Andrii Grytsenko

Summary
-Having 3 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 :
Planing of implementation
Integration new billing system in existing one
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 accordingly 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


