OBJECTIVE:

Systems, DevOps, Solutions and Automation Engineer, working in a challenging position where I can continue learning cutting edge technologies. The companies that can utilize a performance driven individual; providing cost - effective solutions and implementing process driven environments.

PROFILE SUMMARY:

Currently working as an Infrastructure Engineer for more than 5 years doing private and public cloud, DevOps and automation activities in the past 10 plus years. Passionate developer for more than 3 years using PHP and Java. More than 10 years of experience in UNIX and Windows administration and development (Shell, Python, PowerShell ) for Healthcare, Pharmaceutical, software and retail for 500 Fortune companies.

TECHNICAL SKILLS:

Linux/Unix Administration: RedHat Enterprise Linux, AIX, OEL, SuSe, Centos, RSync, Postfix, QMail, SendMail, SVN, Centrify.

Windows Administration: Windows Servers, Active Directory, Group Policy, DNS, WDS, Exchange Server, SharePoint, Azure Cloud

Automation & Programming: Ansible. PowerShell, Shell, Puppet, C, Java, PHP, ASP.NET (C#.NET), PL/SQL, VBScript, JavaScript, Python - fabric, Jinja2 templating, BitBucket, GitHub.

Backup & Disaster Recovery: ComVault, NetVault, HP Data Protector, iQuantum Scalar Tape Libraries, Disaster Recovery, Storix for Physical Linux server.

Virtualization, & Cloud Administration: ESXi, VMware Converter, VMotion, P2V, V2P and V2V Migration, vCloud Director, vCenter Orchestrator, vCenter Operation Manager, VMware Site Recovery Manager, VMware Orchestration, vBlock, Microsoft Hyper-V Manager, Citrix, NetScaler, GSLB, Citrix XenDesktop, Amazon Cloud, Amazon EC2, S3, Amazon EMR (Hadoop), OpenStack, Nova, Swift, Glance, RESTful API, OpenShift, Docker.

Storage Administration: EMC Clarion, EMC Symmetrix VMAX, Unisphere, HP XP24k/XP7/P9500 SAN, NetApp ONTAP, Confidential Storwize v7000, Hi-Command Device Manager, HDS Storage Navigator, EMC NaviSphere.

Database Administration: Oracle, MSSQL, MySQL, DB2

Middleware Administration: Apache, IIS, Tomcat, JBOSS, Web Logic, Mod JK Web Load Balancing and Application CLUSTERING, Maven, Jenkins.

Monitoring Applications: OpManager, HP System Insight Manager, SolarWinds Orion, Dell Open Manage, Confidential Tivoli Monitoring, Nagios, Cacti, RRD, MRTG.

Software Engineering & Methodologies: SDLC, Waterfall, Agile, Incremental, V-model CMMI, SDLC, Computer Architecture, and Data Structure.

Hardware: Troubleshooting and Managing HP ProLiant Rack & Blade servers, Dell Power Edge, Confidential Servers, EXA Data/Logic Server, F5, Cisco UCS Blade Systems.

Other Skills: Centrify, VeriSign, RappidSSL Implementation, Sawmill Universal Log Analyzer, RSync, Email, SSL,SMTP, DNS, FTP, SSH, TCP/IP, VLAN, LDAP, NIS, Centralized, Jenkins, Hadoop, Antivirus System using Symantec, Shavlik, Web Performance Tool (WPT) and WAPT, HP SIM, HP iLO, ITIL Framework/Foundation, HP Orchestration, ActiveBatch, ServiceNow, Zenoss, WSUS, RedHat Satellite Server management, Ksplice, etc.

PROFESSIONAL EXPERINCES:

Confidential, Marlborough, MA

Infrastructure Engineer (UNIX)

Responsibilities:

