Unix Linux System Administrator Analyst, DevOps Engineer

UNIX/LINUX/VMWARE SYSTEM ADMINISTRATOR / SYSTEM ANALYST / DEVOPS ENGINEER

IRINA SAMOILOVA

Saddle Ridge Dr, cell phone: +1-210-***-****

Hopewell Junction, NY, 12533 e-mail: ******@******.**

Objective: Seeking Unix/ Linux/VMware system administrator, system analyst or DevOps/System engineer position.

Overview: Over 18 years of experience in administration of Unix Sun Solaris (Oracle) 11/10/9/8, AIX 7.x/

6.x, Red Hat Linux Enterprise, CentOS and Oracle Linux 8.x/7.x/6.x, Suse Linux Enterprise

10/11, zLinux on IBM zSystem, HP-UX(10.x/11x), Veritas Storage Foundation & Cluster Server

7.x/6.x including installation, upgrade, patching, maintenance, configuration, diagnostics,

troubleshooting and tuning.

Experience in server builds, administration within complex system architectures in a

Datacenter environment. Datacenter migration and disaster recovery exercises.

Experience in administration and configuration of VMware Infrastructure, VMware VSphere

clients, ESX/ESXi servers, VCenter Servers.

Strong analytical, problem-solving and communication skills.

Qualification: Currently working as Unix/Linux system analyst at TechMahindra @General Electric, USA

Previously worked as: Linux & VMware System Administrator / DEVOPS engineer

@ Medallies, USA

Unix/Linux/VMware System Administrator at LTI @ General Electric, USA

Unix/Linux System Administrator at CDI @ IBM, USA

Unix/Linux System Administrator / Network Analyst at Compucom @ Pfizer Inc, USA

Unix/Linux System Administrator / Network Analyst at Infinal Technologies @ Pfizer Inc, USA

Technical Skills:

Operating UNIX Sun Solaris/Oracle (11/10/9/8), Red Hat Enterprise Linux, CentOS, Oracle Linux

8.x/7.x/6.x,

Systems: zLinux on IBM zSystems, AIX (7.x/ 6.x), Suse Linux Enterprise (10/11), HP-UX (10.x/11x),

VMWare ESX/ESXi.

Volume Veritas Storage Foundation, Veritas Volume Manager (VxVm)

Managers Linux Volume Manager (LVM), Solaris Volume Manager. AIX LPARs, VIOS & AIX HACMP.

HA Clusters : Veritas Cluster Server (VCS), Veritas Volume Replication (VVR). VMWare ESX/ESXi cluster.

Automation: HP Automation Opsware (SAS), Ansible, Perl, UNIX shell scripting awk, sed.

Virtualization: VMWare, ESX/ESXi hosts, VCenter, VSphere,

AIX VIO Servers, LPARs, HMC, HACMP. Sun Solaris (Oracle) LDOMs & CDOMs, OpsCenter.

Applications Sendmail, NetBackup, PowerBroker, Java, Apache Tomcat, MySQL, LAMP Stack

/Software: Tivoli Storage manager (TSM), Tivoli Work Load Schedule (TWS), Websphere Application

Server (WAS), Legato Networker, EMC PowerPath

Networking: TCP/IP, UDP, ICMP, SMTP, FTP, HTTP, DHCP, DNS, NIS/NIS+, SAN, NAS, LDAP and NFS

Experience Highlights:

Tech Mahindra Inc. at General Electric 09/18 – present time

Unix / Linux System Analyst

Responsibilities:

Administer, upgrade and maintain Sun Solaris (Oracle) 11/10/9/8, Red Hat Enterprise, zLinux on IBM Z Systems, Oracle Linux (8.x/7.x/6.x ), AIX 7.x/6.x, AIX HMC and HACMP,

Veritas Storage Foundation / Veritas Volume Manager and Veritas Cluster Servers (VCS).

Perform diagnostic and troubleshooting of OS issues. Recover servers from crashed and hung states.

Assist application team and DBAs with Unix issues in VxVm / VCS environment: freeze, unfreeze, switch, online/offline, clear, fail over . Troubleshoot and start application and database resources on VCS clustered and non-clustered servers.

Maintain and support virtual & physical server environment. Add/remove storage LUNs, memory, CPU resources on VMs.

Add ASM virtual disks to Oracle RAC cluster in VCenter.

Add/remove disks, create disk groups, volume groups, logical volumes using VxVM on Sun Solaris and Linux. Create and resize file systems.

Administer services such as AutoFS/NFS/NTP on UNIX and Linux servers.

Troubleshoot issues related to hardware, network failures on Linux, Sun Solaris and HP-UX servers.

Install packages and patches on Linux and Sun Solaris (Oracle) Servers. Troubleshoot issues after patching.

Install Perl, Java, Tomcat, Splunk and other applications on Linux and Unix servers.

Analyze system CPU, memory, load average and file systems utilization.

Assist vendor’s engineers with replacement of hard drives, HBA cards, memory DIMMs, CPUs, power supplies and system boards.

Assist storage administrators with SAN/NAS issues, fix failed paths, iSCSI issues, LUNs and assist with storage migration.

Perform configuration, diagnostic and troubleshooting of network interfaces, IP addresses, ports.

Perform diagnostics and assist with troubleshooting of network issues. Assist network team to reIP serves and network printers.

Tune up kernel parameters for better performance. Update ulimits, zfs quotas, etc.

Configure print servers and network printers.

MedAllies Inc.

Linux/ VMware System Administrator & DEVOPS 11/17 – 09/18

Responsibilities:

Administration, installation, configuration, upgrade and support of Red Hat Enterprise / CentOS (6.x/7x ).

Perform virtual and physical server builds and ESXi host builds, hardware replacement.

Data center migration from TX to NY, USA.

Recover servers from crashed and hung states. Perform diagnostic and troubleshooting of OS issues.

Maintain and support of virtual server environment, VMWare ESX/ESXi hosts, Vcenter and Vsphere. Troubleshoot ESX/ESXi hosts, Vcenter issues. ESXi installation/upgrade. VMtools installation / upgrade. Add/remove storage LUNs, memory, CPU resources on VMware servers.

Add/remove disks, create disk groups, volume groups, logical volumes on Linux servers. Create and resize file systems.

Implement Linux Active Directory (AD) integration using Winbind and Kerberos. Add Linux servers to AD.

Install and configured Spacewalk /RedHat Satellite server 2.8 and Centos 6.x/7.x clients. Maintain repositories.

Install packages and patches on RedHat and Centos servers. Troubleshoot issues after patching .

Application / DB support including Apache Tomcat, Mysql and Nagios system monitoring tool.

Perform configuration, diagnostic and troubleshooting of network interfaces, ports & routers.

Analyze system CPU, memory, disk and swap space utilization.

Use Ansible for Linux automation tasks and system state compliance. Scripting with bash, awk, sed.

Java developers and Web developers support. Bitbucket deployments.

Jenkins installation and configuration, Atlassian Jira, Agile methodology.

Logic Technology Inc at General Electric 06/14 – 11/17

Unix / Linux/ VMware System Administrator

I had the similar responsibilities and working duties as I currently have at TechMahindra Inc. on the contract

with General Electric.

CDI at IBM Inc. 7/08 – 6/14

Unix / Linux System Administrator

Responsibilities:

Perform server build (OS and software installation/ configuration) and support for Sun Solaris (Oracle) 9/10, AIX 6.x/7.x, Red Hat Enterprise Linux and CentOS(5.x/6.x) and complete documentation and security check forms.

Administer and support Sun Solaris (Oracle) 9/10, AIX 6.x/7.x, Red Hat Enterprise Linux (5.x/6.x), Suse Linux Enterprise (10/11)

Create Logical Domains (LDOMs) resource pools, zones, containers on Solaris 10 /Sun T5120/T5140

Configure and create AIX and LINUX partitions and resources on Hardware Management Console (HMC).

Install and configure AIX Virtual I/O Servers.

Build AIX LPARs by pushing AIX image from NIM server to various IBM Power servers.

Administer AIX Logical Partitions (LPARs) from HMC console.

Provide & configure new LUNs to AIX server from AIX VIOs or storage arrays DS4000 /8000

Perform AIX upgrades to new Technology Level (TL)/ OS level.

Build Linux Red Hat servers using kickstart / jumpstart procedure on physical hardware.

Administer and maintain virtual server environment VMWare ESXi hosts, VCenter, VSphere.

Create VMs and install & configure Linux Red Hat on it. Performed VMs cloning.

Perform quarterly patching of AIX, Linux, Sun Solaris servers.

