Stuart A. Jaskowiak

962 Anderson Hills Dr

Cincinnati, OH 45230

Home: (513) 233-0111

email: stuart.jaskowiak@gmail.com

SUMMARY

• 20+ years of system administrator experience in multi-platform Unix and Linux environments.

• Deep expertise in the OS and application stack including architecture, installation and supporting large scale migrations with minimal downtime.

• Strong communication abilities, with history of mentoring junior systems administrators as well as managing the expectations of non-technical clients.

• Excellent technical skills, with strong knowledge of current and emerging technologies.

• Excellent communication skills honed during my time as an adjunct instructor at NKU.

WORK EXPERIENCE

Dec 06 – Present Unix Administrator, Citigroup, Blue Ash, OH 45242

• Serving as part of a Systems Administration for Citibank Online (CBOL), Account Online (AO), CitiMobile with 1100+ systems running AIX, Solaris and Linux.

• Lead administrator for a project to migrate AO from Solaris to Linux and AIX as part of a cost savings measure for the corporation.

• Part of a project to migrate CBOL application servers from AIX to Linux as cost savings.

• Served as a subject matter expert (SME) to develop procedures to apply patches to CBOL and AO AIX servers.

• SME on development of procedures to apply firmware upgrades to the CBOL AIX servers via an IBM Hardware Management Console (HMC).

• SME for development of procedures to allow upgrades to the HMC OS.

• Development of documentation to allow junior Unix engineers a greater understanding of Citi's infrastructure and processes.

• Lead administrator on a project to migrate 100 Solaris servers, 50 IBM servers and 15 Windows servers from Long Island City, NY to Blue Ash, OH with a minimum of downtime and impact to testing for CBOL.

• Installation of CBOL software on a multi-tier infrastructure consisting of Websphere, Oracle and iPlanet on AIX servers.

• Installation of CBOL software on a multi-tier infrastructure consisting of Weblogic, Informix, Broadvision and iPlanet on Solaris servers.

Jan 09 – Jul 2014 Adjunct Instructor, Northern Kentucky University, Highland Heights, KY 41099

• Taught CIT (Computer Information Technology) classes to students ranging from Freshmen to post-baccalaureate candidates.

• Courses were Linux/Unix based and ranged from an Introduction to Unix class to an advanced class in Systems Administration.

• Course material covered include basic command line operations, regular expressions, shell scripting, operating system installation and maintenance.

• Received 3 “positive impact on a senior” letters of commendation during my tenure

Feb 05 – Dec 06 Unix Systems Engineer, Siemens Business Services, Mason, OH 45040

• Provided Unix support for all Siemens Business Services (SBS) clients, including SBS's largest client – Washington Mutual Bank (WaMu) with 1000+ Unix systems running Solaris, AIX, HP-UX, Linux and FreeBSD.

• Developed shell scripts that allowed SBS engineers to install system upgrades on WaMu's 1000+ Unix servers.

• Developed a PHP/MySQL based website that allows SBS engineers to monitor WaMu's Veritas Netbackup infrastructure of 36 Masters, 1200+ Policies and 3700+ clients from three remote SBS sites.

• Developed PERL applications that are being used for reporting on WaMu's Veritas Netbackup infrastructure.

• Modification and new development of PL/SQL reports for WaMu's Veritas Netbackup infrastructure.

• Developed a Windows Management Instrumentation (WMI) script that allows SBS engineers to more effectively inventory CPU's, disk space, memory and IP address information on WaMu's 12,000+ Windows-based servers and 50,000+ workstations.

• Developed a PHP/MySQL based website that allowed SBS to transition WaMu's 12,000+ Windows, Unix and OS/2 servers into SBS monitoring and control in 6 weeks instead of the typical 10.

• Served as an SME for SBS in areas of backups, scripting, database design and web site development and all aspects of Unix operating systems for junior Unix engineers.

• Developed a ASP.NET/C# application used by SBS to schedule patching efforts on their client's Windows, Linux and Unix servers.

