Michael Messina Email & Phone Number

Evansville, In, Us

- Investigate, troubleshoot, and resolve complex Oracle Database, SQL execution, and Grid Infrasture (ASM, RAC) for application performance and scalability issues and develop solutions.- Investigate. troubleshoot and resolve Exadata infrastructure issues affecting the availability, reliability, and scalability of the environment to support large, highly available, and high performance database environments.- Provide Exadata Infrastructure including DB Node, Storage Cell, and Switch patch updates and upgrades as required to ensure a secure, reliable, and highly available Exadata Infrastructure.- Provide Oracle Database and Grid Infrastructure patching and upgrades as needed to ensure a secure, reliable, and highly available database environment.- Review Maintenance procedures to ensure proper error free maintenances are performed.- Automate routine tasks for better reliability and consistency across environments.- Develop standard operating procedures and consistent change execution procedures for manually executed tasks as required and outline standard procedures for automation development.- Identify inconsistencies in Oracle database and Exadata configurations and resolve them to ensure all environments are at a consistent configuration standard allowing better development and execution of automated processes.- Assist DBAs and Engineers with technical activities and serve as a mentor to DBAs and Engineers.- Define and Lead Projects for new features and technology to improve overall environment stability, reliability and performance.

South San Francisco, California, Us

- Leadership of a global team of database and dev ops engineers tasked with the creation, management, and maintenance of opensource databases including over 600 MySQL/MariaDB databases in InnoDB Cluster, Master/Master, Master/Slave, and Standalone configurations, and 2 MongoDB in Replicasets.- Manage Support of 24x7x365 uptime requirements for on-prem and cloud databases.- Define and apply a standard-based approach to all MySQL environments including parameters, file systems, and file locations.- SQL and Database Tuning in support of Application Performance Goals and SLAs.- Lead efforts to develop, define and refine Standard Operating Procedures to drive maintenance and management operations significantly reducing operational action errors and process errors affecting time to complete/time to resolution.- Automation of MySQL database builds, patching/upgrades. Reduced MySQL environment build time to < 1 hour with all standards applied to the environment and validation of environment.- Provided leadership in critical projects moving MySQL databases to the Microsoft Azure and Google (GCP) Public Clouds as well as SAP internal Cloud environments located around the world.- Improved overall database availability and reliability through application of standard operating procedures, and standard environment configurations.- Defined MySQL database security standards based on best practices and applied them across over 600 MySQL and to ensure consistent standard alarms and dashboards that alert to standard security policy violations. Went from an average 40% compliance level to over 95% compliance level with most standards at 100% compliance.- Improved process, procedures, and data gathering via automation into Configuration Management Database to provide standard violations, and quickly understand growth patterns in data improving the ability to budget resources accordingly.

Independence, Ohio, Us

- Formally Rolta Solutions- Manage a group of Senior Solutions Architects/Consultants- Develop IT solutions around cloud and on-prem databases for high availability, disaster recovery, and high performance and present and implement solutions to customers.- Provide Project Leadership and Project Management to Rolta / AdvizeX customer projects around the world.- Be a subject matter expert providing Database Technical Services and Product expertise for Oracle, MySQL, Oracle OEM, Golden Gate, RMAN, RAC, DataGuard, MS SQL Server, and PostgreSQL.- Managed Service Database Management and Administration, Database Implementation, Database Migration, Application and Database Performance Tuning. - Provide Infrastructure Services for Oracle ZFS and Oracle Exadata. - Provide Implementation and Management Services for Oracle WebLogic. - Provide MySQL administration and implementation services to clients including HA Solutions such as InnoDB Cluster/Group Replication.- Pre-Sales solutions and service recommendations to potential clients, determine client needs, and communicate the level of effort required to meet client requirements.- Provide database management Services in the AWS and Oracle Clouds.- Utilize high-level skill in solving customer issues from installation and migration, database design, installation and upgrades, performance tuning, high availability, disaster recovery solutions, and automation of processes for the cloud as well as local and remote data centers.- Execute Database Health Checks looking for issues in setup, performance, configuration, etc., and make recommendations to customers for improving their database environments.- Act as a liaison between customers and database vendors to resolve issues.- Provide Service Level Implementations using ITIL framework guidance to improve IT services and service levels for clients.- Serve as a mentor to customer Database Administrators, Database Analysts, and Database Development staff.

