diff --git a/application/controllers/jobs/ESIJob.php b/application/controllers/jobs/ESIJob.php
new file mode 100644
index 000000000..74c5a925d
--- /dev/null
+++ b/application/controllers/jobs/ESIJob.php
@@ -0,0 +1,169 @@
+<?php
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once('schedulers/ESIScheduler.php');
+
+/**
+ * Controller for initialising generateESI job
+ */
+class ESIJob extends JQW_Controller
+{
+	const ESI_PREFIX = 'urn:schac:personalUniqueCode:int:esi:at:';
+
+	/**
+	 * Controller initialization
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+
+		// load models
+		$this->load->model('Person_model', 'PersonModel');
+		$this->load->model('Kennzeichen_model', 'KennzeichenModel');
+
+		// load libraries
+		//$this->load->library('extensions/FHC-Core-DVUH/DVUHIssueLib');
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * Initialises generateESI job, handles job queue, logs infos/errors
+	 */
+	public function generateESI()
+	{
+		//$jobType = 'DVUHSendPruefungsaktivitaeten';
+		$this->logInfo(ESIScheduler::JOB_TYPE_GENERATE_ESI.' job start');
+
+		// Gets the latest jobs
+		$lastJobs = $this->getLastJobs(ESIScheduler::JOB_TYPE_GENERATE_ESI);
+		if (isError($lastJobs))
+		{
+			$this->logError(getCode($lastJobs).': '.getError($lastJobs), ESIScheduler::JOB_TYPE_GENERATE_ESI);
+		}
+		else
+		{
+			$this->updateJobs(
+				getData($lastJobs), // Jobs to be updated
+				array(JobsQueueLib::PROPERTY_START_TIME), // Job properties to be updated
+				array(date('Y-m-d H:i:s')) // Job properties new values
+			);
+
+			$person_arr = $this->_getInputObjArray(getData($lastJobs));
+
+			foreach ($person_arr as $persobj)
+			{
+				if (!isset($persobj->person_id))
+					$this->logError("Error when generating ESI: invalid parameters");
+				else
+				{
+					$person_id = $persobj->person_id;
+
+					// check if there already is an active ESI
+					$this->KennzeichenModel->addSelect('1');
+					$activeKennzeichenRes = $this->KennzeichenModel->loadWhere(
+						array('person_id' => $person_id, 'kennzeichentyp_kurzbz' => ESIScheduler::KENNZEICHENTYP_KURZBZ, 'aktiv' => true)
+					);
+
+					if (hasData($activeKennzeichenRes))
+					{
+						$this->logError("Active ESI for person Id $prestudent_id already exists");
+						continue;
+					}
+
+					// get Matrikelnr for person for which ESI should be generated
+					$this->PersonModel->addSelect('matr_nr');
+					$personRes = $this->PersonModel->load($person_id);
+
+					if (!hasData($personRes))
+					{
+						$this->logError("Person with Id $person_id not found");
+						continue;
+					}
+
+					$matr_nr = getData($personRes)[0]->matr_nr;
+
+					if (isEmptyString($matr_nr))
+					{
+						$this->logError("Matrikelnummer for person with Id $person_id is empty");
+						continue;
+					}
+
+					$esi = self::ESI_PREFIX.$matrikelnr;
+
+					// check if ESI was already used
+					$this->KennzeichenModel->addSelect('1');
+					$existingKennzeichenRes = $this->KennzeichenModel->loadWhere(
+						array('person_id' => $person_id, 'kennzeichentyp_kurzbz' => ESIScheduler::KENNZEICHENTYP_KURZBZ, 'inhalt' => $esi)
+					);
+
+					if (hasData($existingKennzeichenRes))
+					{
+						$this->logError("ESI $esi for person Id $prestudent_id already exists");
+						continue;
+					}
+
+					// if everything ok, save the esi for the person
+					$saveEsiResult = $this->Kennzeichen_model->insert(
+						array(
+							'person_id' => $person_id,
+							'kennzeichentyp_kurzbz' => ESIScheduler::KENNZEICHENTYP_KURZBZ,
+							'inhalt' => $esi,
+							'aktiv' => true
+						)
+					);
+
+					if (isError($saveEsiResult))
+					{
+						$this->logError("Error when sending ESI, person Id $person_id ".getError($saveEsiResult));
+					}
+					elseif (hasData($saveEsiResult))
+					{
+						// TODO everything ok
+					}
+				}
+			}
+
+			// Update jobs properties values
+			$this->updateJobs(
+				getData($lastJobs), // Jobs to be updated
+				array(JobsQueueLib::PROPERTY_STATUS, JobsQueueLib::PROPERTY_END_TIME), // Job properties to be updated
+				array(JobsQueueLib::STATUS_DONE, date('Y-m-d H:i:s')) // Job properties new values
+			);
+
+			if (hasData($lastJobs)) $this->updateJobsQueue($jobType, getData($lastJobs));
+		}
+
+		$this->logInfo(ESIScheduler::JOB_TYPE_GENERATE_ESI.' job stop');
+	}
+
+	// --------------------------------------------------------------------------------------------
+	// Private methods
+
+	/**
+	 * Extracts input data from jobs.