Perform data migration

Install, configure and administer Veritas Storage Foundation /Veritas Volume Manager,

Veritas cluster Server and other Veritas products on Unix and Linux.

Recover servers from crash and hung state. Perform diagnostic and troubleshooting of OS issues.

Assist application team and DBAs with Unix issues in VxVm / VCS environment: freeze,

unfreeze, switch, online/offline, clear, fail over, troubleshoot and start application and

database resources on clusters and non-clustered servers. Assist to fix Oracle databases,

iPlanet, Tomcat, Apache, TSM, TWS, WAS, NetBackup issues.

Implement RAID and created disk groups, volume groups, logical volumes using VxVM on

Sun Solaris and LVMs on IBM AIX and Linux. Create and resize file systems.

Mirror the disks using Veritas Volume Manager and Sun Solstice Disk suite.

Administer network services such as AutoFS/NFS/NIS/NTP for UNIX/Linux Servers.

Set up UNIX/Linux environments for various applications. Installed TSM, TWS, WAS, NetBackup, Perl, Java and etc.

Troubleshoot and analyze hardware, network and OS failures for Linux, Sun Solaris, AIX servers

Perform on call support (24x7) for IBM Unix/Linux environment supporting Solaris/AIX/Linux,

Veritas Volume Manager and Veritas Cluster Servers.

Analyze system CPU, memory, disk and swap space utilization.

Create Unix /Linux shell scripts to automate system administration procedures.

Perform server’s security and health check per IBM standards.

Participate in Disaster Recovery exercises which verified IBM ability to implement a recovery strategy for catastrophic failure from backups.

Compucom & Infinal Technologies at Pfizer Inc. 11/05 – 7/08

Unix / Linux System Administrator / Network Analyst

Responsibilities:

Perform OS installation, upgrade, administration, configuration, maintenance, diagnostic, troubleshooting and tuning for Sun Solaris 10/9/8 and HP-UX 10.x/11x, Linux Red Hat 5.x

Perform installation and integration of new software/ releases, packages and patches

Perform installation, upgrade, configuration, administration, diagnostic, troubleshooting of Veritas Volume Manager (VxVm), Cluster Server (VCS), Legato Networker and diagnostic of SAN storage issues

Perform server’s recovery from crash/hung state, diagnostic of the issues and OS troubleshooting

Assist DBAs to fix Oracle issues and application team with troubleshooting of Java, Apache, iPlanet, Tomcat, and other critical applications

Perform backup issues diagnostics and troubleshooting for BCV volumes, Tivoli and UC4 on Sun Solaris and ignite backup troubleshooting for HP-UX

Install UC4 software on Sun Solaris servers

Perform flash archive backup troubleshooting, execution, OS restore from flash archives and file systems restores from snapshots and backup tapes

Perform NAS (Network Attached Storage) recovery, backup tapes and jukebox operations: deposit, inventory, mount/unmounts, and select volumes for recovery using Legato Networker

Perform off-site (in SunGard) Technical Disaster Recovery exercises (TDRP) which verify the PFIZER ability to implement a recovery strategy for catastrophic failure from backups: flash archives, BCVs, ignites

Assist vendor’s engineers with replacement of hard drives, HBA cards, memory dimms, CPUs, DVD drives, power supplies, controller peripheral boards, center plane support boards

Dynamically add, remove and reconfigure SCSI devices and LUNs in VxVm and VCS environment

Assist SAN administrators with EMC issues diagnostics such as failed paths, LUNs and create emcgrabs

Configure NAS storage using EMC Navisphere manager, created RAID groups, LUNs

Monitor CPUs, memory, disks and swap space utilization and adjusted threshold requirements using Nagios and Smarts monitoring software

Create, resize and manage file systems, volumes and groups using VxVm and LVM

Configure, perform maintenance and administration of NIS/NIS+, LDAP name services, DNS

Perform configuration, diagnostic and troubleshooting of network interfaces, IP addresses, ports.

Analyze network traffic using network protocols TCP/IP, UDP, ARP/RARP, DHCP and NFS

Create, manage user’s accounts and quotas. Install and configured sudo and ssh for secure access

Tune up kernel parameters for better performance

Install and configure print servers and network printers

Create Unix /Linux shell, Perl scripts to automate system administration procedures

Education:

MS in Computer Science,

Monmouth University Graduated in 2005

400 Cedar Ave.

West Long Branch, NJ, 07764, USA

Work Status: US citizen.

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