PROFESSIONAL SUMMARY:

Linux and Cloud Application Professional with 12+ years of experience linking technology to business objectives.

TECHNICAL SKILLS:

OS: Red Hat Enterprise Linux 5,6,7, SuSE Linux, Sun/Oracle Solaris, Windows, CentOS, Ubuntu

Cloud/OpenStack, DevOps and Big Data: Hands on experience with OpenStack components (command line Neutron, KeyStone, Nova etc.), AWS, MS Azure, SDN/NFV, Big Data with Hadoop (Apache and Cloudera), Hive, Pig, Sqoop, MapReduce, HDFS, HBase, Cassandra, Google Compute, Hypervisor (QEMU, KVM)

Automation Experience: Ansible, Chef, Puppet, Cobbler, CI/CD with Jenkins and CircleCI

Hardware & Storage: Sun Servers, HP Proliant servers, SAN, EMC Storage, RAID

DBMS: SQL operation on Oracle RDBMS, MySQL/MariaDB, PostgreSQL, MongoDB - NoSQL

Telecom Applications: Unix/Linux based Kamailio IMS, Confidential IMS and Charging System (all nodes), Billing applications, Alcatel-Lucent IMS, Confidential prepaid applications, SMS, MMS applications

Network, Protocols & Virtualization: SDN & NFV, VXLAN, IPv4/IPv6, VMware EXSi, KVM, Cisco routers, switches, SIP, H323, OSPF, BGP, DHCP, TCPIP, DNS, Firewall

Language, Scripting & Tools: Bash, Wireshark, RabbitMQ, Veritas Cluster with HA, Java, Python, Tcpdump, Symantec Net Backup, RMAN backup, Git, SVN, CICD with Jenkins, YANG basics, Apache, Tomcat

PROFESSIONAL EXPERIENCE

Cloud Software Engineer

Confidential, Westlake, TX

Responsibilities:

• Operation and administration of Red Hat OpenStack Cloud including SDN/NFV for internal projects
• Implementing in-house IMS Cloud solution in Verizon Cloud Platform with CICD (Jenkins, CircleCI)
• Installation and administration of Cloudera Big Data with HBase and Hadoop echo system tools: Hive, Pig etc.
• Deployed Cloudera Big Data software with automated deployment using CICD (CircleCI) and OpenStack
• Openresty NGINX and Lua development for URL parsing, GitHub use and integration, Python for test script, YAML
• Alcatel-Lucent IMS, Open IMS deployment and administration on Openstack, orchestration and testing development
• Agile methodology using Kanboard, OpenLDAP administration
• DevOps/CICD integration and testing with CircleCI/Jenkins, GitHub and applications
• Ansible based network/compute deployment automation, installation, administration, resource and service configuration, package installation for internal projects.

Services Software Engineer V

Confidential, Texas

Responsibilities:

• Integrated Solaris, Apache and Oracle DB based Confidential MM 8.0 with IMS Innovation Platform for Confidential &T
• Administration of VMware vSphere/ESXi, Red Hat Linux OpenStack
• Worked as Team Leader to deliver complex Linux based telecom applications installation and upgrade projects to customers like T-Mobile, Confidential &T, Spring and Rogers Canada etc.
• Chef based infrastructure automation, installation, administration, resource and service configuration on several nodes, package installation, applications client/servers automation and management for Confidential projects
• Supported, designed and deployed Linux based Prepaid system for T-Mobile, Confidential &T, Sprint and Rogers Canada which included clustering, High Availability, Geographical Redundancy, RAID, SAN storage integration
• Supported and implemented Oracle Solaris based EMM 7.0 for Rogers Canada which was included Oracle Solaris with zones, Data replication with VERITAS Cluster File System, EMC storage and Oracle DB expansion.
• Backup administration using Tape, NFS, NAS, NetApp, NetBackup, Disaster Recovery etc.
• Backup restore of Unix/Linux servers, LDAP and DNS, external storage administration with SAN/NAS and EMC
• Delivered Red Hat Enterprise Linux 6.4 based Enhanced Smart Limit project for Confidential &T using Multi Mediation 8

IN-VAS Consultant

Confidential

Responsibilities:

• Technical Audit & test of middleware products: Oracle iPlanet and Web Logic server.
• Audited Red Hat Linux/Solaris based Confidential & NSN IN, multivendor VAS applications, Fault Management
• Detected flaws in the network design, performance and gave recommendations of VMWare ESX and networking solution which improved efficient use of existing hardware capacity
• Implemented remedy in system outage and implemented geographical redundancy to prevent further outage

Consultant - Services Engineer

Confidential

Responsibilities:

• Performed Red Hat Linux/Solaris infrastructure Installation, verification, Solution Design, up gradation, migration, and support through CSR as the Solution and System Support Team leader for Confidential MM and Charging system nodes
• Installed EMC SAN storage including Solaris based OS and Application clustering
• Resolved the backlog of customer technical complaints within the 1st month of my contract period
• Executed general & SUF upgradation of EMM and Charging system nodes
• Administrated CCN Solaris ZFS (zpool command) File system and Solaris Zone (creation, cloning, attach/detach)
• Gave technical support to EMM, EMA & Charging System (CCN, SDP, AIR, VS, MINSAT, IVR)
• Handled Service Tickets, data migration, Solution architecture, Cellular Number Plan Change
• Implemented geographical redundancy for disaster recovery of SDP & CCN servers
• Installed, operated and maintained EMM & Charging system nodes
• Monitored servers and applications through SunMC, text mode and application GUI

Consultant - Senior IN Engineer

Confidential

Responsibilities:

• Designed, developed and integrated Confidential KPI system with Unix based Confidential network elements
• Audited with KPI definition for Unix based Confidential prepaid cellular system and Acision SMS system
• Performed setup and configuration of Red Hat Linux/Solaris based monitoring system
• Developed Active Directory based security using LDAP server/client network for UNIX servers
• Solved long pending prepaid network issues related to revenue leakage

Solution Integrator

Confidential

Responsibilities:

• Worked as Solution Integrator and Architect for Confidential Charging System upgradation and expansion project
• Performed automatic upgradation using shell script based System Upgrade Framework for AirTel India project
• Performed EMM system integration and administration for
• Installed Unix based Account Finder application
• Confidential Charging System and Multi Mediation installation and configuration for GrameenPhone projects
• Worked as project based team leader for integration & support of Confidential Mediation and Charging products for different operators/projects
• Performed daily health check maintenance for Solaris based telecom applications
• Installed and upgraded Linux/UNIX OS, application and related network

Application & Software Engineer

Confidential

Responsibilities:

• Did project based installation, configuration, support/troubleshooting of Unix based Confidential prepaid cellular system for Citicell projects
• Integrated Confidential prepaid and GPRS system with Confidential prepaid system
• Supported Apache web server in Solaris environment