Rajashekar Punna
Certified SAP BASIS Technical Lead/Architect
Hyderabad
Summary
Results-driven IT professional with over 14 years of experience in the IT services industry, specializing in SAP products and services. Successfully managed SAP implementations, installations, and system upgrades, which improved operational efficiency and minimized downtime. Demonstrated proficiency in a broad range of SAP solutions, including S4HANA and BW ON HANA, across UNIX, Linux, and Windows environments, helping to enhance system performance. With a strong background in SAP RISE and HEC private cloud projects, this expertise ensures seamless transitions to modern cloud infrastructures. Ready to contribute technical acumen and a strategic perspective to drive organizational success.
Overview
15
15
years of professional experience
5
5
Certificates
Work History
SAP Technical Lead/Architect
Tata Consultancy Services
06.2021 - Current
- Spearheaded the end-to-end technical upgrade of the SAP S/4HANA landscape from version 2020 FPS01 to 2023 FPS03.
- Managed the full project life cycle, including planning, preparation, execution, post-go-live support, and documentation.
- Led the SAP Cloud ALM setup on BTP, provisioning and configuring instances for implementation and operations to meet project and business requirements.
- Utilized BTP cockpit services, including entitlements and subscriptions, to activate and manage the SAP Cloud ALM tenant effectively.
- Configured backend SAP systems (S/4HANA, BW, TPM, and cloud connector) to connect with SAP Cloud ALM, ensuring proper registration and communication via Landscape Management.
- Configured SAP Cloud ALM for end-to-end monitoring, alerting, test case management, enabling SSO via OKTA, and alert notification management via MS Teams across landscapes.
- Implemented change and deployment management using SAP Cloud ALM.
- Led the technical deployment of SAP Signavio Process Insights on the SAP BTP platform, enabling data-driven insights into core business processes for the S/4 HANA landscape.
- Administered and configured the SAP Identity Authentication Service (IAS) tenant to serve as the central user management system for BTP-based applications.
- Integrated IAS with Okta as a corporate identity provider (IdP) using SAML 2.0 and OIDC (OpenID Connect) protocols, enabling a single sign-on (SSO) experience for users for BTP-based applications.
- Involved in setting up conditional authentication policies in IAS to direct users to the correct IdP, based on defined rules. Resolved IAS and Okta integration issues to maintain seamless, secure authentication.
- Architected and provisioned an Azure Internal Load Balancer (ILB) for the web dispatchers' HA setup.
- Configured and managed core Azure infrastructure components within the private cloud, including organizing servers into Availability Sets and Proximity Placement Groups, ensuring high availability, and ultra-low latency between SAP applications and database tiers.
- Coordinated seamlessly with SAP ECS and customer network teams to establish secure VNET peering between primary production and DR server landscapes within Azure.
- Demonstrated expertise in SAP HANA database management within the SAP RISE framework, specializing in optimizing high-growth tables to reduce costs, and enhance system performance for S/4HANA Cloud and connected applications.
- Managed ABAP and HANA performance within the SAP ECS private cloud, focusing on application-level tuning within the shared responsibility model.
- Collaborated with SAP ECS technical account managers to plan capacity changes, troubleshoot incidents using ITIL frameworks, and utilize SAP Support Portal dashboards for proactive capacity planning and monitoring.
- Orchestrated and validated all infrastructure-level regular maintenance within the SAP ECS private cloud—including kernel upgrades, HANA DB revision upgrades, add-on installation, cloud connector upgrade, and OS/security patching—by scoping and initiating these activities via SAP Service Requests (SRs), using structured Outcome-Based Service Requests (OBSRs), and predefined Service Packages within the SAP ECS engagement framework, ensuring adherence to the SAP shared responsibility model and minimizing downtime.
- Collaborated with SAP ECS to migrate from HEC (HANA Enterprise Cloud) to the RISE with SAP model, defining and activating new entitlements, upscaling servers, and service parameters within the SAP private cloud environment.
- Provided technical leadership and oversight for three distinct SAP landscapes (S/4HANA, BW, and TPM), hosted in the SAP Private Cloud, managing a team of four SAP BASIS administrators.
- Acted as the primary technical liaison with SAP ECS, translating complex customer requirements into actionable deployment plans, and managing service delivery outcomes within the shared responsibility model.
- Oversaw critical operations across the landscapes, including performance tuning, security compliance, disaster recovery readiness, and ensuring adherence to mandatory SAP security baselines.
- Mentored junior team members, orchestrated knowledge transfer sessions, and enforced the documentation of SOPs and Knowledge Base (KB) articles to maintain operational excellence and team efficiency.
