SATHISH NATHAMUNI
Eden Prairie,MN
Summary
Enterprise storage and data protection specialist focused on SAN/NAS design, cloud object storage, backup modernization, and disaster recovery readiness. Builds automated provisioning and reporting workflows, tunes performance and capacity planning, and supports resilient environments with zero-trust security controls and recovery processes that keep services aligned to SLAs.
Overview
1
1
Certification
23
23
years of professional experience
Work History
Staff Engineer Storage and Data protection
TATA Consultancy Limited
Richfield, MN
07.2013 - Current
- Strengthened ransomware defenses by turning on encryption across storage and backup platforms, adding MFA, SSO, and multi-factor controls, and integrating CyberArk PAM for privileged access protection, helping lower cyber-insurance costs and improve enterprise security posture.
- Reworked Oracle workloads onto NAS with dNFS, removed Fibre Channel fabrics, cut storage TCO by 35%, increased I/O throughput by 45%, and delivered $1.5M in recurring savings through simpler network storage.
- Supported early Cloudian HyperStore POC by testing performance, durability, and S3 compatibility, logging 15+ enhancement requests that enhanced replication behavior, metadata performance, and operational visibility, enabling Best Buy to build scalable object storage tier with $500K+ annual savings.
- Supported one of first Rubrik POCs during startup phase, identified functional gaps, and submitted 20+ enhancements that shaped Rubrik roadmap, strengthening Best Buy backup modernization and speeding enterprise readiness.
- Automated enterprise capacity reporting, cutting manual effort by 80% and enhancing forecasting accuracy for better resource management.
- Automated clone creation workflows, cutting provisioning time from hours to minutes and improving SLA adherence.
- Built provisioning and reporting automation with PowerShell, Ansible, and REST APIs, reducing manual operations by 60%.
- Designed multi-tier storage solutions with NetApp, Pure Storage, and EMC PowerMax, improving performance by 40%.
- Led multi-site DR planning and testing, maintaining full RPO/RTO compliance and successful annual DR drills.
- Directed global operations teams supporting 24/7 storage and backup services.
- Migrated legacy SAN/NAS to NetApp ONTAP and Pure Storage, achieving 90% reduction in outages and enhancing service reliability.
- Consolidated backup platforms with Rubrik and NetApp, cutting backup windows by 50%.
- Client: BESTBUY
EMC Storage Administrator
Computer Sciences Corporation (CSC)
, India
12.2011 - 07.2013
- Administered EMC storage arrays, provisioning and tuning performance to optimize data accessibility.
- Supported backup and recovery operations, ensuring data integrity across global environments.
- Ensured high availability and compliance with enterprise SLAs to maintain operational continuity.
- Client: Estée Lauder Companies Inc
Senior Specialist – Storage Administrator
HCL Technologies
Greater Chennai Area
06.2008 - 12.2011
- Managed enterprise SAN/NAS environments and backup systems to ensure data availability and integrity.
- Executed storage migrations and conducted DR testing and infrastructure upgrades to support seamless operations.
- Collaborated with global teams to improve storage reliability and performance, enhancing user experience.
- Client: Lowe's
Customer Support Engineer
RT Outsourcing Services Ltd
Greater Chennai Area
07.2007 - 06.2008
- Provided technical support for hardware, storage devices, and enterprise systems, resolving issues to maintain system reliability.
- Delivered troubleshooting and installation services for enterprise clients, enhancing customer satisfaction through effective problem resolution.
- Resolved customer inquiries through RT Outsourcing Services Ltd support channels.
- Troubleshot product issues using company service knowledge and escalation procedures.
- Documented cases in ticketing systems for RT Outsourcing Services Ltd.
Technical Support / IT Engineer
Synergist India
Chennai
06.2003 - 06.2006
- Developed expertise in enterprise systems and provided effective customer support.
- Managed installations and configurations while resolving day-to-day technical issues.
- Supported IT infrastructure and hardware to ensure reliable system operations.
