SUMMARY

• Over 15+ years of Experience in UNIX Systems Administration in Solaris, HP - UX, AIX, Red-Hat and Centos Linux, Windows System and Database Administration in MySQL and UDB/DB2.
• Expertise in troubleshooting, monitoring, training and production support in mission critical environment.
• Extensive experience in administering NIS, NIS+, NFS, DNS, DHCP, Mail servers.
• Expertise in installing and configuring VERITAS Volume Manager, VERITAS Net Backup, RAID VERITAS Cluster Server, Sun Cluster Server and MC Service Guard.
• Extensive experience in UNIX and Database performance tuning Configuration.
• Extensive experience in Shell/Perl scripting.
• Experience in installing, configuring and maintaining Web Sphere Application Server.
• Expertise in creating and managing Logical Volume Manager in HP-UX and Red hat Linux.
• Expert in Installation, Configuration of Package and Patch Management.
• Expertise in package management using Red Hat RPM. Used RPM in several Linux distributions such as Red Hat Enterprise Linux, SUSE Linux Enterprises and Fedora.
• Experienced with installation, configuration of RAID volume management using VERITAS Volume Manager and Solstice disk suit on Solaris Disk accros & Quotas.
• Experience with IPMP (IP Multi-Pathing) using stmsboot (MPxIO).
• Utilized DTrace in Solaris 10 for Performance Tuning of the Operating System and User Programmers.
• Experience in Disaster Recovery and Planning.
• Experience in VMware. Installed and monitored Virtual environments with ESX 3.x servers and VirtualCenter 2.X
• Installation, configuration and administration of VERITAS Net Backup 4.x, 5.x, 6.x and 6.5.x.
• Worked with NIS, NFS, DHCP Server, and Samba in heterogeneous environment.
• Experience in Server build using Jumpstart, flash archive, NIM, Ignite and Kickstart.
• Proficient in archiving and backups. Using tar, cpio, dd, ufsdump, ufsrestore commands. Day to day administration of the Development environment and Production and Test environment systems.
• Experience in Storage with HDS (Hitachi Data System) Arrays and VTL (Virtual Tape Libraries).
• Extensively worked on solaris10 container technology, created local and global zones, modified local zone parameters.
• Solaris Live Update Technology associated with an operating system upgrade or maintenance.
• Having an excellent experience in configuring Zeta byte file system (ZFS) by creating pools, snapshots and clones.
• Extensive experience in creating LDOMS for Various System Resources.
• Planned and implemented Solaris upgrade from Solaris8/9 to Solaris10 which includes dismantling VERITAS Volume Manager/devices etc.
• Worked on Solaris 10 Container Technology, created and maintained local zones.
• Configured Users & Security administration, backup, recovery and maintenance of various activities.
• Advance level of experience in researching OS Issues, Applying Patches and opening the vendor Tickets.
• Capacity planning and recommending hardware for SAN implementation and replacements.
• Very Strong experience and understanding of NFS, Auto mounts, NIS+, NIS, DNS, TCP/IP, SMTP mail configuration and Printer configuration.
• Worked on backup software such as VERITAS Net backup, Omni backup tool for automatic backup and recovery.
• Extensive experience in installation of DB2 UDB (EE) for AIX/Solaris & Windows server. Developed and maintained compliance to database standards and procedures.
• Server Consolidation and Migration of Applications on Oracle and Java Applications.
• Experience in EMC Symmetric, Clarion and Brocade Fiber Switches.
• Helped to establish standards, policies and procedures for all aspects of UNIX server environment (e.g., configuration, administration, documentation, etc.)
• Experience in DAS, NAS & SAN technologies.
• A Good team player with ability to lead a team by example and motivate them to achieve desired objectives. Willing to take on extra responsibilities to get work done.

