Gajanan Chavan

Senior Systems Engineer

Infosys Limited•  November 2018 - Present

Project – Uniper Energy (Aug 2021 - Present)  Develop ETL jobs from various sources such as FTP, SFTP & Web download and loaded into target MSSQL database using Talend OS ETL tool.  Interact with business community and gathered requirements based on changing needs.  Have used Azure components - Downloading and uploading data files (with ETL) to Azure Blob system using blob Talend components.  Used more components in Talend and Few to be mentioned: tMap, tFilterRow, tJavaFlex, tFileInputDelimited, tFileOutputDelimited, tlogrow components etc. in many of my Jobs Design.  Worked on Joblets & Java routines in Talend.  Design, Develop and Test ETL processes in order to meet project requirements.  Upload artifacts into Talend Management Console (TMC) and configure the tasks. Create plans and schedule them as per the business requirements. Project – Lumen Technologies (Nov 2018 – July 2021) Team 1:  Worked on Layer 2 (Datalink Layer) & Layer 3 (Network Layer) services.  Verifying MAC addresses and port configurations (Bandwidth/MTU size/Transmission Mode) with customer.  Testing and troubleshooting the circuits with customer to get the traffic flowing through.  Checking and verifying the tagging to fix the packet loss issues.  Knowledge of VPN, VLAN, NAT and frame transmission types (Unicast/Multicast/Broadcast).  Protocols: ARP, RARP, ICMP  Worked in production environment.  Responsible for maintaining the SLA. Team 2:  Worked on Layer1 (Transport Layer) DWDM service in networking domain.  Monitoring transport devices (ADVA, Infinera, Huawei, Alcatel) to locate the issue.  Troubleshooting the physical connections with field technicians as well as with customers.  Testing the link with defined testing standards (BERT & RFC2544) to prove the connection status.  Checking and verifying the physical parts (Optics/SFPs) according to the user requirement.  Responsible to resolve the tickets within defined Service Level Agreement (SLA).  Responsible for supporting the customer in production environment.  Responsible for resolving the issue based on the priority.