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Location

Italy

Rate

$15  / per hour

Years of experience

24+

About

As an experienced professional in the IT field, I have cultivated a diverse skill set over the past two decades. My education began with an Associate Degree in Informatics Engineering from Istituto Tecnico Industriale “E. Majorana” in Somma Vesuviana, where I graduated with excellence. I further specialized in digital marketing at Marconi International University in Miami. Throughout my career, I have developed a strong proficiency in multiple programming languages, frameworks, formal languages, and operating systems, as well as extensive experience with databases, ETL tools, and various collaboration tools. My technical acumen is complemented by my language skills in Italian, English, French, and Polish. In my professional journey, I have held various roles that include Linux SysAdmin and MySQL DBA at VacancySoft, Oracle BI Data Modeler at Warsaw Mathematical Institute, and Senior System Administrator at Roche Polska. At these positions, I was responsible for tasks such as creating virtualization environments, database schema design and maintenance, setting up clusters and alarms, and performance optimization. I also served as a Database Architect at Accenture, where I designed large Oracle DWH systems and optimized database performance. As a Technical Project Manager at Accenture, I coordinated teams to develop document management systems and led incident problem management for critical projects. My responsibilities consistently included team leadership, system monitoring, technical analysis, and ensuring high service levels, all while working in Agile environments.

Tech Stack

MySQL, Apache, Bash, C, Java, JavaScript, JQuery, Oracle, PL/SQL, PostgreSQL, SQL Server

Experience

  • At VacancySoft, I was responsible for creating virtualization environments using ProxMox, setting up test servers, and managing multiple virtual machine boxes.
  • Designed and implemented database schema changes in MySQL, including setting up and optimizing database clusters, tuning performance, and managing database migrations.
  • Acted as the Operation & Support Team Leader at various organizations, coordinating international teams and ensuring 24/7 system monitoring and support.
  • At Roche Polska, I took care of Linux DB servers, MySQL and MariaDB databases, performed database maintenance, and monitored server and database performance.
  • As an Oracle BI Data Modeler, I analyzed new requirements, designed data warehousing solutions, and developed advanced PL/SQL scripts.
  • Managed incident problem operations and delivery management at Accenture, ensuring priority metrics and delivery times were met, reorganizing support teams, and improving client relationships.
  • Coordinated the development of document management systems, managed project delivery planning, and conducted feasibility and performance analysis for "Regione Autonoma della Sardegna" while at Accenture.

