SUMMARY:

• A task - oriented DevOps Engineer and Linux/Unix System Administrator looking for assignments that uses my technical and inter-personal skills or a role evaluating new technology especially in the Linux systems and Security/Networking marketplace.
• Around 8+ years of IT experience as Linux and Solaris (UNIX)/AIX System Administrator in a diverse, distributed and mission critical Enterprise networked multi-platform environment.
• Experience working with Red hat Linux, use and UNIX on x86 HW and RISC.
• Extensive experience in setup, configuration, upgrade, maintenance, performance monitoring and troubleshooting on different UNIX platforms like Linux, VMWARE and system software and hardware.
• Experienced working in fast-paced, deadline-oriented environments. Proficient in Capacity Planning, and Security setups.
• Installing, upgrading, patching and configuring Sun Solaris 10 & 11 on Sun Servers using Jumpstart Servers and Interactive Installation. Hands on experience in administration and maintenance of application services like DNS, Mail, HTTP, Apache Tomcat, Squid, DHCP, SMTP, FTP, NIS and NFS.
• Good understanding of Active Directory, TCP/IP, Send mail, NIS, Packaging & Patching.
• Experience in developing Network infrastructure technologies like DNS, NFS, Samba, NIS, DHCP, SMTP, FTP, SSH, and web servers like Apache HTTP & Tomcat.
• Knowledge in Volume management, Disk Management, software RAID solutions using Symantec VERITAS Volume manager. Veritas Cluster Suit (VCS) and ZFS file system
• Monitoring through Nagios, set up and install Nagios server and clients, Zabbix as a Part of monitoring integration team. Design and document Escalation Matrix.
• Installing new Software, monitoring the system, troubleshooting, maintaining local documentation, adding security and helping the users.
• Familiar with Change Management Process. Worked in BMC Remedy, CA service desk tool and JIRA. Ability to multitask in a fast paced environment under strict time guidelines and resolve production incidents with minimum impact to customers with round the clock on call support.
• System engineer/Administer, implement and roll out project, enhancement and automation, bug fixing.
• Deploy and supporting the Development of Cloud environment, and Production critical corporate applications like Web server, Web based application, Java based application. Performance analysis and implement monitoring.
• Completed patching of 750 production boxes and 2200 non prod boxes in Confidential . Enhancement of
• RealDoc project in Altisource.
• Implement Prism telecom billing and charging system in Confidential system and update it along with new Billing features.

TECHNICAL SKILLS:

Operating Systems: LINUX, RHEL(4/5/6), Fedora, ESXi, Hypervisor(/4.0/5.0), Solaris10(Unix), Ubuntu10/11/12, SPARC, x86, Application System Architecture and design.

Automation: Puppet and AnsibleStorage: EMC, NetApp.

Security: Firewall, TCP/IP Wrapper, SSH, SCP

Scripting: BASH, PERL, Ruby with Puppet

Middleware: Apache, Apache-Tomcat, JVM

RDBMS: Oracle 10g, 11g

Virtualization: VMware, Amazon AWS, EC2

Networking: ZFS, NIS, NIS+, DNS, NFS, RPM, YUM, LDAP and LAN, WAN, Firewalls, HTTP Server.

Protocol: FTP, HTTP, UDP, Telnet, ARP

Application: Java based application support knowledge.

Process: ITIL process, ticketing system, JIRA, CA Tool

Tools: Nagios, Veritas file systems, Vxfs (v4.x, 5.x) admin tool, Symantec Veritas Volume manager, cfengine

EXPERIENCE:

Confidential, Austin, TX

DevOps and Automation Engineer

Responsibilities:

• As a DevOps Engineer i do automation, integration, and testing of system and roll out new stage of every environment Cisco Cloud service following agile development process.
• Ansible, Automation, Build Deployments, Continuous Integration through Jenkins and GO SDLC pipeline.
• Puppet Deployment and Configuration, automate and scripting through Python/Scripting.
• Build environment in OpenStack cloud and managing DEV/INT/STGAE boxes and deploy app and testing across environment and across global location. Automate each and every possible steps and manual work around and deploy the same. Use of internal OpenStack tool NOVA, Glance, Virch.
• Managing and logging User Stories/Task/Defects/ in Rally. Follow up backlog and defect with other teams and work on that.
• Environment: RHEL 6/7/Centos 6/8, Ubuntu. OpenStack cloud. VMWARE VCentre manager, Rally, Apache. Automation, HA proxy. Jenkins/Ansible/Puppet/Python.

