• Create and Maintain new roles and troubleshoot existing user roles. Resolving issues related to users and setting up new users and resetting passwords in production system.• Led and implemented SRM- PPS and BI project interacting with business and functional teams.• Maintained roles and assigned roles to the users based on the company HR organizational structure.• User and authorization Management like Creation of profiles, granting authorizations. User maintenance (user creation, deletion, lockdown, activation, Password management).• Extensively used Profile Generator (PFCG) to create single roles, Composite, and derived roles/profiles for various modules such as SRM PPS, ECC, RM, BI, HCM(HR)• Involved in upgrade projects and performed testing the roles and changes after the support pack upgrades.• Worked with SAP support team to fix roles after the upgrade.• Traced user authorization errors (ST01, SU53, SM19, SM20 and RSECADMIN).• Performed transports and mass transports of roles to different environments• Reviewed critical and sensitive authorizations, implement improvements to meet audit requirements. • Performed SOX compliance analysis and worked with internal auditors for running reports.