Most federations run a national ladder that ascends roughly like this:
The FIDE titles run alongside:
The exact requirements at each step - events officiated, the level of those events, seminars and examinations - are set by the federation's current documents and change periodically. Check them with your own federation: the names of the national grades and the practice around them differ from country to country.
Knowing the rules is half the job. The other half is a set of skills no document teaches.
From experience: start with junior events. They produce more disputable situations per hour than anything else, and the experience accumulates three times as fast - junior tournaments.
What to agree in advance: the level of the event and the grade required, the number of players, the length, who does the pairing and prepares the report, the fee and any travel.
And the main point: a qualified arbiter is only required for rated events. A club, school or company tournament needs an organizer who knows the rules and is willing to make decisions - FIDE requirements.
Most federations run a national ladder from a trainee grade up to a top national category, and alongside it the FIDE titles: FIDE Arbiter (FA) and International Arbiter (IA). The specific requirements at each step are set by the federation and differ by country.
No. A grade is only required for events going for rating. A club, school or company tournament can be run by an organizer who knows the rules and is willing to make decisions.
Officiate amateur events, volunteer at an official one, learn a pairing program, attend a federation seminar and document the events you officiate. Experience accumulates fastest at junior tournaments.
The laws of chess in detail, including the particulars of rapid and blitz; the tournament systems; the logic of pairing; the order in which tie-breaks apply; a tournament program and the report format; and the paperwork - regulations, playing conditions, protocols.
Through the federation, a local club, coaches at junior chess schools, or a company that runs tournaments and brings its own. Agree the required grade, the number of players, who pairs the rounds and prepares the report, and the fee in advance.
The Vibe Chess app opens from a link and needs no installation. Setting up a tournament takes a minute: pick the system, set the date, the venue and the time control - the app handles the rest.
The bot is constantly improved based on real tournaments. If you need a feature that isn't there yet, message the developers right inside the bot with the /support command. Many features appeared exactly because organizers asked for them, and useful ideas get added quickly.
The job itself - arbiting a tournament. Titles - FIDE titles. Paperwork - documents and registration.