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Linux Systems Engineer Resume

Jacksonville, FL

PROFESSIONAL SUMMARY:

  • Around 8+ Years of experience in Red hat Linux, SUSE Linux, UNIX Administration, VMware on Confidential UCS, and HP1Servers, SUSE Manager for Mission Critical and Enterprise applications.
  • Experience in installation and implementation of Red hat Linux and SUSE Linux.
  • Experience supporting Red hat servers in Production and Development environments
  • Experienced in system administration, System planning, co - ordination and group level and user level management.
  • Expertise in creating and managing Logical Volume Manager in Red hat Linux.
  • Good experience on managing the SAN and NAS Technologies in LINUX/VMware environments.
  • Experience in Disaster Recovery and Planning.
  • Experienced in system administration, System planning, co-ordination and group level and user level management.
  • Expertise in creating and managing Logical Volume Manager in Red hat Linux.
  • Expertise in Installation, Configuration of Package and Patch Management through Red Hat Satellite Server.
  • Experience with Cloud stack such as Amazon Web Services, Verizon Terre mark, and Open stack, IaaS/PaaS.
  • Experience in configuration of NIS, NIS+, DNS, DHCP, NFS, LDAP, SAMBA, SQUID, and postfix, send mail, ftp, remote access, security management and Security trouble shooting skills.
  • Experience in Red hat directory server and Red hat identity management.
  • Experience in Disaster Recovery and Planning.
  • Experience on backup and recovery software like Net backup 5.0 and 6.0 on Linux environment.
  • Experience with Solar winds
  • Experience working in SAN environment like EMC Symmetric DMX3, DMX4 and Clarion CX3 series arrays.
  • Experience with load balancing.
  • Installation, administration, implementation, testing and maintenance of complex and heterogeneous networks consisting of Linux (Red Hat)
  • Hardware configuration, installation and management on Confidential UCS, HP servers and Workstations.
  • Experience with Azure Configurations.
  • Experience with Shell scripting, bash scripting, Perl, Python languages.
  • Experience with automation tools like Chef/Puppet.
  • Handling and generating tickets via the Remedy ticketing tool.
  • Configured ILOs and Console connections for HP and SUN servers.
  • Knowledge of Routers, Switches, Hubs, Firewalls, LAN, WAN Intranet, Internet and Load balancers.
  • Maintained high availability of data using Oracle Real Application cluster Server.
  • Excellent Project Management experience.
  • Systems and network Planning and Administration.
  • Backup and Restore Management like backup, Tape library and Disk library and EMC.
  • Excellent verbal communication skills and strong documentation skills

TECHNICAL SKILLS:

Operating System: SLES 10, 11, Red Hat Linux (3/4/5/6)

Hardware: Confidential UCS C240 M3 and C240 M4, HP Gen 8 Blade and Rack mount Servers, Sun Fire 280R/V 480/4800/3800/12 K/15K, Series, Miseries Server, Sun Enterprise 6500/5000/450/420 R, HP 9000 K, L, N class server, rp8xxx/7xxx, IBM RS/6000, Series, Series, HP/IBM/Blade Servers, IBM Blade Center Platform.

Storage: Netback up, SAN EMC Symmetric 800/ DMX1000, 2000 & 3000, EMC Clarion 500 600, 700, Net App, NAS 2000/ 3000 series

Cluster: Oracle Real Application Cluster Hadoop Cluster.

WORK EXPERIENCE:

Confidential, Jacksonville, FL

Linux Systems Engineer

Responsibilities:

