Database Software

I am on 12c DB and APEX 5. I have a stored procedure that I need to invoke via DBMS_SCHEDULER job from my APEX page (the procedure cannot be run directly from APEX because of security privs needed). When the user hits submit from the APEX page, i need to execute the procedure below immediately, passing in the required items (see below). I granted 'APEX_ADMINISTRATOR_ROLE' to my parsing schema. What is the best way to do this?

create or replace procedure MAINT_APEX_BUILDER_USER

(l_user_type               in varchar2,

  l_user_name              in varchar2,

  l_first_name               in varchar2,

  l_last_name                in varchar2,

  l_web_password       in varchar2,

  l_email_address        in varchar2,

  l_action                        in varchar2)