TECHNICAL SKILLS

Hardware: SPARC Stations (5, 10, 20),, SUNFIRE 3800/4800/6800 , E10K / 15K Series server, Sun V440, V490, IBM RS 6000 / S80 / M80 / H70 / H50 / H50 Series server, HP 9000,HP 7400, HP 8400, HP rp2470, HP k370,SUN Storage Array 00 & DLT 7000, DL 300

Operating System: Sun Solaris 8 / 9 / 10, HP-UX 11.0, 11.11, 11.23, 11.31, AIX 4.3 / 5.x, Linux (Red Hat 4 & 5, Centos 5, SuSE 9), Windows NT / / 2008.

Protocols: NetBIOS, NetBUI, SMTP, SNMP, ICMP, TCP/IP, FTP, HTTP, HPPPS, SSL, TELNET, UDP & RIP, DNS, WINS, DHCP.

Naming Services: DNS, NIS, NIS+

Backup Management: VERITAS Net Backup 4.x, 5.x, 6.x, 6.5x, ufsdump, ufsrestore, tar, dd, cpio

Script Languages: Shell Scripts, PERL 5.0, C++, Python

WEB Technologies: APACHE 2.x, 3.x, IPLANET 4.x / 5.x, WEBLOGIC & WEBSPHERE 4.0 / 5.0

Third Party Software: VERITAS Volume Manager, VERITAS Cluster Server, Sun Cluster, HP Service Guard, Send mail, SAR, EMC Storage, RAID Technologies, LVM, LDAP, FTP, SSL.

IP Address: Management of IP Address by sub netting the Network with configuration of Subnet Masking, Route Summarizing, VLSM, NAT.

Antivirus: Symantec Antivirus Corporate Edition, Trend Micro Messaging Suite for Exchange, MacAfee Virus Scan Engine 7.1 / 8i, AVG (Grisoft)

Remote Access Tools: Terminal Services, Net Meeting, Web - Ex, PC Anywhere & VNC for Windows Servers.

PROFESSIONAL EXPERIENCE

Confidential, Philadelphia, PA

Principal Devops and Systems Engineer

Responsibilities:

• Installation, Configuration and upgrade of Centos LINUX, UNIX & Windows, operating systems on private cloud VMware.
• Extensively worked on public cloud services on AWS like EKS,ECS, EC2, Lambda, S3, RDS, Route 53, IAM and etc.
• Extensively worked on Azure cloud on deplying virtual machines, AKS, ACS, Cosmo DB, Azure active directory etc
• Written several playbooks using Ansible for configuration management.
• Deployed several virtual machines to public and private clouds using terraform.
• Created several dahsboards of application and hosts on Grafana, Prometheus and Influxdb.
• Automated several jobs using CICD tools like Concourse, GitHub actions, Jenkins.
• Used security tools like whitesource, Checkmarx and sonar for software development to deliver better code to the production and securing the systems.
• Created ELK stack to send and collect the logs from all the applications.
• Created several dashboard on ELK to visualize the collected logs data.
• Hands on experience working with docker, kubernettes and containers.
• Created microservices and containers services.
• Extensively managing Github Enterprise supporting over 10k+ users.
• Scaled GitHub Enterprise from 250 users to over 12K+ users.
• Created a clustered GitHub enterprise platfrom to scale users over 5K+ and 12K+.
• Established a process to migrate repositories from GitHub Enterprise Server to GitHub Enteprise cloud.
• Migrated 1000+ repoistories to the GitHub Enteprise cloud.
• Automated the migration of GitHub repositories from GitHub Enteprise server to the cloud.
• Created an enterprise wide Jfrog Artifactory platform across the datacenter to store artifacts.
• Consolidated several Artifactory and Nexus platforms to the Enterprise Artifactory platform.
• Created a process for patch management using Spacewalk and RHN (Red Hat Network).
• Entensively worked on configuration management tools like Puppet, Ansible and moderately on chef.
• Extensively worked on Logical Volume Manager on Centos and RHEL operating systems.
• Installation and configuration of 11g R2 oracle RAC on Centos Virtual machines using RDM’s, NFS and ISCSI device.
• Installation and Configuration of Cloud NAS 2.0 and created backup solution.
• Installation and Configuration of Veeam backup, Veeam Reporter and Veeam Monitor.
• Installed and worked with Monitoring tools like OP5, Splunk, Mysql Enterprise Monitor, Oracle red gate and Cacti.
• Extensively worked on Application performance management tools like DynaTrace and New-Relic.
• Installation and Configuration of Apache, JAVA, Tomcat 6.0.XX and HTTP(s) applications.
• Extensively deployed various Web applications like Jira, Confluence, Bamboo, Fisheye/Crucible, Nexus and SVN.
• Installation and configuring Splunk 5.X.X and its client on several Centos OS vm’s.
• Configured dashboards, queries, alerts on Splunk.
• Installation, configuration and upgrade of MySQL 5.x on Centos OS.
• Configured Mater- Master Replication on MySQL and MariaDB on Centos OS.
• SENDMAIL configurations and administrations, testing the mail servers.
• Improve automation and productivity of backups through scripting enhancements.
• NFS configuration and ISCSI devices from Netapp on several virtual machines.
• Provided 24x7 supports on call.

