SUMMARY:

• Skilled proficient with 12 years of Strong foundation in Linux/Unix Administration, build and release management, Cloud Implementation all inside that suites the necessities of a situation under Devops and involvement in Continuous Integration & Deployment process.
• Hands - on experience in designing, configuring, and managing high Availability clusters (SUN and VERITAS).
• Excellent shell programming ability and solid experience in hardware installation and maintenance, software integration and packaging, quality assurance and testing, TCP/IP network administration, and Web administration.
• Expertise in capacity planning, performance analysis, kernel tuning, troubleshooting, and debugging OS related problem.

TECHNICAL SKILLS:

Hardware: Sun Ultra Enterprise E10k, E6800, E6500, E6900, E280R, E450, Sun Fire 12k/15k V 240/440/480/490/ X4100/X4200, Sun T1000/T2000, T5220/T5240, M4000/M5000 Ultra 10/20/60 HP Proliant 9000 Series, HP Intel Servers DL 380/580, IBM System X series, DELL 1950/2650/2850/6850 SCSI, Fiber Interfaces.

OS: Sun Solaris 8/9/10/11, RHEL 3/4/5/6, HP-UX 11.0/11.11, Windows 2000/2003, VMWare ESX Server.

Software: Sun Solaris Custom Jumpstart, Linux Kickstart, NIS, NFS, Automounter, DNS, DHCP, TCP/IP, VERITAS Volume Manager, VERITAS Cluster server, VERITAS Netbackup, Oracle, Apache, Tomcat, SSH, Samba, FTP, LVM, RPM.

Languages: C, SQL, Shell scripting (bash & ksh), Perl.

Cloud Tools: AWS, Open Stack, JIRA, Packer, Vagrant, GIT, Puppet, Supervisor, Docker.

PROFESSIONAL EXPERIENCE:

Confidential, NY

Devops Engineer

Responsibilities:

• Managed Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Puppet, or custom-built & designing cloud-hosted solutions, specific AWS product suite experience.
• Worked with developers to agile processes and tools, such as branching, source control structure, dependency management, Linux server build infrastructure, code review, and check-in policies, that are developed and instrumented by Devops teams across projects.
• Created profiles, manifests for new servers, and pushed them to servers using puppet.
• Provided solutions to the development team to gain root access on test machines managed by Puppet in order to make specific configuration changes.
• Deployed and monitored scalable infrastructure on Amazon web services (AWS) & configuration management using puppet.
• Proficient in using all Amazon Web Services including EC2, EBS, IAM, S3, ELB.
• Worked with JIRA for creating Projects, assigning permissions to users and groups for the projects & Created Mail handlers and notification Schemes for JIRA.
• Responsible for Continuous Integration (CI) and Continuous Delivery (CD) process implementation using GIT & Push tool along with Python and Shell scripts to automate routine jobs.
• Automated and built new application environments on AWS, spearheading automation and high performing system projects using cloud formation.
• Building out and improving the reliability and performance of cloud applications and cloud infrastructure deployed on Amazon Web Services (AWS).
• Ensured data integrity and data security on AWS technology and monitored metrics on AWS.
• Worked on security and cloud governance tools like Evident.io, Cloud Health, Nessus and Qualys.
• Worked on installing and configuring SSL certificates on ELB and CDN network.
• Worked on CDN technology - Fastly and Akamai.
• Implemented New Relic monitoring in various application models. Gathered statistics of response times/average application performances error rates using dashboard.
• Supported environment with responding to Cloudwatch Alarm, Pingdom alerts, Pagerduty calls and worked on Jira request tickets.
• Provided 24x7 on-call production support for Applications with critical SLAs by following proper escalation procedures.

Confidential, Hightstown, NJ

Linux Devops Engineer

Responsibilities:

• Worked in MHC for the Data Center Migration Project as an effort to do the separation of business with in McGraw-Hill, which include the 1200+ Servers and Storage Migrations. Migration plan was based on the agile methodology.
• Worked with different Businesses, Application and Infrastructure Teams to plan the migration for Separation.
• Provide the necessary files for creating the master plan sheet and worked with Solution Architect to help in planning the moves, identifying the application discovery and required checkpoint firewall rules need to open.
• Worked with Application team and SA to identify and understand the required Public IP and DNS changes for the functionality of application.
• Provide Data required for open different change ticket related to GLB, LLB, Firewall, Seplink and DNS.
• Works on creating and implementing application monitoring, and logging strategies using New Relic, Logstash, Elasticsearch and Kibana.
• Responsible for building and maintaining infrastructure on AWS and Peer1 for Engrade Project.
• Implemented AWS solutions using E2C, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups.
• Manage the AWS environment for Engrade and automate the build from template and used configuration management tool like puppet to deploy these builds.
• Automated the process for deploying the Engrade code in all environments, troubleshoot the errors.
• Implemented & maintained the branching and build/release strategies utilizing GIT.
• Used Puppet for application automatic deployment and provisioning to AWS environment.
• Install and configure the Rabbit MQ environment for the Analytics and setup the supervisor for managing process availability.
• Setup replication between Amazon RDS and MySQL server for migrating data to AWS environment.
• Worked on the All International Application Portfolio and Center Accounting Finance system (Atlas) based on Oracle E-Business suite for moving server and taking backups, doing sanity reboots and automates tasks required during the server move.
• Worked with Data Center team, Network teams and Storage teams for troubleshooting the issues during the moves and fixed them and handover servers to application teams for application testing.
• Managed system configuration and maintenance, problem troubleshooting, system and program security, applications and program management, planning and directing upgrades and testing to ensure system functionality.
• Worked as System engineer with EMC to help in moving the SAN and NAS storage on servers across the Datacenter and Luns Remapping on new storage and trouble shoot the issues.
• Installed Avamar backup client agents and configure backup software for daily backup jobs & Installed and configured Nagios monitoring tool
• Troubleshot complex Network/firewall/Load balancers, storage & all kinds of issues during and after migrations.
• Analyzing, troubleshooting and resolving problems involving OS/Application/Web site issues & configuring the App, Oracle database and production servers.

Confidential, New York, NY

Senior Unix/Linux Admin

Responsibilities:

• Exemplified keen expertise in server building using Jumpstart/kickstart, Linux release management, installation and configuration of Redhat 6 Servers using cobbler.
• Experience in upgrading operating systems from prior versions to the latest versions including updating Solaris 10 and Solaris 11 from prior versions like Solaris 8, 9 using Live Upgrade.
• Experience in Solaris Virtualization implementations such as Zones/Containers & Ldom's in Solaris 10 & 11.
• Took part in the on-call rotation in support of 1600 Capital Market production systems and managed diverse teams consisting of off-shore operators, and US-based support teams, including customer service groups to solve production incidents and provide prompt restoration of service to customers facing back-end systems.
• Accomplished tasks including the maintenance and monitoring of infrastructure build servers and making sure of the availability of accurate release levels of software, backups, and monitoring for the well-being of the system for Market-data, GAT and GE Applications.
• Kernel configuration on the operating system for optimum performance.
• Maintaining servers already installed and setup with custom builds and applications on their networks.
• Installing and Testing Monitoring Server tools such as Nagios and Ganglia to Monitor resource usage.
• Performing updates and upgrades on the systems currently on the network for performance and auditing purposes.
• Troubleshooting and Trouble Analysis of operating systems with signs of degradation in resources and performance.
• Participated in the DR test for the infrastructure and verified DR system is functioning properly.
• Storage Provisioning, Volume and File system Management using LVM/Veritas on Linux/Sun Solaris OS in a SAN environment.
• Clustering solutions for High Availability using tools such as Veritas Cluster Server (VCS), RHCS.
• Configuring and maintaining virtual server environment using VMWARE ESX, VCenter VSphere, OVM and Solaris Zones.
• Experience installing and managing different automation and monitoring tools on Redhat Linux like Nagios, Splunk and Puppet.
• Configuring network services such as DNS/NFS/NIS/NTP for UNIX/Linux Servers.
• Setting up UNIX/Linux environments for various applications.
• Instrumented shell scripts for day-to-day tasks.
• Troubleshooted issues, developed procedures and performed change management.

Confidential, Boston MA

Senior Unix Admin

Responsibilities:

