odoo/addons/hr/hr_demo.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>

        <!-- Employee Category -->

        <record id="category_ceo" model="hr.employee.category">
            <field name="name">CEO</field>
        </record>

        <record id="category_cto" model="hr.employee.category">
            <field name="name">CTO</field>
            <field name="parent_id" ref="category_ceo"/>
        </record>

        <record id="category_managers" model="hr.employee.category">
            <field name="name">Managers(Tech. Heads)</field>
            <field name="parent_id" ref="category_cto"/>
        </record>

        <record id="category_project_managers" model="hr.employee.category">
            <field name="name">Project Managers</field>
            <field name="parent_id" ref="category_managers"/>
        </record>

        <record id="category_sr_exec" model="hr.employee.category">
            <field name="name">Sr. Executives(Team Leads)</field>
            <field name="parent_id" ref="category_project_managers"/>
        </record>

        <record id="category_jr_exec" model="hr.employee.category">
            <field name="name">Jr. Executives(Developers)</field>
            <field name="parent_id" ref="category_sr_exec"/>
        </record>

        <record id="category_trainee" model="hr.employee.category">
            <field name="name">Trainee(Intership)</field>
            <field name="parent_id" ref="category_jr_exec"/>
        </record>


        <!-- Example employee -->

        <record id="employee1" model="hr.employee">
            <field name="name">Fabien Pinckaers</field>
            <field name="calendar_id" ref="resource.timesheet_group1"/>
            <!--<field name="regime">45</field>-->
            <field name="user_id" ref="base.user_root"/>
            <field name="category_id" ref="hr.category_ceo"/>
            <!--<field name="holiday_max">25</field>-->
        </record>


    </data>
</openerp>