Environment: Red-hat 4.X,5.x,6.x,7.x, Centos 5.x,6.x,7.x VMWARE ESX 4.X, Shell Scripting(bash), SENDMAIL protocol, LVM, Apache 2.x, 3.x, Windows, Netapp.

Confidential, Philadelphia, PA

Systems, Tools and Core services Administrator

Responsibilities:

• Installation, Configuration and upgrade of Centos LINUX & Windows XP, VISTA, 2003, 2008, 7 on VMware ESX4/Vcenter 4.0.
• Installed and monitored VMware Virtual environments with ESX 4.x servers and Virtual Center 4.X.
• Allocating resources to VM’s through hot add in Virtual Center 4.x.
• Installation and Configuration of virtual machines of Centos 5.6, Red-hat 5.x, Solaris 10, windows 2003.2008 and XP.
• Extensively worked on Amazon AWS Services.
• Installation and configuration of Open DJ LDAP on Centos 5.6.
• Patch management using Spacewalk and RHN (Red Hat Network).
• Installed and Configured Puppet on Centos 5.x and managed all the servers through puppet.
• Extensively worked on Logical Volume Manager on Centos 5.x and RHEL 5.x.
• Installation and configuration of 11g R2 oracle RAC on Centos Virtual machines using RDM’s, NFS and ISCSI device.
• Installation and Configuration of Cloud NAS 2.0.
• Installation and Configuration of Veeam backup, Veeam Reporter and Veeam Monitor.
• Installed and worked with Monitoring tools like OP5, Splunk, Mysql Enterprise Monitor, Oracle red gate and Cacti.
• Extensively worked on Application performance management tools on DynaTrace and New-Relic.
• Installation and Configuration of Apache, JAVA, Tomcat 6.0.XX and HTTP(s).
• Extensively deployed various Web applications like Jira, Confluence, Bamboo, Fisheye/Crucible, Nexus and SVN.
• Installation and configuring Splunk 5.X.X and its client on several Centos 5.x.
• Configured dashboards, queries, alerts on Splunk of Syslog data in servers.
• Installation, configuration and upgrade of Mysql 5.x on Centos 5.x.
• Configured Mater- Master Replication on Mysql 5.x on centos 5.x.
• SENDMAIL configurations and administrations, testing the mail servers.
• Improve automation and productivity of backups through scripting enhancements.
• Scheduled automated jobs through CA Auto-sys, Crontab and at jobs.
• NFS configuration and ISCSI devices from Netapp on several virtual machines.
• Provided 24x7 supports on call.

Environment: Red-hat 4.X,5.x, Centos 5.4,5.6, VMWARE ESX 4.X, Shell Scripting (Ruby,Korne & Bourne), SENDMAIL protocol, LVM, Apache 2.x, 3.x, Windows, Netapp.

