SUMMARY

• 7 years of IT and system administration experience in multiplatform LINUX/UNIX with hands - on expertise in networking and system integration
• Responsible for installing, configuring, and maintaining different flavors of Linux servers including infrastructure servers.
• Responsible for optimizing system performance and protecting the company from risk and data loss, performing software installations and upgrades to Linux systems and maintenance.
• Analyzing scan reports to remediate any vulnerability by patching.
• Opening support cases and working directly with vendors.
• Creating sos-reports and log tar balls for vendors.
• Building servers manually and from Pxe-Boot with customized kick start files.
• Managing packages and software channels with red hat satellite.
• Understanding of LVM. Extending and creating volume groups and logical volumes.
• Understanding of various file systems, ext2, ext3 and ext4, xfs, ntfs file systems upon request.
• Understanding of various protocols and services such as; HTTP, FTP, SFTP, TCP/IP, UDP, and ICMP.
• Managing share point ( internal document /info platform).
• Working with different teams to provide user support, application support and as well as system support.
• Monitoring servers with Nagios.
• Responding to tickets in a timely manner.
• Great technical writing and communication skills.
• Like to take initiatives. Good team player, enjoy working in a group and as well as working alone.
• Excellent skills in Excel, Word and Outlook.

TECHNICAL SKILLS

OS: Red Hat Enterprise Linux 5/6/7 Centos 6/7 Windows 10/11/12 AIX

Tools: BASH, Automated installation with Kickstart/Pxe-Boot, HTTP, FTP, NFS/CIFS shares, NIS, MOVEit Central, MOVEit DMZ, ACLS, SELinux, Iptables, ext3, ext4, fdisk, redhat satellite, IBM BigFix, Hmc, iSCSI, LVM, Salesforce, SAN/NAS storage, Macfee found stone, nexpose rapid 7, RSA, VPN, Ansible, ESXi, ESXi5.x, vCenter, vMotion, VMware Workstation, VMware, NAS, EMC, VMAX, VNX, Apache HTTP server, Apache Tomcat server, Ping, Traceroute, telnet, netstat, tcpdump, wireshark, ethtool, dig, NagiosXI, Zabbix, Grafana, SQL, MS SQL, Service now, NetBackup 7.x, YUM, RPM, iDRAC, TCP/IP, UDP, Dell servers, HP servers, Cisco C-series, HP Printers, Konica Minolta Printers.

PROFESSIONAL EXPERIENCE

Confidential

Linux Systems

Responsibilities:

• Day to day responsibilities included System, Application & Direct user support for level 2/3 issues.
• Provisioning RHEL 6/7 severs using red hat satellite with customized kickstart profiles.
• Managing users and group permissions, resolving file system errors using e2fsck and opening cases with vendor to resolve complex issues.
• Experience with various file systems such as ext2, ext3, ext4, xfs and ntfs.
• Working closely with developers to design, implement, support and troubleshoot various internal applications.
• Reviewing Nexpose Rapid7 scan reports and remediating vulnerabilities by applying patches.
• Installing and configuring IBM BigFIx Patch Management tool.
• Setting up communication between IBM BigFix Master, relay & clients servers.
• Automating OS upgrades using IBM Bigfix.
• Creating and modifying Ansible Playbooks according to required automation tasks.
• Manually Upgrading AIX TL’s, SP & firmware updates using HMC console.
• Managing packages and software channels using Red Hat satellite.
• Working closely with backup team to ensure all AIX and RHEL servers are being backed up.
• Managing internal documentation on share point ( KIKI).
• Migrating OS from Rhel 6 to 7.

Confidential, N.J

Responsibilities:

• Working with Red Hat 6 / Windows Server 12.
• Providing Application, System & Direct user support for level 2 issues.
• Verifying backups of all servers and clients, backing up and restoring data in the event of emergency.
• Installing and upgrading software on Linux (rpm/yum) and Windows Systems using Puppet.
• Responsible for complete user management which includes creating, modifying, closing user accounts on Linux/Unix.
• Doing weekly system patching by Stopping and starting specific application and database services.
• Responsible for maintaining front end Databases by cleaning Data weekly.
• Replicating and extracting data from one database to another with the use of Golden Gate (in house application).
• Monitoring Symantec NetBackup 7.5 Activity monitor to ensure backup of all the hosts. Restoring data upon user request.
• Setting up communication between syslog servers and monitoring logs to fix Application or webserver issues.
• Setting up SSH password less entries.
• Transferring files with Move IT Central and Move IT DMZ from windows to Linux systems.
• Setting up Cronjobs to automate the daily batch processes.

Confidential

Linux Systems

Responsibilities:

• Building/upgrading servers (DNS, DHCP, NIS, HTTPD, Cups) and general purpose servers using PXE-boot with kickstart.
• Installing and upgrading software on Linux (rpm/yum) and Windows Systems using ansible.
• Responsible for complete user management which includes creating, modifying, closing user accounts on Linux/Unix using Red Hat IPA.
• Setting up NIS domains on Red hat, Centos and Solaris systems which involves configuring servers and client roles.
• Propagating maps to slave servers and clients via cron jobs and manually.
• Setting up auto mounts for home directories in different domains.
• Monitoring health of infrastructure servers and mission critical servers using Nagios XI.
• Taking actions based on the alerts to resolve the issue in timely manner.
• Monitoring Symantec NetBackup 7.5 Activity monitor to ensure backup of all the hosts.
• Restoring data upon user request.
• Working closely with NetBackup team to Ensure all managed servers are timely being backed .
• Working with backup team to restore Data/VM when needed.
• Providing direct user support for level 1 and level 2 issues via email and ticket system.
• Solving complex network connectivity issues using tools such as Tcpdump, Wireshark.
• Scanning Vulnerable hosts on the subnets and fixing vulnerabilities resulting in improved and secure networks using McAfee Found Stone.
• Creating/updating iptables rules on Linux systems using host-based firewall.
• Solving issues related to user logon, NFS and server connectivity.
• Creating and modifying bash scripts to automate my daily tasks.
• Providing support for samba file shares and updating configuration file when necessary.

Confidential, N.J

Linux/Network Help Desk Specialist

Responsibilities:

• Installed Windows ( Windows XP and 2003 Servers ) and Linux Operating systems ( Redhat and CentOS)
• Resolved login issues; resetting passwords
• User and group management on AD and Linux
• Creating project directories and setting up proper permissions
• Installed M.S office and configure outlook
• Installed software on Linux Systems
• Worked with different vendors to order system parts such as memory, motherboard, hard disks
• LAN port enabling and disabling
• Reconfiguring/setting up machines for new hires
• Resolving DNS related issues ( Proxy setting )