Lillian Claro
Overview
21
21
years of professional experience
Work History
Lead Operations Systems Engineer
Wells Fargo
04.2023 - 07.2024
- Supported in developing frameworks to drive automation of the production environment for toil reduction
- Applied basic understanding of systems / application infrastructure and provided support in routine initiatives
- Troubleshooted commonly known and basic issues relating to applications and infrastructure and data accuracy using Oracle PLSQL queries
- Supported, managed and monitored basic systems, applications and infrastructure solutions, migrations, upgrades, configurations of Informatica systems
- Splunk to GCP Cloud monitoring migration
- Responsible for the upkeep, configuration, and reliable operations of Linux and Windows OS, middleware, and system applications on both on-premise and Azure Cloud
- Level 2 application support, troubleshooting and maintenance of Autosys jobs that ingest, ETL and distribute data, patch deployments, BCP testing and service outage response
- Troubleshooting jobs by executing SQL queries to find data inconsistencies, duplicates or missing data
- Responsible for incident/problem management and knowledge management procedures on Service Now and Jira
- Log analysis to get root cause
- Coordinated with L1 teams to ensure they had the tools to provide support such as writing runbooks troubleshooting procedures
VP - Senior Application Support Specialist
BNY MELLON
Jersey City, NJ
07.2018 - 04.2023
- Company Overview: Modis contractor hired as employee
- Provided documentation and training to staff and application users
- L1 & L2 system administration and support of Kafka messaging systems built on Java/RHEL Linux
- Creating and troubleshooting topics, partitions, replicas, producers, consumers, users and configuration
- Resolved Jira and Service Now incidents/Problem and provided Change Management Approvals
- System upgrades and administration of new systems and maintenance of existing servers
- Responsible for onboarding new applications to the support teams using Permit To Operate controls
- Provided level 2 production support on Dynamics 365 CRM and Sales, Azure Devops and applications on GCP AppEngine
- Migrations and deployments
- Ensured users had the right access level on Dynamis 365 and they belonged to the right group
- Helped users get connectivity with Outlook plugin so they could answer their cases
- Performed verifications of all servers after patching ensuring environment was up and running
- Provided technical and coding support to users, understanding issues and escalated when needed
- Helped customers onboard to Kafka assisting them with writing yaml file for Docker
- Wrote technical documentation for customers to use when onboarding to Kafka
- Modis contractor hired as employee
Applications Support Analyst/System Administrator
Altice USA
Bethpage, NY
06.2016 - 09.2017
- Company Overview: Purchased Cablevision Systems
- Full systems support on Voice, Data and Application Services Departments
- Maintaining and troubleshooting the front-end interface as well as the middle tier and backend services in Linux/Solaris environment
- Solaris migration of DB Reporting servers into Linux
- Upgraded existing Solaris Korn Shell scripts, testing to ensure all worked as it did in the Solaris environment once migrated completed
- Technical Lead on Optimum.Com website project
- This entailed working with networking, infrastructure, software and database upgrades and cloud Migration to Adobe Cloud in order to complete the project
- Built new Tomcat servers and helped with system architecture
- Won leadership and collaboration company award for this project from the company executives
- Purchased Cablevision Systems
Applications Support Analyst/System administrator
Cablevision Systems
Bethpage, NY
07.2008 - 06.2016
- Company Overview: Purchased by Altice
- Level 2 support of production, development and UAT environments
- Approved code and worked with QA/UAT teams prior to deployment to find errors that would affect production environment
- Designed distributed cluster architecture for Kafka, Zookeeper, RabbitMQ and other messaging systems
- Installed and maintained monitoring system for Kafka Topics through a dedicated AppDynamics server and monitored JMX events in Splunk
- Supported our Toll-Free applications and services and manually fixed accounts that had not been serviced or provisioned
- I discovered over $100,000 in uncollected funds by performing data analysis and investigation using Oracle PLSQL scripts
- Created and optimized PLSQL queries that provided temporary fixes to existing application defects
- System administration and support of BEA WebLogic, JBoss and Tomcat middleware connecting our Amdocs CRM, EPC and Sales Engine applications to the Oracle database
- System Administrator and supported Tibco BPM applications, IProcess and EMS
- Migration from Solaris to RHEL Linux
- Upgraded Korn shell scripts to resolve incompatibility with new operating system
- Responsible for reporting server performance and capacity planning to management monthly
- Liaise with developers, networking, security and project managers to ensure new Java applications had network connectivity, database connections set up, DNS names, SSL Certs, monitoring and connectivity to F5 load balancers
- Wrote technical documentation to train team on support of new applications from the technical and business aspects
- Purchased by Altice
Systems Analyst, Application Support
Goldman Sachs
New York
10.2006 - 06.2008
- Managed research application deployments of global application and weekly ad hoc releases in Linux environment
- Planned and coordinated installation of Citrix NetScaler used by production and QA environments and assisted in planning fast failover procedures
- Coordinated hardware maintenance and operating system upgrades
- Kept statistics of incoming incidents using Excel macros and presented them to management weekly
- Wrote Perl scripts that served as support tools for the team
- Provided Level 2 business client support of research Java applications
- This required investigating the workflow in Unix and databases to resolve lags and troubleshooting exceptions thrown by java processes
- Updated stored procedures and SQL scripts with new business requirements as companies were initiated
- Maintained and supported UAT and production environment on JBoss middleware that connected Sybase database
- Provided weekend, off-hour and on-call follow the sun support on Linux and windows servers
Associate, Fixed Income Trading floor support
JPMorgan Chase
New York
07.2003 - 10.2007
- Acted as liaison between traders and developers to communicate enhancement needs and support issues
- Supported Treasury applications systems hosted on Citrix
- Ran SQL queries on Sybase database to investigate trade details and provided fixes
- Coordinated and planned disaster recovery testing and fail over of trading applications servers on Solaris and Windows OS and collaborated with core engineering to ensure all hardware used by traders and middle offices was working as expected
- First level of support for traders, middle office and back office
- Ensured start of day Excel/VBA blotters had pulled in correct prices from Marketdata and assisted traders with PNL issues
- This entailed occasional SQL writing or VBA debugging with code fixes
- Planned and coordinated Fixed Income trading desk for Bank One merger to mirror JPMorgan Treasury trading desk and set up ftp so they could receive interest rate curves from global offices
- Coordinated migration of in-house trading applications to Murex system and trained support team and users
Timeline
Lead Operations Systems Engineer
Wells Fargo
04.2023 - 07.2024
VP - Senior Application Support Specialist
BNY MELLON
07.2018 - 04.2023
Applications Support Analyst/System Administrator
Altice USA
06.2016 - 09.2017
Applications Support Analyst/System administrator
Cablevision Systems
07.2008 - 06.2016
Systems Analyst, Application Support
Goldman Sachs
10.2006 - 06.2008
Associate, Fixed Income Trading floor support
JPMorgan Chase
07.2003 - 10.2007
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