Sumanta Banerjee Email and Phone Number

• Spearheaded the configuration management and day-to-day operations of a multisite clustered Splunk Enterprise platform hosted in AWS, ensuring its optimal performance.• Successfully onboarded diverse data into Splunk, utilizing various techniques such as Splunk TAs, modular inputs, UFs, HEC, and Syslog from myriad data sources including AWS components like - cloudtrail,s3,aws:description,guardduty,aws:config,vpcflow logs, etc via Kinesis streams/firehose.• Implemented Splunk data models and ensured CIM compliance for all ingested data, enabling effective data analysis and reporting.• Contributed to product development by configuring and optimizing performance searches across terabytes of data ingest per day, enhancing the overall platform functionality.• Implemented robust monitoring and performance management practices, ensuring the overall health of the Splunk platform.• Demonstrated strong troubleshooting skills like data drop, timestamp/parsing issue, api connectivity issue, queue blocks, duplicate data, KV Store bootstrapping etc.• Actively working in an agile environment to meet customer requirements by delivering customized dashboards, alerts, and reporting for cloud-hosted Splunk Products and Services.• Provided technical guidance and leadership to a team of DevSecOps Engineers, fostering a collaborative and competitive work environment.• Led crucial initiatives such as upgrading Splunk Enterprise and premium apps, implementing SSL for secure web and data transmission, configuring Federated Search, and performing monthly rebuild activities for AWS Splunk instances.• Created utility dashboards (Classic XML Dashboard/Dashboard Studio) using SPL for effective administration of a large-scale Splunk deployment.• Developed technical documents and standard operating procedures (SOPs) in Confluence, ensuring knowledge sharing and documentation of best practices.

• Worked as a Tower Lead for Splunk in one of the prominent and reputed Utility account. • Understanding the problem statement and the user story, undergoing a feasibility study, designing and developing required dashboard in agile way within due iterations. • Experienced with several administration task like - field extraction, filter and routing of events using HF, add/remove members from SH cluster, deploying apps in UFs/SHs through DS/Deployer, configuring SH & Indexer Cluster.• Administering Splunk to include developing new or extending existing Apps to perform specialized functionality • Adept in Splunk ITSI components like glass tables, services, service analyzers, KPI thresholding – aggregate and adaptive, episodes, entities. • Integrating Splunk with a wide variety of legacy data sources. • Data onboarding – requirement gathering, design, implementation and testing to onboard new data to Splunk – via Universal Forwarder, HEC, APIs, etc.• Deploy and configure Splunk premium addons.

• Worked in administering and/or developing for an enterprise level implementation of Splunk.• Acquainted with Splunk query language (SPL) and experienced in developing dashboards for specific use cases.• Installation and upgrade of Splunk Enterprise on a distributed deployment/clustered architecture.• Engaging application and infrastructure teams to establish best practices for utilizing Splunk data and visualizations. • Communicating with customer stake holders including leadership, support teams, and system administrators. • Act as a member of the Tools Automation team, coordinating with team members on reviewing of requirements and development of solution.• Worked on Linux Administration activities like - Identity and password administration, deployment, monitoring server performance and load, installing packages, creating backups, scheduling jobs, developing production server environment, etc.• Conducting capacity and performance analysis and provisioning new disks to the server as per user requirement. Assigning ASM disks and have experience in working on systems having multipath and cluster environment.• Troubleshooting AD connected admin account using AD integration tool - PBIS/PBUL.• Installing and upgrading of OS(RHEL) patch after subscribing the server to the required channel.

• Direct interaction with Customer for gathering requirements and subsequent development of bash scripts required for automation.• Patching of linux servers, creating scripts and and automation of several BAU activity. • Worked on DevOps tools like Harvest, Ab-Initio, etc.• Developing several scripts to automate regular activities or to send alerts as per user requirement on BASH/KSH. • Designing and developing BASH/KSH scripts and troubleshoot project build using Hudson and GIT-Hub, administering project deployment through CA-Harvest. • Worked on developing scripts as per requirement that are required for automations and had to modify the existing scripts while migrating the server from Solaris to Linux.

Automations and System Administration