  • Installation, Configuration & Upgrade of Linux, Solaris, AIX, Oracle Linux, HP-UX, Linux operating systems
  • Created Oracle database instances for Oracle database administrators.
  • Experience as Splunk Admin performed activities including requirement analysis, design and implementations of various client server based applications using Splunk 5.x, Splunk 6.x.
  • Expertise in customizing Splunk for Monitoring, Application Management and Security as per customer requirements and industry best practice.
  • Extensive experience in Installation, Configuration, and Migration, Trouble-Shooting and Maintenance of Splunk, Apache Web Server on different Unix flavors like Linux.
  • Architected, Deployed and administered Red hat IDM into the infrastructure for user management.
  • Ordered, configured and administered 200TB storage appliance for copying data required for migrating the datacenter servers to Terre mark.
  • Facilitated tasks associated with moving of the 200TB storage appliance from datacenter to Terre mark.
  • Experience with Cloud stack such as Amazon Web Services, Verizon Terre mark, and Open stack, IaaS / PaaS.
  • Developed monitoring and notification tools using Python
  • Wrote Python routines to log into the websites and fetch data for selected options.
  • Experience with Shell scripting, bash scripting, Perl, Python languages
  • C++ framework containing support to data-structures, common algorithms, sockets, multi-threading.
  • Worked on the AWS Vulnerability / Penetration Testing Request Form for security scanning of websites which were running on load balanced instances.
  • Worked on various Logical Volume Manager tasks that included adding disks to the volume groups, increasing the size of the logical volumes and creating new file systems on those logical volumes.
  • Preparing servers for Oracle RAC installation which includes tuning the kernel, agent, installation, adding NAS storage on 2,3, 4 node clusters.
  • Experience in configuration of NIS, NIS+, DNS, DHCP, NFS, LDAP, SAMBA, SQUID, and postfix, send mail, ftp, remote access, security management and Security trouble shooting skills.
  • Experience with automation tools like Chef/Puppet.
  • Expertise in Installation, Configuration of Package and Patch Management through Red Hat Satellite Server.
  • Experience working in SAN environment like EMC Symmetric DMX3, DMX4 and Clarion CX3 series arrays.
  • Experience with load balancing.
  • Build, scale and support Load testing environments.
  • Establishing of corporate standard documentation for deployment and Testing.
  • Ensuring the effective delivery of servers within the stipulated SLA.
  • Acquired SAN storage and configured it under Logical volume manager in Linux environments.
  • Migrations of servers from physical to virtual.
  • Experience with Azure Configurations.
  • Experience with Samba, autos, Kerberos, LDAP, SSL carts, Apache HTTPD experiences a plus.
  • Documented various procedures for installation, upgrades, and bug fixes and troubleshooting for all types of Linux environments.
  • Perkin Elmer is into the health care business.
  • Worked on-call L3 Support 24x7 on a weekly basis.
  • Attended team meetings, change control meetings to update installation progress and for upcoming changes in environment.

Environment: Red-Hat Linux Enterprise servers (HP ProLiant DL 585, BL 465/485, ML Series), Solaris 8,9,10, AIX 5.3, 6.1, SAN(Neap), BladeLogic, Veritas Cluster Server 5.0, Windows 2003 server, Shell programming, Jboss 4.2, JDK 1.5,1.6,, VMware Virtual Client 3.5, VMware Infrastructure 3.5.

Confidential, Fargo, ND

Linux Systems Engineer

Responsibilities:

  • Provided system support for 1000+ servers of SUSE Linux and Red hat Linux including routine maintenance, patching, and system backups and restores, and software and hardware upgrades.
  • Install and configure RHEL 5.x and 6.x on virtual machines as well as physical server.
  • Worked on building new SUSE & Red hat Linux servers, support lease replacements and implementing system patches using the HP Server Automation tool.
  • Experience with VMware Virtualization using ESX hypervisor of vSphere 4.1.
  • Experience in installation and implementation of SLES 10, SLES 11 and Red Hat Operating Systems.
  • Configuration, implementation and administration of Clustered servers on SUSE Linux environment.
  • Experienced in system administration, System planning, co-ordination and group level and user level management.
  • Complete deployment of Search Head Cluster in different environments, including migration of existing Search Head pooling (simultaneously cut over from current Search Head's instead of creating from scratch).
  • Created Reports, Alerts and Dashboards by Splunk query language. Experienced in creating and running Jobs for scheduled tasks.
  • Experience in configuration of NIS, NIS+, DNS, DHCP, NFS, LDAP, SAMBA, SQUID, and postfix, send mail, ftp, remote access, security management and Security trouble shooting skills.
  • Expertise in Certify Authentication services.
  • Expertise in creating and managing Logical Volumes in SLES Linux.
  • Performed automated installations of Operating systems SUSE Linux using automats.
  • Experience on backup and recovery software like Net backup on Linux environment.
  • Systems and network Planning and Administration.
  • Supported production systems 24 x 7 on a rotational basis.
  • Understanding of Microsoft System Center: Creating and Implemented Changes on servers and documented the change in the Microsoft System Center for future reference.
  • Resolved Security Access Requests via Peregrine Service center to provide the requested User access related requests.
  • Providing support for C++ templates and undertaking testing.
  • Involved in performing code reviews in C++, Python and Shell scripting languages for moving into development on LINUX, UNIX operating systems.
  • Preparing servers for Oracle RAC installation which includes tuning the kernel, agent, installation, adding NAS storage on 2,3,4 node clusters.
  • Expertise in Installation, Configuration of Package and Patch Management.
  • Handling and generating tickets via the BMC Remedy ticketing tool.
  • Experience with HP Gen 8 blade servers and rack mounted servers.
  • Coordinated Hardware configuration, installation and management as well as. Configuration of ILOs and Console connections for HP Gen 8 Blade and Rack mounted servers.
  • Experience with setting up Linux servers for Oracle Real Application Clusters and configuring SAN based mount points.
  • Excellent Project Management experience.
  • Experience with load balancing.
  • Creating new file system, managing & checking data consistency of the file system.
  • Created new file systems using Raw Device Mapped loon’s, Virtual Disks and SAN storage as per required.
  • Experience working in SAN environment like EMC Symmetric DMX3, DMX4 and Clarion CX3 series arrays.
  • Experience with Shell scripting, bash scripting, Perl, Python languages.

