SUMMARY

• Over all 10+ years of IT Professional experience with Linux System Administration, Configuration Management, Build, Deploy, Release Management, Quality Assurance, Storage experience in administering Hitachi Enterprise storage arrays.
• Excellent understanding of SDLC methodologies like Agile, Waterfall, RAD, and other processes.
• Experienced in installation, configuration, administration, troubleshooting, tuning, security, backup, recovery and upgrades of Confidential AIX 5x, 6x, 7x, Win NT/2000 Server & Linux (Red Hat 5.5/6.3/7) in a large environment.
• Extensive working experience of managing, troubleshooting Confidential Power7, Power6 and Power5 (P520/P550/P5 55A/p5 52A/P750/P710) series systems.
• Coordinated different teams across multiple projects to deploy different builds to different environments, including Production & other AWS cloud based, on parallel development.
• Good knowledge in bash(shell)/Perl/Expect and exposures to Python scripting
• Experience in writing, Bash, Perl Shell scripting to automate system administration tasks.
• Experience in using console access mediums: XSCF, ILO, ILOM, ALOM and concentrators like lantronix.
• Experience in configuration of LUNs on Sun StorEdge arrays and knowledge of SAN infrastructure.
• Worked extensively on cross - platforms (windows-Unix) with SCM tools like Subversion (SVN), CVS, Mercurial and GIT.
• Hands on experience on build automation tools like ANT and Maven with working knowledge on other build tools like MS Build and CMake.
• Implemented Continuous Integration and deployment using various CI Tools like Jenkins, Hudson, Bamboo, Chef, Puppet and Sonatype Nexus.
• Hands on Experience with Perforce, Subversion, GIT, RationalClearCase.
• Highly experienced in AWS Cloud platform and its EC2, VPC, EBS features among familiarity with other services such as SNS, RDS, Cloud Watch, Cloud Formation, AWS Config, Auto scaling, Cloud Front, IAM and S3.
• Expertise in installing, configuration and administration of Tomcat 5.5/6.0/7.0, Web Sphere, JBOSS. Understanding of cloud based deployments into Amazon EC2 with Puppet and troubleshooting the issues.
• Experienced in Amazon EC2 setting up instances, virtual private cloud (VPCs), and security groups and managing IAM roles.
• Skilled at leading teams mentoring team members, establishing lightweight software configuration.
• Management and release processes to enable organization to build stable product quickly.
• Researching and conducting complex design and analysis of automated build systems
• Sound Knowledge on Shared and Managed Services - Network Managed Services and Internet of Things (IoT).
• Worked with change tracking tools like ITSM, JIRA, HP Service Center.
• Performed D Confidential base administration tasks for MS SQL server and hands on experience with Oracle and DB2.
• Developed and managed release management processes and procedures including approval checklists insuring software builds and releases meet business requirements, are installed correctly.
• Assist in of developers in the use of CVS and SVN, ClearCase, WebLogic, WebSphere and SCM best practices.
• Configuration and maintenance of NFS, Samba, Sendmail, LDAP, DNS, DHCP and Networking with TCP/IP on Linux and AIX.
• Experience in diagnosing and resolving TCP/IP connection problems.
• Experience in performance tuning, trouble shooting and resolving network issues, related to the servers.
• Experience with Solaris virtual technologies Zones and LDoms.
• Good analytical, problem solving, and communication skills with the ability to work either independently with little or no supervision or as a member of a team.
• Good interaction with developers, managers and team members to coordinated job tasks and strong commitment to work.

TECHNICAL SKILLS:

Languages/ Technologies: Java, C#, XML, HTML, Python, Shell Programming, JavaScript, JSP servlets, Ruby.

Operating Systems: AIX 5.3, AIX 6.1, VIO 2.2.2.10, VIO 2.2.2.2, SUN Solaris 9/10, Red Hat Linux 5.5/6.3/7.1, Windows Server, AIX 7.1, Ubuntu.

D Confidential base: Oracle 10g and 8i/9i, MS SQL, DB2 7.2/8/1/8.2,MongoDB, Cassandra.

Hardware: P520/P550/P555A/p5 52A/P750/P710 Confidential hardware, Esxi 5.0 HDS VSP, USPV/USPVM, Cisco MDS 9500 and 9100 Series, Brocade DCX Switches, SPARC T5-2, SPARC T5-4,TS 3500,TS3310 Confidential E880, E870.

Software/Tools: CVS, SVN, GIT, ClearCase, Mercurial, Perforce,MS Office Suite, Confluence.

Build Tools: ANT, Maven, and Make.

CI Tools: Jenkins/Hudson, Bamboo, AnthillPro, Puppet, Chef.

Bug Tracking Tools: Jira, Rally, Remedy, Bugzilla, ClearQuest.

Servers: Apache Tomcat, Confidential JBoss(6.0), WebLogic(12.02) WebSphere, Nginx.

Storage Management Tools: Hitachi Storage navigator, HCS 7/8, HTSM, UVM, HTNM, RAIDCOM, HUR, HDP, HDT, TC, SI.

Others: HACMP 5.5/6.1, GPFS, Active Directory, Yield Book, HMC V6/V7, CA Ehealth, TPM V7.1, CA Spectrum, Harvest, NetApp, Confidential Storage, Symantec NetBackup 7.1, LTFS EE V1.1.1.2 Cloud, AWS, Azure, openstack.

PROFESSIONAL EXPERIENCE

Confidential

Linux Admin

Responsibilities:

• Administration of company-wide network and system administration of UNIX systems and software packages, including hardware and software upgrade/patch evaluation and installation, and failover support.
• Coordinated weekly scheduled downtimes for equipment maintenance with Production.
• Designed and implemented system and network architecture and policies/procedures, and user environment/access.
• Monitored all the systems for latest Virus definitions and System and Security patch updates.
• Production and user/Support/administration script development in Bourne shell, C-shell, and Perl.
• Network management and configuration with DNS and NIS, with emphasis on user and company security based on User ID and network topology.
• Researched, installed and administrated O/S patches for Red Hat Linux systems.
• Production server installation/maintenance (SMTP, WWW, Samba, d Confidential storage) with RAID.
• Responsible for VeritasNetBackup consistency, and availability of applications for the developers on 24/7 basis.
• Log and system monitoring, installation of monitoring tools, and automated reporting to Support Personnel for process management and control.

Environment: Redhat 7.x, 8, 9, E220, VeritasNetBackup 4.1, Veritas Volume Manager 3.5, Veritas Cluster Server 3.5, Nagios.