NARESH KUAMR BATTAGIRI

Overview:

As an experienced SAP Basis Administrator, I have successfully led and executed SAP technical refresh projects, particularly migrating SAP databases from HP-UX to Red Hat Enterprise Linux (RHEL). These migrations have encompassed both homogeneous (same OS) and heterogeneous (different OS) system landscapes, ensuring seamless transitions with minimal downtime and optimized system performance.

1. Migration Planning & Strategy:

• Developed comprehensive migration plans, including risk assessments, resource allocation, and timelines.
• Coordinated with cross-functional teams to align migration activities with business operations.
• Utilized tools like SAP Software Provisioning Manager (SWPM) and R3load for efficient data transfer.

2. System Preparation & Configuration:

• Replicated the existing filesystem structure from HP-UX to RHEL, ensuring identical configurations.
• Installed necessary SAP and database-related RPM packages on RHEL, adhering to SAP Notes and best practices.
• Configured Linux kernel parameters and resource limits as per SAP Note 2002167 to optimize system performance.

3. Post-Migration Support & Optimization:

• Monitored system performance and applied necessary tuning to enhance efficiency.
• Implemented high availability (HA) and disaster recovery (DR) solutions to ensure business continuity.
• Provided ongoing support, addressing any issues promptly and ensuring system stability.
• Successfully migrated SAP instances from HP-UX to RHEL, employing a factory model approach for timely delivery and zero-defect execution.
• Achieved significant improvements in system performance and reliability post-migration.
• Ensured compliance with industry standards and SAP best practices throughout the migration process.

SAP Cloud Migration Tower Lead – Business Suite & NetWeaver Applications

Project Overview:
Led the migration of SAP Business Suite and NetWeaver applications to Azure Cloud as part of a strategic business separation initiative. This involved establishing a new cloud-based SAP landscape, including application installations, database migrations, carve-out processes, and post-migration integrations to ensure seamless end-to-end operations.

Scope:
Migration of SAP applications to Azure Cloud Platform, focusing on SAP Supply Chain Management (SCM) and LiveCache modules,ATTP,Portal.

Key Responsibilities:

• Stakeholder Collaboration:
  Engaged with cross-functional teams—including Cloud Engineering, Unix, Network, and Storage—to define application scope and develop a comprehensive migration plan.
• Infrastructure Development:
  Coordinated with infrastructure teams to provision and configure cloud resources, implementing backup solutions, monitoring tools, and firewall rules for the new SAP landscape.
• Resource Planning:
  Collaborated with storage and network teams to secure additional resources and bandwidth necessary for the migration process.
• Discovery & Analysis:
  Conducted in-depth assessments during the discovery phase to identify operating system, hardware, application, and database dependencies critical for migration and system configuration.
• Sizing & Capacity Planning:
  Performed detailed sizing exercises to ensure the new cloud infrastructure met performance and scalability requirements.
• Project Management:
  Worked closely with project managers to establish timelines, develop project plans, create RACI matrices, identify dependencies, and conduct impact analyses.
• SAP Collaboration:
  Partnered with SAP support teams during critical phases to resolve issues, apply necessary patches, and implement parameters essential for SAP System Landscape Optimization (SLO) and migration activities.
• Functional & Technical Coordination:
  Collaborated with Functional and ABAP teams to address issues, conduct application testing, and perform performance analyses throughout various project phases.
• High Availability & Disaster Recovery (HADR):
  Implemented Oracle Data Guard for database-level high availability and Pacemaker for application-level clustering to ensure system resilience.
• Data Replication:
  Coordinated with external vendor SIOS to deploy data replication solutions for LiveCache applications, ensuring data consistency and availability.

SAP Cloud Migration Lead – Financial Services Carve-Out to AWS

Project Overview:
Led the end-to-end migration of SAP applications from an on-premise data center to AWS Cloud as part of a strategic business separation initiative. This involved designing and implementing a secure, high-availability SAP landscape, ensuring seamless integration and compliance with industry standards.

Key Responsibilities:

• Stakeholder Collaboration:
  Engaged with project managers, solution architects, application owners, and external vendors to define project scope, timelines, and change management processes.
• Infrastructure Design & Implementation:
  Collaborated with cloud engineering, Unix, network, and storage teams to build a robust cloud infrastructure, including provisioning of resources, implementing backup solutions, monitoring tools, and configuring firewall rules for SAP applications.
• Sizing & Capacity Planning:
  Conducted detailed hardware sizing and storage assessments to ensure optimal performance and scalability of SAP workloads on AWS.
• High Availability & Disaster Recovery (HADR):
  Implemented DB2 HADR replication for databases and SIOS HA clustering for applications to ensure system resilience and minimize downtime.
• Security Architecture:
  Designed and implemented secure infrastructure by enforcing encryption protocols, configuring secure network access, and integrating Single Sign-On (SSO) solutions for application login.
• Team Leadership:
  Built and led a skilled Basis team, conducting technical gap analyses and recruiting resources to meet project requirements.
• Vendor & Partner Coordination:
  Collaborated with external vendors and business partners, including SAP, AWS, SIOS, and Commvault, to implement HA and DR solutions, ensuring alignment with project objectives.
• Client Engagement:
  Utilized client-facing consulting capabilities to deliver outstanding service, resulting in 100% client satisfaction.
• Issue Resolution & Support:
  Worked closely with external service providers to resolve complex issues related to applications, databases, and infrastructure, achieving a 100% success rate in issue resolution.