• Installation and configuration of Sun Solaris, RHEL 3, 4 and 5 (Red Hat Enterprise Linux) kickstart and NFS.
• Upgrading Solaris 8/9 to Solaris 10 using live upgrade and manual upgrade.
• Configured, Installed and Administered Solaris Containers (Zones) and LDOMS.
• Patched the Solaris 10 and Redhat Linux 4, 5 boxes at the latest patch cluster and patched the local zones using parallel patching.
• Upgrade the Linux from 3 to 5 using the kickstart method for the FIX application and upgrade and configured VCS 5.1.
• Worked on LDOMs on Sun T2000 servers.
• User account creation and account maintenance for various application and NIS.
• SSH Installation, Kernel parameters tuning and installing locale packages on Solaris 10
• Perform all duties related to Solaris system administration NIS, DNS. NFS, SSH, user account maintenance, backup & recovery, Auto-mounter.
• Administration of Security Regulations for Systems using CIS standards.
• Monitoring system resources, logs, disk usage, scheduling and monitoring, backups and restore on Veritas Net Backup 6.5.
• Worked on VMWARE for creating the VM from scratch and template, cloning the virtual for creating new VM.
• Experience with vMotion, svMotion, DRS and HA.
• Installation, configuration and maintenance of Veritas Volume Manager on Sun Solaris/Redhat Linux environment.
• Experienced in redefining volume groups, migrating, mirroring logical volume using VERITAS VOLUME MANAGER.
• Worked on Veritas Cluster 5.0 and 5.1 used on Solaris and Linux systems to manage the cluster
• Install and configure VCS from scratch and provide the day-to-day support for the high-availability of the production applications and also participate in the DR test for the various critical Global Market applications.
• Software package administration, involving adding and removing software packages on SUN hardware like M5000.
• Set up Quotas for the user accounts & limiting the disk space usage.
• Installation and configuration of IBM Websphere Application Server (WAS &WDM 6.1), creating resources, modifying properties, view runtime attributes, commit modifications and securing administrative server using Authentication, Authorization, Certificates, Credentials, Permissions, WebSphere Resources.
• Administration of the WebSphere Application Servers.
• Monitored systems using tools like Foglight.
• Installed patches and packages for security vulnerabilities for Linux, Solaris and Windows.
• Created SOPs as part of the documentation for SSH remediation project.
• Performed DR tests for various applications and database servers.
• Development of scripting tools for internal use for automation of some regular jobs using shell scripting.
• Responsible for setting up NFS server and client, Telnet server, FTP servers, DNS, DHCP, LVM, and Apache Configuration, Samba installation and configuration.
• Working in a 24X7 on call rotation to support critical production environments as Unix Level 2 and supported different application like WebSphere, Siteminder, Sonic MQ, Webservers and in house Application like FXNG, GTSS, SSI etc.
• Configured the console servers and administered the accounts.
• Make script for day-to-day task & Mass installation of the software like CCS and ITM.
• Administered and maintain account for the CVS access and worked on the day-to-day request for tagging, committing and permission to CVS.
• Certified the Linux and Windows boxes which includes the Server build and configuration and making it to match the company standards.
• Configured and managed the 400+ LTS which are server at client location to provide the secured private network to access the application.
• Worked on the Security tools (COPS, secaudit, passwd cracker) to find the vulnerabilities and remediate the findings.
• Involved in VAT Scheduling, vulnerability remediation and gap remediation.

Confidential, New Providence NJ

Linux Administrator

Responsibilities:

• Participated in the HDS to EMC storage migration project.
• Install the Redhat Linux 3.7 and 4.3and installed patches and packages for security vulnerabilities.
• Performed check out for the sanity of the file systems and volume groups and verified multipathing after EMC Micro Code update
• Reviewed existing Standard Operations procedures for technical infrastructure.
• Gathering configuration information and hardware details for IBM servers
• Worked on NFS clients to mount shares from the other Linux servers.
• Worked on REMEDY to create tickets for server migration, new servers installs etc.
• Troubleshooting on relocated Redhat Linux severs to bring them up in the data-center
• Reconfiguring Consoles, NIC on the servers.
• Worked with SAN migrations team to bring the EMC disks online.
• Managed Disks and File systems using LVM on Linux.
• Worked with Linux, SAN, Oracle Database, and Network teams to ensure the smooth relocation of the servers.
• Tuning and rebuilding of kernel on Linux Boxes.
• Created and modified shell scripts for automating jobs
• Coordinated with the Network Team and Oracle database Administrators to resolve issues
• Managed, resolved access issues with SAMBA and NFS.

Confidential, Horsham PA

Unix Administrator

Responsibilities:

• Administration of Sun Solaris including performance monitoring, scaling.
• Installing and partitioning disk drives, creating, mounting and maintaining file systems to ensure access to system, application and user data.
• Participated in the HP SAN to Compellent storage migration project.
• Monitored systems using tools like Sar.
• Installed patches and packages for security vulnerabilities
• Performed check out for the sanity of the file systems and volume groups and verified multipathing.
• Reviewed existing Standard Operations procedures for all the technical infrastructure
• Worked on SUN servers running Solaris 9 for reconfiguration of sd.conf files before and after the relocation
• Gathering configuration information and hardware details for SUN servers
• Worked on NFS clients to unmount shares from the SUN (Solaris) servers that were moving.
• Worked on REMEDY to create tickets for server migration, new servers installs etc.
• Troubleshooting on relocated SUN severs to bring them up in the data-center
• Reconfiguring Consoles, NIC on the servers.
• Worked with SAN migrations team to bring the disks online.
• Worked on Veritas Volume Manager and Veritas file system.
• Worked with Linux, SAN, Sybase Database, and Network teams to ensure the smooth relocation of the servers.
• Worked with Remedy helpdesk to resolve issues on servers
• Worked on File-system Administration, clean up and space management
• Worked on procuring Hardware components from vendors
• Escalating hardware software issues to technical support providers including SUN, HP and Veritas Software.
• Worked on Application server migration.
• Working with DBA’s to troubleshoot and maintain ORACLE Database, Oracle Apps.
• Implemented different RAID level for maintaining Data redundancy.

