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Valentin Stefan

Valentin Stefan

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Senior System Engineer @ ACI Worldwide Senior System Engineer at ACI Worldwide
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Education

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Academia de Studii Economice din București

Master of Science - MS, Computer Science, Economics, Statistics -
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New Horizons

WebSphere Application Server, 2006-01-01 - 2006-01-01
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Prometric

Oracle Certified Professional - Oracle 9i DBA, 2003-01-01 - 2003-01-01
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Sheridan College

Oracle DBA Courses, DBA 2003-01-01 - 2003-01-01
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Microsoft Education and Certification

Certificate, Programming in Microsoft Visual C++ 1995-01-01 - 1995-01-01
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Technical Education Centre Nortel Networks

Course: Northern Telecom’s Meridian 1 Meridian 1 Familiarisation I and II, 1994-01-01 - 1994-01-01

Work Experience

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ACI Worldwide

Current

ACI Worldwide

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AT&T

2014-09-01 - 2019-12-01

AT&T

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Voya Financial

2010-03-01 - 2014-08-01

Voya Financial

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Liquid Analytics

2009-03-01 - 2009-10-01

Liquid Analytics

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Convergys

2004-11-01 - 2009-03-01

Convergys

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Tidewater Software, Inc

2003-09-01 - 2004-10-01

Tidewater Software, Inc

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BMO

2002-07-01 - 2003-08-01

BMO

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1X, Inc

2001-07-01 - 2002-06-01

1X, Inc

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724 Solutions Software Inc.

1998-12-01 - 2001-06-01

724 Solutions Software Inc.

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Switchview Inc

1994-04-01 - 1996-02-01

Switchview Inc

Skills

Requirements Analysis SDLC Software Development SQL Microsoft SQL Server C# Agile Methodologies XML Linux Integration ITIL Enterprise Architecture Data Warehousing ASP.NET Visual Studio Oracle C++ Databases Java Unix

Summary

I’m an experienced senior IT professional with a proven record of driving complex system integrations to align with organizational objectives. I have extensive expertise in consensus building while collaborating at all levels of an organization. I also have a proven record of applying technology to meet changing business to effect positive and transformational change and I’m a proud U.S citizen. I welcome all invitations to connect and I can be reached at valentin.stefan@completevirtual.net. Technical proficiencies: Operating Systems: RedHat Linux, SUSELinux, Ubuntu, Windows Server all versions, Mac OS X Scripting Languages: Bash, Python Configuration Management Tools: Ansible, Puppet Server Templating Tools: Vagrant, Docker Orchestration Tools: Amazon ECS, Docker Swarm Provisioning Tools: Terraform, CloudFormation Databases: Implementing Oracle RAC clusters on RHEL, deploying Oracle databases and J2EE application servers, Microsoft SQL Server, Oracle Networking: TCP/IP, IP Routing, RedHat Satellite Server, Spacewalk, DNS, NIS, ITIL, Firewalls, AWS IAM, VPC, EC2, S3 using both GUI and CLI Version Control Systems: Git, Subversion

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