post-type-taxonomy-setup.php

/* Custom Post Type Setup */
function post_type_jobs() {
  $labels = array(
      'name' => _x('Jobs', 'post type general name', 'agrg'),
      'singular_name' => _x('Jobs', 'post type singular name', 'agrg'),
      'add_new' => _x('Add New Job', 'jobs', 'agrg'),
      'add_new_item' => __('Add New Job', 'agrg'),
      'edit_item' => __('Edit Job', 'agrg'),
      'new_item' => __('New Job', 'agrg'),
      'view_item' => __('View Job', 'agrg'),
      'search_items' => __('Search Jobs', 'agrg'),
      'not_found' =>  __('No Jobs found', 'agrg'),
      'not_found_in_trash' => __('No Jobs found in Trash', 'agrg'), 
      'parent_item_colon' => ''
  );
  $args = array(
      'labels' => $labels,
      'public' => true,
      'publicly_queryable' => true,
      'show_ui' => true, 
      'query_var' => true,
      'capability_type' => 'post',
      'hierarchical' => true,
      'menu_position' => null,
      'menu_icon' => 'dashicons-menu',
      'has_archive' => true,
      'supports' => array('title', 'editor', 'author', 'thumbnail', 'excerpt', 'comments', 'page-attributes', 'post-formats' )

  );
  register_post_type( 'jobs', $args );
  flush_rewrite_rules(false);
}
add_action('init', 'post_type_jobs');

function be_register_taxonomies() {
  $taxonomies = array(
    array(
      'slug'         => 'job-department',
      'single_name'  => 'Department',
      'plural_name'  => 'Departments',
      'post_type'    => 'jobs',
      'rewrite'      => array( 'slug' => 'department' ),
    ),
    array(
      'slug'         => 'job-type',
      'single_name'  => 'Type',
      'plural_name'  => 'Types',
      'post_type'    => 'jobs',
      'hierarchical' => false,
    ),
    array(
      'slug'         => 'job-experience',
      'single_name'  => 'Min-Experience',
      'plural_name'  => 'Min-Experiences',
      'post_type'    => 'jobs',
    ),
  );
  foreach( $taxonomies as $taxonomy ) {
    $labels = array(
      'name' => $taxonomy['plural_name'],
      'singular_name' => $taxonomy['single_name'],
      'search_items' =>  'Search ' . $taxonomy['plural_name'],
      'all_items' => 'All ' . $taxonomy['plural_name'],
      'parent_item' => 'Parent ' . $taxonomy['single_name'],
      'parent_item_colon' => 'Parent ' . $taxonomy['single_name'] . ':',
      'edit_item' => 'Edit ' . $taxonomy['single_name'],
      'update_item' => 'Update ' . $taxonomy['single_name'],
      'add_new_item' => 'Add New ' . $taxonomy['single_name'],
      'new_item_name' => 'New ' . $taxonomy['single_name'] . ' Name',
      'menu_name' => $taxonomy['plural_name']
    );

    $rewrite = isset( $taxonomy['rewrite'] ) ? $taxonomy['rewrite'] : array( 'slug' => $taxonomy['slug'] );
    $hierarchical = isset( $taxonomy['hierarchical'] ) ? $taxonomy['hierarchical'] : true;

    register_taxonomy( $taxonomy['slug'], $taxonomy['post_type'], array(
      'hierarchical' => $hierarchical,
      'labels' => $labels,
      'show_ui' => true,
      'query_var' => true,
      'rewrite' => $rewrite,
    ));
  }

}
add_action( 'init', 'be_register_taxonomies', 0 );
  
/* Rewrite Rule */
function custom_rewrite_rules() {
  add_rewrite_rule('^job-department/(.*)/job-type/(.*)?', 'index.php?job-department=$matches[1]&job-type=$matches[2]', 'top');
}
add_action('init', 'custom_rewrite_rules');