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Linux SME 5+ Years

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  • 1. RESUME E-mail: - mithunkumr@gmail.comMITHUN KUMARMobile: 9611165795OBJECTIVEUse my skills and knowledge of fault tolerant solutions for daily monitoring and maintenance of missioncritical production infrastructure. Aspiring for a Bright and a challenging career in the field of ITTechnology, Which would enable me to upgrade myself with emerging trends and technologies.SUMMARY • Work well under pressure either with minimal supervision or in a team • Fantastic ability to learn new material quickly • Involved as an active team member • Linux System Administration skills (RedHat, Cent-OS and Fedora) • Hands on knowledge in Server performance tuning & hardening • Key skills include Linux performance tuning • Exposure on bug tracking tool like Bugzilla • Designs and builds forward thinking solutions that are scalable, durable and easy to maintain. Designs and builds forward thinking solutions that are scalable, durable and easy to maintain • Recognized expert in configuration management and contribute to the open source • Good knowledge on SVN • Installation and support of Apache web servers, RAID, LVM, NFS, SMTP, NAGIOS, FTP, MYSQL Server, DNS, DHCP, SAMBA, SendMail and Windows to Linux interoperability and migration.WORK EXPERIENCE *  Sun Technologies Pvt. Ltd. Designation: - Cloud Operation Engineer (October ‘09/10/12 to Present)JOB RESPONSIBILITIES • Coordinating with Offshore/Onshore people • Working on VMware Virtualization ESX 4.1 • Handling JIRA and First Web ticket • Installing, configuring and managing ESX Server • Supporting for application Server HPOO, New Scale and confluence
  • 2. • Monitored the Server’s resources by vFoglight • Preparing (POA) plan of action’s for migration • Maintaining of Linux VM Machines • Configuring the FTP server to maintaining the shared folders in the Organization • Creating users, group & assigning permission • Creating ACL rule for users • Managing and Recovering a Remote System through DRAC (Dell Remote Access Card) • Troubleshooting & resolving issues through the VMware virtual center and Lab Manager  AdiQuity Technologies Pvt Ltd. (March ‘08 – 08/10/2012) Designation: - Sr. Production EngineerJOB RESPONSIBILITIES • Maintaining the whole IT infrastructure consisting of a farm of Linux servers • Monitoring and troubleshooting production issues using tools like NAGIOS and proprietary guruji software’s • Configure SMS with NAGIOS by Net Setter • Design and maintain the whole infrastructure required by the application • As a key member of the production team, migrated the entire guruji data center to a geographically different location. The work consisted of planning the migration without disturbing the live traffic and seamless switchover to the new facility. The entire task was completed in a small time window of 2 days • Installing and maintaining DNS for our organization • Handling ec2 amazon cloud • Installing and maintaining tools like SAMBA, DHCP, NFS, FTP, CVS, Bugzilla, MYSQL, Apache, Shorewall, NTP, Cfdisk • Maintained Send Mail and SMTP Server (with SPF record and Domain Keys) • Configure SSL on Send Mail • Configure milter-greylist on Send Mail for SPAM. • Maintaining the cloud (ec2). • Configure and VM. • Configure Auto Reply and Footer with Send Mail • Maintaining some administrative (automatic) task by SHELL Script. • Configure Sudoers for Production Team • Migrated the OS installation process from manual to automatic using Cobbler • Configure RAID • Automated the administrative tasks like password changing, post installation configurations, setting up a free user login • Upgraded the entire guruji office network to a better infrastructure • Configured and maintained Master/Slave on MYSQL with mail and SMS • Designed and implemented backup procedures • Negotiated with vendors in cases of hardware failures or software issues • Besides systems administration, is the point of technical contact for the developers and office PC support technician
