Curriculum Vitae :: Senior Linux/UNIX System Engineer (Bsc. Computer Engineering)
Certification
- Sun Certified System Administrator
- Sun Certified Network Administrator
- Microsoft Certified Professional
- Microsoft Certified System Administrator
- Microsoft Certified System Engineer
- Microsoft Certified Database Administrator
Skills
Operating Systems and Databases
- Operating Systems:Linux, Solaris, Tru64, Windows, MSDOS
- Databases:postgreSQL, mySQL, Microsoft SQL Server (not after 2005), Oracle, sqlite
- Networking:Extensive knowledge on TCP/IP and ethernet based protocols. eg: HTTP, SIP, FTP, SMTP, IPsec, IMAP, POP3, RADIUS, ARP/RARP, DHCP, BOOTP
Services
- VOIP Systems:Alcatel-Lucent 5020 Carrier Grade Softswitches, ACME Packet Session Border Controller (Beginner)
- Web Servers:Apache, IIS, Iplanet Enterprise Server 4.X
- Windows:Domain/Forest management, GPOs, Active Directory
- Mail Servers:Postfix, sendmail, exim, qmail, Mailsite, Iplanet Messaging Server 4.X, SPF
- Mail Scanners:Spamassassin, Mailscanner
- File Services:NFS, Samba (CIFS/SMB), proftpd, DFS, AutoFS
- Print Servers:CUPS, lprNG
- Proxy Servers:Squid, Microsoft ISA Server 2000/2004
- Firewall - VPN:iptables, Checkpoint NG (not after 2004), openvpn, ipsec, ipf (basic)
- LDAP Servers:openLDAP, Iplanet Directory Server
- Name Services:NIS
- DNS Servers:BIND 4.X/8.X/9.X, powerdns
- Monitoring:Nagios, MRTG, cacti, RRDTool
- Versioning:RCS, CVS, Subversion, Git
- IDS:Nessus, Snort, nmap
- Virtualization:linux-vserver, VMWare server, Xen (basic), openvz
- RAID and volume systems:Solaris Disksuite, Linux Logical Volume Manager (LVM), Microsoft Dynamic Disks, Sun Storedge, Veritas volume manager
- Network Devices:Planet L2,L3 managed switches, Cisco switch and routers (Basic)
- Others:Sun Cluster, TruCluster, Linux Virtual Server (LVS), multipathing, PAM, GFS, heartbeat, kannel (high performance sms/wap gateway), protocol tracing, extensive knowledge on open source software, kernel internals,

Programming Environments
- Programming Languages:Java, PHP, C, Phyton, Delphi, Perl, Pascal. Also familiar with C++, Ruby, x86 Assembly, Visual Basic
- Programming Tools:GCC, Sun Compiler Collection, Visual Studio (6.0/97), Borland JBuilder, Eclipse, Vim, Emacs, gdb
Work Experience
Alcatel-Lucent - NGN International L3 Support EngineerJan, 2007 - now
Alcatel-Lucent is the leading multinational technology company developing communication systems for carriers
I am working in the level 3 support group, which is the highest level. This group provides worldwide support of Alcatel-Lucent carrier grade NGN products (VOIP softswitch family) and all the underlying platforms on 7/24 basis. Support activity also includes end to end protocol tracing (SIP, HTTP, SOAP, MEGACO, RTP, RADIUS), improving platform stability by introducing new procedures, submitting and tracking bug reports. Some of the customers among 220 production clusters are British Telecom, Wind (Italy), Telenor, Telstra, Telmex, Copaco, France Telecom, Orange, Vodafone, ATT, Turk Telekom. (ACME Packet SBC, Solaris, Tru64, Linux, mysql, Sun Cluster, Oracle with RAC)
Parkyeri A.S - Support Group SupervisorApr, 2006 - Jan, 2007
Management and performance evaluation of support group, production planning, support and coding for products developed and used, installation management and performance tuning of over 130 Linux/Solaris servers spread over 2 offices, 3 ISP, 2 GSM operators (Turkcell, Life), and Genpa. Basically almost same types of services before the military duty but with higher number and management responsibility.
Note: Parkyeri has been selected as the fastest growing internet company for the last 5 years in Turkey.