Alpharetta, Ga, Us

- Organization Formally Rolta-TUSC.- Manage a group of Senior Solutions Architects- A Subject Matter expert Consultant providing Oracle Database Technical Services and Product expertise including for Oracle OEM, Golden Gate, RMAN, RAC, DataGuard, Database and Application Performance Tuning as well as infrastructure services including Exadata, Storage, Servers and Virtualization. - Provide Project Leadership and Project Management to Rolta customers around the world.- Provide Implementation and Management Services for Oracle WebLogic 11g including Fusion Middleware Components for clients. - Provide MySQL database administration services to clients.- Provide PostgreSQL database administration services to clients.- Database Migrations Oracle, MySQL, PostgreSQL, MS SQL Server- Provide Pre-Sales solutions and service recommendations to potential clients, determine client needs and communicate level of effort required to meet client requirements.- Utilize high level skill in solving customer issues from installation and migration as well as database design, installation and upgrades, performance tuning and high availability.- Make recommendations to customers for improving their Oracle database environment.- Execute Database Health Checks looking for issues is setup, performance, configuration, etc.- Act as a liaison between Oracle and customers in resolving Oracle issues.- Provide Service Level Implementations using ITIL framework guidance to improve IT services and service levels for clients.- Serve as a mentor to customer in house DBA Staff.

Alpharetta, Ga, Us

- Formally TUSC- Manage a group of Senior Consultants- A Subject Matter expert Consultant providing Oracle Database Technical Services and Product expertise including RMAN, RAC, DataGuard, Performance and Tuning as well as infrastructure including Exadata, Storage, Servers and Virtualization. - Provide Project Leadership and Project Management to TUSC customers across the United States.- Provide Implementation and Management Services for Oracle WebLogic 11g including Fusion Middleware Components for clients. - Provide MySQL database administration Services to clients.- Provide Pre-Sales solutions and service recommendations to potential clients, determine client needs and communicate level of effort required to meet client requirements for east region.- Utilize high level skill in solving customer issues from database design, installation and upgrades to performance tuning and high availability.- Database Migrations- Make recommendations to customers for improving their Oracle database environment.- Implement Oracle Technologies including OEM Grid Control, Database, Data Guard, Application Server and Oracle Internet Directory. - Execute Database Health Checks looking for issues is setup, performance, configuration, etc.- Act as a liaison between Oracle and customers in resolving Oracle issues.- Provide Service Level Implementations using ITIL framework guidance to improve IT services and service levels for clients.- Serve as a mentor to customer’s in house DBA Staff.

Alpharetta, Ga, Us

- Act as a Senior Consultant providing Oracle Database Technical Services, Oracle Database and Product expertise, Project Leadership and Project Management to TUSC customers across the United States. - Utilize high level skill in solving customer issues from database design, installation and upgrades to performance tuning and high availability.- Make recommendations to customers for improving their Oracle database environment.- Implement Oracle Technologies including OEM Grid Control, Database, Data Guard, Application Server and Oracle Internet Directory. - Execute Database Health Checks looking for issues is setup, performance, configuration, etc.- Act as a liaison between Oracle and customers in resolving Oracle issues.- Serve as a mentor to customer’s in house DBA Staff.

Bloomington, Indiana, Us

- installation, upgrade, administration, tuning and back up/recovery for 80+ Oracle databases in a distributed environment supporting I.U. Business and Research initiatives. - Provide technical leadership and project management and some personnel management for the DBA Team. - Lead initiatives to develop, maintain and update standards for the installation, setup and back up & recovery procedures.- Lead initiatives to tune processes, SQL and databases to maximize performance and processes. - Lead initiatives for capacity planning and capacity requirements for several environments supporting databases.- Lead initiatives that improve the reliability, availability, and lower mean time to recovery. - Led set-up and implementation of Oracle Enterprise Manger Grid Control to improve database monitoring/management.

Jasper, Indiana, Us

Managed projects in database and system performance tuning, database and system development, database and system maintenance, database and system interfaces, database and system upgrades/updates for Enterprise Resource Planning (ERP) systems, Manufacturing Execution Systems (MES), custom shop floor systems, quality control and other systems running with Oracle databases. Utilized Oracle Developer (Forms, Reports), C, Visual Basic and SQR in development of applications and application interfaces.

Bloomington, In, Us

Responsible for installation, administration, tuning, back up and recovery, and maintenance of multiple Oracle 7 databases and HP Unix workstations and servers running HP-UX. Developed and maintained back up and recovery procedures for databases and servers. Utilized system development life cycle and relational database design in the development of client server applications using Developer 2000 (Forms, Reports, Graphics, Procedure Builder), PL/SQL (Local and Stored Packages, Procedures, Function and Triggers), and Visual Basic 4. Converted Genasys Geographical Information System (GIS) data from flat files to an Oracle 7.3 database, as well as integrated Oracle Forms with the GIS system to display data for map features. Also created and maintained user and system documentation, and provided programmer and end user training.

- Utilized Relational Database Design and system development methods to develop and maintain database systems. - Tools/Development Languages used: COBOL, Informix 4GL, SQL (Informix, SYBASE, Oracle), Foxpro and Clipper.- Served as part of a team of 3 programmers who converted the IDA Financial Management system from Dbase III+/Clipper to Informix 4GL/SQL - Worked on the conversion of COBOL programs from using VSAM to Informix and Sybase relational database management systems with embedded SQL.

B.S. Organizational Managment, Human Resource/Organizational Management

Aas Computer Information Systems, Information Technology