JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.aspnetcdn.com/ajax/jquery.validate/1.12.0/jquery.validate.js"></script>
<form id="Form">
    <select id="id_level" name="id_level">
        <option value="">-choose-</option>
        <option value="1">-Administrator-</option>
        <option value="2">-Kondektur Bus-</option>
        <option value="3">-Staf Operasi-</option>
    </select>
    <input name="job" type="text" id="job" />
    <input type="submit" />
</form>

JavaScript

$(document).ready(function () {

    $("#Form").validate({
        rules: {
            id_level: "required", // <- shortcut for one rule
            job: { // <- more than one rule on this field
                required: true,
                notEqual: '#id_level' // <- set your custom rule parameter to id="id_level"
            }
        },
        messages: {
            id_level: "choose one",
            job: {
                required: "must fill" // <- need to specify which rule here
            }
        }
    });

    jQuery.validator.addMethod("notEqual", function (value, element, param) {
        return this.optional(element) || value != $(param).val();
    }, "Please specify a different (non-default) value");

});