Confidential, Danbury, CT

DevOps and Automation Engineer

Responsibilities:

• Providing support & Implementation for Linux servers in Virtual and Amazon Cloud environment, configure and manage system, troubleshoot, automate and Deployment.
• Ansible, Automation, Build Deployments, Continuous Integration
• Puppet Deployment and Configuration
• Managing Linux servers hosting lamp stack, java application as per guidelines. Working on AWS and EC2 cloud and provisioning and managing infrastructure through automation.
• Deploy and configuration through automated template and build up new RHEL server in Cloud base as per organization expansion.
• Managing Virtual boxes, optimizing resources through DRS, manage file system.
• Collaborated with DBA and Development teams to jointly provide the best possible services and solutions, working on AWS cloud.
• Monitoring and doing Admin task through Cloud watch on Red Hat boxes hosted in cloud and tuning of system.
• Managing and logging stories in Jira. File change control and follow up with CAB meeting.
• Environment: RHEL 6/Centos 6, Amazon cloud. EC2, RDS VMWARE VCentre manager, Jira, Apache. Automation

Confidential, Dublin, OH

Linux/Unix Systems Administrator

Responsibilities:

• Providing support & Implementation for Linux and Solaris which include Change Implementation, Security Patching, hardware and firmware upgrade, enhancing features.
• Managing SAP servers and Linux based real time application as per compliance guidelines. Working on AWS and EC2 cloud and provisioning and managing infrastructure.
• Deploy and configuration through Puppet and CFEngine and build up new RHEL server base as per organization expansion. Write new rules through Puppet.
• Implement Security release and patch from RHN and get compliance from other team and patching Linux boxes including DMZ zone servers.
• Security consultant responsible for hardening hosts against intrusion according to government and security industry best practices.
• Managing Virtual boxes, optimizing resources through DRS and manage Multipathing for physical database server, working on LVM, RAID, LUN provisioning and file systems.
• Monitoring and doing Admin task on SUSE and Red Hat HA cluster and VCS cluster. Tuning of Cluster,
• Managing and logging tickets and incidents in service now ticketing tool logged change control and follow up with CAB meeting and security Sox compliance management
• Dealing with the Vendor (Red hat/Novel/HP/IBM) and provide necessary support as and when Needed for ensuring 100% uptime of managed Servers
• Environment: RHEL 6, SUSE 11, AIX 7.1, Solaris, VMWARE VCentre manager, Service Now

Confidential, Atlanta, GA

Senior software Engineer

Responsibilities:

• Overseeing installation, configuration & troubleshooting of 3000+ Linux, Unix and Windows systems in (Physical & Virtual) in a 24/7 environment.
• Finding and filling the system Performance gaps with Kernel Tuning, Memory Tuning, and CPU Tuning & File System Tuning.
• Design, Implement, Engineer and Operate scalable and reliable Linux Server Infrastructure.
• Leading and guiding a team of highly skilled Linux professionals and carry out DevOps operation For Java based application and roll out the new infrastructure
• Debug Diagnostic and Evaluation of third party & open source application for infrastructure solutions.
• Monitoring and doing Admin task on Red Hat cluster (HA cluster) Suit.
• Deploy bug fixes and releases and up gradation of OS, Exposure on IaaS and PaaS
• Responsible for requirements gathering, design, testing and deployment of DR process.
• Experience with VMware Virtualization using ESX hypervisor of V sphere 5.1
• Managing Virtual boxes, optimizing resources through DRS. LUN provisioning in Physical Database boxes.
• Install and deploying infrastructure monitoring policies through Nagios, Zabbix.
• Using common scripting languages like Bash and Python to automate regular admin jobs.
• Experience in Disaster Recovery and Planning.
• Write and push new rules and configuration in Puppet for Linux servers manage SVN server for build and software development management.
• Diagnosing system bottlenecks through root cause analysis after high severity incidents.
• Interact closely with multiple teams in analyzing each service outage, measure, maintain, enhance and present the service quality metrics to management.
• Developing and maintaining processes, tools, and documentation for support to maintain the stability of production environment.
• Environment: VMWARE (ESXi 4.0/5.0/5.1), EMC, Ubuntu 10/11, RHEL 3/4/5, Sun Solaris 10/Solaris 11, VERITAS Net backup 5.1,SRM(for DR), Sybase, Citrix, Apache web servers, Tomcat application servers. Oracle and JAVA

