OSS Consultant
Huawei Technologies
Total years of experience :18 years, 2 Months
Currently I am working with Huawei at CEM Project (Customer Experience Management) for a major Mobile telecom operator, CEM Smart Care solution helps to achieve carriers excellent network performance, service quality, and user experience by changing their traditional way of network operation and maintenance (O&M), shifting focus from traditional KPIs to customer experience, shifting from passive customer support to proactive customer experience assurance and retention. My roles in the project is on Plaftorm side which consist of over 400 server machines, SUSE OS, different databases PostgreSQL, Sybase IQ, Hadoop and SAN storage and Network Switches. My Areas of responsibilities are Operation, management and troubleshooting of Servers, databases and SAN storage.
Key Contributions:-
Operation, manage and troubleshooting Hadoop 250 nodes cluster Suse linux base by FusionInsight
Operation, manage and troubleshooting of two Sybase IQ Multiplex database cluster one is 40 nodes and other one is 30 nodes based on SUSE Linux.
Operation, manage and troubleshooting of 100 nodes In memory Computing cluster Suse linux base
Administration and management of PostgreSQL 8.3 database.
Tomcat Web Applicatoin server operation and management
Managing supporting and troubleshooting of EMC VNX 5500, 5700, 5800 and 8000 by Unisphere WebUI.SP collect and emcgrabs to share with vendor for troubleshooting and analysis purpose.
Manage &administer application layer, OS layer, hadoop security by Kerbrose and database security.
Software, hardware configuration management. Backup and recovery management
Analyze processing issues and data anomalies and identifying solutions.
Perform triage, cause and remediation for incidents.
Resolve trouble tickets escalated to Operations.
Follow documented process recovery and service restoration processes.
Fulfill various tasks/processes in support of business and operational units.
Research and resolve problems or inquiries in a timely manner.
Respond to inquiries and troubleshoot issues related to application data or file delivery contents that require extensive use of SQL and Linux command line interaction
Work with product and vendor support technical teams as needed to resolve production issues, troubleshoot symptoms, and conduct root cause analysis with remediation plans or solutions
Performance monitoring and analysis of Web Application Server, Hadoop cluster, Sybase IQ Multiplex Servers Cluster and IMC cluster based on Linux platform.
Performed task automation through shell scripting by cronjob scheduling and AT.
Fetching 2G, 3G and 4G KPI data from database by WebUI and SQL script, analysis the data and compare the different interfaces data with Live network to check any data discripency
Ensure 100% data availability to service team and check if there is any data lost accure on platform
To ensure an un-interrupted availability(99.99% uptime) of critical Operations Support System (OSS) tool as required for analysis of carrier network performance optimization
Fulfill managed SLA and 100% KPI commitment. Resolve the TT escalated by L1 according to SLA given period of time. Contact with customer for OSS related issue PAT, OIL and new requirements
Weekly network traffic performance report, monthly KPI, monthly TT SLA report send to customer.
Woked as L2 engineer in Data Center with multiple platforms 300 Physical and Virtual servers machines cross platform OS with 24/7 service, ensuring 99% uptime for availability of services for 1500 users.
Key Contributions:-
Configured, deployed and maintained Enterprise Class Servers machines and Cross-Platform OS
Configured, maintains and Administration of Linux Red hat, Solaris and windows 2003/2008 Servers
Responsible for Day-to-day systems administration tasks in Linux and Windows.
Create and maintains virtual machines on ESXi 4 by vsepher client
Automated installations of Linux servers by kickstart.
Users and group’s management, Package management and file system permission in Linux
Configure and administration of Logical Volume Management(LVM) in Linux.
Configured and deployed Apache Web Server highly Available by Redhat Cluster Suite.
Tasks automation by shell scripting with cron job scheduler utility,
servers configuration and management by webmin tool
Installed and configured CACTI and Nagios to monitor the whole infrastructure including Servers performance, applications and database services status and network devices status, traffic and bandwidth utilization
To ensure all operating systems are upgraded and updated with the latest patches.
Configured, Deployed and administer Active Directory Services, Group Policies, DNS and DHCP Servers in Windows 2003/2008.
Active directory migration from windows 2003 to windows 2008
Configuration and administration of Network Load Balancing and session directory in windows 2003 and 2008.
Installation, configuration and administration of Exchange 2007 on windows 2003 server.
Monitoring the tasks using activity monitor in GUI (Java Interface).
Managing and Supporting EMC SAN and NETAPP Storage
Installation and Configuration of SUN Fire X2100, X4100 and X4200 Server machines.
Installation and Configuration of IBM Blade Center H and 3650M3 Server machines
Key Contributions:-`
Installation, Configuration and management of Linux and Solaris Servers.
Day-to-day operation and performance monitoring of Linux, Solaris and oracle Database servers.
Ensuring 99 %uptime for IT Infrastructure and regularly backup of key servers.
Scheduling/Controlling of jobs using Cron and AT
Providing Support to Customer by Automated Ticketing System and resolve the tickets according to SLA
Provide support to Operations teams regarding different nodes.