Big Data Admin Resume
SUMMARY
- Over 9 years of IT experience in web infrastructure, middleware operations, monitoring tools and Cloudera Certified Administrator for Apache Hadoop on various platforms.
- Basic Knowledge on Cassandra, MongoDB, AWS, Chef, DevCenter.
- Primary Responsibility as a Production Support Lead with service delivery expertise.
- Experience in using CDH4, Pig, Hive, Scoop, Hbase, Cassandra and Mongo db.
- Knowledge of industry standards ETL tools, databases, Unix, Linux, IT security standards, scheduling tools, OFSAAI, Golden gate, Oracle PL/SQL, Big Data Hadoop Admin, Appworx and related open source technologies.
- Experience with IT service management and ITIL processes.
- Evaluate and propose new tools and technologies to meet the needs of the organization.
- Expertise in automating the regular maintenance and monitoring tasks.
- Flexible and comfortable in switching tasks and roles.
TECHNICAL SKILLS
Hadoop ecosystem: (Map Reduce, Hive, Pig, Sqoop, Flume, Cassandra, Mongodb)
Technologies: OFSAAI, Golden Gate, Java Basics, PL/SQL
Operating Systems: Linux (Centos, Red Hat & Ubuntu), UNIX - Solaris, Windows.
Monitoring Tools: Ganglia, HP Site Scope, Appworx, Topaz
Database: Hbase, Oracle 11g, MS-Access, SQL Server
Reporting / Content: OBIEE, Crystal Reports, Service Now
App / Web Servers: WebLogic 11g thru 8.1, Jboss 5/4.3, Apache, IIS 5.0
Scripting: UNIX Shell Scripting (csh, korn and bash), Appworx, Autosys
Domain Knowledge: Financial Domain
PROFESSIONAL EXPERIENCE
Confidential
Big Data Admin
Responsibilities:
- Installed and configured Cloudera distribution of Hadoop through Cloudera Manager and managed production cluster and other development clusters. Install and configure Cassandra.
- Responsible for implementation and ongoing administration of Hadoop infrastructure.
- Aligned with the systems engineering team to propose and deploy new hardware and software environments required for Hadoop and to expand existing environments
- Worked with data delivery teams to setup new Hadoop users. Setting up Linux users, setting up Kerberos principals and testing HDFS, Hive, Pig and MapReduce access for the new users.
- Cluster maintenance as well as creation and removal of nodes using tools like Ganglia, Nagios, Cloudera Manager Enterprise and other tools.
- Performance tuning of Hadoop clusters and Hadoop MapReduce routines.
- Screen Hadoop cluster job performances and capacity planning.
- Monitor Hadoop cluster connectivity and security.
- Manage and review Hadoop log files.
- File system management and monitoring.
- HDFS support and maintenance. Managed different scheduling types.
- Diligently teaming with the infrastructure, network, database, application and business intelligence teams to guarantee high data quality and availability.
- Collaborating with application teams to install operating system and Hadoop updates, patches, version upgrades when required.
- Point of Contact for Vendor escalation
Environment: CDH5, HIVE, SQOOP, PIG, OOZIE, IMPALA, AUTOSYS, CLOUDERA MANAGER, JAVA, LINUX, CENTOS/REDHAT, Cassandra
Confidential
Technical Lead
Responsibilities:
- Designed and implemented Prod, DEV, UAT/QA, Disaster Recovery, SIT environments.
- Managed application OFSAAI administration, Installation, cloning, configuration, application support, upgrade, code migration and implementation.
- Managed Daily batch run from Appworx including ETL and OFSAA batch.
- Responsible for the data analysis and ETL operations for OFSAA applications being implemented in Confidential capital. Consult with operations leaders, managers and consultants for implementation and maintenance of the applications.
- Provide support for the efficient resolution of IT infrastructure related incidents, service requests and update service desk management systems accordingly.
- Develop and maintain documentation process of ongoing operations and administration of infrastructure.
- Responsible to integrate OFSAA application with OBIEE.
- Prepare OFSAA change control requests as required for implementation and upgrades.
- Responsible for OFSAA user administration, Role designs, Server/DB performance monitor.
