Part-Time Position - 20 hours per week. Applicants must have Certificate IV in Fitness and 2-3 years industry experience. Fitness Instructor (Part Time) - Toowoomba HB Recruitment ... on the Darling Downs and surrounds since 1995. Part-Time Position - 20 hours per week. Applicants must have Certificate IV in Fitness and 2-3 years industry experience. Casual, Part-Time