diff --git a/lib/init.js b/lib/init.js
index e9c483238..38a256847 100644
--- a/lib/init.js
+++ b/lib/init.js
@@ -48,9 +48,24 @@ async function runInit(codeql, config) {
           [String]
           $tracer
       )
-      Get-Process -Name Runner.Worker
-      $process=Get-Process -Name Runner.Worker
-      $id=$process.Id
+
+      # Go up the process tree until finding an ancestor called "Runner.Worker.exe"
+      # A new Runner.Worker is spawned for each job. It is spawned by a process
+      # called Runner.Listener that persists for the life of the worker.
+      $id = $PID
+      while ($true) {
+        $p = Get-CimInstance -Class Win32_Process -Filter "ProcessId = $id"
+        Write-Host "Found process: $p"
+        if ($p -eq $null) {
+          throw "Could not determine Runner.Worker.exe process"
+        }
+        if ($p[0].Name -eq "Runner.Worker.exe") {
+          Break
+        } else {
+          $id = $p[0].ParentProcessId
+        }
+      }
+
       Invoke-Expression "&$tracer --inject=$id"`);
         await new toolrunnner.ToolRunner('powershell', [
             injectTracerPath,
diff --git a/lib/init.js.map b/lib/init.js.map
index 20020e6d3..80a5c9970 100644
--- a/lib/init.js.map
+++ b/lib/init.js.map
@@ -1 +1 @@
-{"version":3,"file":"init.js","sourceRoot":"","sources":["../src/init.ts"],"names":[],"mappings":";;;;;;;;;AAAA,0EAA4D;AAC5D,uCAAyB;AACzB,2CAA6B;AAE7B,gEAAkD;AAClD,qCAA+C;AAC/C,4DAA8C;AAG9C,mDAAwE;AACxE,6CAA+B;AAExB,KAAK,UAAU,UAAU,CAC9B,SAA6B,EAC7B,UAAkB,EAClB,SAAiB,EACjB,OAAe,EACf,QAAgB,EAChB,IAAe,EACf,MAAc;IAEd,MAAM,CAAC,UAAU,CAAC,oBAAoB,CAAC,CAAC;IACxC,MAAM,MAAM,GAAG,MAAM,oBAAW,CAC9B,SAAS,EACT,UAAU,EACV,SAAS,EACT,OAAO,EACP,QAAQ,EACR,IAAI,EACJ,MAAM,CAAC,CAAC;IACV,MAAM,MAAM,CAAC,YAAY,EAAE,CAAC;IAC5B,MAAM,CAAC,QAAQ,EAAE,CAAC;IAClB,OAAO,MAAM,CAAC;AAChB,CAAC;AArBD,gCAqBC;AAEM,KAAK,UAAU,UAAU,CAC9B,cAAkC,EAClC,YAAgC,EAChC,UAA8B,EAC9B,UAAyB,EACzB,OAAe,EACf,YAAoB,EACpB,MAAc,EACd,YAAoB,EACpB,UAAkB,EAClB,SAAiB,EACjB,MAAc;IAEd,MAAM,CAAC,UAAU,CAAC,6BAA6B,CAAC,CAAC;IACjD,MAAM,MAAM,GAAG,MAAM,WAAW,CAAC,UAAU,CACzC,cAAc,EACd,YAAY,EACZ,UAAU,EACV,UAAU,EACV,OAAO,EACP,YAAY,EACZ,MAAM,EACN,YAAY,EACZ,UAAU,EACV