Marvin Esteban Corrales Moya

Experience

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  Cargill

  Mar 2004 - Aug 2006

  Customer Support Agent and Report Specialist

  Customer Support Agent and Report Specialist, Develop University projects like the Customer Service tool to take orders and help customers with different inquiries, helping the customer service team to provide better experience to the customer in a faster and accurate way, improving the quality and reducing the times of attention, optimizing or reducing the pikes or customers wait time.Help the IT team with the different reports querying Oracle Database 9, generating reports to find missing data on the customer service reports for example missing customer address or identifying data incorrectly inserted or in the wrong field. Show less

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  Trax Technologies

  Mar 2006 - Aug 2010

  Application FPS, Reporting, Web and IT Support

  Application, WEB, Freight Payment System, Report and MSSql DBA SupportProgram on technologies like: Visual Studio.net, ASP/ASPx.net, C#, using IIS and Apache Tomcat. Work as application DBA on reports, maintenance plans, store procedures, packages and functions developed on T-SQL. Solve troubleshoot performance issues like timeouts on the applications, long running queries and failed jobs. Materialize views for web reporting and backup and restore.• Receive the WOW Award recognition for outstanding support on a daily basis providing unconditional support to every single request from the different teams, solving problems in a timely manner, escalation from upper levels when it applies, helping different departments and teams to achieve their different inquires and issues. Show less

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  Hewlett-Packard

  Aug 2010 - Aug 2012

  Data Base Support Administrator Level II (ORACLE - MSSQL - DB2)

  ITO Database Administrator Level 2 supporting: Central Imperial Bank of Canada, Toronto Dominion Bank, JP Morgan Chase, Delphi and British American Tobago. Infrastructure database engineer performing backup and recovery processes through: RMAN. Import / exports, data pumps for restoring or refreshing environments to move new deployments to production or refreshing DEV and Testing environments with Prod databases. Work with Lieutenant database model to create DBs from scratch or clone Plugged DBs. Administrate rack performing fail overs for patching and maintenance. Improve database tuning like: slow queries, time outs and hung sessions,. Oracle account administration, maintenance & support for severity ones analyzing Stats Packs, AWR Reports, Explain Plans and ADRI for Databases. • Work with the PL-SQL and SQL developer to create store procedures and scripts to help database teams to perform the role easily like: store procedure to check table space status, health check to get a preliminary view of the status of the whole db and develop store procedures to help administrative or financial teams to update data over the tables where certain values were detected or identified. Show less

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  IBM

  Aug 2012 - Mar 2020

  Data Engineer -Subject Matter Expert Database Administrator | GTS Client Innovation Center

  Subject Matter Expert Database Administrator | GTS Client Innovation CenterWork as Technical Lead Engineer and Data Architect at application and infrastructure database level supporting technologies like: DB2, MSSqlServer, Oracle, MariaDB and MySql with strong scripting knowledge for automation processes, jobs, maintenance task on Sql(DMLs and DDLs), Bash(Linux and Aix) and Python, besides supporting technologies like Maximo, WebSphere Administration Server, LDAP, MQ-Replication, Security Director Server, Optim Archiving and Pruning Solutions, flat file template designer for data loading through webservices, also backup, restore and high availability disaster recovery solution designer and implementer of strategies, database performance specialist analyzing through System Views, DB2advisor and Perf-Analyst tools for DB2 fixing and tuning queries and scripts by index maintenance and SQL sentences best practices, migrations from On-Premises to Cloud (BlueMix), from physical servers to Logical Partitions. Design reports for the customers for plotting and data analysis.• Create a DB2 Academy to form new DBAs on this specific technology, promoting internal hiring from employees with database knowledge.• Reduce budget on licenses, hardware and SLAs and speed up performance from different apps and tools when working on different architecture projects redesigning the infrastructure.• Reduce the time frame from 2 hours to 2 minutes when analyzing 1 Database by automation of one of the audit/security processes, creating a product used by all Database Teams around the world over DB2 (AIX&LINUX). • Recognition for the outstanding performance and contribution to IBM GTS CIC Costa Rica – 2017. • Outstanding Participation in the Cognitive Build to integrate a team and be part of the IFundIT. “Dare to Create original ideas”, “Think. Prepare. Rehearse”. “Unite to get it done now” and “Show personal interest” 2016.• LA Regional Technical Exchange participation – 2013-2015. Show less

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  Microsoft

  Apr 2020 - now

  Azure SQL Database Support EngineerSupporting Platform as a Service (PaaS) DB products (SQL DB and SQL Managed Instance) and Hybrid solutions to provide customer/user great experience [empowering, helping and advising] on Availability, Geo Replication, Backup, Restore, BacPacs (Export/Import), Transactional Replication, Connectivity, Data Sync, Migrations (DMS) from On-premises, Provisioning, Elastic Pools/Jobs, Security, Privacy, Compliance, Performance/Query Executions (SQL/KQL), Azure Active Directory and Azure Portal/Tools Show less

  • CSS Azure SQL PaaS Support Escalation Engineer

    Apr 2022 - now

  • CSS - Azure SQL Database Enginner

    Apr 2020 - Jun 2022