Confidential

Linux Systems Engineer

Responsibilities:

• Part of product support team which is Managing Sybase365 international messaging platform.
• Providing remote support for production boxes on Linux/Solaris, which includes Changes Implementations, security patching, implement application build, enhancing features and solving high impact incidents within SLA and maintaining 99.9% availability.
• Deploy ISMS Platform in US Datacenter on behalf of Sybase365.
• Providing root cause analysis (RCA) for each service impacting incident with all possible corrective actions for improvement.
• Configuration, implementation and administration of NFS, NIS, DNS, and LDAP Linux environment. Maintain Red Hat HA and VCS cluster for telecom application.
• Understanding and troubleshooting skills with networking communications and protocols such as TCP/IP, NFS, DNS, SMPP.
• Expertise in creating and managing Logical Volume Manager in Red hat Linux.
• Expertise in Installation, Configuration of Package and Patch Management.
• Experience in Disaster Recovery and Planning.
• Problem determination, Security, automation and Shell Scripting.
• Handling High Severity Incidents and providing support on 24/7 environment.
• Monitor and manage all major Service Impacting Incidents/Change and take preventive actions to avoid such outage.
• Provides planning, leadership, direction and advanced technical expertise in the field of System Administration.
• Environment: RHEL 3/4/5, Sun Solaris 10, VMWARE SRM (for DR), Sybase, Citrix, Apache web servers, Tomcat application servers, EMC storage, LDAP, SS7, SMPP protocol. Unix/Windows Workstations and Clusters

Confidential

Operation Engineer

Responsibilities:

• Install Configuration & implementation of service of Voice Base and SMS (Apache/Tomcat) in Linux Cluster. Troubleshoot the application issue and restart of services.
• Working on SUBMGR (Billing system). Configure links and circles. Troubleshooting the connectivity issues and manages some network task. Hardware configuration, installation and management on HP servers, DELL power edge, Dell EqualLogic ASM.
• Handling and generating tickets via the Remedy ticketing tool and JIRA.
• Configured ILOs and Console connections for HP servers, Sun Servers.
• Client software and third-party HBA’s, Qlogic and Dialogic card for telecom application.
• Experience with VMware Virtualization using ESX hypervisor of VSphere 4.0
• Datacenter setup and Migration of Applications on Oracle Enterprise and Java Applications.
• Deploy and test the migration of OnMobile Billing platform from SUBMGR to PRISM which sold to other telecom VAS company.
• Analysis Clients requirement and represent for product development and capacity planning.
• Work out with application team to help telecom application like WAP, UMP, and Billing.
• Environment: RHEL 4/5, Sun Solaris 10, Apache web servers, Tomcat application, Red hat Cluster, Telecom protocols, Dialogic and other Telecom hardware and servers, SS7, SMPP protocol. Unix/Windows Workstations and Clusters, MySQL database and replication, Telecom Billing application

Confidential

Linux Administrator

Responsibilities:

• Manage Zimbra Mail and Web servers.
• Linux firewall configuration and implementation.(ipcop)
• Server Virtualization and implementations.
• Configure and implement Linux Mail and Web server.
• Nagios monitoring tool.
• Update OS and system file through patches.
• Worked on DNS and SSHD, Kick Start installation.
• Lead a team of four people.
• Environment: RHEL 4/5, Apache web servers, Tomcat application, Redhat Cluster, Unix/Windows Workstations and Clusters. MYSQL database and SQLGrey, Clamav, Zimbra, IIS server

Confidential

Technical consultant

Responsibilities:

• Installation, Configuration and troubleshooting of user end systems.
• Disk space & file system management.
• Application and Software support.
• Taking backups and restoration.
• Troubleshooting network for connectivity related issues.
• Environment: RHEL 4, Unix/Windows Workstations, Windows application