Technology Leader - Cloud & Data

DASARATHY RAGHUNATHAN

Fremont, CA ● **********@*****.*** ● 408-***-****

TECHNOLOGY LEADER, ENGINEERING & OPERATIONS

CLOUD ARCHITECTURE ● DATABASE ARCHITECTURE

FINANCIAL SERVICES ● INTERNET ● MOBILE

Proven ability to successfully design, build, streamline, optimize and maintain enterprise technology functionality, performance and recoverability in a business-critical environment. Master problem solver, with ability to get to the root cause of a problem and then execute a workable solution. Outstanding relationship builder and mentor, successfully managing high-performance teams and partnering with senior leaders to deliver business results.

RDBMS technologies Technology Deployment IaaS

NoSQL technologies Cloud Technologies 24x7 Operations OpenStack Change Management Recruiting & Interviewing

Open source technologies Database & Cloud Monitoring Disaster Recovery

Technology Scalability Project Management Staff Management

PROFESSIONAL EXPERIENCE

PayPal, San Jose CA Jan 2016 to Nov 2016

Leading global payments company.

SENIOR MANAGER, CLOUD – IAAS

Responsible for the design, development and adoption of products to administer and manage the PayPal private cloud. . Products built for asset and configuration management will also be adopted for gear outside the cloud. Leads a team of 9 software developers and systems engineers. PayPal’s private cloud is based on OpenStack and exceeds 100,000 VM’s in size across more than 12 availability zones. This team also manages the core OpenStack AMQP based queuing in RabbitMQ and persistent data layers in MySQL databases, Keystone and Horizon, which are the entry points into OpenStack.

Business-critical initiatives include ensuring the highest levels of uptime and performance of the OpenStack identity management framework, queuing and database infrastructure, centralized monitoring for cloud operations, and the development of a configuration management system to implement disaster recovery readiness for the PayPal site.

Accomplishments included:

Delivery of several rules to measure and report the disaster readiness level of the PayPal site’s infrastructure. Spanned all the layers of the stack.

Designed and oversaw the certification of CPU overcommit across the site to increase capacity by 30%. This saved the company several millions in capex cost in 2016.

Delivered a data warehouse for Cloud capacity management. The warehouse centralized the cloud inventory, state and operational metrics of all hypervisors and VM’s.

Delivered enhanced cloud monitoring solutions using the ELK stack, Splunk, Zabbix, Graphite and MySQL Enterprise monitor.

PayPal, San Jose CA 2012 to Jan 2016

Leading global payments company.

SENIOR MANAGER, DATABASE ENGINEERING & OPERATIONS

Fully responsible for all proof of concepts, deployment standards, engineering deliverables and production operations of the relational and NoSQL databases powering the PayPal signature site. Directed up to 25 database engineers. The technology stack was based on Oracle RAC, Exadata, ASM, Active Data Guard and Golden Gate. The noSQL technologies included Couchbase, Cassandra, Mongo and Aerospike. The fleet size was more 200 databases, several of them terabytes in size, a few more than 100TB, with SQL executions about 100,000/sec for the busiest OLTP DB.

Business-critical initiatives include identifying and certifying new technologies, establishing deployment standards and operational best practices, database capacity management and working with Product Development to optimize system design, change planning, deployment, patching, incident analysis and management, issue management and 24x7x365 database availability. Global responsibilities encompass Disaster Recovery, new technology support and operations readiness, database deployment standards, capacity management, compliance and audits, database security and vendor relationships. Mentored, coached and motivated a global team of database engineers.

Accomplishments included:

Delivered consistent Y-O-Y improved database ATB, eventually exceeding 4 9’s with very low average time to detect and time to restore for incidents.

Created strategy for Oracle patch management to limit exposure through poor patch quality and ease of deployment.

Created strategy and system for incident management. Built portal to record and track site incidents ensuring a complete incident lifecycle through root cause and corrective actions. New system was adopted by the PayPal command center.

Led the execution of a critical project to enable further scalability of the busiest RAC cluster on the site, through the implementation of an external cache. This project was critical to ensure a successful holiday season for PayPal in 2014.

Created strategies to limit and eliminate production downtime. Championed the use of standard operating procedures aimed to emphasize availability. This was especially significant due to the changing paradigm in the site architecture standards.

Drove operational readiness projects for live monitoring and management of databases, both RDBMS and NoSQL.

Directed initiative aimed at making ad hoc data access efficient through self-service.

DASARATHY RAGHUNATHAN ● Fremont, CA ● **********@*****.*** ● 408-***-****

Oracle America, Redwood Shores CA 1999 to 2012

World's largest business software company.

SENIOR MANAGER, CUSTOMER SUPPORT, DATABASE SCALABILITY/RAC (2007 to 2012)

Promoted with full leadership responsibility of technical support team.

Business-critical initiatives included ensuring customer deployment success and satisfaction. Directed 10 to 22 staff including Engineers, Senior Support Engineers and Senior Principal Support Engineers. Collaborated with Sales and Consulting Services in closing deals and delivering successful technical field engagements. Worked closely with Product Development to report customer experiences and suggest enhancements. Hired, trained and mentored technical support personnel and conducted performance reviews.

Accomplishments included:

Proposed and led 24x7 operations automation project. Intended to reduce costs by multiple millions-of-dollars.

Improved the adoption rate of standard diagnostic methodologies from 10% to 80%. Increased customer satisfaction by 5%.

Successfully developed and mentored 2 Engineers to their highest career level. Integrated into escalation team to reduce response time.

PRINCIPAL SUPPORT ENGINEER, DATABASE SCALABILITY/RAC (2004 to 2007)

Promoted to deliver support services to customers deploying Oracle databases for High Availability-RAC and Dataguard. Business-critical responsibilities included: Ensuring customer deployment success and satisfaction.

Documented service requests and bugs. Collaborated with Engineering to provide bug fixes. Designed and built test cases to uncover product defects. Created work-around strategies to help customers move forward. Mentored and trained Junior Engineers. Handled troubleshooting escalations.

Accomplishment included:

Tested 3 new features of Oracle 11gR1 prior to product release. Educated product engineering in running automatic workloads against databases resulting is faster, more effective testing. Within 3 months, identified and resolved 30 critical bugs before the product was released.

PRINCIPAL SUPPORT ENGINEER, MAINFRAME AND INTEGRATION TECHNOLOGIES (1999 to 2004)

Hired to deliver support services to customers deploying Oracle databases and gateways to non-Oracle databases. Business -critical initiatives included ensuring customer deployment success and satisfaction. Documented service requests and bugs. Collaborated with Engineering to provide bug fixes. Designed and built test cases to uncover product defects. Created work-around strategies to help customers move forward. Mentored and trained Junior Engineers. Handled troubleshooting escalations.

Accomplishments included:

Invited to present a seminar at the MVS Oracle SIG on facilitating problem diagnosis. Over 150 customers attended this conference resulting in improved resolution times for future service requests.

Resolved a complex long-standing problem involving multiple vendors at a high-profile customer. Resulted in turning-around customer and saving account.

Published technical bulletins describing troubleshooting methods and techniques. Resolved customer issues, eliminating service requests.

TECHNICAL MANAGER, Covansys, San Bruno CA

SENIOR SYSTEMS ANALYST, Tata Consultancy Services, Chennai, India

EDUCATION

Master of Engineering, Electrical Communication Engineering, Indian Institute of Science, India

Bachelor of Science, Physics, University of Madras, India

PROFESSIONAL CERTIFICATION

Certified Support Manager

PROFESSIONAL DEVELOPMENT

Oracle Exadata, Concepts & Administration

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