# Linux & UNIX Administration, Coaching & Consulting
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Unix Administration (General)
National Technical University of Ukraine "KPI"
Bachelor of Computer Science
IT Consultant, Interpreter
2004 - Present
Freelance-Consulting in UNIX deployment & operation
Wireless LAN planning & setup
SEO & SEM Consulting
Designed & implemented Web presence enhancement campaigns for a number of entities
Russian-English Consecutive Interpretation
Hosting Service Provider "Haldex"
2005 - 2005
Project: "Advanced VPN"
The essence of the project was building SaaS platform for VPN-based service set.
Developed Web Proxy part within the "Advanced VPN" project
Designed custom by-client filtering proxy configuration system with large capacity in mind
Programmed web-content filters
Day-to-day responsibilities in a group of 7 UNIX Administrators:
Overseeing network of almost 200 production UNIX servers in 2 datacenters
Making for 100+ TB of total monthly bandwidth
Managing 1000's of domain names and IP addresses
UNIX System Administrator
2001 - 2003
Designed & implemented company-wide OS unification project
Designed network-wide scheduled system backup process with minimized human intervention
Automated domain registration procedures reducing processing time & manual operation errors
Built secure interfaces for basic administrative tasks and delegated routine work to duty-engineers freeing up admin's time
Implemented network monitoring system with pioneer reporting to mobile devices.
Reduced incidents response time to seconds
Managed network security
Managed services: Network News, DNS, Proxies, FTP, RADIUS, ISP User Account Management software
Administered Web servers (Apache, MySQL, user accounts)
Developed jail-like environment for resource-hog virtual hosts in an effort to handle rapid gain in virtual web sites
Provided training for duty-engineers (UNIX, shell, Perl, vi, etc.)
Additional support for E-Mail, Network traffic accounting and shaping;
Set up elaborated traffic shaping system, limiting bandwidth according to network route costs
Information Technology Center "Alternativa"
System Administrator & Programmer
2000 - 2001
Provided outsourcing UNIX administration for ISP "Intercom" & IMMS
Developed Web Store with full shopping process ("Shopping Cart") and store management support
Developed prototype for SSL Certification Authority
Developed efficient WWW ad-blocking system as an HTTP proxy
International Information Technology Center INT
System Administrator & Programmer
1997 - 1999
Administered network of UNIX-based servers
OS: AIX, Slackware Linux, Red Hat Linux,
Applications: Oracle RDBMS, web servers, LDAP server
Installed & managed Netscape, Oracle & other server software
Implemented & managed SSL Certificate Authority used in “SIC” (System for Internet Commerce) project
“SIC” maintenance: Web servers administration, clients support
Researched Internet security issues
Cybernetics Institute, Kiev, Ukraine
1995 - 1997
Programmed modules for Oracle RDBMS applications (Oracle Developer/2000 in Solaris and HP-UX environments)
Ported Oracle Developer applications between MS Windows & UNIX platforms
Had a hand in installing and tuning of Oracle products
Learned system administration of Sun server (SparcServer1000) and workstations (SparcClassic, SparcStation4, Ultra1)
Installed & upgraded OS: Solaris 2.4/2.5; Integrated PC's into UNIX network