Trigger Bulkification in Data Loader

Triggers:

  Updating of Master Object Status as Closed then the related Detail Object Status to be closed while using
   bulk records on Data Loader

          

trigger posRecJobClosedTrigger on Position__c (after update) {      List<Job_Application__c> jobAppRecList=new List<Job_Application__c>();      jobAppRecList=             [SELECT Id FROM Job_Application__c WHERE Position__c IN :trigger.newMap.keySet()];     List<Job_Application__c> jobAppRecList1=new List<Job_Application__c>();    for(Position__c posRec:trigger.new)   {    if(posRec.Status__c=='Closed')    {     for(Job_Application__c jobRec:jobAppRecList)    {     if(jobRec.Position__c==posRec.Id)    {     jobRec.Status__c='Closed';     jobAppRecList1.add(jobRec);    }  } } } update jobAppRecList1; }