- Functioned as the primary technical subject matter expert (SME) during formal RFP/RFI bid processes, contributing significant input and client presentations.
Sr. SAP BASIS Consultant
Wipro Limited
05.2019 - 05.2021
- Executed SAP version upgrades from NW 7.4 SP15 to NW 7.5 SP18 across multiple landscapes.
- Conducted monthly HANA database system refreshes for ECC and EWM environments.
- Managed GRC add-on upgrades, as well as implemented SAP and HANA parameter modifications.
- Carried out HANA revision upgrades, client upgrades, and performed backup and recovery procedures.
- Implemented SAP Support Backbone updates on two distinct landscapes (ECC and NW Gateway).
- Led the end-to-end setup of the Avantra monitoring tool, including installation, testing, configuration of alerting mechanisms through the SNOW tool, fine-tuning of SAP and HANA DB parameters, and comprehensive documentation to ensure efficient operation with minimal manual intervention, in collaboration with the Avantra support team.
- Supported both project and operational activities, encompassing incident management (resolving issues within SLA), change management, and release management processes.
SAP Basis Consultant
Infosys Pvt Ltd
02.2015 - 05.2019
- · Completed end-to-end SAP NetWeaver AS ABAP 7.5 implementation, including testing and post go-live support.
- · Built multiple systems and performed system copies across SAP NetWeaver versions 7.31, 7.4, and 7.5.
- · Conducted system refreshes with database backup, restore, and post-refresh activities.
- Installed and upgraded Oracle databases (11g to 12c, SBP).
- Managed client creation, deletion, exports/imports, and local/remote copies.
- Utilized SAP Web AS Java tools for configuration tasks.
- Executed add-on and language installations, parameter changes, HANA, and SAP application setup on NW 7.5.
- Carried out HANA upgrades, client upgrades, backups, and recovery.
- Troubleshot SAP Basis issues, applied notes, and communicated via the SAP Service Marketplace.
- Led a support team as the SPOC for maintenance projects.
- Documented key activities for future reference.
- Resolved SCIs and incidents in the ITSM tool within SLA.
- Performed quarterly support pack and kernel upgrades.
- Handled change requests and IQ submissions per client standards.
- Independently managed projects, providing technical support, and coordination.
- Planned annual activities and liaised with system owners.
SAP Basis Administrator
Randstad India Limited
10.2010 - 02.2015
- Planning annual activities, and maintaining effective communication with system owners.
- Conducting daily monitoring, including oversight of all application servers, work process status, background jobs, performance metrics, and backup logs.
- Implementing support packages and notes via SPAM/SNOTE, as well as performing SAP R/3 kernel upgrades.
- Executing client administration tasks, such as local and remote client copy, and client creation or deletion.
- Managing the Transport Management System (TMS) and coordinating transports between SAP systems.
- Administering background jobs, including their scheduling and monitoring.
- Maintaining profile parameters using RZ10 and RZ11 transactions.
- Analyzing system logs and ABAP dumps daily to resolve operational issues.
- Providing 24/7 on-call support, as required.
- Establishing SAP connections and liaising with SAP for issue resolution.
- Configuring printers using SPAD for various device types.
Education
Bachelor of Technology - Computer Science Engineering
JNTU
Hyderabad, India01.2010
Skills
Software/Tools: SAP S/4HANA, ECC 60, CRM, BW, PI, SCM, BW, TPM, NetWeaver 7x, SolMan 7x, BTP, SAP Cloud ALM, HANA Studio/Cockpit, SWPM, SUM 20
Certification
SAP Certified Associate SAP S/4HANA System Administration
Professional Awards
● Best Thing Since Sliced Bread" (BTSSB) award representing the TCS engagement in the Business Transformation team – SAP S/4 HANA release upgrade project - (March to September 2025)
● Received “Best Team Award” & “On the Spot Award” for contributing excellent support to the
customer in managing and executing technical activities during the release windows for the year 2025
● Received “Star of the Month Award” for outstanding contribution to the organization for the
Quarter 2 - 2025
● Received “Delivery Excellence” for being consistent performer for the Quarter 1 & 2 - 2024
● Received “Spot Award” for exemplary contributions towards projects for the Quarter 2 - 2023
● Nominated for Most Valuable Player of 2022 by TCS cloud and infrastructure services
Timeline
SAP Technical Lead/Architect
Tata Consultancy Services
06.2021 - Current
Sr. SAP BASIS Consultant
Wipro Limited
05.2019 - 05.2021
SAP Basis Consultant
Infosys Pvt Ltd
02.2015 - 05.2019
SAP Basis Administrator
Randstad India Limited
10.2010 - 02.2015
Bachelor of Technology - Computer Science Engineering
JNTU