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Senior Oracle DBA, Oracle Exadata Database Machine CertifiedImplementation Specialist, Oracle Autonomous Database Cloud 2021 Certified Specialist, Oracle Golden Gate 12c Certified Implementation Specialist, Oracle Database Administration 2019 Certified Professional OCP and Oracle Database 11g Administrator Certified Associate OCA with more than 9 years of experience as database administrator for production and development environments. Extensive experience in maintenance, security, backup and recovery processes and protocols to protect and retain valuable company data. Proficient in Oracle 10g, 11g, 12c, 18c, 19c and 21c in financial and retail industries. Experience with other RDBMS systems like MySQL, PostgreSQL and SQL Server. Results-oriented engineer with problem- solving and critical thinking skills, as well as meticulous attention to detail and methodical nature. Skilled in tackling problems in unique ways to develop innovative solutions. I am only interested in contract positions on a c2c base. Work History2023-01  ToDateSenior Oracle Database AdministratorHCL  Dollar General  Nashville TN Administration, configuration, and monitoring of Exadata X9M, X9M and X7 machine components, including Cell Server, Infiniband switch, RoCE switch, Cisco switch, PDU, KVM . Experience in troubleshooting network and I/O related issues in the Exadata environment. Configuring the monitoring cell server thresholds and troubleshooting the cell server, Infiniband, cisco switch, RAC interconnects issues . Hands-on experience managing, addition and deletion cell disks, grid disks, ASM disks and all storage features with cellcli commands. Optimizing and modifying production and critical databases, as well as diagnosing and determining the core cause of Oracle database on Exadata systems outages. Experience in configuring Database Backup andRecovery using RMAN and recovery for databases in TBs . Practical knowledge to Data Guard setup, switchover, failover and gap resolution between datacenters in separate cities. Experience configuring and building Golden GateExtracts/replicate for multiple databases. Practical experience adjusting Golden Gate to handle restarts, latency, logging, production support, and status reporting. Configuring and maintaining OEM grid control, monitoring alerts in a production setting, and taking proactive measures based on business criticality are all included. WilliamQuitianSenior Oracle DBAContactE-mailEMAIL AVAILABLESkillsOracle databaseadministrator 19cExcellentTuning and performancedatabaseExcellentOracle RMANExcellentOracle Data GuardVery GoodOracle Golden GateGoodOracle Cloud ControlExcellentOracle RACVery GoodUnix and Linux OSAverageSoftwareToad for OracleVery Good Design testing approaches, complex processes, reporting streams, and assist with the automation of repetitive tasks. Performance and capacity review of Production DB environments. Migration of on-premise databases to cloud computing, such as AWS and Oracle Cloud Infrastructure (OCI), with methods such as DataPump, transportable tablespaces, RMAN, duplications from active databases, unplugging, and plugging in PDB databases. Use of autonomous data guard technologies, configure disaster recovery databases on Oracle Cloud Infrastructure(OCI) from an on-premise datacenter, adhering to the business company's Recovery Time Objective (RTO) and Recovery Point Objective (RPO) specifications.2022-03
2022-10Senior Oracle Database AdministratorScotiaGBS S.A.SConfigure, test and support Oracle databases in versions 9i to 19c and additional Oracle technologies as Dataguard, Goldengate, RAC, Oracle Enterprise Manager, Oracle Autonomous Database, Advance Security, Tuning Pack, Multitenant, Exadata for Scotia Bank in Canada and the US Proactively monitoring the database's health and taking preventive or corrective action as required. Ensure DB 7/24 availability global and local Oracle databases. Contribute to the creation and maintenance ofdisaster recovery plans. Analyzes and determines database memoryrequirements, processing power, storage, networkconnections, and performance optimization. Troubleshoot the problems. It includes a quickunderstanding of the problem and its resolution,restoration of the data, rectify the issue and minimize the damage. Developed, updated and organized Oracledatabases to handle customer and financial data. Continuous review and evaluation of the software, hardware, service delivery, and updates as andwhen required. Actively attends and participates in the professional group meetings. Thus, acquire knowledge of the new and upcoming trends and innovations in the IT field. Maintains a data standard and security measuresthrough the implementation of informationtechnology plans, policies, and standards. Installing and configuring Oracle Golden Gate oriented to micro services on web console administration. Analyze PL/SQL code from developers to provideguidelines in terms of SQL and PL/SQL looking forperformance and quality. Creation of SQL and PL/SQL scripts to automatize database routine and maintenance tasks. Write, test, and improve SQL statements for complex queries being aware of business informationrequirements. Management, monitoring and refreshing OracleAutonomous Databases on Oracle Cloud Infrastructure. 2017-07
