SUMMARY:

• Overall 19+years of IT experience with over 17+ years of UNIX Administration.
• Unix Administrator with extensive technical experience supporting high pressure environment in financial organizations.
• Demonstrated exceptional performance in handling fast paced dynamic environment working independently as well as within a team.

TECHNICAL SKILLS:

Operating Systems: Red Hat Linux 6.x/7.x, Aix 6.1 and Solaris 8/9/10.

Programming: Bourne/Korn/Bash shell, Sed, Awk, Python and Yaml.

Software s: Ansible, MariaDB, CDH5.7.1, GIT, ControlM, AutoSys, Kickstart, Kerberos/Active Directory, LDAP, TLS/SSL, Veritas File System, Jumpstart, LiveUpgrade, Solaris Zones, EMC PowerPath 5.x and ServiceNow.

Hardware s: Dell R720xd/R730xd, HP ProLiant BL460c Gen8/9, Confidential P795 Server, Sun Enterprise T5120/T5220/T5240 and EMC Symmetrix.

PROFESSIONAL EXPERIENCE:

Confidential, NJ

SR. Linux/DevOps Administrator

Responsibilities:

• Developed and supported the Red Hat Enterprise Linux based infrastructure in the AWS cloud environment.
• Managing Amazon Web Services (AWS) infrastructure with Ansible
• Created and launching EC2 instances using Ansible.
• Working experience with Docker components like Docker Engine, Hub, creating Docker Images and multiple containers using Docker Compose.
• Configured and Managed Hadoop cluster, Docker containers and Linux environment via Ansible
• Installed and configured GIT, nginx, MemSQL and Vertica.
• Installing and Configuring using Hadoop ecosystem components like Zookeeper, MapReduce, YARN, Spark, HDFS, HBase, Hive,Spoop1/2, Pig and Flume
• Hadoop cluster expansion, upgrade and administrator
• Working with Hadoop Active/Passive cluster environment (NameNode/Secondary NN/Utility Node/DN)
• MySQL - HA setup and configured for the hadoop cluster
• Involved in installation, configuration, upgrading, patching and administration of RHEL 7.3 servers
• Configured Kickstart for Redhat Linux 7 to perform image installation across the network
• Automount home directories over NFS in linux

Confidential, NJ

SR. Linux/DevOps Administrator in Big Data team

Responsibilities:

• Upgrade Firmware, BIOS and OS using Ansible
• Working experience with configuration management systems Ansible
• Working experience with supporting low latency environments running 10g ethernet
• Decommission and Rebuild the Linux Server using ISO image, Cobbler and FAST Track
• Troubleshooting Disk, Virtual Disk bad blocks, Keon login, Memory/CPU and SFTP issues
• MySQL-HA setup and configuration, Install and upgrade CDH 5.3.2, 5.5.1 to CDH 5.7.1, PostGreSQL, Greenplum client, Oracle/DB2, TeraData, Control M, Autosys, Install python/R-core, Elastic Search, EPV-AIM, JAVA.
• Replace the failed Disk using MegaCli64 for Nytro MegaRAID and PERC controller
• Involved in installation, configuration, upgrading, patching and administration of Red hat linux
• Installing, Configuring and expansion using Hadoop ecosystem components like Hadoop, MapReduce, YARN, Spark, HDFS, HBase, Hive,Spoop1/2, Pig, Zookeeper and Flume.
• Finance domain knowledge with Change Management standards and process
• Responsible to work non- Confidential hours when necessary to resolve problems and deploy infrastructure

Confidential, NJ

SR. UNIX Administrator

Responsibilities:

• Involved in installation, configuration, upgrading, patching and administration of RHEL 5.0/6.0 servers.
• Experience in Logical Volume Management on LINUX with LVM.
• Configured Kickstart for Redhat Linux, NIM for AIX and Jumpstart for Solaris to perform image installation throughout network.
• Involved in configuration and troubleshooting of bonding on Linux Servers, Etherchannel on Aix Servers and Multipathing Solaris.
• Worked with RedHat Linux tools like RPM, YUM to install packages and patches for RedHat Linux Servers.
• Involved in installation, configuration, patching and administration of Aix LPARs and WPARS (5.2/6.1).
• Involved in system migrations from Solaris to Aix and Aix to Redhat Linux environments.
• Monitored system performance using SAR, top, IoStat, topas, svmon, vmstat and filemon.
• Worked extensively on VxVM, Solaris Disk Suite and VERITAS Cluster.
• Ability to work within a high-availability environment designed with redundancy and diversity to deliver services with little to no impact to end-users during system problems and failures.
• Experienced in DNS, NFS, FTP, LDAP, Remote access and system troubleshooting skills.

Confidential

UNIX System Administrator

Responsibilities:

• Built the sun servers with Solaris O/S, Veritas Volume Manager and VCS
• Upgraded Solaris Operating System to Solaris 9, Veritas Volume Manager 4.0 and File System using Live upgrade and jumpstart
• Installation and configuration VERITAS Cluster Server 4.1 Software
• Updated packages and patches on regular basis
• Implementation and configuration of OpenSSH, for using sftp, SCP & SSH
• Provided onsite or remote off-hour support for UNIX environments as required

Confidential

UNIX System Administrator

Responsibilities:

• Upgraded the Solaris Operating System to Solaris 9, Veritas Volume Manager 4.0 and File System.
• Installation and configuration VERITAS Cluster Server 3.5 Software
• System monitoring and applying relevant patches, Firmware on regular basis
• Flash Archived tape backups are used to recover the OS during offsite TDRP (Technical Disaster Recovery Process/Plan)
• Performed root cause analysis of critical errors and outages
• Monitored, troubleshoot and recovered from Type-2 BCV (Business Continuity Volume) backup jobs
• Troubleshoot TCP/IP, SSH, NIS, DNS, NFS, Auto-mount, TELNET, and FTP
• Fine-tuned kernel parameters and performance tuning using SAR, top, prstat, netstat, vmstat and IoStat

Confidential

UNIX System Administrator

Responsibilities:

• Installed, configured and documented Veritas Cluster Server on Solaris for Go Web application with VERITAS Volume Manager and Built up High Availability Cluster
• Maintained backups using Legato Networker
• Responsible for swap memory management, OS patch scheduling and regular patch installation.
• Installed, configured, documented and troubleshoot Go Web software for wireless motion devices
• Wrote a shell scripting using Bourne shell and Korn shell
• Troubleshoot TCP/IP, SSH, TELNET, FTP, NFS and NIS

Confidential

UNIX System Administrator

Responsibilities:

• Installed and configured Solaris 2.5.1 servers with Veritas Volume manager for attached storage.
• Upgraded Solaris servers for Y2K Project by adding packages and patches.
• Coordinated software installation and upgrades to ensure work is performed in timely manner and in adherence to company policies
• Administered backup/restore using Legato Networker, read and analyzed various log files to troubleshoot backup failures.
• Mirrored boot drive using ODS for redundancy and also detach/attach mirrors in case of disk failure.
• Worked with our vendors for resolution of problems beyond our service coverage.

Confidential

UNIX System Administrator

Responsibilities:

• Installed and configured the sun servers using Solaris 2.6
• Upgraded servers for Y2K Project and Installed packages and patches
• Mirrored the boot-drive using Online Disk Suite
• Backup and Restored the file system using ufsdump, ufsrestore and dd