Lakshmi Narayanan

Software Engineer

Gigamon•  August 2022 - December 2023

• Implemented user password encryption using OpenSSL algorithms within running text configurations, enhancing security by masking sensitive information. • Played a pivotal role in the migration of OpenSSL from version 1.0.2 to 3.0.7 within the RHEL 8 environment, actively addressing compatibility issues and contributing to the update of dependent open-source packages such as curl, ldap, Apache HTTPd, ssmtp, and thrift. • Conducted unit testing and provided support for automating trust store upgrade feature. • Contributed to unit testing and development support for user-selectable crypto options in SSH parameters feature. • Assisted in development and testing activities for Python upgrade from version 2.7 to 3.8. • Resolved customer sustenance bugs, internal defects, and Coverity issues within the codebase. • Addressed multiple CVEs reported by Qualys and Tenable scans, ensuring the security integrity of the software. • Monitored device security vulnerabilities using Synopsis Blackduck software, proactively detecting and addressing potential threats. • Additionally, upgraded important open-source software packages like Apache HTTPd, curl, and SSMTP to fix known security issues (CVEs). This helped make our system more secure and reliable, meeting industry standards for safety. • Regularly updated devices with the latest GigaVUE images for certification processes with BAH and Safelogic for FIPS certification.

Data Engineer

Cognizant•  July 2021 - July 2022

• Proficient in writing complex SQL queries for data retrieval, manipulation, and analysis in MS SQL Server environment. • Experienced in creating and managing database objects like tables, views, stored procedures, and functions using SQL • Developed efficient data integration workflows and ETL processes using SQL Server Integration Services (SSIS) • Utilized SSIS data flow components (Source, Destination, Data Conversion, Conditional Split, Lookup) for data transformation • Implemented error handling, logging, and performance optimization techniques in SSIS package development • Scheduled and automated SSIS packages using SQL Server Agent for streamlined data integration processes • Collaborated with cross-functional teams to gather requirements and implement data integration solutions • Designed and developed Power BI reports and dashboards for data visualization and business intelligence • Performed data modeling, ETL processes, and data cleansing for Power BI report development

Data engineer intern

Cognizant•  February 2021 - July 2021

• Trained in MySQL database management system, proficient in writing SQL queries for data manipulation and analysis • Developed skills in Python programming language for data processing, automation, and scripting tasks • Exposed to Azure cloud platform, including services like Azure Virtual Machines, Azure Storage, and Azure Data Factory • Gained hands-on experience with big data technologies like Hadoop ecosystem, HDFS, Apache Spark, Hive, Pig, HBase, Sqoop, and Flume • Learned to perform large-scale data processing, storage, and analysis using distributed computing frameworks • Acquired knowledge of NoSQL databases like HBase for handling unstructured and semi-structured data • Implemented data ingestion and movement between Hadoop and relational databases using Sqoop • Explored data collection and log aggregation using Flume for ingesting streaming data into Hadoop ecosystem • Collaborated in teams and participated in projects involving big data technologies and cloud computing