Human Resources Specialist 1 level requirements: Human Resources Specialist Trainee 1 (equated to SG-14): Four years of experience performing and supervising the performance of various human resources activities such as staffing services, which consist of recruitment, examination, and placement activities; position classification and compensation; and employee services such as employee benefit, health and safety, employee counseling, and employee recognition. Human Resources Specialist Trainee 2 (equated to SG-16): Five years of experience performing and supervising the performance of various human resources activities such as staffing services, which consist of recruitment, examination, and placement activities; position classification and compensation; and employee services such as employee benefit, health and safety, employee counseling, and employee recognition.