UTHAM PULAVARPU
Sr. Storage Engineer
Irving,TX
Summary
- 10+ years of NAS Administration experience includes Planning and Design, Storage Operations, System (AIX, Solaris, Linux, and Windows) Administration
- Acted as a key technology SME for internal and external stakeholders, giving assistance on firm-mandated controls, compliance activities, and technology roadmaps.
- Ensured that all technological operations and integrations meet business objectives while remaining consistent with company strategies.
- Defined and implemented the necessary system modifications to support the launch of new products and process improvements.
- Product adaptations are recommended to guarantee smooth system integration while also meeting the needs of the client and the technical requirements.
- Identified the main causes of system difficulties, evaluated business consequences, and used problem-solving strategies to address underlying issues.
- Utilized strong experience in the technology area to improve business outcomes, with a thorough awareness of competition products, services, and industry trends.
- Mentored and guided junior team members, promoting professional and technical skill development.
- Influenced critical choices in the engineering function by providing expert advice, consulting, and service facilitation.
- Managed and configured NAS environments on NetApp CDOT to ensure efficient file-sharing services using NFS and CIFS/SMB protocols.
- Volume and Share Management: Created, extended, and maintained NAS file shares and volumes, maximizing data storage and access for a wide user base.
- We used NetApp's Snapshot and SnapMirror technologies to secure and replicate essential NAS file services.
- Configure and maintain NTFS permissions, access control lists (ACLs), and export policies to provide secure NAS data access.
- Implemented and managed storage quotas to restrict file storage consumption in big NAS settings, preventing overuse and ensuring efficiency.
- Optimized NFS and CIFS/SMB performance to satisfy the needs of mission-critical applications by reducing latency and increasing bandwidth.
- Managed Dell Unity NAS systems, which included file system formation, share management (NFS, CIFS/SMB), and performance tuning.
- Set up asynchronous replication and snapshot schedules for NAS file systems to prevent data loss and enable speedy recovery.
- For efficient storage management, we implemented user and directory quotas and used Dell Unity's dynamic storage tiering features to improve resource allocation.
Overview
12
12
years of professional experience
6
6
years of post-secondary education
Work History
Sr. Storage Administrator
Citi Group
Irving, TX
9 2013 - Current
- Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency
- Drive File Strategy program working on innovations, automation projects and CI\CD pipeline
- Perform day-to-day NAS storage support as well as take part in Global projects Manage existing EMC VNX \Unity and NetApp environment Maintain environment updates, prevent security vulnerabilities Identify bottlenecks and performance issues and work with various teams to resolve the issues from a proactive manner
- Work on improving operational maturity to improve stability and deploy proactive wellness checks for Global NAS footprint Work with Wintel / Unix / ESX / Citrix SA teams and storage vendors on case escalation and troubleshooting
- Provide SME level support for performance and outage related incidents Work with other teams to roll out NAS related tools
- Collaborate with product management, application development and hosting teams on project initiatives including performance optimization and capacity management
- Has the ability to operate with a limited level of direct supervision
- Perform daily storage administration activities such as storage provisioning, capacity planning, coordinate plan and break/fix maintenance, perform code upgrades, and adhere to documented storage best practices
- Use NetApp OnCommand System Manager and Unified Manager to track system health, storage capacity, and overall performance
- Examine aggregate, volume, and LUN performance metrics to identify potential bottlenecks
- Examine system logs and error reports for any problems or failures
- Load balance across nodes and aggregates to maintain optimal performance
- Configure, maintain, and resize NAS volumes for NFS or CIFS shares based on business requirements
- Assign storage to programs and users to ensure efficient utilization and space optimization
- Enable Thin Provisioning for volumes to improve space efficiency
- Manage file shares (NFS and CIFS/SMB) and configure permissions via NTFS ACLs or UNIX permissions
- Provisioned block storage from VNX/ Unity by registering hosts, Creating Storage Pools/Raid groups, Creating LUN, creating Storage Groups, and adding hosts to the storage group using Unisphere
- Install firmware updates, patches, and software upgrades during maintenance windows to ensure system stability and security in Dell Unity
