SUMMARY:

A highly driven and motivated Linux Systems Engineer with proven technical skill in a wide range of operating system platforms and support based system services including and not limited to troubleshooting, maintenance, hardware support, installation and configuration. Possesses strong communication skills and comfortable in team roles or single focused positions with minimal supervision.

TECHNICAL SKILLS:

Operating Systems: Window server 2003, 2008, 2012, Windows vista /XP/7/8, Linux (RHEL 5/6/7, Centos 4/5/6/7, Fedora, Ubuntu), UNIX (, Solaris 9/10,), HP - UX

Infrastructure (Physical and Virtual): KVM, VSHERE VMWARE ESXi, Hypervisor, RHEVM Dell PowerEdge 710, 2950, Sunsparc, M4000, M8000 and M9000, Windows XP, 2003 and 2008, Brocade 3900, 4100, 5300 and DCX, Blade technologies.

Software and Applications: Oracle 11g, 12c, apache tomcat, Foreman and puppet, Ruby, Netback up (Symantec), MYSQL, Remedy IT service management, BMC Remedy, ssh, vsftpd, telnet, ftp, Winscp, putty, NetBackup, rsync, NetApp, OMD-Open Monitoring Distribution, HP-Open view, Groundwork Monitor Enterprise, Big Brother, Nagios, Check MK, Enterprise Management System, Jira, Bitbucket, Bamboo, Jenkins, Git, Puppet (Opensource & Enterprise), Squid Proxy, Kickstart, DNSNetworking: TCP/IP, LAN, WAN, VLAN, INTERNET

Programming: Bash, PowerShell and Ruby scripting.

PROFESSIONAL EXPERIENCE:

Confidential, Windsor Mill, MD

Responsibilities:

• File space investigation and management.
• Installed and set up and managed OMD/Nagios from ground up.
• Responding to alerts thrown by monitoring tools (OMD/Nagios).
• Managed logical volumes using lvreduce, lvextend…
• Created filesystems using logical volumes and updated fstab.
• Server installation using various methods like kickstart, disk installation, VMware vdi images.
• Patching development, implementation, and production servers based on given patch cycles and times.
• Installed and managed packages using yum and rpm tools.
• Configured and set up NFS filesystems.
• Fixed NFS stale handles.
• Installed and Configured DNS Master server and slave server from ground up.
• Set up DNS server and adding multiple servers with IP addresses in domain record on the DNS master server domain.
• Update DNS records (zone records) in the domain’s zone file on the DNS master server.
• Security and port management using iptables.
• Managing running processes and applications.
• Configured and set up ssh access to enabled or disabled on virtual machines as required.
• Creates user accounts, managed user privileges, managing disk space and setting up disk quotas for specific accounts.
• Created RHEL virtual servers in VMware center from consolidated image and from attached image in datastore.
• Configured and set up network for newly created virtual servers and added them to the Red Hat Satellite.
• Installed, configured and supported apache on virtual machines.
• Network connection troubleshooting, management and support.
• Using open manage to manage hardware issues.
• Provided users with elevated privileges for special tasks (sudo).
• Server decommissioning using stipulated procedures.
• Physical server walk-through observations to determine physical points of failure.
• Created and managed channels in RedHat Satellite (scheduling patch jobs).
• Carried out production readiness reviews.
• Set up and mount iso file image to placed permanently to the directory.
• Installed, configured and supported Samba on virtual machines.
• Adding disks in VMware and using pvcreate, vgcreate and lvcreate to create new filesystems.
• Installed and set up iscsi target and initiator
• Server hardening using pre-created scripts
• Troubleshooting and managing application issues running on Linux/Unix servers.
• Virtual Box VM setup for clients using centos vdi images
• Installed and set up Jira from ground up.
• Used Jira to track issues, for ticketing tool, assigned tasks and Agile methodology
• Backup and Recovery Jira Instance.
• Configured Jira with Smtp Mail server to send out email to users.
• Installed and set up confluence from ground up.
• Used Confluence as wiki and documentation tool.
• Backup and Recovery Confluence Instance
• Configured Confluence with Smtp Mail server to send out email to users.
• Installed and set up Bitbucket from ground up.
• Used Bitbucket as repository management tool.
• Backup and Recovery Bitbucket Instance
• Configured Bitbucket with Smtp Mail server to send out email to users.
• Installed and set up Gitlab from ground up
• Backup and Recovery Gitlab Instance
• Configured Gitlab with Smtp Mail server to send out email to users.
• Installed and set up Jenkins from ground up.
• Used Jenkins for continuous integration, continuous development and continuous delivery.
• Configured Jenkins with Smtp Mail server to send out email to users.
• Documentation
• Installed and set up Mysql from ground up.
• Installed, configured and managed phpmyadmin.
• Used Mysql as an external database to store Jira, Confluence, Bitbucket data/Information.
• Recovered root password for older generation servers (server cracking) Trained new admins
• Physical disk replacements (Hot swappable).
• Performed backups to tapes using Network Manager Linux workstation support
• General troubleshooting and root cause analysis issues (connectivity server unresponsiveness etc.) and fixing stale NFS handles, service management, fixing remote home
• Performance tuning of oracle team, fixing issues with Hugepage and swap space modification.
• Created and managed special FTP users on ftp server
• Directory issues, cron management and other duties assigned
• Enable IP forwarding
• Configured passwordless login between servers
• Installed and set up IBM SPSS Modeler server, Modeler server premium, SPSS SDAP71, oracle R, R Essentials from ground up.
• Installed and set up DB2 from ground up.
• Connecting DB2 with other IBM product like Collaboration and deployment services (CNDS), i2 analyze, ODM etc.
• Installed and set up i2 server/analyze from ground up.
• Installed and set up puppet Enterprise and it’s agents on all nodes from ground up.
• Managed, write my manifest to those machines and also managed a dynamic environment using puppet R10k tools.