Environment: Solaris 8,9,10, Red Hat Linux AS/EL 4.0, AIX 5.2, 5.3, Sun E10k, E25K, E4500, Sun Fire V440/880, DMX 3 & DMX4, Site minder, Sonic 7.0

Confidential, Jersey City, NJ

LINUX Administrator Installation

Responsibilities:

  • Installation, Configuration and upgrade of Red hat Linux (2,3,4,5), Centos, Oracle Linux, SUSE, Solaris, AIX, HP-UX & Windows 2000 / 2003/2008 Operating System.
  • User Administration, management and archiving.
  • Install and configure RHEL 5.x and 6.x on virtual machines as well as physical server.
  • Configuring NFS, NIS, NIS+, DNS, Auto Mount & Disk Space Management on SUN Servers.
  • Experience in Configuring and Managing Virtual Disks, Disk Mirrors RAID Levels.
  • Data Center Migration support for CX, DMX attached hosts.
  • Worked with OVF "Open Virtual Machine Format" supported tools Virtual Box, Red hat Virtualization (XEN), and VMware Workstation.
  • Installation, Configuration and Maintenance of Samba, Apache Tomcat, Web Sphere, Web logic and Jboss servers in Sun Solaris and Linux environment.
  • Experience with Puppet and Chef Configuration management tool.
  • Experience with VMware Virtualization using ESX hypervisor of vSphere 4.0.
  • Installation, Configuration and Maintenance of Samba, Apache Tomcat, Web Sphere and Jboss servers in AIX, Sun Solaris and Linux environment.
  • Experience in Active directory configurations and support.
  • Experience with setting up Linux servers for Oracle Real Application Clusters and configuring SAN based mount points.
  • Experience with Samba, autos, Kerberos, LDAP, SSL certs, Apache HTTPD experiences a plus.
  • Preparing servers for Oracle RAC installation which includes tuning the kernel, agent, installation, adding NAS storage on 2,3,4 node clusters.
  • Experience working in SAN environment like EMC Symmetric DMX3, DMX4 and Clarion CX3 series arrays.
  • Experience with Shell scripting, bash scripting, Perl, Python languages.
  • Experience in configuration of NIS, NIS+, DNS, DHCP, NFS, LDAP, SAMBA, SQUID, and postfix, send mail, ftp, remote access, security management and Security trouble shooting skills.
  • Configuring and maintaining network services such as LDAP, DNS, NIS, NFS, Web, Mail, FTP
  • Experience in storage administration support with EMC Symmetric / DMX, Clarion, NetApp NAS filer and Brocade / Confidential Fiber Switches for zoning purposes.
  • Troubleshooting host-based connectivity issues related to EMC software like Power Path, Navisphere, ECC client software and third-party HBA's (Emulex and Logic).
  • Emulex and Logic HBA cards installation and configuration of the host servers.
  • Experience with Connectix Manager and Data Fabric manager, Zoning, LUN allocation, and Storage allocation to storage groups.
  • Experience with Installation, Configuration and Administration MySQL.
  • Expertise in Performance Monitoring and Performance Tuning using Top, prostate, SAR, vista, PS, iOS tat etc.
  • Server Consolidation and Migration of Applications on Oracle Enterprise and Java Applications.
  • Experience in building Production Servers and validation for new build releases.
  • SENDMAIL configurations and administrations, testing the mail servers.

Environment: Red Hat Linux, VERITAS NetBackup, Korn Shell, Bash Scripting, Veritas Volume.

Manager, web servers, LDAP directory, Active Directory, Web logic servers, SAN Switches, Apache, Tomcat WebSphere, WebLogic application server.

Confidential, Wilmington, DE

UNIX/Linux Systems Administrator

Responsibilities:

  • Installation, Configuration & Upgrade of Linux, Solaris, AIX, Oracle Linux, HP-UX, Linux operating systems
  • Installation of patches and packages.
  • Upgraded Solaris 8 to Solaris 9 and 10. Configuring SAN Sun Storage. Through Brocade Silkworm Switches. Fiber Optics Switch for redundancy with multi-path.
  • Experience with VMware Virtualization using ESX hypervisor of vSphere 4.0.
  • Configured Solaris Jumpstart Server. Maintained Server 6.0. Backup data of Servers using Net Backup. Maintained Security of the Solaris Servers.
  • Worked on Solaris 10 container technology, configured separate zones for various applications.
  • Involved in Implementing and Administrating enterprise level data backup and recovery.
  • Designed and Implemented Backup solution for the Network.
  • Installed and configured Lucene on Linux servers for Oracle database and Middleware applications.
  • Installed and configured file and Application servers running on Sun servers
  • Configuring and maintaining network services such as LDAP, DNS, NIS, NFS, Web, Mail, FTP
  • Managed Network troubleshooting applications TCP/IP including Ethernet, IP addressing & Sub netting, routing
  • Worked on creating user accounts, user administration, local and global groups on Solaris platform.
  • Experience with Samba, autos, Kerberos, LDAP, SSL certs, Apache HTTPD experiences a plus.
  • Preparing servers for Oracle RAC installation which includes tuning the kernel, agent, installation, adding NAS storage on 2, 3, 4 node clusters.
  • Maintained high availability of data using Oracle Real Application cluster Server.
  • Experience with Shell scripting, bash scripting, Perl, Python languages.
  • Created User Accounts and Network Shares. Configured SUN Workstations as Domain Clients.
  • Administrated NFS, NIS, DHCP and DNS Samba services running on AIX, Sun Solaris and Red Hat Linux.
  • Experience with VERITAS Volume Manager (Viv), VERITAS File System (Vexes), VERITAS Net Backup, VERITAS Clustering with SAN, NAS environment.
  • Worked with Storage team to configure EMC SAN, NAS and iSCSI configuration.
  • Managed Users for AIX, Solaris, HP-UNIX and Linux Servers and assigned rights to access network resources.

Environment: Solaris 8/9/10, Red Hat Linux, VERITAS NetBackup, Korn Shell, Bash Scripting, Veritas Volume Manager, web servers, LDAP directory, Active Directory, BEA Web logic servers, SAN Switches, Apache, Tomcat WebSphere, WebLogic application server.

Confidential, Philadelphia, PA

Linux Administrator

Responsibilities:

  • Setup the domain name system by configuring the DNS primary, secondary servers and DNS clients.
  • Administered the network for 400 users using Shell Scripts.
  • Configured the send mail configuration file, created email ids and alias database.
  • Part of team for installation and configuration for DB2.
  • Expertise in working with MYSQL database, Apache web server and Tomcat application servers.
  • Configured backup and restoration of data from tape in Dump and Tar format using shell scripts.
  • Monitored the network and system performance through vista, iOS tat tools.
  • Recovered data from servers after a ROOT file system crash.
  • Configured and administered Apache, VSFTPD servers, MYSQL and TOMCAT.
  • Installed Veritas Volume manager and configured the disc groups and volume groups.
  • Responsible for maintenance of development tools and utilities and to maintain Shell, Perl and automation scripts.
  • Developed multiple shell scripts for system monitoring.
  • Expertise in handling crisis during heavy load on servers and maintaining zero downtime.
  • Tested and implemented various types of software for backup.
  • Experience in administrative skills, including monitoring, capacity planning, and disaster recovery and performance improvement skills.

Environment: Solaris 8/9/10, Red Hat Linux, VERITAS NetBackup, Korn Shell, Bash Scripting.

Confidential, Denver, CO

Unix/Linux Administrator

Responsibilities:

  • Responsible for day-to-day System Administration for SUN SOLARIS servers.
  • Build the E450 and 6000 Servers with Solaris operating system.
  • Storage setups, RAID, Logical Volume Manager, system backup design and disaster recovery
  • Systems performance monitoring.
  • Experience with VMware Virtualization.
  • Solaris Operating Systems upgrade, package installations, updates, patches and software fixes.
  • VERITAS File system and VERITAS Volume Manager 2.5 are used to configure the RAID 1 and RAID 5 Storage Systems.
  • Creating User accounts, Mail account, groups, printer etc
  • Installing operating systems, patches, hardware, vendor software packages, system customization and documentation of all departmental UNIX, PC-based workstations and Terminal.
  • Preparing servers for Oracle RAC installation which includes tuning the kernel, agent, installation, adding NAS storage on 2,3,4 node clusters.
  • Maintained high availability of data using Oracle Real Application cluster Server.
  • NFS Management - Take care of user accounts/groups, setting up of NFS Environment.
  • Solving the problems as & when created when NFS data being accessed.
  • Configured auto mounts/maps for the user accounts. Administration/Configuration of Print Servers/Clients in the Network
  • Worked closely with database administration staff to ensure optimal performance of databases, and maintain development applications and databases.
  • Assembling the systems and installing operating system and application software.
  • Designing computer displays to accomplish goals using flowcharts and diagrams.
  • Installing Operating Systems and Application Software.
  • Training for users to use the program.

Environment: Solaris 8/9/10, Red Hat Linux, VERITAS NetBackup, Korn Shell, Bash Scripting, Veritas Volume Manager, web servers, LDAP directory, Active Directory.

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