OMHMHA is a volunteer-run organization with no paid staff. Parent/caregiver volunteers are always needed, and there are many opportunities to get involved with individual teams, or at the association-wide level. Information about these positions is listed below.

• Head coach, assistant coach and on-ice helper
• Team manager
• Hockey Canada safety person (HCSP)
• Scorekeeper - (U11 and up) - keeps score during games via an electronic device
• Timekeeper - (U9 and up) - runs the time clock during games
• Penalty box person - (U11 and up) - assists players into and out of the penalty box during games
• Washing team jerseys - (U9 and up) - ensures jerseys are washed and returned to the team locker after every game
• Dressing room monitor - (U11 and up) - monitors team dressing room before and after practices
• Tournament organizer - (U7 and up) - coordinates tasks required to prepare and run the home tournament for a team/division