Confidential, Chevy Chase, MD

Linux Systems Engineer

Responsibilities:

• File space investigation and management.
• Responding to alerts thrown by monitoring tools (HPOV).
• Managed logical volumes using lvreduce, lvextend…
• Created filesystems using logical volumes and updated fstab.
• Server installation using various methods like kickstart, disk installation, VMware vdi images.
• Patching development, test, and production servers based on given patch cycles and times.
• Installed and managed packages using yum and rpm tools.
• Configured and set up NFS filesystems.
• Fixed NFS stale handles.
• Installed, configured and supported postfix to enabled users to retrieve email on virtual machines.
• Configured and set up email alias to enabled users send and receive mail by local users.
• Security and port management using iptables.
• Managing running processes and applications.
• Configured and set up ssh access to enabled or disabled on virtual machines as required.
• Set up cron jobs and enabled or disabled jobs as required.
• Creates user accounts, managed user privileges, managing disk space and setting up disk quotas for specific accounts.
• Created RHEL virtual servers in VMware center from consolidated image and from attached image in datastore.
• Configured and set up network for newly created virtual servers and added them to the Red Hat Satellite.
• Installed, configured and supported apache on virtual machines.
• Managed backup using Netbackup.
• Network connection troubleshooting, management and support.
• Symantec Netbackup installation, administration, backup and restoration.
• Using open manage to manage hardware issues.
• Provided users with elevated privileges for special tasks (sudo).
• Server decommissioning using stipulated procedures.
• Physical server walk-through observations to determine physical points of failure.
• Created and managed channels in RedHat Satellite (scheduling patch jobs).
• Carried out production readiness reviews.
• Set up and mount iso file image to placed permanently to the directory.
• Installed, configured and supported Samba on virtual machines.
• Adding disks in VMware and using pvcreate, vgcreate and lvcreate to create new filesystems.
• Installed and set up iscsi target and initiator
• Server hardening using pre-created scripts
• Troubleshooting and managing application issues running on Linux/Unix servers.
• Virtual Box VM setup for clients using centos vdi images
• Used Remedy to track team tickets and assigned tasks
• Documentation
• Recovered root password for older generation servers (server cracking)
• Trained new admins
• Physical disk replacements (Hot swappable).
• Performed backups to tapes using Network Manager
• Using NetApp for managing NFS loads and providing weekly Network load results with power point
• Linux workstation support
• Simple scripts to perform repetitive tasks.
• General troubleshooting and root cause analysis issues (connectivity server unresponsiveness etc.) and fixing stale NFS handles, service management, fixing remote home
• Performance tuning of oracle team, fixing issues with Hugepage and swap space modification.
• Created and managed special FTP users on ftp server
• Directory issues, cron management and other duties assigned
• Enable IP forwarding
• Configured passwordless login between servers

Confidential, Largo MD

Senior Linux Systems Admin

Responsibilities:

• Automated installations using jumpstart methods.(UNIX)
• Service packs and security patches, Installation of recommended SUN patch clusters
• Solaris virtual environments configuration.
• Installation of multiple sparse and whole root zones within one physical instance of Solaris 10.
• Zpool creation, replacing disks. Adding spaces, importing zpools. Creating set mounts points and user-mount points.
• Performed data management using native Solaris utilities for archiving and compression.
• System troubleshooting and operating system support
• Security scan analysis and baseline analysis
• Disk quotas evaluation and system performance monitoring and tuning.
• Server administration - user management and support
• File restoration
• Hardware documentation and policy
• Oracle database support.
• Hardware monitoring and performance evaluation.
• Tracking filesystem growth trends and capacity planning
• Bandwidth monitoring and utilization
• Server(physical) upgrades from RHEL5 to RHEL6 using Kickstart
• Network troubleshooting and maintenance.
• Performance Monitoring and capacity planning.
• Used SMF system utilities
• Installed and configured VERITAS volume manager.
• Implemented RAID 0-5 solutions with VERITAS Volume Manager.
• Role-Based Access control management.
• Familiarity with network systems such as servers, switches, firewalls and routers.
• Apache web server administration and support.
• Tracked and fixed problems using system logs
• Re-base lining servers