,SAAS,EACT,MAAM,CAAC,CAAC;IACV,aAAa,CAAC,uBAAuB,CAAC,MAAM,EAAE,MAAM,CAAC,CAAC;IACtD,MAAM,CAAC,QAAQ,EAAE,CAAC;IAClB,OAAO,MAAM,CAAC;AAChB,CAAC;AA7BD,gCA6BC;AAEM,KAAK,UAAU,OAAO,CAC3B,MAAc,EACd,MAA0B;IAE1B,MAAM,UAAU,GAAG,IAAI,CAAC,OAAO,EAAE,CAAC;IAElC,EAAE,CAAC,SAAS,CAAC,IAAI,CAAC,qBAAqB,CAAC,MAAM,CAAC,OAAO,CAAC,EAAE,EAAE,SAAS,EAAE,IAAI,EAAE,CAAC,CAAC;IAE9E,sEAAsE;IACtE,KAAK,IAAI,QAAQ,IAAI,MAAM,CAAC,SAAS,EAAE;QACrC,yBAAyB;QACzB,MAAM,MAAM,CAAC,YAAY,CAAC,IAAI,CAAC,qBAAqB,CAAC,MAAM,CAAC,OAAO,EAAE,QAAQ,CAAC,EAAE,QAAQ,EAAE,UAAU,CAAC,CAAC;KACvG;IAED,MAAM,YAAY,GAAG,MAAM,uCAAuB,CAAC,MAAM,EAAE,MAAM,CAAC,CAAC;IACnE,IAAI,YAAY,KAAK,SAAS,IAAI,OAAO,CAAC,QAAQ,KAAK,OAAO,EAAE;QAC9D,MAAM,gBAAgB,GAAG,IAAI,CAAC,IAAI,CAAC,MAAM,CAAC,OAAO,EAAE,mBAAmB,CAAC,CAAC;QACxE,EAAE,CAAC,aAAa,CAAC,gBAAgB,EAAE;;;;;;;;;gDASS,CAAC,CAAC;QAE9C,MAAM,IAAI,WAAW,CAAC,UAAU,CAC9B,YAAY,EACZ;YACE,gBAAgB;YAChB,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC,OAAO,CAAC,MAAM,CAAC,OAAO,EAAE,CAAC,EAAE,OAAO,EAAE,OAAO,EAAE,YAAY,CAAC;SAC7E,EACD,EAAE,GAAG,EAAE,EAAE,4BAA4B,EAAE,YAAY,CAAC,IAAI,EAAE,EAAE,CAAC,CAAC,IAAI,EAAE,CAAC;KACxE;IACD,OAAO,YAAY,CAAC;AACtB,CAAC;AArCD,0BAqCC"}
\ No newline at end of file
+{"version":3,"file":"init.js","sourceRoot":"","sources":["../src/init.ts"],"names":[],"mappings":";;;;;;;;;AAAA,0EAA4D;AAC5D,uCAAyB;AACzB,2CAA6B;AAE7B,gEAAkD;AAClD,qCAA+C;AAC/C,4DAA8C;AAG9C,mDAAwE;AACxE,6CAA+B;AAExB,KAAK,UAAU,UAAU,CAC9B,SAA6B,EAC7B,UAAkB,EAClB,SAAiB,EACjB,OAAe,EACf,QAAgB,EAChB,IAAe,EACf,MAAc;IAEd,MAAM,CAAC,UAAU,CAAC,oBAAoB,CAAC,CAAC;IACxC,MAAM,MAAM,GAAG,MAAM,oBAAW,CAC9B,SAAS,EACT,UAAU,EACV,SAAS,EACT,OAAO,EACP,QAAQ,EACR,IAAI,EACJ,MAAM,CAAC,CAAC;IACV,MAAM,MAAM,CAAC,YAAY,EAAE,CAAC;IAC5B,MAAM,CAAC,QAAQ,EAAE,CAAC;IAClB,OAAO,MAAM,CAAC;AAChB,CAAC;AArBD,gCAqBC;AAEM,KAAK,UAAU,UAAU,CAC9B,cAAkC,EAClC,YAAgC,EAChC,UAA8B,EAC9B,UAAyB,EACzB,OAAe,EACf,YAAoB,EACpB,MAAc,EACd,YAAoB,EACpB,UAAkB,EAClB,SAAiB,EACjB,MAAc;IAEd,MAAM,CAAC,UAAU,CAAC,6BAA6B,CAAC,CAAC;IACjD,MAAM,MAAM,GAAG,MAAM,WAAW,CAAC,UAAU,CACzC,cAAc,EACd,YAAY,EACZ,UAAU,EACV,UAAU,EACV,OAAO,EACP,YAAY,EACZ,MAAM,EACN,YAAY,EACZ,UAAU,EACV,SAAS,EACT,MAAM,CAAC,CAAC;IACV,aAAa,CAAC,uBAAuB,CAAC,MAAM,EAAE,MAAM,CAAC,CAAC;IACtD,MAAM,CAAC,QAAQ,EAAE,CAAC;IAClB,OAAO,MAAM,CAAC;AAChB,CAAC;AA7BD,gCA6BC;AAEM,KAAK,UAAU,OAAO,CAC3B,MAAc,EACd,MAA0B;IAE1B,MAAM,UAAU,GAAG,IAAI,CAAC,OAAO,EAAE,CAAC;IAElC,EAAE,CAAC,SAAS,CAAC,IAAI,CAAC,qBAAqB,CAAC,MAAM,CAAC,OAAO,CAAC,EAAE,EAAE,SAAS,EAAE,IAAI,EAAE,CAAC,CAAC;IAE9E,sEAAsE;IACtE,KAAK,IAAI,QAAQ,IAAI,MAAM,CAAC,SAAS,EAAE;QACrC,yBAAyB;QACzB,MAAM,MAAM,CAAC,YAAY,CAAC,IAAI,CAAC,qBAAqB,CAAC,MAAM,CAAC,OAAO,EAAE,QAAQ,CAAC,EAAE,QAAQ,EAAE,UAAU,CAAC,CAAC;KACvG;IAED,MAAM,YAAY,GAAG,MAAM,uCAAuB,CAAC,MAAM,EAAE,MAAM,CAAC,CAAC;IACnE,IAAI,YAAY,KAAK,SAAS,IAAI,OAAO,CAAC,QAAQ,KAAK,OAAO,EAAE;QAC9D,MAAM,gBAAgB,GAAG,IAAI,CAAC,IAAI,CAAC,MAAM,CAAC,OAAO,EAAE,mBAAmB,CAAC,CAAC;QACxE,EAAE,CAAC,aAAa,CAAC,gBAAgB,EAAE;;;;;;;;;;;;;;;;;;;;;;;;gDAwBS,CAAC,CAAC;QAE9C,MAAM,IAAI,WAAW,CAAC,UAAU,CAC9B,YAAY,EACZ;YACE,gBAAgB;YAChB,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC,OAAO,CAAC,MAAM,CAAC,OAAO,EAAE,CAAC,EAAE,OAAO,EAAE,OAAO,EAAE,YAAY,CAAC;SAC7E,EACD,EAAE,GAAG,EAAE,EAAE,4BAA4B,EAAE,YAAY,CAAC,IAAI,EAAE,EAAE,CAAC,CAAC,IAAI,EAAE,CAAC;KACxE;IACD,OAAO,YAAY,CAAC;AACtB,CAAC;AApDD,0BAoDC"}
\ No newline at end of file
diff --git a/src/init.ts b/src/init.ts
index 4341fc61d..6703eb809 100644
--- a/src/init.ts
+++ b/src/init.ts
@@ -87,9 +87,24 @@ export async function runInit(
           [String]
           $tracer
       )
-      Get-Process -Name Runner.Worker
-      $process=Get-Process -Name Runner.Worker
-      $id=$process.Id
+
+      # Go up the process tree until finding an ancestor called "Runner.Worker.exe"
+      # A new Runner.Worker is spawned for each job. It is spawned by a process
+      # called Runner.Listener that persists for the life of the worker.
+      $id = $PID
+      while ($true) {
+        $p = Get-CimInstance -Class Win32_Process -Filter "ProcessId = $id"
+        Write-Host "Found process: $p"
+        if ($p -eq $null) {
+          throw "Could not determine Runner.Worker.exe process"
+        }
+        if ($p[0].Name -eq "Runner.Worker.exe") {
+          Break
+        } else {
+          $id = $p[0].ParentProcessId
+        }
+      }
+
       Invoke-Expression "&$tracer --inject=$id"`);
 
     await new toolrunnner.ToolRunner(