Confidential, MI

UNIX and Database Administrator

Responsibilities:

• Installation, Configuration and upgrade of Solaris 10, 9, 8, 2.x, HP-Ux 10i, 11i, Red Hat Linux 4.X, 5.X, AIX 5.x, Windows XP and OS/2.
• Installation of DB2 UDB on AIX 4.3.2, Solaris10, 9, 8, Linux 4.X, 5.X and Windows OS.
• Expertise in VERITAS Cluster Server 4.0/3.5/2, Sun Cluster 3.0/2.2, HP MC/Service Guard A 11.01/10.11
• Good experience in installation, configuration and maintenance of Sun servers and Solaris Operating Environment Solaris 2.x, 7, 8, 9 and HP Servers with HP-UX 10.20 and 11.00.
• Experience in configuring and trouble shooting of Custom Jumpstart services on multiple servers.
• Experience with High Availability Services like VERITAS Cluster Server 4.0.
• Experience in configuration of NFS and Naming services like NIS and DNS on HP servers HP rp2470 and HP k370.
• Performing Volume Management using VERITAS Volume Manager 4.0/3.x and Solstice Disk Suite 4.x. along with RAID.
• Extensive experience with working on Sun Volume Manager. Creating Meta devices, soft partitions, mirroring the devices and Metastats.
• Extensively worked on solaris10 container technology, created local and global zones, modified local zone parameters.
• Extensively worked on Smitty on AIX.
• Installation and configuration of Solaris ZONES.
• Performed automated installations of Operating systems using Jumpstart, Flash Archive for Solaris10.
• Installation and Recommendation of OS Patches and Several all other Patches and Packages.
• Migration of Applications from Solaris 8 to Solaris 10.
• Solaris Live Update Technology associated with an operating system upgrade or maintenance.
• Performed Shell (ksh) scripting for day-to-day administration of system.
• Extensive Experience in System monitoring, Performance tuning and OS hardening to secure the Solaris environment. Administered tasks like user and password management, allocating quotas to users as well as system startup and shutdown, monitoring and partitioning.
• Performed various tasks like administering, monitoring and troubleshooting Solaris 2.6,7, 8, 9, 10, Red hat 3.x, 4.x, 5.x.
• Installation, upgrade, configuration and management of a large network environment consisting of Sun servers (Sunfire 6800, 4800, v480, E6500, E5500, E3500, E450), Sun workstations (Ultra 10, 20).
• Setting up and maintaining NFS, DNS (Master/Slave).
• Setting up NIS including configuration and trouble shooting of master, slave servers and set up of the clients.
• Implementation of RAID techniques and the creation of Disk groups and volumes, Plexes using VERITAS Volume Manager 4.1. Managing disks and file systems using VERITAS Volume Manager.
• Configuring HA using VERITAS Cluster Server 4.0 for agents like NFS, Send mail and MQ Series.
• Installing DB2 on client machines, performance tuning, database modeling and database design of the production databases.
• Running the import, export and load scripts and sent to the log files development team.
• Performed setup and configuration of Install Server, Configuration Server and Boot Server for Jumpstart process.
• Performed custom Jumpstart to install Sun OS on multiple Sun Servers/workstations to simplify administration tasks
• Creating System Disk Partition, Mirroring root disk drive using VERITAS Volume Manager.
• Creating Backup account for new users and Deleting account for the retired or deleted users
• Maintaining and recycling backup Tapes upon request from company.
• Performance monitoring and tuning for DB2 databases.
• Setup, Installation, configuration of Solaris 7, 8 with NIS, NIS+ and NFS facilities.
• Patch and package administration for installation of patches as per the company policy and installation of packaged application.
• Worked on DNS. Was involved in the configuring Master and Slave servers for the domain and making zone files.
• Configuring the NIS master, NIS Slave and configuring the NIS clients.
• Implementing file sharing on the network by configuring NFS on the system to share essential resources.
• Proficient in configuration of VERITAS Cluster Server (VCS), fail over test of VCS groups, adding/modifying VCS resources such as File Systems.
• Thorough experience on VERITAS Storage Foundation, VERITAS Volume Manager, VxFS, Sun Cluster, VERITAS.
• Installation, configuration and administration of VERITAS Net Backup 4.x, 5.x, 6.x and 6.5.x.
• Experience of Storage Area Network/SAN.
• Experience on Storage arrays such as EMC Symmetrix.
• Troubleshooting Sun Solaris problems, logging call with Sun, Involvement in Racking servers.
• Installation & configuration of Solaris, Jumpstarting servers, Shell Programming, Creating zones for application.
• Interacting with various teams such Oracle database team, Run UNIX support team, Backup team.
• Building Sun Solaris Servers from scratch with Jumpstart & Flash Archives for upcoming projects.

