Tata Consultancy Services is an equal opportunity employer, our commitment to diversity & inclusion drives our efforts to provide equal opportunity to all candidates who meet our required knowledge & competency needs, irrespective of any socio-economic background, race, color, national origin, religion, sex, gender identity/expression, age, marital status, disability, sexual orientation or any others. We encourage anyone interested to build a career in TCS to participate in our recruitment & selection process. TCS is seeking skilled professionals to join our team as a SAP Basis. Responsibilities: Perform OS/DB migrations, Unicode conversions, and HANA database upgrades. Conduct mock conversions, dry runs, and cutover planning for production migrations. Collaborate with cross-functional teams to ensure compatibility and readiness for upgrades and conversions. Troubleshoot and resolve technical issues during and post-upgrade/conversion. Maintain comprehensive documentation of upgrade/conversion procedures and lessons learned. Stay current with SAP’s roadmap, release strategy, and best practices for upgrades and conversions. Technical/Functional Skills: Plan and execute SAP system upgrades (NetWeaver, EHP, SPS, Kernel) across development, quality, and production environments. Lead SAP S/4HANA system conversions from ECC, including pre-checks, simplification item analysis, and custom code remediation. Utilize tools such as SUM (Software Update Manager), Maintenance Planner, DMO (Database Migration Option), and SPAM/SAINT. Experience in Update, System copies and Client copies Qualifications Advanced knowledge of English Years of Experience: +5 Years from specified domain Bachelor's in computer science or other equivalent technical discipline S/4Hana release/Version upgrade should have hands on experience Hands-on experience with SAP system conversions, upgrades, copies and migrations. **Work modality: Hybrid** Candidate must be located in or willing to relocate to Querétaro. it will be requested to attend office at least 3 days per week. Boost your career and send your resume to: