Information Technology Technical Support

Rajeev Ranjan

**** **** ******* ****

Unit number: - 1157

Phoenix, AZ-85021

Mobile: -+1-602-***-**** Email id: *************@*****.***

Career objective: To develop and utilize expertise in Hadoop Administration (Big Data), Linux, Security, and Internet technologies and pursue a challenging career in the information technology industry. I would strive to gain a position of high responsibilities to achieve organizational goal.

Profile: -

Over 15 years of diverse experience in the technology industry with a focus on Infrastructure Projects Visionary IT professional with a track record for defining, building and optimizing best-in-class IT infrastructure and global operations. Well versed in defining enterprise technology strategies and solutions such as virtualization, automation and consolidation that reduce costs, improve efficiencies, support organizational goals and maximize technology investments. Highly valued strategic partner at the top management levels with experience in BFSI, Telecom, BPO and Engineering sectors

Career Summary:

1.More than 15 years of IT experience with one years as Hadoop Administrator

2.Proven expertise in working on Red Hat Linux, Suse Linux Administration and VMware.

3.Excellent Presentation skills on Linux.

4.Hands on Disaster Recovery on Linux.

5.Good Knowledge on Networking and Hands on experience of Building Data Centre

6.Hand’s on experience with Dell Server’s, HP hardware, IBM Series server and Sun server’s.

7.Ability to deliver quality solutions under pressure.

8.Sound knowledge to manage the datacenter.

9.Well versed with System Integration, IT Operations, Change Management Incident Management, Problem Management, Capacity Management and Vendor Management.

10.Excellent technical and organizational skills, with ability to communicate, present & effectively impart technical information / training.

CORE COMPETENCIES

Platforms: Linux, SLES, RHEL, Parallels Bare Metal, OEL, Unbreakable, Exalytics systems

BigData: - Hadoop Administration, spark, Scala

Virtualization: Parallels Server Bare Metal, Parallels Virtual, Oracle Virtual Machines, ESXi (VMware), vBlock, AWS (Amazon Cloud), Microsoft Azure

High Availability: Veritas Cluster Server, EMC Powerpath, OCFS

11.

12.

Backup and Monitoring Tools: Foglight, BigBrother, HP Open View, Commvault and Netcool, Nagios

Mail Server: Send Mail and Postfix

Professional Certifications:

a.ITIL (Information Technology Infrastructure Library) Certified (2006)

b.Red hat Certified Engineer (2006)

c.VMware certified associate- Cloud (2014)

d.Cloudera certified Administrator (Hadoop Administrator) –CCA-410(2014)

Academics

Bachelor of engineering in electronics and communication from Delhi institute of engineering and studies.

EMPLOYMENT Detailed

Computer science Corporations (Designation: - Professional system administrator)

16th September 2010 to Present (Working onsite from 15th Nov 2016)

Working as Linux and Hadoop administrator

Taking care of 200-node of Hadoop cluster. And 2000 Linux server

Taking care of Hadoop implementation, Daily job and Health issues

Performance Tuning and Security of Hadoop Cluster

Daily scrum conference call with Toyota managers

Data node addition and removal

Taking care of Secondary Name node

Performance tuning of jobs

Resolving issue logged by application owner

Monitoring and Alarm generation on time

Responsible for ongoing, effective communication of UNIX (Solaris, Red hat Linux, Linux Suse and VMware instance) Storage.

Responsible for engaging and managing relationships with 3rd party suppliers.

NIIT-Technology (Designation: - Team Leader)

March 2008 to Sept 2010

Roles and Responsibility: -

Providing 24X7 support to US based financial client for all the environments (more than 1000 of UNIX (Linux/Suse) servers.

Arranging sessions and KT for team members

Responsible for remote co-ordination with h/w vendor for maintenance activity like HBA replacement, disk replacement on Solaris/Linux on various Sun hardware (Sun Fire series, Sun Enterprise series, M5000, Sun Netra etc.)

Hands on experience on Cluster heartbeat related problem, IPMP multipathing, Linux bonding, power path related issues

SAN related troubleshooting and HBA failure replacement

Administration/troubleshooting of send mail server’s/DNS server’s/NIS server administration and break fix whenever necessary

NAS NetApp filer administration

Wipro (InfoTech Division) (Designation: - Technical Specialist)

August 2006 to 16th March2008

Designation: - Technical Specialist in Server Management Group.

Working as Tech Lead and handling a team of 7 people for technical escalation

Providing Level-3 Technical Support to more than 300 mission critical UNIX Servers running Database & Applications on all platform of Linux

Performing system administration tasks like Patch/Package Management, User Access Management and Control and File System Management.

Performing various scheduled and emergency changes/tasks as per client change management policies related to environment builds etc.

Monitoring system resources including CPU, Memory, Disk and Network etc. through automated tools, to ensuring system health.

Worked on defining new Technical Run Books, Standard Operating Procedures and Key Operating Procedures.

Managing disk space issues, application installations, performance monitoring and tuning.

CSAV India (Designation: - System administrator)

15 Jan 2005 to Oct 2005

Implementation and setup of N/W for CSAV in India operations.

Providing technical support to all user and local system administrator across India.

Installation and configuration of Linux suse server, configuring postfix mail server, configuring LDAP on red hat Linux.

Creation of IMAP and LDAP user.

Network monitoring.

Managing nautilus and others account package.

Sysnet Technologies pvt ltd. (Designation: - Customer Support Engineer)

Feb 2000 to Jan 2004.

Managed installation, Configuration and middle level administration of Linux server

Involved in installation and maintenance of Compaq desktop and Digital PC’s

Tracking the backup and Restoration of data on windows NT,Win 2000 and Linux

Bilingual communication: English and Hindi

Passport: - M6779810

Visa Status: - H1B

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