2022-02Senior Oracle Database AdministratorScotiabank ColpatriaManagement of Oracle databases for Scotia BankColpatria, installing, supporting, testing and replicating Oracle databases versions 10g to 19c some of them in supercluster machines. Additionally, setting up technologies as Dataguard, Goldengate, RAC, Oracle EnterpriseManager, Multitenant, Oracle Autonomous Database,Advance Security, Tuning Pack. Installed, upgraded, configured and tuned, Oracle databases 10g,11g, 12c, 18c and 19c, SQL Server on systems associated UNIX and Windows environments. Leads database upgrade and capacity planning;administers development, staging, testing, andproduction database environments; and executesplan. Analyzes and determines database memoryrequirements, processing power, storage, networkconnections, and performance optimization Developed, updated and organized Oracledatabases to handle customer and financial data. Maintained equipment and facilities in optimalcondition to support optimal launch and recoveryoperations. Maintained flexible schedule, responded to after- hours, and weekend emergencies. Provides support to users and developers. Conducts database performance tuning, queryoptimization, index tuning, tables restructuring, and storage optimization. Supports disaster recovery efforts at remote sites. Evaluates and implements new technology stackreleases and patches for databases. Performs upgrades and cloning of applicationdatabases. Performs data replication as needed. Provides guidance to junior staff members. Hands-on experience setting up Oracle Golden Gate versions 12c and 19c implementing projects liketables logical replication and migration projects for bank core databases between super cluster systemsand Linux cluster systems. Replication with Golden Gate on one way andbidirectional with data replication conflict detection. Experience administrating Oracle databases forongoing Siebel CRM applications. Patching and upgrading software and firmware of the database servers supercluster and Exadata database machine. Provide and implement performancetuning recommendations for databases with specialresources on Exadata systems. Check and advise improvement on PL/SQL code andcoach developers giving feedback for optimization in run time and resources based on the knowledge of how an Oracle database processes any kind of statements. Develop PL/SQL code to automatize repetitive tasks on the database and collect specific scheduled metrics for special reports. Write, test, and improve SQL statements for complex queries being aware of business informationrequirements. Creation, configuration, monitoring and backing up of Oracle and Aurora RDS on AWS and Oracle on AmazonEC2, also experience with NoSQL DynamoDB. Migration from on premise databases to Cloudcomputing such as AWS and Oracle Cloudinfrastructure with methods DataPump, transportable tablespaces, RMAN, duplications from activedatabases, unplug and plug in pluggable databases, and more. Install, monitor and maintain PostgreSQL software database engine, implement monitoring and alerting with versions PostgreSQL 9.6,10,11,12. Experience in upgrading, patching, and migration databases between PostgreSQL and Oracle databasesystems. Installation, configuration and management of MySQL versions 5.7 and 8.0. Optimization of SQL queries in MySQL 5.7 and 8.0. Management and maintenance of MySQL versions 5.7 and 8.0 keeping control of new releases, performance, security and availability of database.2015-01 -2017-07Oracle Database AdministratorBanco AvVillasProvide 24/7 support to Oracle, MS SQL Server and Netezza databases for AV Villas bank in production and non- production environments, and other Oracle solutions as RAC, Advance Security and Tuning Pack. Alsomanagement of Weblogic and WAS application servers supporting PeopleSoft. Installs, configures, and maintains enterprisedatabase environments. Conducts research and make recommendations ondatabase products, services, and standards insupport of procurement and development efforts. Performance review and database tuning. Plans and coordinates data migrations betweensystems. Establishes appropriate end-user database access control levels Work with application development staff to develop database architectures, coding standards, andquality assurance policies and procedures. Created and implemented database designs anddata models. Planned and implemented security measures tosafeguard vital business data. Encrypted sensitive information within the database and implemented Encryption keys on relationaldatabase management systems by using Oracletransparent data encryption (TDE). Use TDE either in individual data columns or entire tablespaces. Controlling access to database exports or recovery manager backups. Ciphering (encrypt) data on tables and reducing the data exposed to unauthorized users who are notavailable to read data in specific columns with Oracle Data Redaction feature. Deployment of applications on AWS. Management of Non SQL database like Dynamo onAWS. Set up of AWS services like S3, Cognito and APIgateway. Migration of on-premise Oracle database to the Oracle Cloud.2012-06 -2015-01Software DeveloperImagine Technologies Developed shared central authentication system in PHP and JAVA languages for intranet applications. Development of SQL DML and DDL to access thedatabase and update, delete and insert information. Evaluated project requirements and specifications and developed software applications that surpassed client expectations. Walked clients and internal staff through troubleshooting steps to resolve common software issues. Built, tested and deployed scalable, highly available and modular software products. Translated technical concepts and information into terms all parties could easily comprehend. Consulted with engineering team members to determine system loads and develop improvement plans. Collaborated on all stages of systems development lifecycle, from requirements gathering to production releases.Education2008-01 -2014-11Bachelor of Science with a Major in SystemsEngineeringUniversidad Minuto De Dios - Bogot DC2015-01 -2015-12Associate of Applied Science: DatabaseManagementFundacin De Egresados De La Universidad Distrital - Bogot DC2016-06 -2016-10Associate of Applied Science: AdministeringMicrosoft SQL Server 2014Intelligent Training Colombia - BogotCertifications2023-052022-102022-022021-122018-07Oracle Exadata Database Certified Implementation Specialist Oracle Golden Gate 12c Certified Implementation Specialist Oracle Autonomous Database Cloud 2021 Certified Specialist Oracle Database Administration 2019 Certified Professional Oracle Database Associate 11gProfessional References2022-102022-022017-07Gang Liu - DBA Manager  Scotiabank -EMAIL AVAILABLE - PHONE NUMBER AVAILABLEAlejandro Cespedes - Country Manager delivery - Scotiabank Colpatria - EMAIL AVAILABLE -PHONE NUMBER AVAILABLEJuan Carlos Fuquen - Manager DBA - AV Villas Bank - EMAIL AVAILABLE - +57 317 586 1623.