diff --git a/Jenkinsfile b/Jenkinsfile
index 5f99a4abd..ce4863175 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -23,8 +23,13 @@ pipeline {
         stage('Build') {
 
             steps {
-                echo 'Building project.'
-                sh './gradlew build publish --stacktrace --warn'
+                withCredentials([
+                    // build_secrets is parsed in SubprojectExtension#loadSecrets
+                    file(credentialsId: 'build_secrets', variable: 'ORG_GRADLE_PROJECT_secretFile'),
+                ]) {
+                    echo 'Building project.'
+                    sh './gradlew build publish --stacktrace --warn'
+                }
             }
         }
     }
@@ -33,7 +38,7 @@ pipeline {
 
         always {
 
-            archiveArtifacts artifacts: '**/build/libs/*.jar', fingerprint: true
+            archiveArtifacts artifacts: '**/build/libs/**/*.jar', fingerprint: true
 
             withCredentials([
                     string(credentialsId: 'discord_webhook_url', variable: 'DISCORD_URL')
diff --git a/buildSrc/src/main/kotlin/dev/engine_room/gradle/subproject/SubprojectExtension.kt b/buildSrc/src/main/kotlin/dev/engine_room/gradle/subproject/SubprojectExtension.kt
index 223538724..94a67712f 100644
--- a/buildSrc/src/main/kotlin/dev/engine_room/gradle/subproject/SubprojectExtension.kt
+++ b/buildSrc/src/main/kotlin/dev/engine_room/gradle/subproject/SubprojectExtension.kt
@@ -14,9 +14,14 @@ import org.gradle.jvm.tasks.Jar
 import org.gradle.jvm.toolchain.JavaLanguageVersion
 import org.gradle.kotlin.dsl.*
 import org.gradle.language.jvm.tasks.ProcessResources
+import java.io.File
+import java.net.URI
+import java.util.*
 
 open class SubprojectExtension(val project: Project) {
     fun init(archiveBase: String, group: String, version: String) {
+        loadSecrets()
+
         setBaseProperties(archiveBase, group, version)
         setupJava()
         addRepositories()
@@ -154,6 +159,48 @@ open class SubprojectExtension(val project: Project) {
             if (project.hasProperty("mavendir")) {
                 maven(project.rootProject.file(project.property("mavendir") as String))
             }
+
+            // Sets maven credentials if they are provided. This is generally
+            // only used for external/remote uploads.
+            if (project.hasProperty("mavenUsername") && project.hasProperty("mavenPassword") && project.hasProperty("mavenURL")) {
+                maven {
+                    credentials {
+                        username = project.property("mavenUsername") as String
+                        password = project.property("mavenPassword") as String
+                    }
+                    url = URI.create(project.property("mavenURL") as String)
+                }
+            }
+        }
+    }
+
+    private fun loadSecrets() {
+        // Detects the secrets file provided by CI and loads it into the project properties
+        if (project.rootProject.hasProperty("secretFile")) {
+            project.logger.lifecycle("Automatically loading properties from the secretFile")
+            val secretsFile = project.rootProject.file(project.rootProject.property("secretFile") as String)
+
+            if (secretsFile.exists() && secretsFile.name.endsWith(".properties")) {
+                loadProperties(secretsFile)
+            }
+        }
+    }
+
+    private fun loadProperties(propertyFile: File) {
+        if (propertyFile.exists()) {
+            val properties = Properties().apply { load(propertyFile.inputStream()) }
+
+            var count = 0
+            for (entry in properties.entries) {
+                if (entry.key is String) {
+                    project.setProperty(entry.key as String, entry.value)
+                    count++
+                }
+            }
+
+            project.logger.lifecycle("Successfully loaded $count properties")
+        } else {
+            project.logger.warn("The property file ${propertyFile.getName()} could not be loaded. It does not exist.")
         }
     }
 }