SEEMANTINI DAN

Phone: 408-***-****

adkrl2@r.postjobfree.com

Senior Technology Professional with over 11 years of experience in Cloud Data Platform and Database Engineering, Cloud Computing, Software Engineering, Application and Database Administration, Technology Delivery and Operation, Technical Program and Project Management, and Solution Architecture. Focused, result-driven, enthusiastic, hard-working, “out-of-the-box” thinker, and consistently successful in identifying, learning and driving new technology adoption to enable organizational business growth. Areas of expertise include:

Database Administration

Database Engineering

Cloud Computing

Cloud Data Platform

Database Architect

Application Administrator

IaaS, CaaS, Paas, FaaS, SaaS

Capacity Planning

Global Operations

Quality Management

HA, DR & Business Continuity

Change, Release Management

ITIL / ITSM / Service Delivery

IT Project / Program Management

Software Engineering / SDLC

EXPERTISE

Cloud Computing (IaaS, CaaS, Paas, SaaS): AWS, Microsoft Azure.

Cloud Migration (Infrastructure, Application, Database and Data), platform modernization, legacy modernization, refactor, rearchitect, API, micro-services, Infrastructure as-a-code – Terraform / CloudFormation.

Solution Architect, Enterprise Architect, Technical Program Manager, Project Manager, Capacity Planning, Change Management, Release Management.

Database Administration & Engineering, Data Platform Engineering and Administration, upgrade, migration for RDBMS (relational), NoSQL, Columnar, KeyValues Stores and Big Data on Cloud, On-Premises and Hybrid:

oOracle, Microsoft SQL Server, Snowflake, MySQL, MongoDB, Couchbase, Cassandra, Aerospike, DynamoDB.

SQL Server Analysis Services (SSAS), SQL Server Reporting Services, SQL Server Integration Services (SSIS), Side-by-Side and In -Place migration, Cluster Enterprise, AlwaysOn Availability Groups.

Oracle E-Business Suite / ERP / CRM (multi-node) Installation and Maintenance

Oracle Grid Infrastructure, RAC / Clusterware (CRS), ASM, Oracle Enterprise Manager (OEM), RMAN.

Oracle Advance Security, Database Vault, Transparent Data Encryption (TDE), Data Masking.

Solaris, AIX, HP-UX, Linux. Oracle Supercluster, OS upgrade, data center migration.

Golden Gate (unidirectional, bi-directional, multi-master environments, RAC, Conflict Detection & Resolution (CDR), Load testing, heterogeneous replication between MySQL and Oracle, Veridata).

Python, PHP, Shell Script, HTML, SQL, JavaScript, Automation.

Mongo DB Mlab, MongoDB Atlas, SnowSql, Snowpipe, Snowpack.

High Availability, Backups & Recovery, Disaster Recovery / Clustering (Active-Passive and Active-Active), Business Continuity, Log Shipping, Mirroring (high safety / high performance), Replication (Snapshot & Transactional).

Monitoring Platform – Grafana, Splunk (SignalFx), Slack bots, Sherlock, System Center Operations Manager (SCOM), Nagios, Solar winds, Ignite, and Toad.

Application administration, upgrade, and Integration – Oracle ERP, Workday, Salesforce, ServiceNow, Slack, BMC Remedy, Apttus, Flexera, Sabrix, Hyperion, Apex, Discoverer, Eflex, Keygen, iDAM, APPWORX, WebLogic.

EXPERIENCE

PAYPAL San Jose, CA

Lead, Cloud Database & Data Platform, Database Architect Nov2018-Till date

Managing PayPal’s highly secured one of the world’s largest business critical OLTP system supporting 350 million active users interaction on daily basis (during peak traffic, supporting 800K+ execs/sec), built on Oracle 11g/12c/19c, Exadata, RAC, OEM, ASM, Data Guard, Uni & bi-directional Goldengate replication, MySQL, SQL Server, Snowflake, MongoDB, Cassandra, Couchbase and Aerospike.

Managing Multi-datacenter traffic with A/A architecture supported by 2-way Goldengate configuration with conflict detection and resolution, Sharded design to support horizontal scaling of infrastructure and application read/write split for better scalability.

As technical program manager and Incident Manager, leading business critical incidents starting with managing resources engagement across DBA, Infrastructure, Application, and SRE to driving resolution to analyzing root cause to implementing proactive measures to avoid future occurrence all the way to presenting to leadership.

Designing and implementing mission critical projects from inception to finish maintaining 99.99% database and systems availability.

Planning and implementing database and application security, hardening, access control, 100% compliance checks, password rotations and vaulting in keymaker application through automated scripts for all critical accounts.

Designed and developed centralized Inventory of all database systems to enable associated team to obtain required information as well as feeding data into monitoring platform.

Leading, designing and managing development initiative using Jira, GitHub, Bitbucket for both Waterfall and Agile (Scrum and Kanban) methodology including driving sprint planning and execution, and measuring velocity and sprint retrospective.

