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Membro desde 17 de março de 2006
KRISHNA KUMAR.S No:122, Wheelers Road, CoxTown, Bangalore. , Phone: +919886340448 " A challenging position in a progressive company where I have the opportunity to further explore My technical skills and to contribute to the organization's success. " To grow as a IT network and systems expert in the field of systems implementation and Production support PROFICIENCY SUMMARY: ü 3+ years experience as System Administrator. ü Good working knowledge in Linux based Servers. ü Interested in solving issues more efficiently within the time constraint. EDUCATION : Bachelor of Engineering M S University, Tirunelveli April 1994 April 1998 EXPERIENCE: Carmatec IT Solutions, Pvt. Ltd, Bangalore Senior System Administrator Feb 2004 till date L A Systems, Chennai Oct 2002 Feb 2004 System Administrator Other Experience: Caddgrafx, Chennai. May 2000 Aug 2002 Macro Consultansy Services, Chennai. Feb 1999 May 2000 OPERATING SYSTEM RedHat Linux, Debian, SuSe, CentOS, FreeBSD, MS-DOS, Windows DETAILS OF EXPERIENCE v Working as Linux System Administrator in Carmatec IT solutions Pvt Ltd from Feb 2004 Primary responsibilities include Remote Monitoring, Administration and Trouble shooting of Linux based Hosting servers. Nature of work: " Complete management of 100+ hosting servers (RedHat, Fedora, CentOS, RHEL) running Apache (with PHP), DNS (bind), Exim, MySQL, FTP servers like PureFtpd and ProFptd, List servers (such as Mailman), SSL, SSH, Imap, spamd and spamassasin, e-commerce engines (such as Interchange), FP extensions, perl, Tomcat, webmail interfaces (such as Horde, SquirrelMail and NeoMail) " User and Admin level expertise with control panels such as cPanel/WHM " Setting up and upgrading servers, system software and various application software. " Tweaking and optimizing servers for best performance and uptime. " Resolution of support tickets which are escalated by lower level of technical support. I am a member of the mid-level technical support classification which handles tickets and issues which are irresolvable by the Level 1 Support. " Monitoring of servers and dealing with service failures and resource shortage issues using Nagios. Investigating reasons for failure and proactively protects the servers against such instances. " Investigation of server load issues and envisaging permanent solutions to them. This can include identifying and acting upon heavy users, streamlining the usage according to the nature of accounts or optimizing daemons by tweaking them appropriately. " Auditing servers, checking for server health and security. The audits include common system checks, service checks, log analysis, analysis of resource usage, security checks using various tools and rootkits. " Suggesting various security and performance enhancements such as installation of apache modules mod_evasive, mod_security; Firewall and intrusion analysis systems such as APF and BFD; Email related programs such as mailmon and ClamAV. " Compiling software from source, including the linux Kernel. Adding appropriate patches (like grsec for kernel) " Creating BASH scripts to automate most tasks. Have successfully created and implemented various scripts including security related scripts, backup tools, installers etc. " Setup of centralized nameservers and DNS clustering. " Keep updated with security advisories and new version releases. " Updating system and application software as and when required. " Monitoring servers for cases of abuse, investigation of abuse issues which can include identifying and taking actions against the abusive accounts/users or protecting the server against outside factors responsible for it. v Worked as System Administrator with L A Systems, Chennai Primary responsibilities include maintenance and trouble shooting of Network comprising 60 computers, regular update of patches and security fixes. " Administration of Linux Based servers " Installation and maintenance of Mail Server, FTP server, Web server " Network, System and Software Trouble Shooting. " Updating system and application software as and when required v Other Experience: Worked as Cad Engineer Specializing in Autocad 2000 with Caddgrafx, Chennai and Macro Consultansy Services, Chennai. SKILLS IN LINUX ü Web Servers Apache 1.3.x/2.0.x, Tomcat 4.x ü Mail Servers Exim, Sendmail ü Networking DNS, DHCP, NAT, NFS, NIS, AutoFS ü FTP Servers pure-ftp, proftp, vsftp ü Linux ß à Windows connectivity using Samba. ü RAID configuration, creating LVM and setting up disk quotas ü Security using IP Tables, Firewall (apf), BFD, Tripwire, PAM, TCP Wrappers, rkhunter, chkrootkit. ü Server monitoring tool nagios, sar, SIM, custom scripts. ü Secure Certificate Generation using GPG ü Kernel re-compilation, patching ü Softwares and packages administered Spam Assassins, PHP, MySQL, PHPMyAdmin, various Bulletin Board, Image Magick, Gallery etc. PERSONAL DETAILS Full Name : Krishna Kumar. S Fathers Name : G. Sukumaran Date of Birth : 12 May 1977 Marital Status : Single Passport Details : B2695152 Valid through Nov 2010 Languages Known : English, Tami, Malayalam.
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