diff --git a/actions/setup/js/otlp.cjs b/actions/setup/js/otlp.cjs
index 446818fd585..2c74980d587 100644
--- a/actions/setup/js/otlp.cjs
+++ b/actions/setup/js/otlp.cjs
@@ -117,6 +117,7 @@ async function logSpan(toolName, attributes = {}, options = {}) {
       refName: process.env.GITHUB_REF_NAME || "",
       headRef: process.env.GITHUB_HEAD_REF || "",
       sha: process.env.GITHUB_SHA || "",
+      job: process.env.GITHUB_JOB || "",
       workflowRef: process.env.GH_AW_CURRENT_WORKFLOW_REF || process.env.GITHUB_WORKFLOW_REF || "",
       staged,
     });
diff --git a/actions/setup/js/otlp.test.cjs b/actions/setup/js/otlp.test.cjs
index 96d2b1015ff..357384ec98b 100644
--- a/actions/setup/js/otlp.test.cjs
+++ b/actions/setup/js/otlp.test.cjs
@@ -101,6 +101,7 @@ describe("otlp.cjs", () => {
       GITHUB_REF_NAME: process.env.GITHUB_REF_NAME,
       GITHUB_HEAD_REF: process.env.GITHUB_HEAD_REF,
       GITHUB_SHA: process.env.GITHUB_SHA,
+      GITHUB_JOB: process.env.GITHUB_JOB,
       GITHUB_WORKFLOW_REF: process.env.GITHUB_WORKFLOW_REF,
       GH_AW_CURRENT_WORKFLOW_REF: process.env.GH_AW_CURRENT_WORKFLOW_REF,
       GH_AW_INFO_STAGED: process.env.GH_AW_INFO_STAGED,
@@ -414,6 +415,14 @@ describe("otlp.cjs", () => {
 
       expect(mockBuildGitHubActionsResourceAttributes).toHaveBeenCalledWith(expect.objectContaining({ sha: "abc123def456" }));
     });
+
+    it("passes GITHUB_JOB to buildGitHubActionsResourceAttributes when set", async () => {
+      process.env.GITHUB_JOB = "agent";
+
+      await otlp.logSpan("my-scanner", {});
+
+      expect(mockBuildGitHubActionsResourceAttributes).toHaveBeenCalledWith(expect.objectContaining({ job: "agent" }));
+    });
   });
 
   // ---------------------------------------------------------------------------
diff --git a/actions/setup/js/send_otlp_span.cjs b/actions/setup/js/send_otlp_span.cjs
index 6db1766744c..1b102e37f98 100644
--- a/actions/setup/js/send_otlp_span.cjs
+++ b/actions/setup/js/send_otlp_span.cjs
@@ -297,13 +297,14 @@ function buildOTLPResourceAttributes(serviceName, scopeVersion, resourceAttribut
  *   refName?: string,
  *   headRef?: string,
  *   sha?: string,
+ *   job?: string,
  *   workflowRef?: string,
  *   staged: boolean,
  *   runAttempt?: string,
  * }} ctx
  * @returns {Array<{key: string, value: object}>}
  */
-function buildGitHubActionsResourceAttributes({ repository, runId, eventName = "", ref = "", refName = "", headRef = "", sha = "", workflowRef = "", staged, runAttempt = "1" }) {
+function buildGitHubActionsResourceAttributes({ repository, runId, eventName = "", ref = "", refName = "", headRef = "", sha = "", job = "", workflowRef = "", staged, runAttempt = "1" }) {
   const resourceAttributes = [buildAttr("github.repository", repository), buildAttr("github.run_id", runId), buildAttr("github.run_attempt", runAttempt)];
   if (repository && runId && repository.includes("/")) {
     const [owner, repo] = repository.split("/");
@@ -324,6 +325,9 @@ function buildGitHubActionsResourceAttributes({ repository, runId, eventName = "
   if (sha) {
     resourceAttributes.push(buildAttr("github.sha", sha));
   }
+  if (job) {
+    resourceAttributes.push(buildAttr("github.job", job));
+  }
   if (workflowRef) {
     resourceAttributes.push(buildAttr("github.workflow_ref", workflowRef));
   }
@@ -873,6 +877,7 @@ async function sendJobSetupSpan(options = {}) {
   const refName = process.env.GITHUB_REF_NAME || "";
   const headRef = process.env.GITHUB_HEAD_REF || "";
   const sha = process.env.GITHUB_SHA || "";
+  const job = process.env.GITHUB_JOB || "";
   const workflowRef = process.env.GH_AW_CURRENT_WORKFLOW_REF || process.env.GITHUB_WORKFLOW_REF || "";
 
   const attributes = [
@@ -914,7 +919,7 @@ async function sendJobSetupSpan(options = {}) {
   attributes.push(...buildExperimentAttributes(experimentAssignments));
   attributes.push(...buildEpisodeAttributesFromContext(awInfo, runId, runAttempt));
 
