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Linux System Administrator Resume

Hicksville, NY

SUMMARY

  • A Senior Administrator with 10+ years of experience in UNIX System
  • Administration of RedHat/Centos (4/5/6/7), OEL, Ubuntu, SUSE.
  • System Administration experience in heterogeneous environments comprising Linux, UNIX and Windows.
  • Excellent in patches and packages installation in Linux Environment
  • Configuration of NIS, NFS, SAMBA, SENDMAIL, APACHE SERVICES, DHCP and Static IP in heterogeneous environment..
  • Experience in SAN/NAS storage.
  • Experience in working with Linux Disk Management.in Linux.
  • Knowledge of tools such as Puppet and Ansible..
  • Coordinating with Vendor Support engineers to resolve high priority issues.
  • Initiating Backups on daily basis and monitoring the scheduled backups.
  • Expert in Datacenter Operations including hardware, software setup and monitoring.
  • Troubleshooting on a 24 x 7 basis with Remedy and HP Opsware
  • Servicenow ticket management system.
  • Provide support to SQL, MYSQL, Oracle, Data guard and DB2 database while coordinating with database teams.
  • Experienced in Writing and Updating Shell Scripts.
  • VMware Infrastructure 5.x and 6.x configuration and management.
  • Configuring & Troubleshooting NFS, Samba Servers and Clients, in UNIX Environment.
  • Implementation of RAID levels like 0, 1, 0+1, 5.
  • Provide LUN mapping from EMC, Clarion and Dell Compellent storage.

TECHNICAL SKILLS

Operating Systems: RedHat/Centos, - 4/5/6/7, Centos, OEL, Oracle OLVM, SUSE

Hardware: Cisco UCSC-C220-M4S, UCS B200 M3/M4/M5,, HP DL360/DL380 G5/G6/G7/Gen8, Dell PowerEdge 1950, 2300, 2450, R810, IBM RS/6000, IBM Blade center, JS20Web Servers

Languages: Shell scripting

Networking: NIS, NFS/Samba, AutoFS, TCP/IP, DNS, NIC Bonding, DHCP, Cisco Routers/Switches

Other Skills: Oracle OLVM, VMware, VCenter Server, VMware Server, Xen, Solaris Zones. LPAR, NIM, TSM IBM tape libraries

PROFESSIONAL EXPERIENCE

Confidential, Hicksville, NY

Linux System Administrator

Responsibilities:

  • Provisioning of Linux (RedHat 6/7) Systems and Network Administration.
  • Managing Spacewalk and Katello.
  • Build, configure and deploy Virtual machines and templates.
  • Configure Physical volume, Volume Groups and Logical Volumes, extend logical volumes for file system growth as needed using Logical Volume Manager (LVM).
  • Patching Operating system via Spacewalk / YUM Repository and via individual RPM.
  • General administration of Linux systems as per customer required break/fix in line with company policy.
  • Perform standard system administration tasks, such as patching, software and hardware, firmware upgrades, troubleshooting and problem resolution.
  • Building VM and managing Oracle OVM and OLVM Infrastructure
  • Server building using PXE, Kickstart Redhat and Centos Servers
  • Mapping LUNs and NAS share as per project requirement.
  • Run Puppet agent on newly provisioned systems to connect them with Puppet Server.
  • After Puppet runs, verify all the monitoring software available in place like Splunk has started monitoring the OS.
  • Installation of third party software from time to time.
  • Good knowledge of shell scripting, Apache, Puppet, Bash, Dell Compellent, Netapp.
  • Active participation in Team meetings to discuss project need on daily/weekly basis.
  • Working with Audit teams from KPMG to implement the changes as per audit requirements.
  • Provided on-call support by rotation to provide 24x7x365 support.

Confidential, West Goshen, PA

Linux System Administrator

Responsibilities:

  • Provisioning of Linux (RedHat 5/6) Systems.
  • Build, configure and deploy Virtual machines and templates.
  • Configure Physical volume, Volume Groups and Logical Volumes, extending file system as needed using LVM.
  • General administration of Linux systems as per customer required break/fix in line with company policy.
  • Perform standard system administration tasks, such as patching, software and hardware upgrades, troubleshooting and problem resolution.
  • Building VM and managing Oracle OVM Infrastructure
  • Mapping LUNs and NAS share as per project requirement.
  • Installation of third party software from time to time.
  • Good knowledge of shell scripting, Apache, Bash, Dell Compellent.
  • Active participation in Team meetings to discuss project need on daily/weekly basis.
  • Provided on-call support by rotation to provide 24x7x365 support.

Confidential, Cleveland, OH

Linux/Unix System Administrator

Responsibilities:

  • Worked on RedHat/CentOS (RHEL 3/4/5), Ubuntu and SUSE servers.
  • Administration of RHEL 5 and 6 which includes installation, configuration, testing on both physical and virtual machines.
  • Datacenter Operations including Racking, Cabling, Labeling, Update Firmware, Replacement of Motherboard, DIMM, CPU, PSU and Hard Disks.
  • Followed Change Management as per company standards.
  • Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.
  • Monitored trouble ticket queue to attend user and system calls.
  • Setting up cron schedules for backups
  • VMware Infrastructure Installation & Configuration.
  • Server building using PXE, Kickstart and Jumpstart for Solaris and Linux Servers.
  • Patching and packages installation on Linux/Unix Environment.
  • Build, configure and deploy Virtual machines/Physical Servers and templates.
  • Setup and configure failover load balancing using IP bonding for network cards.
  • Working on Volume management using VERITAS Volume manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multipath.
  • Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
  • Updating YUM Repository.

State Farm, Bloomington, IL

Linux/Unix Administrator

Responsibilities:

  • System Administration of Linux/AIX.
  • Configuration and Management of NIS, NFS, SAMBA, SENDMAIL, APACHE SERVICES.
  • Installation, Configuration and Management of VMware infrastructure.
  • Standard system administration tasks, such as patching, software and hardware upgrades, troubleshooting and problem resolution.
  • Resolve Networking issues.
  • Create users with limited or full root privileges and Sudoers privilege.
  • Working with Oracle DBS’s, Networking Team, QA Team and Developers to address their needs.
  • File system management using LVM to address growth..
  • To assist during critical system outages.

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