Employment history

Linux SysAdmin / MySQL DBA, VacancySoft January 2020 – February 2021
  • Create virtualization environments using ProxMox.
  • Setup Test Server in Office (Full Stack, several VM boxes).
  • Design and implement database schema changes in MySql 5.7.
  • Maintain servers in the cloud (OVH).
  • Actively coordinate Operation/Support Team.
  • Perform database tuning and performance optimization.
  • Migrate databases from MySql 8 to MariaDB.
  • Setup MariaDB Database cluster, 1 master + 2 slaves.
  • Setup alarms and monitoring scripts, and configure notifications via email.
Oracle BI Data Modeler, Warsaw Mathematical Institute, Seargin June 2019 – December 2019
  • Analyze new requirements and design DWH solutions.
  • Design new schema sections and review existing schema.
  • Develop advanced PL/SQL scripts.
  • Integrate new schema sections with existing systems.
  • Collaborate with the Agile Oracle PL/SQL Developer Team.
  • Optimize database performance and data models.
Linux SysAdmin / MySQL DBA, Roche Polska Sp. Z o.o., IT Kontrakt December 2018 – June 2019
  • Manage Linux DB servers and MySql databases.
  • Perform database maintenance and monitoring.
  • Document installation and operational procedures.
  • Setup virtual machines using VMWare as Ubuntu servers on HP machine.
  • Setup MySql Database cluster, 1 master + 2 slaves, and configure accounts and databases.
  • Optimize MySql DB performance and conduct tuning.
  • Setup monitoring and alarm scripts for database and server health.
Linux Senior System Administrator, Roche Polska Sp. Z o.o., IT Kontrakt February 2016 – December 2018
  • Provide operations support and manage delivery.
  • Configure and manage disaster recovery procedures.
  • Setup development environments including beta, testing, integration, UAT, and production servers.
  • Maintain application servers and Oracle RDBMS servers running Red Hat Santiago.
  • Author operational manuals and installation guides.
  • Train other Operation Team members and create knowledge base documentation.
  • Perform system recovery, crash dump analysis, and performance tuning.
Database Architect / Database Modeler, Accenture March 2013 – July 2013
  • Design large Oracle DWH system for Unicredit Italian international bank.
  • Develop advanced PL/SQL scripts and perform database optimization.
  • Analyze and optimize queries, monitor DB performance, and implement best practices.
  • Participate in BI analysis to find the best data mining solutions and identify required technology.
  • Identify possible asset reuse and project risks, and review costs and delivery planning.
  • Perform data migration using transportable database and data pump utilities.
  • Implement backups and recovery using RMAN, and configure Oracle Grid control.
Ticket Operations Manager, Accenture August 2012 – February 2013
  • Coordinate an international team for Wind Telecomunicazioni S.p.a.
  • Monitor CentOS servers running TIBCO 5.4 Architecture.
  • Develop scripts to monitor errors and warnings, and restart architecture components.
  • Monitor Oracle DB, analyze discards and failures, and perform manual remediation.
  • Lead team and ensure 24×7 system monitoring and incident management.
  • Maintain EMS server, BG status, BW configurations, and file system monitoring.
  • Manage database performance and optimization, including daily checks and rollout management.
Incident Problem Manager / Delivery Manager, Accenture March 2012 – August 2012
  • Maintain E-PROC application for CONSIP S.p.a., providing support and solving urgent problems.
  • Manage and deliver trouble tickets, ensuring compliance with QPI and SLA metrics.
  • Reorganize 1st and 2nd Line of Support, improve dialogue between client and local team.
  • Introduce daily reports and plan tasks based on ranking and priority.
  • Use a shared mailbox for global vision and improve customer trust through better scheduling and software management.
Technical Project Manager, Accenture October 2011 – March 2012
  • Coordinate a team for the design and development of a new document management system for Regione Autonoma della Sardegna.
  • Plan activities, manage the team, and establish schedules and milestones.
  • Perform code and quality review, analyze development impacts, and conduct performance testing.
  • Act as Oracle DBA and plan test environments for performance testing using Jmeter and LoadRunner.
Incident Problem Manager / Delivery Manager, Accenture Technology Solutions May 2007 – October 2011
  • Support customer Operation Team and fix fatal defects in the production environment.
  • Maintain CRM Oracle database, perform daily backups, and ensure data integrity and system resources.
  • Manage delivery of fix releases and main releases, including CRs estimation and full lifecycle management.
  • Discriminate bug types and provide substantial analysis for other teams.
  • Validate UAT before installing software in production and collaborate with IBM Global Delivery Team for issue resolution.
Technical System Analyst / Database Modeler, Accenture Technology Solutions June 2003 – March 2006
  • Draw up detailed technical analysis for user interfaces and batch components.
  • Design and develop a new Trouble Ticketing Management System integrated with CCM.
  • Customize Clarify forms under ClearSupport modules and lead developer team side by side.
  • Obtain certification as “Clarify Classic Developer” and attend courses in ClarifyCRM 12.5.
Clarify Developer / JavaSE Developer / SQL Developer, Accenture Technology Solutions April 2001 – June 2003
  • Develop GUI interfaces and batches for Vodafone Italy’s CRM project
  • Create RuleManager’s rules and customize Delano integration
  • Load data into databases and test Java batches and web interfaces
Visual Basic Programmer + PL/SQL Developer on Oracle DB, ITNext S.p.a. June 2000 – April 2001
  • Develop ActiveX Server, OCX, and DLL interface in Visual Basic.
  • Write PL/SQL scripts for database maintenance, create indexes, and perform DB maintenance.
  • Test VB Forms and perform database maintenance tasks.

Education history

MIU – Marconi International University 2018 - 2019 High Specialization in “Digital Marketing”
Campania Region government authority 1999 Title of "Multimedia Programmer"
Istituto Tecnico Industriale “E. Majorana” 1995 - 2000 Associate Degree “Informatics Engineering”
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Tom Potanski

Tom Potanski Founding Partner
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