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With Andrii Grytsenko


Technical Diary - With Andrii Grytsenko

About me

Andrii Grytsenko

andrii grytsenko
Summary
-Having 4 years of working experience
-Linux, Perl Programming, Shell Programming, Apache, Solaris, Cisco, OpenBSD
-I am proactive, highly motivated and work well under pressure.

Technical Skills

Programming Languages: Perl, Shell Scripting, Sed & Awk
RDBMS: Oracle, Mysql , PostgreSQL
Web: XML
Operating System: Linux, Solaris, OpenBSD, OpenSolaris
Other SW: Apache, nginx, tomcat

Foreign languages skills:

Language Written Spoken
English Good Good
Russian Fluent Fluent
Ukrainian Fluent Fluent

Summary of Work Experience

Name of Employer : Orga-Systems GmbH
Dates of Employment : October.2007 untill now
Job Title : Support Engineer

Project Description
Project Name : Astelit
Project description:
Make migration from old billing system (NGS) to OPSC Gold Convergent billing system, maintaining, support, patch planning, implementation of monitoring system, troubleshooting for Astelit (Ukrainian mobile operator). All servers for this project works under Solaris. The big part of software written on Java and had client-server architecture. Also this project uses Oracle for storing invoicing information.

Role : Support engineer
Responsibilities and Key Accomplishments :
Maintaining of billing’s software.
Problem handling (otrs system, direct customer communication).
Designed and developing of the monitoring system.
Patch tracking.
Troubleshooting

Technologies
Solaris, Linux(Fedora Core), Perl, Shell Scripting, Oracle, tomcat, apache, xml

Project Description
Project Name : TIM Brazil
Project description:
Provide new convergent solution for Brazil mobile operator. Planing, integration and implementation it in existing infrastructure. Writing perl’s modules which make analysis for unprocessed ticked and try to re-process it again. On-site support.

Role : System integration engineer
Responsibilities and Key Accomplishments :
Writing new modules for tickets post processing
Technologies
HP-UX, Perl, Shell Scripting, Oracle, apache, xml

Name of Employer : Art-master
Dates of Employment : January.2007 – October.2007 (fulltime)
Dates of Employment : November.2007 – March.2009 (part-time)
Job Title : Senior System Administrator

Project Description
Project Name :
Certification authority “Masterkey.com.ua”
Project description:
Designing and implementing computers system for Ukrainian’s certification authority according to Ukrainian and international (ISO 27001) security standards. Installation, maintaining and support of system. Designing and developing(perl) backup and monitoring system. Implementing some types of load balancing for Web server. Support of Mysql databases regular backup and replication. Support developers in system administration related issues. Provide high available and reliable for system. Installation of remote access point (openvpn) to the system through encoding tunnels.

Role : Senior System Administrator
Responsibilities and Key Accomplishments :
Maintaining of:
Mail system
WEB system
Database support and replication
Proxy server
Central logging system
Communication staff

Designed and developed:
backup system
monitoring system
Remote access point
Providing support for developers

Technologies :
Linux (Debian, Slackware, Gentoo), OpenSolaris, OpenBSD, Cisco Catalyst, Cisco PIX, Exim, pop3d, mysql, apache, nginx, perl, Shell scripting, OpenVPN, squid, nagios, RDDTools, snmpd, ldap.

Name of Employer : Kompan-Ukraine
Dates of Employment : August.2006 – January.2007
Job Title : System Administrator

Project Description
Project Name :
The main one
Project description:
The main purpose of this project was implement new and update existing ones database for Ukranian National road police. Migration data from old SybaseESE to new one database on Oracle 9i. Software developing. Software which could be operate migrated data.

Role : System Administrator
Responsibilities and Key Accomplishments :
Maintaining of :
Web server
Mail system
Proxy
Fileservers
Database support.

Technologies :

Linux(Gentoo), apache, mysql, tomcat, sendmail, pop3d, PostgreSQL, spamassasin, clamav, Mysql, Oracle, vsftpd, samba, squid.

Certifications

Linux Professional Institute (LPIC1)
Linux Professional Institute (LPIC2)

Training Programs Attended

Dates : March 2009
Program Name : ITIL v.3 Foundation.
Training Program Provider : Softline
Your Grade : Completed
Program short description : “It’s training introduce into ITIL conception.”

Dates : September 2008
Program Name : Oracle 10gSQL
Training Program Provider : Softline
Your Grade : Completed
Program short description : “It’s training on how make and optimize sql queries in Oracle 10g.”

Dates : June 2007
Program Name : Security in Unix Systems
Training Program Provider : Information-diagnostic systems institute
Your Grade : Completed
Program short description : “It’s training on how to build security environment based on Unix system.”

Academic Record

Dates of studying : from September 2004 – to June 2006
Name of institution : National Aviation University, Institute of computer technologies

lpic1lpic2

You can download this text in pdf and doc format.

My CV(Resume) doc/pdf.

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