Merge pull request matplotlib#22758 from tacaswell/doc_add_job_posting

DOC: add job advert

Author: QuLogic

doc/_static/mpl.css

@@ -256,6 +256,30 @@ table.property-table td {
     width: 210px;
 }
 
+.sidebar-announcement {
+    border-left: solid 1px #e5e5e5;
+    border-bottom: solid 1px #e5e5e5;
+    border-right: solid 1px #e5e5e5;
+    border-bottom-right-radius: 4px;
+    border-bottom-left-radius: 4px;
+    box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.11);
+    margin-bottom: 20px;
+    padding: 28px 20px 20px;
+    position: relative;
+}
+
+.sidebar-announcement::before {
+  content: "";
+  position: absolute;
+  top: 0;
+  left: 0;
+  display: block;
+  height: 8px;
+  width: 100%;
+  background-color: #355f8d;
+  background-image: linear-gradient(90deg, #440154, #355f8d);
+}
+
 /* Two columns for install code blocks */
 div.twocol {
     padding-left: 0;

doc/_templates/sidebar_announcement.html

@@ -1,5 +1,12 @@
 <div class="sidebar-announcement">
-  <p>Matplotlib 3.0 is Python 3 only.</p>
-  <p>Python 2 support has been dropped on January 1, 2020.</p>
-  <p>The last Python 2 compatible release is 2.2.5.</p>
+  <h3>Matplotlib is Hiring!</h3>
+  <p>We have support for a 3-year Research Software Engineer Position via
+  a <a href="https://discourse.matplotlib.org/t/maplotlib-selected-for-nasa-roses-ostfl-2020/22303">grant
+      from NASA.</a>
+  </p>
+  <p>Please
+      see <a href="https://discourse.matplotlib.org/t/research-software-engineer-roses-2020-position/22597">
+      the job posting</a> for more details and how to apply.</p>
+  <p><strong>Applications will close April 15, 2022.</strong></p>
+
 </div>

doc/conf.py

@@ -321,6 +321,7 @@ def matplotlib_reduced_latex_scraper(block, block_vars, gallery_conf,
     # and CI builds https://github.com/pydata/pydata-sphinx-theme/pull/386
     "collapse_navigation": not is_release_build,
     "show_prev_next": False,
+    "left_sidebar_end": ["sidebar_announcement.html"],
 }
 include_analytics = is_release_build
 if include_analytics: