatforma

distinctlydifferentcharacter-transparent,collaborative,anddeveloper-friendly-comparedtotheclosed,proprietaryenvironmentsmanydeveloperswereusedto.

/InnerSourceCommons/InnerSourcePatterns/blob/main/patterns

/

1-initial/wa

l

k-t

h

e-innersour

c

e-talk.m

d

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-Upstreamwork

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16.1

~600commitsfromthecrewtoOpenSourceprojectsinthelastyear

NoteworthyGitLabcontributions

•Protectedpackagesandprotectedcontainerregistry

•Supportforstructuredtext/SCLsyntaxhighlightingtogetherwithMartinWaitz(Mobility)

•IPv6fixestobringittooursharedrunners•Unifiedtokenrevokeendpoint

UpcomingTopics

•Step-upauthenticationatgrouplevel•Tokenprefixforalltokentypes

•See

/gitla

b

-org/gitlab

/-

/merge_requests?search=siemen

s

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OpenSource–Eventseries

2014-2016

OpenSource@BTinZug

2017-2019

OpenSource@BTattheGALVANIK

2020–2025+

OpenSource@SiemensatGALVANIK

•Nobodyrequestedtostartaneventseries.Ifyoubelievein

something,doitandformanalliancewithlike-mindedpeople!

•Startedasinternalonly,nowstreamedtothepublicandwithabout120peopleon-site(speakersandguests).

•Focusontechnologyandcollaborationculture,nosales!

•BalancedmixofexternalandSiemensspeakers

•Callforpresentationsforthenexteventin2026willbepublishedearlynextyear:

/events/2026/

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First,westartedwithaverybasiceventwebsite.

NowwehaveallourOpenSource-relatedtopicsinoneportal.

AllslidesfromOpenSource@西门子willbepublishedthereaswell!

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EmbeddedLinuxDevelopers–AmazingUpstreamWork!

Congratulationsto

•CommonControllerPlatform(CCP)teamatSI

•LinuxExpertCenteratFTRPD

•andothers

Unrestricted|©Siemens2025|RogerMeier|

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Fordevelopers:GetAPIkey,ConfigureIDE,useit

•Everyonecangetstartedinlessthan5minutes

•AlldatastayswithinSiemens

•OpenSourceIDEplugins:continue.dev,Cline,...

•OpenAIcompatibleAPI

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Oursetup,entirelybasedonOpenSourceandin-house

OpenSourceappsandtools

Selfdevelopedappsandtools

Key

Self-service

OpenAIcompatibleAPI

Ofcourse,alsowithintheAIarea,numerouscontributionsfromourteamtotheOpenSourceprojects.

@code-aibot

APIGateway

LLMWorkerLLM

context

LLMWorkerLLM

LLMProxy

Code-AppsChatbot

LLMWorkerLLM

AIenabledservicesonAWSSustainableAIatHQZug

•

/2024/04/open-source-llms-for-everyon

e/

•

/2025/10/our-sovereign-

a

i-journey-building

-

a-se

l

f-contained-sustainab

l

e-and-co

s

t-effective-ll

m

-platform

/

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SustainableAIonourclimate-neutralcampus

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AIassisteddevelopmentandenablementwiththeCodeAIproject

Openweightmodels

areon-parwithcommercialmodels!

ValueforSiemens

•ProvidecosteffectiveandsustainableAIforeveryonewithin-houseGPUs

•Siemenscontextandcodeawareness

•Useforanykindofdataincludingstrongconfidential

•In-housecollaborationknowledge

sharingtomasterthetechnologyend-to-end

•Deploynewmodelswithindays

•Fullstackunderourcontrol,adaptable

toourneeds(e.g.,securityandplagiarism