Dipanjan Sarkar

About Dipanjan Sarkar

Over 13 years of cross-platform File Transfer administration experience with Secure File Transfer and Unix Shell Scripting.Extensive experience on administration of UNIX and Linux Servers (RHEL, SuSE)Expertise in Managed File transfer Protocols like SFTP/FTP/LFTP/AS2/HTTPTumbleweed administration - Configuration, Customization, Troubleshooting, and Deploying Applications.Extensive experience in Unix Shell Scripting and have working experience on PERL scripting.Experience in supervision, planning, security, infrastructure support, migration, upgrades, and implementation of production file transfer instances.Worked on Application Monitoring Tools – HP OpenviewWorked independently and resolves complex problems with supervision.Conducted quality management reviews, ensuring the application design and related work products satisfy requirements.Worked with development team members in various locationsComplied with all security requirements in developing code and applicationsTranslated user requirements into overall solution architecture approachesGathers business requirements and develops solutions based upon design approaches aligned by the teamEvaluates alternative solutions and recommends solution that best meets the need of the business

Experience

1. Lead Systems Engineer

   FactSet

   Apr 2023 — Present · IN

   Study the existing design of the File Transfer System and identify the bottlenecks and availability concerns.Develop a plan to enhance the current infrastructure progressively without disruption to existing services to address gaps in availability and performance.Develop an automated process for quarterly audits of usage of accounts and develop a process for disabling user accounts that are not in use for over a year.Create/modify templates and workflows to integrate FTS services with internal product enhancements and/or incorporate new requirements from clients.Create programs to get statistics from Axway audit and server logs and feed them to InfluxDB every 5 minutes with 1 minute granularity.Create Grafana dashboards that depict capacity utilization, performance and trends.Create Grafana dashboards that provide statistics of file transfers on a per user basis over time.Support flow of data from Axway secure transport server logs to CLP and monitor Kibana dashboards for anomaliesRespond to critical and high priority tickets promptly to address failures and minimize down time or degraded services to clients, vendors and internal products.Participate in debugging sessions that involve analyzing tcpdumps via Wireshark or similar utilities and isolating root cause of failure.Collaborate with product teams to add new templates/functionality based on new business requirements.Collaborate with network, security, Unix Teams and product teams to determine the cause of failures impacting the FTS environment.Research and analyze how each account workflow can be migrated and verified.Create a test plan involving FTS team, client and respective product teams.Create a roll-back plan to fail back services to on-prem infrastructure in case of failures and anomalies in the cloud infrastructure that cannot easily be resolved.Modification of existing deployment infrastructure scripts to account for new cloud infrastructure.

Education

• College of Engineering & Management, Kolaghat

  Bachelor of Technology (B.Tech.), Information Technology

  2006 — 2010

• Balurghat High School

  Higher Secondary, Science

  1997 — 2006

Skills

• Winscp
• Vbscript
• Databases
• Business Process Improvement
• Windows Batch
• Pl/Sql
• Axway Secure Transport
• Dell Drac
• File Servers
• Oracle Weblogic Server
• Process Improvement
• Disaster Recovery
• Filezilla
• Red Hat Linux
• Core Java
• File Management
• Suse Linux
• Mysql
• Process Management
• C
• Unix
• Windows Server
• Shell Scripting