  • 3. • Installing and configuring RUN LEVELS • Provided 24/7 on call availability by means of cell phone, instant messaging and e-mail • Fantastic ability to learn new material quickly • Disk Management, portioning tools like fdisk, sfdisk and cfdisk. File system management ext3 file system & utilities (mke2f, e2fsck,tune2fs) LVM physical volumes and logical volume & volume groups extending file systems LVM mount, unmount of file systems- /etc/fstab mount options.  V-Angelz Technology (June’07 – Feb ‘08) Designation: - Linux EngineerJOB RESPONSIBILITIES • Installing and maintaining the Print Server, Samba, FTP, Dialer server, Chat Server, HTTP • Installing and maintaining the Proxy with Shorewall and DansGuardian • Installing and maintaining the Q-Mail and Send Mail • Installing and maintaining the LDAP. • Installing and maintaining the DNS • Installing and maintaining the DHCP • Monitoring the Remote Server by NAGIOS tool • Responsible for maintain the IRON PORT • End to end migration of the entire data centre • Conducted research on proposed system upgrades and identified potential incompatibilities that led to alternative system purchase • Provided 24/7 on call availability by means of cell phone, instant messaging and e-mailPROFESSIONAL QUALIFICATION • REDHAT CERTIFIED ENGINEER training from NEW HORIZONS, Delhi • RHCE, Certificate Number: 804006791022538 •ACADEMIC QUALIFICATION• Bachelor in Computer Application (BCA) from IGNOU• Intermediate (10+2) in Science from Bihar Board.• Matriculation from Bihar BoardTECHNICAL SKILLOperating System : RHEL, Cent-OS, FedoraMail Server : Send Mail-Mail, Squirrel mail, Q-Mail
  • 4. Other Linux Tool : NAGIOS, COBBLER, BACULA, WEBMIN, BUGZILLA Sphinx, Puppet, SVN, FAI, DansGuardian, Sarg, Awstats,SplunkServer : DNS, DHCP, FTP, IMAP, POP, NTP, NIS, NFS, SAMBAWeb Server- : Apache Web Server, NGINXLanguage : Shell ScriptFirewalls : TCP Wrapper, Internet blocking using Squid, ShorewallDatabase : MYSQLHardware : IBM and Dell PowerEdge bladesNetwork Services : DNS/Bind, Samba, CIFS, NFS, TSM, LDAP, FTP, SSH, multipathd,DHCP, TFTP, iSCSI.Security Products : SELinux, Iptables, Tcpdump, Snort, IPtable, TCP Wrapper SSLPERSONAL PROFILEName : Mithun KumarDate of Birth : 12/09/1981Gender : MaleNationality : IndianMarital Status : Married
  • 5. Other Linux Tool : NAGIOS, COBBLER, BACULA, WEBMIN, BUGZILLA Sphinx, Puppet, SVN, FAI, DansGuardian, Sarg, Awstats,SplunkServer : DNS, DHCP, FTP, IMAP, POP, NTP, NIS, NFS, SAMBAWeb Server- : Apache Web Server, NGINXLanguage : Shell ScriptFirewalls : TCP Wrapper, Internet blocking using Squid, ShorewallDatabase : MYSQLHardware : IBM and Dell PowerEdge bladesNetwork Services : DNS/Bind, Samba, CIFS, NFS, TSM, LDAP, FTP, SSH, multipathd,DHCP, TFTP, iSCSI.Security Products : SELinux, Iptables, Tcpdump, Snort, IPtable, TCP Wrapper SSLPERSONAL PROFILEName : Mithun KumarDate of Birth : 12/09/1981Gender : MaleNationality : IndianMarital Status : Married
  • 6. Other Linux Tool : NAGIOS, COBBLER, BACULA, WEBMIN, BUGZILLA Sphinx, Puppet, SVN, FAI, DansGuardian, Sarg, Awstats,SplunkServer : DNS, DHCP, FTP, IMAP, POP, NTP, NIS, NFS, SAMBAWeb Server- : Apache Web Server, NGINXLanguage : Shell ScriptFirewalls : TCP Wrapper, Internet blocking using Squid, ShorewallDatabase : MYSQLHardware : IBM and Dell PowerEdge bladesNetwork Services : DNS/Bind, Samba, CIFS, NFS, TSM, LDAP, FTP, SSH, multipathd,DHCP, TFTP, iSCSI.Security Products : SELinux, Iptables, Tcpdump, Snort, IPtable, TCP Wrapper SSLPERSONAL PROFILEName : Mithun KumarDate of Birth : 12/09/1981Gender : MaleNationality : IndianMarital Status : Married

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