Sureshkumar Ramachandran

Big Data Infrastructure, Datalake Engineering, CI/CD. Built Python REST/SOAP microservices; designed NiFi ETL workflows and end-to-end pipelines. Managed Big Data clusters (HDFS, HBase, Drill, OpenTSDB) with HAProxy, Ansible automation, Ranger/Kerberos security. Reporting via Jupyter, Superset, Grafana. Migrated Dremio→Drill, orchestrated Airflow. CI/CD GitLab→Jenkins. Kubernetes/OpenShift deployments; built demo clusters, Databricks multihop Lakehouse architecture; mentored engineers.

Financial Data Warehouse & Migration: Migrated customer data from legacy systems; performed data quality analysis, cleansing, and DB updates using SQL, Perl, and Python (Pandas) on Oracle/UNIX. Automated scripts, created temp tables, test cases, and workflows with UC4 & Informatica; monitoring via Jira. Built SAP BW 7.4/HANA data flows, ERP data acquisition layers, process chains, and reports with SAP BOBJ WebI; managed transports, testing, scheduling, and administration.

Managedmaster data in Excel; mapped attributes to SAP BI InfoObjects, created data sources, InfoPackages, and loaded data into InfoProviders/InfoCubes with monitoring and reporting. Worked with Big Data using Hadoop/HDFS; transferred data via SAP BODS to SAP HANA and created AWS SAP HANA instances. Modeled SAP BI 7.0 data structures and managed HANA data. Ensured QA/testing. Developed Java-based doc extraction tools; maintained MediaWiki docs and automated conversion to PDF/Eclipse Help with HTML templates.

SAP - Process Integration SAP - CRM(Software Architecture Development) SAP Technology Advanced Computer Science International Project Management

C, C++,C#, java, Data Structures, Electronic Communication computer networks, Cryptography Network Security, System Software, Design and Analysis Algorithm, Operating System, Software Engineering, User Interface Design, Internet Programming, Object oriented Analysis and Design , DBMS.