diff --git a/source/packages/plg_system_mokosuitefield/src/Helper/TechnicianSkillHelper.php b/source/packages/plg_system_mokosuitefield/src/Helper/TechnicianSkillHelper.php
new file mode 100644
index 0000000..bbc95d1
--- /dev/null
+++ b/source/packages/plg_system_mokosuitefield/src/Helper/TechnicianSkillHelper.php
@@ -0,0 +1,97 @@
+<?php
+namespace Moko\Plugin\System\MokoSuiteField\Helper;
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\Database\DatabaseInterface;
+
+/**
+ * Technician skill matrix — certifications, skill-based dispatch matching, expiry tracking.
+ */
+class TechnicianSkillHelper
+{
+	/**
+	 * Get skill matrix for all active technicians.
+	 */
+	public static function getSkillMatrix(): array
+	{
+		$db = Factory::getContainer()->get(DatabaseInterface::class);
+
+		$db->setQuery($db->getQuery(true)
+			->select('t.id AS tech_id, cd.name AS tech_name')
+			->select('GROUP_CONCAT(ts.skill_name ORDER BY ts.skill_name SEPARATOR ", ") AS skills')
+			->select('COUNT(ts.id) AS skill_count')
+			->select('SUM(CASE WHEN ts.certification_expires IS NOT NULL AND ts.certification_expires < NOW() THEN 1 ELSE 0 END) AS expired_certs')
+			->from($db->quoteName('#__mokosuitefield_technicians', 't'))
+			->join('LEFT', $db->quoteName('#__contact_details', 'cd') . ' ON cd.id = t.contact_id')
+			->join('LEFT', $db->quoteName('#__mokosuitefield_tech_skills', 'ts') . ' ON ts.tech_id = t.id')
+			->where($db->quoteName('t.status') . ' = ' . $db->quote('active'))
+			->group('t.id')
+			->order('cd.name ASC'));
+
+		return $db->loadObjectList() ?: [];
+	}
+
+	/**
+	 * Find best technician match for a work order based on required skills.
+	 */
+	public static function findBestMatch(array $requiredSkills, string $date = ''): array
+	{
+		if (empty($requiredSkills)) {
+			return [];
+		}
+
+		$date = $date ?: date('Y-m-d');
+		if (!\DateTime::createFromFormat('Y-m-d', $date)) {
+			throw new \InvalidArgumentException('Date must be Y-m-d format.');
+		}
+
+		$db = Factory::getContainer()->get(DatabaseInterface::class);
+
+		$skillPlaceholders = implode(',', array_map(fn($s) => $db->quote($s), $requiredSkills));
+
+		$db->setQuery($db->getQuery(true)
+			->select('t.id AS tech_id, cd.name AS tech_name, t.hourly_rate')
+			->select('COUNT(DISTINCT ts.skill_name) AS matching_skills')
+			->select((string) count($requiredSkills) . ' AS required_skills')
+			->from($db->quoteName('#__mokosuitefield_technicians', 't'))
+			->join('LEFT', $db->quoteName('#__contact_details', 'cd') . ' ON cd.id = t.contact_id')
+			->join('INNER', $db->quoteName('#__mokosuitefield_tech_skills', 'ts')
+				. ' ON ts.tech_id = t.id AND ts.skill_name IN (' . $skillPlaceholders . ')'
+				. ' AND (ts.certification_expires IS NULL OR ts.certification_expires > ' . $db->quote($date) . ')')
+			->where($db->quoteName('t.status') . ' = ' . $db->quote('active'))
+			->group('t.id')
+			->order('matching_skills DESC, t.hourly_rate ASC'));
+
+		$matches = $db->loadObjectList() ?: [];
+
+		foreach ($matches as &$m) {
+			$m->match_pct = round((int) $m->matching_skills / (int) $m->required_skills * 100, 1);
+		}
+
+		return $matches;
+	}
+
+	/**
+	 * Get expiring certifications within N days.
+	 */
+	public static function getExpiringCertifications(int $days = 30): array
+	{
+		$db = Factory::getContainer()->get(DatabaseInterface::class);
+		$cutoff = date('Y-m-d', strtotime("+{$days} days"));
+
+		$db->setQuery($db->getQuery(true)
+			->select('ts.id, ts.skill_name, ts.certification_number, ts.certification_expires')
+			->select('cd.name AS tech_name, cd.email_to')
+			->from($db->quoteName('#__mokosuitefield_tech_skills', 'ts'))
+			->join('INNER', $db->quoteName('#__mokosuitefield_technicians', 't') . ' ON t.id = ts.tech_id')
+			->join('LEFT', $db->quoteName('#__contact_details', 'cd') . ' ON cd.id = t.contact_id')
+			->where($db->quoteName('t.status') . ' = ' . $db->quote('active'))
+			->where('ts.certification_expires IS NOT NULL')
+			->where('ts.certification_expires BETWEEN NOW() AND ' . $db->quote($cutoff))
+			->order('ts.certification_expires ASC'));
+
+		return $db->loadObjectList() ?: [];
+	}
+}