- Perform system health checks on NAS servers to ensure that all hardware and software components are functioning properly in Dell Unity
- Perform periodical reboots or failover tests on NAS servers to ensure high availability in Dell Unity
- Generate daily, weekly, or monthly reports on storage utilization using powershell scripts, system health, and performance metrics using Unisphere
- Maintain current documentation for the NAS infrastructure, including configuration details, troubleshooting processes, and operational procedures
- To ensure performance, execute file system integrity checks on a regular basis and defragment as needed
- Review and change snapshot schedules and retention policies to ensure that there is enough capacity for active workloads
- Used Storage Resource Management (SRM) tools to monitor Storage Area Network infrastructure systems such as VNX , UNITY , NetApp
- Installed and configured ECC alerts/agents to supervise Storage environment for Celerra ,VNX ,Unity and NetApp hosts also include was attaching management policies
- Increased SavVol size deleted old check points & Performed failover and Failback operations of Data mover in Celerra NS 40G using Celerra Manager/CLI
- Configured CAVA servers on Celerra , VNX ,Unity and NetApp Configured VDM, CIFS shares and NFS exports on Celerra , VNX ,Unity and NetApp
- Actively participate and coordinate with EMC to perfrom code upgrade on DART and FLARE
- Perform daily NAS Netapp operations and participate in project meeting , business requirements gathering at the client site
- Support the Netapp ONTAP 7 mode and cluster mode systems
- Involved in the migration of data from Netapp 7-mode systems to Cluster mode systems
- Installed and configured the netapp on command system manager
- Involved in creating the CIFS shares, junction paths, NFS Mounts on FAS3220 Cluster
- Handling Configuration and Administration of Volumes, User Quotas, Qtrees, Snapshots, Snap mirrors
- Installation, Configuration and integration of NetApp filers with the Windows and UNIX environment, experience with CIFS, NFS, LUN management, Managing Quotas and permissions, managing disks
- Worked with NetApp to upgrade the data Ontap version on the filers
- Worked with NetApp to upgrade the disk and shelf firmware and coordinating with different customers during an outage.
Storage Engineer
Texas Instruments
Dallas, TX
10.2012 - 09.2013
- Implementation, administration and maintenance of high end storage arrays like Hitachi and NetApp
- Closely worked with storage architects to get space cleared for new requests and maintain the storage array
- To handle all the storage provision (creation/expansion) in the project that was raised by the user
- Manage and resolve problems identified by sys admins or monitoring software
- Work with change and problem management tools
- Work with other support groups (UNIX, WINDOWS, and DBA) to resolve storage related issues
- Disaster recovery planning, design and documentation Planning, preparation and implementing data ontap upgrades
- Working with CIFS and NFS allocations
- Management of Cluster takeover and giveback
- Part of the providing 24x7 support to the client in network operations centre Manage the aggregates, volume, qtree
- Export Nfs and cifs share the volume/qtree to the client and manage permissions
- Upgraded Fas2050 model from 7.3.1p2 to 7.3.5.1p3
- Upgraded ontap versions from 7.3.5.1p3 to 8.1.2p1 on models 32xx and 62xx Perform various methods of data migration from NetApp to NetApp on FAS3050 , FAS 3140 series to FAS 32xx and providing the customer with practical methods in transferring large amounts of data to remote locations
- Upgraded Brocade Fabric OS 6.3.2b/6.4.1a to 6.4.2b during various weekdays and weekends
- Upgraded Cisco Swithces from 4.2(3a) to 5.0.8 and then to 5.2.6 on model ds-c9513, ds-ibm-fc/k9 Manage the user home directories
- Manage important configuration files (/etc files)
- Perform tasks like monitoring, performance diagnosis
- Build and manage Snap Vault & Snapmirror relationship
- Hands on DFM to Create Groups ,run reports and diagnosis
- Managing Hitachi USPV/VSP Storages through command suite 7 Working on the Capacity Request managing the pools Created CIFS shares in Hitachi.
Education
Master of Science - Information Technology
North Eastern Illinois University
Chicago, IL 09.2009 - 12.2011
Bachelor of Science - Computer Engineering
JNTU
Hyderabad 04.2004 - 06.2008
Skills
Storage Provisioning
Backup and recovery
Disaster Recovery
Data Replication
Storage Management Tools
Storage System Documentation
Storage System Maintenance
Storage System Optimization
Storage vendor management
Storage Capacity Planning
Storage Best Practices
Timeline
Storage Engineer
Texas Instruments
10.2012 - 09.2013
Master of Science - Information Technology
North Eastern Illinois University
09.2009 - 12.2011
Bachelor of Science - Computer Engineering
JNTU
04.2004 - 06.2008
Sr. Storage Administrator
Citi Group
9 2013 - Current
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