partner-contact/partner_contact_job_position/views/res_partner_job_position_view.xml

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

<record id="res_partner_job_position_action" model="ir.actions.act_window">
    <field name="name">Job Positions</field>
    <field name="res_model">res.partner.job_position</field>
    <field name="view_type">form</field>
    <field name="view_mode">tree</field>
</record>

<record id="res_partner_job_position_tree_view" model="ir.ui.view">
    <field name="name">Job position tree</field>
    <field name="model">res.partner.job_position</field>
    <field name="arch" type="xml">
        <tree string="Job positions" editable="top">
            <field name="name"/>
            <field name="parent_id"/>
        </tree>
    </field>
</record>

<record id="res_partner_job_position_form_view" model="ir.ui.view">
    <field name="name">Job position form</field>
    <field name="model">res.partner.job_position</field>
    <field name="arch" type="xml">
        <form string="Job positions">
            <group>
                <field name="name"/>
                <field name="parent_id"/>
                <field name="child_ids"/>
            </group>
        </form>
    </field>
</record>

<menuitem action="res_partner_job_position_action"
          id="menu_res_partner_job_position"
          parent="contacts.res_partner_menu_config"/>

</odoo>