- Conducted OFSAA technical and batch program trainings.
- Responsible for service now ticket management without missing SLA.
- Coordinate with DBAs, Unix Admins, and WebLogic Admins to make any required environment changes.
- Document OFSAA customizations (data model, application) and deploy across environments, installation steps.
- Responsible for OFSAA service and application restart.
Confidential
Service Delivery Lead (Onsite)
Responsibilities:
- As a Service Delivery lead accountable for managing service delivery applications to one or more client accounts promoting the continuous improvement of productivity, service quality and customer satisfaction.
- 24/7 monitoring for all critical applications and responsible to communicate respective Confidential Managers for any issues and ensures applications are up.
- Provide support for 18 mission critical applications with different technologies such as java, UNIX, java, .net, and vendor provided tools and databases.
- Application includes critical financial services, e-banking, major batch scheduling jobs, online data replication, Critical cheque printing, Invoicing and many application interfaces.
- Co-ordinate, prioritize and align services and resource requirements with service owners across all levels by working with Middleware, L2/L3 team for Unix and windows, GIS, ISS, DBA team.
- Support and provide user access management for all applications.
- Play pivotal role during application outages (planned/unplanned) by engaging GIS command center and leading ITOM calls with Outage management teams.
- Reviewing all P1, P2 tickets, Access requests, service now tasks and problem management tickets on a daily basis. Then provides reports to leadership teams on a regular basis.
- Preparing/updating SOP document for all service delivery apps.
- Provides a focus for SLA management and ensure all critical applications are up and running.
- Ensures and monitors that processes are in place to pro-actively protect. Consistent service quality through rigorous management of change control and acceptance into service procedures.
- Provides expert problem management support to difficult, high profile customer issues and ensures root-cause analysis is conducted and a corrective action plan is followed through with any learning applied for future benefit.
- Effective communication to business users for any outage/event notification.
- All Batch job Monitoring, DR Activity, Server upgrades, Application Migration.
Confidential
Goldengate Admin/Developer
Responsibilities:
- Goldengate replication design, configuration, administration in a highly available environment.
- Implemented Goldengate from scratch in uni-directional and bi-directional modes.
- Performance Management(Create Test plan, identify bottlenecks, monitor and tune)
- Troubleshooting and performance tuning.
- Upgrading patches.
- Debug day to day technical issues.
- Manage escalations of issues as needed.
- Implemented disaster recovery and high availability.
- Setup automated scripts for failure notification of Goldengate processes.
Confidential
Appworx Administrator/Developer
Responsibilities:
- Appworx design, configuration, administration in a highly available environment using LDOM.
- Supported four production and six test environments.
- Involved in procuring licenses from vendor for new remote agents and UC4 ticket management.
- Setup end to end Appworx Automation Engine using LDOM. Also setup remote agents for UNIX, Linux and Windows.
- Worked on Appworx versions 5/7/8. Involved in complete migration for upgraded versions and patch.
- Troubleshooting and performance tuning for slow performance. Archive old history data.
- Provide full support for Monthly reboot, remote agent restart, daily batch monitoring.
- Runs daily reports for job aborts, successful runs and provided to business. Also monitors queues and
- Coordinates with various application teams to help and manage their business jobs.
- Manage escalations of issues as needed and provide KT to different teams on Appworx job setup.
- Implemented disaster recovery and operational restore test for all prod environments.
- Setup automated scripts for failure notification of Master and remote agents.
- Manage Business Units and Customer expectations appropriately.
- Ability to effectively prioritize and execute tasks in a high-pressure environment.
- Own the overall IT Service Strategy and appropriate plans, which implement this strategy to support the customer environments.
- Provides leadership and ownership and resolve any operational escalations or breakdown in process. Escalation point for Customer Business Management and Management for delivery and high priority issues
- Ensure day to day operational delivery and management of problem and incidents resolution
- Self-motivated and able to work independently and autonomously.
- Strong change management skills and Project Management skills.
- Experience working in a team-oriented, collaborative environment.
- Ability to learn new products and technology quicker.
- Good team player by listening to every ones suggestions and showcasing team achievements to senior leadership.