Environment: Solaris, HP-UX10i,11i,HP rp2470, HP k370, Red-hat Linux 4.X,5.X, UDB DB2 V8.X EEE/ESE, Sybase Sun Fire 280R Server, Sun Fire V480 Server, Sun Enterprise 450/420R/250 Servers, Ultra Enterprise 2/1 Servers, SPARC server 1000, SPARC server 20 Enterprise Servers, SPARC server 1000/20, HP 9000 K,L,N class server and Tarantella product release version.5.0.

Confidential

System and DB2 Administrator

Responsibilities:

• Installation, Configuration & Upgrade of Solaris, HP-UX, Red hat Linux and Windows-NT OS.
• Configured and maintained Solaris OS on Sun Enterprise Servers and Sun SPARC Servers.
• Responsible for day-to-day System Administration for SUN SOLARIS servers.
• Build the E450 and 6000 Servers with Solaris operating system.
• Storage setups, RAID, Logical Volume Manager, system backup design and disaster recovery.
• Systems performance monitoring and Responsible for troubleshooting end user and application problems.
• Solaris Operating Systems upgrade, package installations, updates, patches and software fixes.
• VERITAS File system and VERITAS Volume Manager are used to configure the RAID 1 and RAID 5 Storage Systems.
• Extensive experience in working with Logical Volume Manager in Red Hat Linux 3.x, 4.x and HP-UX.
• Used Admintool in Solaris to perform routine administration tasks.
• Windows Server 2000 System Administration experience.
• Configured NIS Master and Slave servers and NIS clients.
• Customized the Make file to include more Setup and maintained DNS Primary, Secondary, Cache-only servers, DHCP servers and DNS clients.
• Designed and Performed Custom Jumpstart Installation and Flash Archive over network and created, maintained install server, boot server and profile server.
• Migration of Applications on Oracle and Java Applications.
• Solaris Live Update Technology associated with an operating system upgrade or maintenance.
• Performed Shell (ksh) scripting for day-to-day administration of system.
• Configured NFS Servers, Diskless clients and Auto clients and auto mounted the file systems using direct and indirect maps. Also setup entries in /etc/dfs/dfstab in Solaris share file systems and mounted the disks onto the client systems.
• Created and expanded File Systems on demand from DBA's using VERITAS volume manager and also using native UNIX utilities.
• Designed File System Layouts to improve Performance and Reliability of Oracle databases using VERITAS volume manager.
• Configuring and maintaining Print Server using LP print service commands and AdminTool a Graphical user interface used to manage printing on a local system.
• Configured local and remote printers. Activated printer daemons and queues. Setup default printers and permissions depending on user groups.
• Analyzed and troubleshoots bottlenecks involving Memory, CPU, and Devices and Network using ps, vmstat, iostat, netstat, snoop and nfsstat command, tuning the performance.
• Troubleshooting System, Network, and Operating System issues.
• Installation, adding and replacement of disks, cards and maintenance of SUN.
• Implemented NFS, DNS Server.
• Monitoring System performance, tune up kernel parameter
• Maintenance of NFS server with auto-mount.
• Writing shell scripts to automate system process.
• Take daily backup and data from the server.
• Adding more resources like memory & CPU’s and increasing swap.
• Created physical and logical volume groups using Logical Volume Manager.
• File and Print Server installation, supports and troubleshooting.

Environment: Solaris 8,9, Linux 4.x, AIX, HP-UX and Windows NT, Sun Enterprise E35000, 450/420R/250 Servers, Ultra Enterprise 2/1 Servers, SPARC server 1000, SPARC server 20 Enterprise Servers, SPARC server 1000/20, SPARCstation 10, Sun Sparc Ultra 1, 5, 10, VERITAS File System 3.0, VERITAS Net Backup 5.X,6.X and ORACLE.