+	 * @param $jobs
+	 * @return array with jobinput
+	 */
+	private function _getInputObjArray($jobs)
+	{
+		$mergedUsersArray = array();
+
+		if (count($jobs) == 0) return $mergedUsersArray;
+
+		foreach ($jobs as $job)
+		{
+			$decodedInput = json_decode($job->input);
+			if ($decodedInput != null)
+			{
+				foreach ($decodedInput as $el)
+				{
+					$mergedUsersArray[] = $el;
+				}
+			}
+		}
+		return $mergedUsersArray;
+	}
+}
diff --git a/application/controllers/jobs/schedulers/ESIScheduler.php b/application/controllers/jobs/schedulers/ESIScheduler.php
new file mode 100644
index 000000000..3ab858937
--- /dev/null
+++ b/application/controllers/jobs/schedulers/ESIScheduler.php
@@ -0,0 +1,108 @@
+<?php
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * Scheduler for generating ESI (European Student Identifier)
+ */
+class ESIScheduler extends JQW_Controller
+{
+	const JOB_TYPE_GENERATE_ESI = 'generateESI';
+	const KENNZEICHENTYP_KURZBZ = 'esi';
+
+	private $_active_status_kurzbz = array('Student', 'Diplomand');
+
+	/**
+	 * Controller initialization
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * Creates jobs queue entries for generateESI job.
+	 * @param string $studiensemester_kurzbz semester for which ESIs should be generated
+	 */
+	public function generateESI($studiensemester_kurzbz = null)
+	{
+		// if no semester given, get current studiensemester
+		if (!isset($studiensemester_kurzbz))
+		{
+			$semRes = $this->StudiensemesterModel->getAkt();
+
+			if (hasData($semRes))
+			{
+				$studiensemester_kurzbz = getData($semRes)[0]->studiensemester_kurzbz;
+			}
+		}
+
+		if (isset($studiensemester_kurzbz))
+		{
+			$this->logInfo('Start job queue scheduler '.self::JOB_TYPE_GENERATE_ESI);
+
+			$qry = "
+				SELECT
+					DISTINCT person_id
+				FROM
+					public.tbl_person pers
+					JOIN public.tbl_prestudent ps USING (person_id)
+					JOIN public.tbl_prestudentstatus pss USING (prestudent_id)
+				WHERE
+					pss.studiensemester_kurzbz = ?
+					AND pers.matr_nr IS NOT NULL
+					AND pss.status_kurzbz IN ?
+					AND NOT EXISTS ( -- has no ESI yet
+						SELECT 1
+						FROM
+							public.tbl_kennzeichen
+						WHERE
+							person_id = pers.person_id
+							AND kennzeichentyp_kurzbz = ?
+							AND aktiv
+					)
+					AND NOT EXISTS ( -- making sure it's not an incoming
+						SELECT 1
+						FROM
+							public.tbl_prestudentstatus
+						WHERE
+							prestudent_id = ps.prestudent_id
+							AND status_kurzbz = 'Incoming'
+					)";
+
+			$db = new DB_Model();
+			$jobInputResult = $db->execReadOnlyQuery($qry, array($studiensemester_kurzbz, $this->_active_status_kurzbz, self::KENNZEICHENTYP_KURZBZ));
+
+			// If an error occured then log it
+			if (isError($jobInputResult))
+			{
+				$this->logError(getError($jobInputResult));
+			}
+			elseif (hasData($jobInputResult)) // if persons found
+			{
+				// Add the new job to the jobs queue
+				$addNewJobResult = $this->addNewJobsToQueue(
+					self::JOB_TYPE_GENERATE_ESI, // job type
+					$this->generateJobs( // gnerate the structure of the new job
+						JobsQueueLib::STATUS_NEW,
+						json_encode(getData($jobInputResult))
+					)
+				);
+
+				// If error occurred return it
+				if (isError($addNewJobResult)) $this->logError(getError($addNewJobResult));
+			}
+		}
+		else
+		{
+			$this->logError('Error when getting Studiensemester');
+		}
+
+		$this->logInfo('End job queue scheduler '.self::JOB_TYPE_GENERATE_ESI);
+	}
+}
diff --git a/application/models/person/Kennzeichen_model.php b/application/models/person/Kennzeichen_model.php
new file mode 100644
index 000000000..7d00a68b4
--- /dev/null
+++ b/application/models/person/Kennzeichen_model.php
@@ -0,0 +1,36 @@
+<?php
+class Kennzeichen_model extends DB_Model
+{
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->dbTable = 'public.tbl_kennzeichen';
+		$this->pk = 'kennzeichen_id';
+	}
+
+	/**
+	 *
+	 * @param
+	 * @return object success or error
+	 */
+	public function _()
+	{
+
+	}
+
+	/**
+	 * Get Zustelladress of given person.