Confidential, Bloomington IL

Unix/Linux Administrator

Responsibilities:

• Responsible for providing Technical Support on LINUX and Solaris platform for various clients.
• Involved in System Administration tasks on Linux/Solaris/NAS infrastructure running real time Oracle Databases.
• Performed Problem Management and Change Management on LINUX and Solaris systems.
• Installed and configured Red hat Linux (AS 2.1, 3 & 4), and Solaris 8/9 on various systems for clients Production purpose. Patching them according to oracle standards and kernel upgrades as recommended by the dba’s for their applications.
• Client management like understanding and implementing required changes and new requirements on all systems located in data center.
• Storage allocation tasks include, deployment of a new host, creating qtrees, quotas, resizing and creating exports entries.
• Architecting VERITAS snap backup solutions. This involves creation and configuration of snap volumes database cold and hot backups.
• Designed and deployed Solaris Cluster Environment using Veritas Cluster Server.
• Performed check out for the sanity of the file systems and volume groups and verified multipathing after EMC Micro Code update.
• Created Volume Groups, Logical Volumes and file systems using LVM.
• Configured the environment for Disk Redundancy using Veritas.
• Tuned TCP/IP parameters like TCP window size, etc.
• Implemented network security to various UNIX services.
• Installed and configured SSH server and clients and configured NFS using Auto Mounter functionality.
• Tuned Kernel Parameters as required by applications also upgraded firmware of various hardware components on RISC servers.
• Installed and configured Apache web server on systems located in DMZ.
• As part of proactive projects, Patch assessments and installations have been carried out efficiently on all production systems.
• Worked on performance monitoring tools like sarcheck and top.
• Wrote shell scripts to monitor and notify CPU and Disk usage.
• Allocated system storage and planned future storage requirements.
• Creation of users with passwords and assigning them table spaces like user data and temporary, granting privileges (system and object) through roles and profiles on LDAP.
• Suggesting different backup methods, automation of backup procedures in relation with Nature of the application.
• Maintain backups and monitor backup integrity using Legato Networker, Network Appliance snapshot, and ufsdump/ufsrestore Storage and backup.
• Interfaced with system engineers, network engineers, and systems analysts to resolve hardware and networking issues during system implementation and production.
• System monitoring and diagnosis of message logs, execute diagnostics and effect repairs.
• Monitor stability and performance of network and data storage services, ensuring 24x7 operations.
• Managed VERITAS Net Backup (4.5v), VERITAS Backup Exe (9.x)

Confidential

Unix/Network Administrator

Responsibilities:

• Implemented Spot Billing Project of JVVNL Network at Jaipur.
• Installation of Red Hat Linux and NFS for the project.
• Responsible for setting up NFS server and client, telnet server, FTP servers, DNS, DHCP, LVM, and Apache Configuration, Samba installation and configuration.
• Working at large Data Center’s and supporting Mission Critical Applications.
• Working towards Change Management, Patch Management, Vendor & Asset Management.
• Extensive experience in planning, installation, administration and maintenance of LAN/WAN, analysis of network security needs, security, load balance, systems administration, and disaster recovery management.
• Configure, Monitor and restore backups.
• Support and install application software supporting company manufacturing and distribution software.
• Plan, design, install and configure LAN/WAN as per organizational requirements, governed by communication protocols
• Configuration of Routers, Pix, Hubs, Modems and other networking devices.
• Responsible for Installation, commissioning & Maintenance of Lease Line.
• Implementation configuring and maintenance of complete RF network.
• Audited complete network of SMDH Network and create the full documentation of making it wi-fi and Domain oriented.
• Played a key role in various Technology related projects which included Product/Vendor evaluation, Designing, Capacity planning, Implementations, Documentation, Training and Validation
• Extensive experience in the set-up of the Data Centre which included activities like routers, firewall, server, network, Wireless LAN configuration rack installation, routers/switches installation, UTP, Fiber cable laying.