• Managing & administering UNIX/AIX/LINUX environment which includes, day to day operation, Centrify, RedHat satellite, Storix backup for physical RHEL, performance and root cause analysis and multiple projects.
• UNIX scripting development in Bash, Perl and Ruby (Web and CLI) to automatize process for Release of code, Access Control, QA, Monitoring and Services Administration, reducing the work man hours and improving the processes.
• System admin activities such as storage management with tiered based, server virtualization.
• Automated post build on Linux server provisioning with menu based items and migrated to Ansible automation.
• Automated day to day tasks and RHEL patching automation using shell scripting and Ansible automation tool.
• Involved on VMware automation using vRA for vm server provisioning.
• Setting up scalable infrastructure and Implementing Docker based IAM Perseus Microservices platform and worked with vendor.
• Development of tools to create, configure and destroy Kubernetes clusters on vSphere, On-premise and AWS using Ansible.
• Use of Docker and OpenShift to manage micro services for development and testing.
• Perform advanced troubleshooting and monitoring of the systems to ensure SLAs are met.
• Control of version and repository management with BitBucket and GitHub.
• Involved on HP CMU and MapR implementation.
• Provided 24/7 on-call support as part of a weekly support rotation.

Confidential, Boston, MA

Sr. Infrastructure Engineer

Responsibilities:

• Involved on day to day operation with escalation team and provided service level 3.
• Administration and production support for Active directory AD, GPO Management, Linux &Windows Clusters, IIS Web Servers, SharePoint, File, Print FTP/SFTP servers, NetVault, Symantec Endpoint manager.
• Mostly focused on VMware infrastructure, building, configuring and troubleshooting Linux/Windows VM, Active Directory, Group policies, PKI environment.
• Managed Virtual Infrastructure includes SRM disaster recovery implementation.
• Migrated of VMs using V Motion, moved VM’s from one LUN to another LUN using Storage V-Motion, Performing Snapshots, Cloning, Cold Migrations and Hot Migrations.
• Worked closely with server and application owner to optimize CPU and memory using VMware Foglight, adding CPUs, Memory and extending/adding disks.
• Migrated business critical applications from physical to Virtual environment, which provided improved performance and high availability.
• Managed AWS EC2 environment, creating windows and Linux instances, extending disk, adding CPUs as needed as well as worked on EMR and impala.
• Worked on different scripting like PowerShell for installing general software when building new VMs and bash shell scripting for joining domain connect to satellite.
• Worked on Red Hat satellite: adding server, update patches, creating channels.
• Cleaned up and monitor critical alerts from Nagios based monitoring system, Ground work.
• Configured and manager Centrify environment for access control, group policies, and local account for Linux.
• Managed all HP servers and worked with HP for troubleshooting.
• Performed and worked on Datacenter work and weekly walk through to make sure all servers and devices working well.
• Supported on patching updates on windows and Linux environment, with different categories, production, development and testing.
• Supported and worked on EMC/Netapp storage environment, Adding LUN, NFS shares etc.
• Worked on Security information and event management (SIEM) as side by side project, managing and configuring servers for monitoring logs for security purpose.
• Deployed Puppet, Puppet Dashboard, and PuppetDB for configuration management to existing infrastructure.
• Redesigned and redeployed the Nagios implementation. Nodes automatically added/removed themselves via Puppet.
• Implemented Puppet modules to automate configuration of a broad range of services.
• Wrote puppet manifests for deploying, configuring, and managing collectd for metric collection and monitoring.

Confidential, Littleton, MA

Lead Systems Engineer

Responsibilities:

• Implemented VMware virtualization in multiple datacenter with Confidential Storwize V7000 and Cisco UCS Blade Systems.
• Monitoring and Performance analysis on ESXi Servers and VMs using VMware vCenter Operations Manager.
• Configured enterprise virtualization infrastructure with VMware ESXi 5.5, vCenter, VMware vCenter Ops, VMware Clustering and Storage, Storage VMotion. Migrated more than 500 physical servers to virtualized environment.
• Implemented and maintained puppet infrastructure building servers and manage configuration in operational and production environments.
• Developed Puppet modules to automate deployment, configuration, and lifecycle management of key clusters.
• Implemented Puppet modules to automate configuration of a broad range of services.
• Experienced with LINUX performance tuning to support Oracle/MySQL database technologies.
• Support Desktop virtualization using Citrix and load balanced with Citrix NetScaler VPX.
• Manage and support, NetScaler, Citrix XenApp and XenDesktop, Citrix Storefront, Citrix Web interface and Wyse and also configured NetScaler Global Server Load Balancing.
• Providing technical expertise to manage AD forest which includes management of Active Directory and Global Catalog, Organizational Units, Group Policies, Windows Internet Name Service (WINS), and Domain Name Service (DNS).
• Managed Active Directory Services and Public Key Infrastructure and implemented SSL on different applications like IIS, MSSQL, LDAP, JBoss, SMTP, vCenter, vCenter Operation Manager, McAfee Email gateway to meet the security compliancy.
• Provided technical expertise to manage AD forest which includes management of Active Directory and Global Catalog, Organizational Units, Group Policies, Windows Internet Name Service (WINS), and Domain Name Service (DNS), DHCP, DFS and AD trusts relationships and permissions.
• Managed Active Directory (2008/2012) using PowerShell for Adding AD Groups, added multiple users quickly, added user in group member, changed password at logon, extracted Last logon time, Scripting for Active Directory using PowerShell.
• Managed patches deployment using different tools like Windows Server Update Services (WSUS), Microsoft System Center Configuration Manager (SCCM), Shavlik and Redhat Satellite server management.
• Configured and managed Microsoft Exchange server 2007/2010 and implemented McAfee Email Gateway with virtual appliance.
• Identify, mitigate or resolve product infrastructure dependencies and/or risks by working closely with cross-functional teams within the organization.
• Deployed and Configured Nessus Scanner to scan all network devices to make IBM’s compliancy.
• Worked on security and remediation project, performed OS hardening, and TCP/IP Vulnerability Remediation on Windows, Linux, ESXi, McAfee Email Gateway.
• Performed health check and middleware remediation on different applications like; IIS, MSSQL, SharePoint, Microsoft Team Foundation Server, Exchange Server, NetApp, vCenter, Symantec NetBackup, Backup Exec, System Center Operation Manager, SSH Server, Samba, JBoss, Sudo, Oracle, Apache, MySQL, WebSphere, WebLogic, Citrix Access Gateway.
• Researched and tested cloud environment with OpenStack cloud infrastructure that includes, Nova, Swift, Glance, RESTful API etc.
• Worked on some scripting project with Perl, Python, Shell and PowerShell.
• Deal with Hardware vendors like IBM, SUN, HP Blade, Dell. Following up with Vendors hardware & software whenever required & resolve issues with different diagnostic tools by minimizing downtimes.
• Installed Nagios Server, NRPE Plug-in and NRPE Daemon and configured Alerting/Monitoring through Nagios.
• Worked on agent less and agent based Nagios for infrastructure monitoring.
• Strong working knowledge on alerting/monitoring tool likeNagios & NRPEinstallations and Nagios administration and troubleshooting.
• Designed and implementation of new service monitoring infrastructure, integrating XI into existing Nagios infrastructure.
• Redesigned and redeployed the Nagios implementation. Nodes automatically added/removed themselves via Puppet.
• Configure, maintained, and monitored different type of services like Web, SMTP, database, Application server and specific Applications.
• Implemented Nagios monitoring environment with best practices like passive checks, optimized active check plugins, RAM disks, etc.
• Utilized Nagios for health, performance monitoring and capacity planning.
• Automated pushing baseline monitors for all servers and added customized monitors.

Confidential, Jersey City, New Jersey

Sr. Systems/DevOps Engineer

Responsibilities:

• Data Center Infrastructure Support on administering, managing and monitoring Servers, HP Backups and Disaster Recovery and Infrastructure monitoring using SolarWinds Orion, HP SIM, OpManager
• Designed, planned and implemented Group Policy, delegation strategies and OU structure. Managed local, roaming, and mandatory profiles, planed strategy for placing Global Catalogue (GC) and evaluated the need to enable Universal Group Caching, AD migration & consolidation.
• Extensively experienced in IT infrastructure services: DNS, DHCP, WINS, DFS, Federation, AD Trust Relationships, and Permissions.
• Extensively experienced on virtualized Active Directory and implemented best practices with VMware environment.
• Centralized access management using Centrify, mapping AD users, roles and group management, granting DZDO access.
• Provide daily operational support of enterprise storage, backups, recovery and associated equipment. Activities will include incident management, problem management, root cause analysis, system maintenance, and performance tuning of these systems.
• Managing and resolving problems, including opening issues with vendors and driving them to completion.
• Performed Windows Server 2008 Failover Clustering Enhancements over Windows Server 2003 Clustering, Based on Best Practices.
• Server configuration automation using Puppet software.
• Design and implement virtual infrastructure on three datacenters using VMware vSphere and EMC Clarion, EMC Symmetrix VMAX, HP SAN, setup virtual infrastructure using vSphere, and EMC Symmetrix VMAX.
• Creating RAID groups, binding LUNs, creating Meta LUNs, creating Storage Groups, registering hosts, zoning, PowerPath, NaviAgent, and NaviCLI.
• Performed LUN publishing, expansion and shredding across datacenters.
• Fabric migration, merging of various fabrics, Zoning, Modifying configuration, FW upgrades.
• Worked within an ITIL change process to ensure consistent methodology across all service groups.
• Postfix SMTP Server Administration: Managing, configuring and Performance Tuning of SMTP server.
• Configured and implemented various Citrix technologies such as XenApp, and XenDesktop, Citrix Secure Gateway/Access Gateway, NetScaler, Citrix License Server.
• Worked on cloud environment as well using Amazon AWS: EC2, S3, Desktone (DaaS) and some exposures in OpenStack cloud infrastructure (IaaS).

Confidential

Systems/DevOps Engineer

Responsibilities:

• Host Production J2EE platforms (JBOSS Application Server) for developing and deploying enterprise Java applications using MSSQL Server Database (tpmedia.com).
• Extensively experienced with JBoss Application implementation, support, workload management and performance tuning Apache web server setup configuration with JBoss and RedHat Linux.
• Performed JBoss Application and Apache Web server tuning with multiple clustered environment.
• Analyzed logs for troubleshooting java application issues from server side.
• Applied patches and plug-ins for JBoss Application Server as best recommended.
• Installed, configured and administered JBoss and Confidential WebSphere in clustered and non-clustered environment.
• Configured and administered JDBC, JMS, JTA, JNDI, SNMP and Node Manager to administer the Managed Servers in WebLogic Application Server.
• Shared knowledge to implemented J2EE technologies such as EJB, Java, JSP, Servlets, XML, and Web Services.
• Configuring and Administering Database Server: MSSQL SERVER 2000/2005/2008 , MySQL Server.
• Experienced on supporting Red Hat Linux Servers; Windows 2003/2008 and Active Directory
• Integrate Linux, Oracle, and patching, Familiarity with Oracle DBs and PL/SQL.
• Configuring and Administering Remote Web/Application Server: Apache, JBoss, Tomcat, and PHP.
• Update Servers and Monitor Central Antivirus Server (Symantec Endpoint Protection) in order to keep the servers up-to-date and healthy.
• Server Backups: Plan for the backup environment, Policies and Automations.
• Using MRTG and Nagios to Monitor IT infrastructure to ensure systems, applications, services, and business processes functionality and alert technical staffs in the event of failure.
• Design, configure and manage SMTP server (Postfix/SendMail) platform sending 200K+ mails at one time, creating system to host the platform, monitoring and maintaining it. Ensure good IP reputation with high sender score compliant with Return Path. Fight abuse from unwanted users joining email feedback loops. Use opt-out features as List Unsubscribe headers and authenticate email source using SPF records and DKIM Proxy.
• Performed performance tuning for Red Hat Linux, Apache, JBoss, IIS, and MSSQL 2005/2008.
• Performed application benchmarking using Apache Benchmark, WAPT and WPT.
• Configured, and managed network routers, switches, load balancers, firewalls, IPS, VPN, console servers, and other network devices.

Confidential

Web Application Developer/ Systems Administrator

Responsibilities:

• Designed and developed web applications using PHP Language and MySQL Database.
• Programming in PHP, Designing Database, Developing Web Applications, Designing webpage
• Knowledge of Web Servers, Web proxy and cache
• Strong experience managing network traffic and load balancing strategies
• Maintaining and administering Local Area Network.
• Software installation and configure in network environment.
• Administering and Troubleshooting network computer and software environment.
• Configuring and Administering Remote Web/Application Server: Apache, JBoss, Tomcat, and PHP.
• Administered Oracle in Linux with applies best practices and tuning performance.
• Update Servers and Monitor Central Antivirus Server (Symantec Endpoint Protection) in order to keep the servers up-to-date and healthy.