-  const resourceAttributes = buildGitHubActionsResourceAttributes({ repository, runId, eventName, ref, refName, headRef, sha, workflowRef, staged, runAttempt });
+  const resourceAttributes = buildGitHubActionsResourceAttributes({ repository, runId, eventName, ref, refName, headRef, sha, job, workflowRef, staged, runAttempt });
 
   const payload = buildOTLPPayload({
     traceId,
@@ -1232,6 +1237,7 @@ async function sendJobConclusionSpan(spanName, options = {}) {
   const refName = process.env.GITHUB_REF_NAME || "";
   const headRef = process.env.GITHUB_HEAD_REF || "";
   const sha = process.env.GITHUB_SHA || "";
+  const job = process.env.GITHUB_JOB || "";
   const workflowRef = process.env.GITHUB_WORKFLOW_REF || "";
 
   // Agent conclusion is passed to downstream jobs via GH_AW_AGENT_CONCLUSION.
@@ -1365,7 +1371,7 @@ async function sendJobConclusionSpan(spanName, options = {}) {
   const conclusionExperimentAssignments = readExperimentAssignments();
   attributes.push(...buildExperimentAttributes(conclusionExperimentAssignments));
 
-  const resourceAttributes = buildGitHubActionsResourceAttributes({ repository, runId, eventName, ref, refName, headRef, sha, workflowRef, staged, runAttempt });
+  const resourceAttributes = buildGitHubActionsResourceAttributes({ repository, runId, eventName, ref, refName, headRef, sha, job, workflowRef, staged, runAttempt });
   // OpenTelemetry semantic convention for exceptions.  Each event has
   // name="exception" with "exception.type" and "exception.message" attributes,
   // making individual errors queryable and classifiable in backends like
diff --git a/actions/setup/js/send_otlp_span.test.cjs b/actions/setup/js/send_otlp_span.test.cjs
index 4b806b3b734..d3b0619cc32 100644
--- a/actions/setup/js/send_otlp_span.test.cjs
+++ b/actions/setup/js/send_otlp_span.test.cjs
@@ -1074,6 +1074,7 @@ describe("sendJobSetupSpan", () => {
     "GITHUB_REF_NAME",
     "GITHUB_HEAD_REF",
     "GITHUB_SHA",
+    "GITHUB_JOB",
     "GITHUB_WORKFLOW_REF",
     "GH_AW_INFO_VERSION",
     "GH_AW_INFO_STAGED",
@@ -1539,6 +1540,20 @@ describe("sendJobSetupSpan", () => {
     expect(resourceKeys).not.toContain("github.workflow_ref");
   });
 
+  it("includes github.job as resource attribute when GITHUB_JOB is set", async () => {
+    const mockFetch = vi.fn().mockResolvedValue({ ok: true, status: 200, statusText: "OK" });
+    vi.stubGlobal("fetch", mockFetch);
+
+    process.env.GH_AW_OTLP_ENDPOINTS = JSON.stringify([{ url: "https://traces.example.com" }]);
+    process.env.GITHUB_JOB = "agent";
+
+    await sendJobSetupSpan();
+
+    const body = JSON.parse(mockFetch.mock.calls[0][1].body);
+    const resourceAttrs = body.resourceSpans[0].resource.attributes;
+    expect(resourceAttrs).toContainEqual({ key: "github.job", value: { stringValue: "agent" } });
+  });
+
   it("includes github.actions.run_url as resource attribute when repository and run_id are set", async () => {
     const mockFetch = vi.fn().mockResolvedValue({ ok: true, status: 200, statusText: "OK" });
     vi.stubGlobal("fetch", mockFetch);
@@ -2106,6 +2121,7 @@ describe("sendJobConclusionSpan", () => {
     "GITHUB_REF_NAME",
     "GITHUB_HEAD_REF",
     "GITHUB_SHA",
+    "GITHUB_JOB",
     "GITHUB_WORKFLOW_REF",
     "INPUT_JOB_NAME",
     "GH_AW_AGENT_CONCLUSION",
@@ -3999,6 +4015,20 @@ describe("sendJobConclusionSpan", () => {
     expect(resourceKeys).not.toContain("github.workflow_ref");
   });
 
+  it("includes github.job as resource attribute when GITHUB_JOB is set", async () => {
+    const mockFetch = vi.fn().mockResolvedValue({ ok: true, status: 200, statusText: "OK" });
+    vi.stubGlobal("fetch", mockFetch);
+
+    process.env.GH_AW_OTLP_ENDPOINTS = JSON.stringify([{ url: "https://traces.example.com" }]);
+    process.env.GITHUB_JOB = "conclusion";
+
+    await sendJobConclusionSpan("gh-aw.job.conclusion");
+
+    const body = JSON.parse(mockFetch.mock.calls[0][1].body);
+    const resourceAttrs = body.resourceSpans[0].resource.attributes;
+    expect(resourceAttrs).toContainEqual({ key: "github.job", value: { stringValue: "conclusion" } });
+  });
+
   describe("staged / deployment.environment", () => {
     let readFileSpy;