Kuleli Military High School - IS OfficerJul,2005 - Apr,2006
Kuleli is the oldest and most respected military high school in Turkey.
Tasks of my compulsory military service includes management of over 500 desktop pc, 12 Windows 2000/2003 Servers with 4 domains, 160 printers, coding of an online education portal and commanding of a squad
Parkyeri A.S - System AdministratorJan, 2004 - Apr,2005
Parkyeri is the Gold Partner of Turkcell and develops solutions only using free software.
Main tasks are, support and coding for products developed and used, installation management and performance tuning of over 100 Linux/Solaris servers spread over 2 offices, 3 ISP, 2 GSM operators (Turkcell (Over 30 million subscribers), Life-Ukraine), and Genpa(Mobile phone seller giant in Turkey). Implementing a monitoring and alert system watching 280 nodes. Services include highly utilized sms servers (millions of sms per day), ecommerce services, mail servers supporting user customizable server side spam filters, web,dns, development and application servers. Management of Linux based diskless client network (25 clients and 4 terminal servers), multimaster corporate file system replication (unison).
Executrain Education Services - Freelance InstructorSept, 2003
Instructing Windows 2000 Server and Active Directory course for a media group's system administrators.
BNET (Now Borusan Telekom) - System AdministratorMar, 2003 - Aug, 2003
Support for ISP services (apache, IIS, bind, sendmail, Mailsite), management installation and performance tuning of both ISP and customer servers,databases (mySQL, MSSQL, Oracle), and firewall management (iptables, Checkpoint).
Freelance - System AdministratorNov, 2001 - Mar, 2003
Installation and troubleshooting of various services, mainly LAMP and e-mail.
Koc.net - Unix System AdministratorSep, 2000 - Oct, 2001
Support for ISP services (apache,qmail,bind,irc), installation, management, performance tuning for over 70 Solaris/Linux servers with databases (Oracle, mySQL) at one of the most respected ISP's in Turkey.
IDG - Freelance Writer2001
Freelance tech writer for several issues of PCWorld and ComputerWorld magazines.
Marmara U. Dept. of Computer Engineering Student/Research AssistantNov, 1996 - Jun 2000
Instructing many CSE courses, management of faculty network, ~10 servers (Solaris 2.4/2.5.1, Linux (1.3), Windows NT4/2000 domain, faculty mail (sendmail/iPlanet) and web servers (apache/iPlanet)) and computer labs consisting ~150 pc.
Courses Given
Introduction to TCP/IPAlcatel-Lucent - Sept, 2007
Introduction to LinuxAlcatel-Lucent - May, 2007
Microsoft Windows 2000 Server and Active DirectoryExecutrain Education Svc. - Sept, 2003
Introduction to Solaris Operating EnvironmentKoc.net - May, 2001
Marmara U. Dept. of Computer EngineeringJuly,1997 - June, 2000
Algorithms (Pascal)C Programming Language (C)
Computer Networks (Java)
Computer Organization I (x86 Assembly)
Data Communications (Java)
Information Systems Analysis : Design (Java)
Open Systems Networking (Java)
Operating Systems I : II (C - C++)
Principles of Programming Languages (Java)
Visual Basic Certificate Course (2 Terms)
Courses Taken
- Total Quality Management - Marmara U. Faculty of Engineering 1999
- SA-400 Solaris Performance Tuning - KocSistem 2000
- Korn Shell Programming - KocBryce 2001
Education
- B.Sc. Computer Engineering - Marmara University June, 1999
Thesis: Distributed Collaborated Project Management Tool with JAVA-RMI
Organizations
- Free Software Foundation
Seminars
- Licenses, Patents, Free Software and Commerce Marmara U. Computer Engineering, Nov. 2006
- Licenses, Patents, Free Software and Commerce Bilgi U. Computer Science, Dec. 2006
- Licenses, Patents, Free Software and Commerce Bogazici U. Computer Engineering, Dec. 2006
Personal
- Date of Birth:November 22, 1977 Istanbul/Turkey
- Marital Status:Married
- Driving License:B
- Valid Work Permit:Belgian
Last update: 2008-11-29
Automaticaly generated from LaTeX source
Cv ::
Cv :: 