SYMANTEC / VERITAS TECHNOLOGIES Mountain View, CA

Sr Database Administrator, Sr Database Engineer Sept 2013 – Nov 2018

Led implementation, support, monitoring, performance tuning and troubleshooting for many production environments, databases, applications, identity access management (iDM, iAM iDAM) systems, and active directory (AD); managed oracle cloud service team and led collaboration with Business, and other IT functions including security, DevOps. Provided routine status reports to senior leadership and derived business decision.

Led Cloud migration of 200+ Oracle, SQL server, MySQL databases of size up-to 100TB from Symantec to IBM data center, migrated storage using Veritas Volume Replicator (VVR).

Installed, configured and supported Microsoft SQL Server on Veritas cluster environment and secondary replica using automatic seeding, jobs automation and scheduling using APPWORX.

Designed and developed script to monitor events, problem, failure, connectivity between primary and disaster recovery, resetting high watermark for interface & base tables, led network issue troubleshooting using Wireshark

Cloned / refreshed and automated cloning process of multi node EBS / ERP environment’s database (11g/ 12C) and applications (11i / R12). Designed and implemented a proactive purging strategy for permanent, audit and temporary data.

Led and applied Oracle CPU Patches, AD Mini Packs, Maintenance Packs, DB Patches, bug fixes, and applications patches, performed capacity planning, load and performance testing for critical business applications.

Designed, implemented, supported Golden Gate and resolved related issues including syncing up data with Veridata. Implemented Oracle Database Vault and Transparent Data Encryption for sensitive databases.

Managed 500+ oracle ERP / EBS apps, Databases, and Legacy Systems; configured, upgraded and managed data guard, OEM, and Converted Shareplex and Steams to Golden Gate for critical eStore system.

Led modernization and consolidation of 36 systems to 15 systems to reduce resource utilization & licensing cost by 30%, led moving ERP applications and databases from Legacy to Oracle engineered Super Cluster system.

Led separation of veritas ERP and databases on Oracle Super Clusters from Symantec. Planned and migrated databases, applications to the Symantec’s Next Generations Data Center (NGSDC).

Led and performed in-sourcing of sustenance environments from Accenture and HP including transition plan, KT documents, and Runbook creations.

Planned, led and upgraded Oracle Database, Opatch Utility, Apache Tomcat, Java Version, Oracle 10g Audit Vault, OEM and application.

OSI CONSULTING, INC Irvine, CA

Database Administrator & Database Engineer Sep 2011 -Sep 2013

Installed, upgraded and supported Oracle Database (up-to 11g) and Oracle application EBS / ERP (up-to R12) for Wonderful Company (Fiji Water, POM Pomegranate, Paramount Farming)

Maintained, managed and upgraded IAS Server, Oracle Fusion Middleware / Fusion Apps, JRE plug-in, Apex, and Discoverer for customer including TaylorMade.

Designed and developed backup & recovery on to EMC Data Domain using deduplication & fast copy for 40 TB 16 nodes RAC DB for Salesforce, reducing backup time by 75% and size by more than 70%, and tablespace point-in-time (TSPITR) recovery automation leveraging Auxiliary instance for source and reference instance for Master Card and Stroz Friedberg.

CALIFORNIA STATE UNIVERSITY, FULLERTON Fullerton, CA

Database Administrator & Full-Stack Web Developer Jan 2010 - April 2011

Performed MySQL database administration activities for Philosophy, and Grants and Contract system users.

Designed, developed, updated and maintained various departmental web sites, created graphical designs, led digital marketing initiatives for department by integrating various social media tools (Facebook, Twitter, etc.) and video sites (e.g., YouTube) with front-end website and backend databases using MySQL, PHP, HTML, ASP.NET.

EDUCATION

CALIFORNIA STATE UNIVERSITY, FULLERTON Fullerton, CA

M.S., Computer Science June 2011

GPA 3.75/4.0

BURDWAN UNIVERSITY Burdwan, India

B.E., Electronics and Communication Engineering May 2002

Aggregate 76.2% (with Distinction / Honors), Stood 2nd in the University Ranking.

TRAINING & CERTIFICATION

AWS Solution Architect

Oracle Database 11g Administration

Oracle Grid Infrastructure 11g: Managing Cluster ware and ASM

Oracle Database 11g: Managing Oracle on Linux for DBAs

Oracle 11g: RAC and Grid Infrastructure Administration Accelerated

R12.x Install /Patch / maintain Oracle E-Business Suite

Oracle Enterprise Manager 12c

AWARD & RECOGNITION

2020 CEO award (most prestigious award given to only top 1% performer) at PayPal.

2020 Spot Award for securing critical systems against vulnerabilities and define access control policies.

2018 IT excellence award from CIO at Veritas / Symantec.

5+ applause award at PayPal.

15+ WOW awards at Symantec / Veritas.

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