Warehouse Groupleader Job Description – The main parts of our job description – Job purpose: Summary wording about why the job exists and how it contributes to the organizational goals. Main responsibilities: 8-12 main area of responsibility. Key Performance Indicators: Qualitative performance indicators defined as the area of responsibility. Requirements: Education, knowledge, experience and leadership skills required for filling the position. Competences: General and managerial competencies required for filling the position.