Nov 04 – Feb 05 Unix Systems Engineer, TekSystems, Cincinnati, OH 45236

Served as a contract administrator for Siemens Business Services in Mason, OH on a 90-day contract prior to coming on as a permanent employee.

Oct 01 – Nov 04 Unix Systems Engineer, Cincinnati Bell Telephone, Cincinnati, OH 45202

• Lead administrator for conversion of Radius servers from a Linux and homegrown database solution to a system running FreeBSD and MySQL.

• Lead administrator for Zoomtown.com's billing system running IAF from Solect with Oracle databases, iPlanet web servers and Sun hardware.

• Project manager of CincinnatiExchange.com's conversion from Vignette StoryServer to PHP.

• Project manager for creation of additional services on the Managed Business Hosting servers to include: implementation of PHP on IIS, implementation of MySQL on FreeBSD and Windows 2000.

• Project manager for the upgrade of home.fuse.net from RedHat 6.0 to FreeBSD 4.8.

• Served as Webmaster for web hosted business clients for all of Zoomtown and Fuse running on a combination of IIS on Windows 2000 and 2003 and Apache on FreeBSD and RedHat web servers.

• Served as Webmaster for Fuse Internet's home page customers.

• Worked on conversion Fuse RADIUS from custom application using Berkeley DB to an open-source solution using LDAP.

• Developed PHP-based inventory program for use by all of Zoomtown's business units.

• Developed VB script applications used in automating creation and deletion of business hosting customers on Windows NT and Windows 2000 servers.

• Developed PHP/MySQL based web applications for internal use of the Zoomtown's Systems Engineering team.

• Lead Administrator for server used in the upgrade of all Zoomtown customer's Cisco DSL routers from CBOS 2.3.5 to CBOS 2.4.6.

• Development of shell, perl, expect and awk scripts used in monitoring of the CincinnatiExchange.com (CX) web site's infrastructure.

• Performance tuning of both the Apache web servers and Vignette Story Server software used in CX.

• Lead Administrator for all of CincinnatiExchange's hosted web sites on servers running Apache on Linux.

Jul 00 – Oct 01 Unix Systems Administrator, Ajilon, Cincinnati, OH 45236

• Served as a middleware administrator at the Kroger corporation on the Market Expert/Target Export (MX/TX) system which ran on AIX.

• Served as a system administrator for the Cincinnati Bell Yellow Pages on a system that ran Vignette StoryServer on Solaris and Apache on FreeBSD

EDUCATION/CERTIFICATIONS

Master's in Computer Science from NKU, December 2009, GPA of 3.6 on a 4.0 scale.

Master's Level Certificate in Secure Software Engineering, NKU, December 2009. The emphasis was on securing web-based applications from attacks such as SQL Injection, XSS and click-jacking.

RedHat Certified Technician: RedHat Enterprise 4, certificate number 604006428799310.

B.S. in Computer Science, Northern Kentucky University, May 1987. Received a three and one-half year Army ROTC scholarship.

SKILLS

OS: Solaris 2.3 through 2.10; HP-UX 9.04, 10.x and 11.x; Sun OS 4.1.3 and 4.1.4; AIX 3.2.5 through 7.1; Linux 2.0.x, 2.2.x, 2.4.x and 2.6.x; FreeBSD 4.4 through 6.0; Tandem Non-Stop UX; Windows 3.x through Windows 7; DOS.

Languages: C, C++, C#, ASP.NET, Java, Perl, PHP, VB script, Windows WMI script, MSH, Korn Shell, Bourne Shell, C-Shell, Tcl/Tk, Expect, Awk, HTML, Informix ESQL/C, Visual Basic, Informix SQL, Oracle SQL*Plus, Documentum, CA-Clipper.

Databases: SQL Server 2000, SQL Server 2005, Oracle 7.x – 11.x, Informix.

Hardware: IBM RS/6000, IBM PowerPC, HP E, K and V class, Sun Ultra-Enterprise 2 through Ultra-Enterprise 6500, PC’s.