+	 * @param string $person_id
+	 * @param string $select
+	 * @return array
+	 */
+	//~ public function getZustellAdresse($person_id, $select = '*')
+	//~ {
+		//~ $this->addSelect($select);
+		//~ return $this->loadWhere(array('person_id' => $person_id, 'zustelladresse'=> true));
+	//~ }
+}
diff --git a/system/dbupdate_3.4/21620_neues_feld_zum_erfassen_des_ESI.php b/system/dbupdate_3.4/21620_neues_feld_zum_erfassen_des_ESI.php
index a7d415b68..5b6b22918 100644
--- a/system/dbupdate_3.4/21620_neues_feld_zum_erfassen_des_ESI.php
+++ b/system/dbupdate_3.4/21620_neues_feld_zum_erfassen_des_ESI.php
@@ -89,8 +89,10 @@ if (!$result = @$db->db_query('SELECT 0 FROM public.tbl_kennzeichen WHERE 0 = 1'
 
 			ALTER TABLE public.tbl_kennzeichen ADD CONSTRAINT pk_tbl_kennzeichen PRIMARY KEY (kennzeichen_id);
 
-			ALTER TABLE public.tbl_kennzeichen ADD CONSTRAINT fk_kennzeichen_person FOREIGN KEY (person_id) REFERENCES public.tbl_person(person_id) ON UPDATE CASCADE ON DELETE RESTRICT;
-			ALTER TABLE public.tbl_kennzeichen ADD CONSTRAINT fk_kennzeichen_kennzeichentyp_kurzbz FOREIGN KEY (kennzeichentyp_kurzbz) REFERENCES public.tbl_kennzeichentyp(kennzeichentyp_kurzbz) ON UPDATE CASCADE ON DELETE RESTRICT;
+			ALTER TABLE public.tbl_kennzeichen ADD CONSTRAINT fk_kennzeichen_person FOREIGN KEY (person_id)
+				REFERENCES public.tbl_person(person_id) ON UPDATE CASCADE ON DELETE RESTRICT;
+			ALTER TABLE public.tbl_kennzeichen ADD CONSTRAINT fk_kennzeichen_kennzeichentyp_kurzbz FOREIGN KEY (kennzeichentyp_kurzbz)
+				REFERENCES public.tbl_kennzeichentyp(kennzeichentyp_kurzbz) ON UPDATE CASCADE ON DELETE RESTRICT;
 
 			-- create unique constraint, no person can have the same kennzeichen twice
 			ALTER TABLE public.tbl_kennzeichen ADD CONSTRAINT uk_kennzeichen_person_id_inhalt UNIQUE (person_id, kennzeichentyp_kurzbz, inhalt);
@@ -114,3 +116,31 @@ if (!$result = @$db->db_query('SELECT 0 FROM public.tbl_kennzeichen WHERE 0 = 1'
 	else
 		echo '<br>Granted privileges to <strong>vilesci</strong> on public.tbl_kennzeichen';
 }
+
+// public.tbl_kennzeichentyp: add type esi
+if ($result = $db->db_query("SELECT 1 FROM public.tbl_kennzeichentyp WHERE kennzeichentyp_kurzbz='esi'"))
+{
+	if($db->db_num_rows($result)==0)
+	{
+		$qry = "INSERT INTO public.tbl_kennzeichentyp(kennzeichentyp_kurzbz, bezeichnung) VALUES('esi', 'European Student Identifier');";
+
+		if(!$db->db_query($qry))
+			echo '<strong>Kennzeichentyp: '.$db->db_last_error().'</strong><br>';
+		else
+			echo '<br>Neuer Kennzeichentyp esi in public.tbl_kennzeichentyp hinzugefügt';
+	}
+}
+
+// system.tbl_jobtypes: add type esi
+if ($result = $db->db_query("SELECT 1 FROM system.tbl_jobtypes WHERE type='generateESI'"))
+{
+	if($db->db_num_rows($result)==0)
+	{
+		$qry = "INSERT INTO system.tbl_jobtypes(type, description) VALUES('generateESI', 'Generate and save European Student Identifier');";
+
+		if(!$db->db_query($qry))
+			echo '<strong>Jobtyp: '.$db->db_last_error().'</strong><br>';
+		else
+			echo '<br>Neuer Jobtyp generateESI in system.tbl_jobtypes hinzugefügt';
+	}
+}