Education
Diploma - Information Technology
Shanmugha Arts, Science, Technology & Reserch Academy (SASTRA)
Tanjavur, India04-2022
Skills
- Enterprise Storage Architecture
- NetApp AFF, Pure Storage, Dell EMC (PowerMax, Unity, Isilon)
- Cloudian S3 Object Storage, multi-protocol NAS/SAN design
- Performance tuning, capacity planning, and storage lifecycle optimization
- Multi-cloud storage integration (AWS, Azure) and hybrid architecture design
- Storage Area Networking
- Cisco MDS Fibre Channel switching
- Brocade SAN switches and fabric zoning best practices
- End-to-end SAN performance engineering and fault isolation
- Data Protection & Backup Modernization
- Avamar, Data Domain, Rubrik, Cohesity, Commvault
- Backup policy design, SLA alignment, and retention optimization
- Immutable storage, air-gapped architectures, and rapid recovery workflows
- Backup footprint reduction, deduplication strategy, and restore acceleration
- Cybersecurity & Zero-Trust Controls
- Enterprise ransomware protection frameworks
- Zero-trust architecture for storage and backup ecosystems
- Encryption at rest/in-flight, MFA enforcement, and privileged access hardening
- Security posture assessments and compliance alignment (SOX, PCI, HIPAA)
- Disaster Recovery & Resilience Engineering
- Multi-site DR strategy, orchestration, and failover readiness
- RPO/RTO engineering, DR runbook creation, and automated failover testing
- Business continuity planning and resilience scoring
- Project & Program Management
- Enterprise-scale program delivery across infrastructure, storage, and data protection
- Roadmap development, milestone planning, and cross-functional execution
- Budgeting, forecasting, vendor management, and contract negotiations
- Stakeholder alignment, executive reporting, and risk/issue management
- Agile, Waterfall, and hybrid delivery models
- KPI definition, performance tracking, and continuous improvement
- Change management, communication planning, and adoption enablement
- ITIL & Service Management
- ITIL-aligned service lifecycle management (Incident, Problem, Change, Release)
- Root cause analysis (RCA) and post-incident review leadership
- Service catalog design, SLA/OLA definition, and operational governance
- CMDB accuracy, configuration management, and asset lifecycle control
- Process optimization and automation to reduce operational overhead
- Leadership & Operational Excellence
- Leading global 24/7 storage and data protection operations
- Building high-performing engineering teams and mentoring technical talent
- Driving modernization, automation, and operational efficiency initiatives
- Cross-domain collaboration with security, cloud, network, and application teams
- Data Collection, Analysis & Reporting
- Trend analysis, capacity forecasting, and performance analytics
- Executive dashboards, operational metrics, and SLA compliance reporting
- Automation of reporting workflows using scripts, APIs, and orchestration tools
Personal Information
Visa Status: Green Card
Certification
- Lean Six Sigma Black Belt (ICBB) Simplilearn —Credential ID: 2490895
- TOGAF Certified (Enterprise Architecture) The Open Group Credential ID: 492989
- ITIL V3 Framework
- EMC Certified Data Center Architect
- EMC Symmetrix Solutions Specialist
- EMC Certified Associate - Information & Storage Management (ISM)
Accomplishments
- Strengthened enterprise ransomware resilience with encryption, MFA/SSO/multi-auth, and CyberArk PAM, reducing cyber-insurance premiums and elevating security posture.
- Re-architected Oracle workloads to NAS using dNFS, eliminating Fibre Channel, cutting TCO by 35%, boosting I/O by 45%, and generating $1.5M annual savings.
- Delivered multi-petabyte storage migrations ahead of schedule, avoiding major vendor lease penalties and ensuring seamless, disruption-free cutovers.
- Led early Cloudian HyperStore POCs, delivering 15+ product enhancements and enabling a scalable S3 tier that saved $500K+ annually.
- Drove one of the first Rubrik POCs, submitting 20+ roadmap-shaping enhancements that accelerated product maturity and strengthened Best Buy's backup modernization.
- Managed 48PB of multi-vendor enterprise storage with a lean global team, ensuring high availability, performance, and operational efficiency.
- Supervised and developed a global team of 8, fostering operational excellence, collaboration, and a high-performance engineering culture.
Timeline
Staff Engineer Storage and Data protection
TATA Consultancy Limited
07.2013 - Current
EMC Storage Administrator
Computer Sciences Corporation (CSC)
12.2011 - 07.2013
Senior Specialist – Storage Administrator
HCL Technologies
06.2008 - 12.2011
Customer Support Engineer
RT Outsourcing Services Ltd
07.2007 - 06.2008
Technical Support / IT Engineer
Synergist India
06.2003 - 06.2006
Diploma - Information Technology
Shanmugha Arts, Science, Technology & Reserch Academy (SASTRA)