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.