• Performed Level 2 and Level 3 support for SAP Application Security.• Worked on standard SAP authorization activities for SAP ECC,CRM,BI,APO,WM systems. • Modifying/Creating roles as per the Performa raised by the Business Process Architect.• Transport of newly created roles after successful testing.• Resolving authorization issues raised by the end users.• Close coordination with other functional teams related to role-based transaction authorization verification.• Coordination with customer basis lead for the business critical requests, and approvals.• Performing Role Comparisons between Development and Production Systems and stabilizing them.• Maintenance activity for roles during cutover of Systems.• Knowledge in working on CUA-implemented systems.• Maintenance and provided support for the organization's internal SAP systems.• Involved in OSS administration activities.• Good understanding of the concept of Segregation of Duties.