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Linux admin

Location:
Menomonee Falls, Wisconsin, 53051, United States
Posted:
February 25, 2018

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Resume:

RAJBIR SINGH

(Associate Operation Manager)

Email-ID – ac4lpa@r.postjobfree.com

Mob No. +1-781-***-****

Menomonee Falls, WI 53051

OBJECTIVE: Seeking a challenging position as UNIX/LINUX Admin

PROFESSIONAL SUMMARY:

12 Years 1 Months Experience in UNIX Administration

Experience in Shell scripting and Puppet automation.

Plan and execute Linux infrastructure projects Within approved timelines

Working on Server Build’s, hardening. Develop server security standards

Satellite Server Management, Linux OS Patching and Package Management

Creating Documentations/SOP’s. Updating Knowledge-based updating (Wiki, CMDB etc.)

Working on Virtualization: VMWare, managing & Patching ESX, vMotion / Storage vMotion.

Xen to VMware migration.

Experience Managing Data Center with huge number of Production Server’s (virtual & Physical)

Working on ITIL Standards (Incidents, Problem tickets, Change request, SR’s). Maintaining defined SLA and Escalation process.

Co-ordinate with vendors/team, applying bug fixture with vendor supplied patches

Working Knowledge of Ticketing Tools like Remedy, ServiceNow and more…

CERTIFICATION

Linux 6 Presales Specialist -- Sep 2013

Linux 6 Certified Implementation Specialist -- Nov 2013

Solaris 11 Certified Implementation Specialist -- Aug 2013

Sparc T5-Based Servers Implementation Specialist -- Aug 2013

VMware Certified Associate Data Center Virtualization -- Nov 2013

ITIL V3 Foundation Certificate in IT Service Management (EXIN). April, 2009

SCSA Sun Certified System Administrator – Sun Solaris 9. August, 2007

MCSE Microsoft Certified Systems Engineer – 2003 Server. August, 2007

Other Professional Certification (Company specific):

Real-World Scrum for Applied DevOps

Quality Management Systems (QMS)

Shared ID Re-justification & Password Management Process

System Server Operations Assessment

Strategic Outsourcing Delivery

Statement on Auditing Standards

Root Cause Analysis

Security Operations Management

Risk Management

Identity & Access Management

Incident Handling Process

Security Operations Management Enterprise

EDUCATION

Bachelors in Computer Science & Engineering, MDU Rohtak, Haryana (2004)

Post Graduate Diploma in System Administration, C-DAC, Noida (2005)

ACHIVEMENTS

“Certificate of Recognition” for my diligent & hard working toward Unilever project.

BRAVO award” for My outstanding performance in Unilever Project

PROFESSIONAL EXPERIENCE

Cognizant Technology Services. April-2016 – Till now

Roles and Responsibilities in Kohls:

Onsite Infra Specialist.

Develop procedures for Linux security and Performance improvement.

Installation, Configuration, Maintenance and Administration of RedHat Enterprise Linux.

Satellite Server Management: Creating Channels, Clone Channels, create system Group to schedule OS Patching

Work on Puppet automations.

Identify and resolve system issues in a timely manner

Co-ordinate with Vender for any Hardware Faults

Plan and coordinate the installation, testing, and maintenance of Linux systems Software and related hardware.

Plan and execute Linux infrastructure projects Within approved timelines

Fujitsu America Inc., Feb-2012 -- April 2016

Roles and Responsibilities in Harvard University Project:

Offshore team Management

Managing 4 Data Center’s with almost 3000 Server’s (including vm’s, Physical, SPARC boxes)

Involved in all Planning, Architecture, System Admin aspects of Linux Administration

Installation, Configuration, Maintenance and Administration of RedHat Enterprise Linux 5/6.

Satellite Server Management: Creating Channels, Clone Channels, create system Group to schedule OS Patching. Schedule SSM (System Set Manager) in RH Satellite to push security Bugs OR automate OS Patching.

Linux OS Patching and Package Management via Satellite Server and Solaris OS Patching

Co-ordinate with Vender for any Hardware Faults

Troubleshoot NFS, Samba issues in Linux.

File system Administration, setting up Disk Quota, configuring backup solutions.

Managed Disks and File systems using LVM on Linux.

Troubleshooting Day–to-Day issues with various Servers on different platforms.

Troubleshooting logon, boot process. Configuring and Granting sudo Access for Users, Groups

Implementing IPtables rules, TCP Wrapper, for security purpose.

Work with Oracle Database, and Network teams to ensure the smooth migration of the servers.

Monitor Linux Server for CPU utilization, Memory Utilization and Disk Utilization for performance monitoring.

Utilize Enterprise Change Control system to schedule server/environment changes

Support to Oracle DBA's/Application team to resolve their issues and Migration activities etc.

DR testing and documentation

On-call 24x7 rotational support

Virtualization:

Check the health of all Hosts and VM objects in vCenter for active alarms in vCenter

Check resource bottlenecks (Memory, CPU, Disk, Network) via vcops-vsphere tool

Check for Firmware updates on Host hardware

Working on Update Manager for ESX Patches: Create Baseline, Attach Baseline, Scan, enter in Maintenance Mode, Remediate the ESX server, Exit Maintenance Mode

Identify the existence of VMs snapshots and follow up to see if they are still needed.

Xen to VMware Migration, P2V Migration

Worked on virtualization including VMWare ESX, ESXi, Virtual Center, P2V assistant, vMotion, Storage vMotion

Automation Tool: Puppet

Adding/Removing Puppet client

Monitoring failed jobs in Puppet Console

Creating Node file, Manifests, Class

Create own repository via GIT & SVN and Merge to Production

Monitoring tool: Nagios

Monitoring the alerts

Adding/removing the system to Nagios

Disabling / Scheduling downtime for the alerts

IBM India Pvt. Ltd. Jan-2011 -- Feb-2012

Roles and responsibilities for BCBS MA and Bell Canada Client:

I was working as Oracle Solaris SME profile for these Clients.

I also took lead in ISec Project for these projects to identify defects, risks and security audits.

Worked on Sparc Enterprise Server’s includes M Series, T series and V series Server’s

OS Patching including Live Upgrade

Vender Co-ordination for any Hardware issue.

Fujitsu Consulting India May-2010 -- Jan 2011

Roles and responsibilities for SAP AG and PWC Client:

Following ITIL standard.

Working on tickets, maintaining defined SLA and escalation of issue.

Customer communication (Weekly Client meets and daily offshore meets).

Working on Incident/Problem, RFC’s, Service Request and Change Management

Build and rebuild of OS servers

User administration and all other OS troubleshooting.

File System administration (LVM/SVM) and Server Management

Patch and package management.

Shell scripting (automation of jobs).

Knowledge-based updating (Inetwiki, CMDB etc.)

Mahindra Satyam Jun-2007 -- May 2010

Roles and responsibilities in Unilever Project:

Following ITIL standard and using Remedy (V4 and V6).

Working on tickets, maintaining defined SLA and escalation of issue.

Customer communication (Weekly Client meets and daily offshore meets).

Incident/Problem Management, RFC’s, Service Request for any IT infrastructure issue/change and co-ordination with Change Management

Build and rebuild of Linux servers

User and group administration.

Shell scripting (automation of jobs).

Knowledge-based updating (Inetwiki, CMDB etc.)

Support web support application (Apache, Tomcat and IIS)

Managing load balancers.

Patch and package management.

Managing and Monitoring the Tools likes Sitescope

Monitor and analyze the servers for availability, performance, errors & security

Roles and responsibilities in State Bank of India Project:

Most of the responsibility includes as above

As this financial domain project so our focus is toward no downtime and meet response/resolution time

Mahindra Logisoft Business Solution Ltd Aug-2006 -- Jun 2007

Roles and responsibilities in Mahindra & Mahindra Project:

Following ITIL standard and using HP OpenView.

Working on tickets, maintaining defined SLA and escalation of issue.

Incident/Problem Management, RFC’s, Service Request for any IT infrastructure issue/change and co-ordination with Change Management

Handling Servers and network. H/W & S/W troubleshooting.

Working for Global Support in DR Center Mahindra and Mahindra.

Linux/Windows Servers Installation, Maintenance and Administration

VMware support and installation Virtual Machines.

User Management in Linux as well as Windows (Active Directory).

Working on tickets, maintaining defined SLA and escalation of issue.

Appling patches and packages (including security)

Shell scripting for automation jobs like Log Monitoring, Disk Usages etc.

Data Backup and Restoration

DCM Data Systems Dec-2005 -- Jul 2006

Roles and responsibilities in UPSC and Election Commission of India Project:

Operating System Administration Support and Hardware Support

Maintenance of Various Software related to Exams Conducted by UPSC

Manage Server/desktop Hardware and support infrastructure.

Rajbir Singh



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