SAP Basis L2 Support Lead – Global Media & Finance Sector

Project Overview:
Provided Level 2 (L2) SAP Basis support for leading global media and financial institutions, ensuring optimal performance, availability, and security of SAP applications across diverse landscapes.

Key Responsibilities:

• Team Leadership & Coordination:
  Led a cross-functional SAP Basis team comprising both onsite and offshore associates. Defined roles and responsibilities, fostering a collaborative environment to meet project objectives.
• Client Engagement & Service Delivery:
  Utilized client-facing consulting capabilities to deliver exceptional service, resulting in 100% client satisfaction. Conducted weekly client meetings to provide progress updates and address concerns.
• Project Planning & Execution:
  Collaborated with project managers, solution architects, and application owners to understand project scope, timelines, and change management processes. Developed and executed detailed project plans, ensuring on-time completion of deliverables.
• System Maintenance & Optimization:
  Performed regular system maintenance tasks, including applying Enhancement Packages (EHP6 and EHP7) for SAP Finance, HR, and SD modules. Conducted performance tuning and optimization to enhance system efficiency.
• Training & Mentorship:
  Trained and mentored junior consultants in troubleshooting techniques, reducing resolution times by 90%. Developed and updated technical manuals and training materials to enhance team capabilities.
• Issue Resolution & Problem Management:
  Collaborated with external service providers to resolve complex application and database issues, achieving a 100% success rate in issue resolution. Implemented corrective actions to minimize repeat incidents.
• Infrastructure & Backup Solutions:
  Supported hardware and storage refresh projects, implementing Hitachi COW snapshot backup and restore mechanisms to minimize overall system restore times.
• Payment Processing Support:
  Resolved technical issues in payment processing systems, eliminating customer complaints and ensuring seamless transaction flows.

Role Overview:
As a Senior SAP Basis Consultant, I was responsible for maintaining the health, performance, and availability of SAP systems across various landscapes. My role encompassed system upgrades, performance optimization, disaster recovery testing, and collaboration with cross-functional teams to ensure seamless SAP operations.

Key Responsibilities:

• System Upgrades & Implementations:
  Led Enhancement Package (EHP6) upgrades to enhance system functionalities.
  Upgraded SAP GRC 5.0 to GRC AC 10.0, ensuring compliance and security enhancements.
  Upgraded SAP BW from BI 7.0 to BI 7.3, improving data processing capabilities.
• System Refresh & Testing:
  Managed system refresh activities for Quality Assurance (QA), User Acceptance Testing (UAT), and Pre-production environments.
  Conducted disaster recovery (DR) testing by failing over resources to ensure system resilience.
  Tested High Availability Cluster Multi-Processing (HACMP) clustering services by failing applications and databases between primary and secondary nodes.
• Release & Change Management:
  Coordinated monthly and quarterly release activities, ensuring timely and efficient deployment of updates.
  Managed planned and unplanned outages, minimizing system downtime and impact on business operations.
• Performance Optimization:
  Collaborated with ABAP and Functional teams to optimize code and improve system performance.
  Performed database maintenance tasks, including patching, upgrading, and applying bug fixes.
  Troubleshot database issues, analyzed high-cost queries, and resolved backup-related problems.
  Enhanced database performance by running table reorganizations, rebuilding indexes, and updating statistics.

Client : Mckesson

As a Senior SAP Basis Administrator, I was integral to providing Level 2 (L2) support and ensuring the stability, performance, and scalability of customer SAP systems. Operating within a 10-member team, I played a pivotal role in managing critical system operations and facilitating seamless transitions during system upgrades and migrations.

• Provided L2 support for SAP systems, addressing and resolving incidents to minimize downtime.
  Conducted regular system health checks, performance tuning, and capacity planning to ensure optimal system performance.
• Collaborated with onshore teams to plan and execute system cutovers and releases into production, ensuring minimal disruption to business operations.
• Maintained comprehensive documentation for all system

configurations, upgrades, and migrations.

Reviewed and tested Disaster Recovery (DR) plans and Application Recovery strategies to ensure business continuity.

SAP Basis administrator, helping with troubleshooting, monitoring system performance, and handling user requests.