Dan reznick resume_05102016

Daniel Reznick NCDA, CNE, CCA
Phone: (917) 981-5352
86 Falcon Rd., Livingston, NJ 07039
reznid01@gmail.com
http://www.linkedin.com/in/dreznick
Technical IT Manager with broad Operations, Support, Services, and Training background. Extensive experience in strategic planning,
process development and leadership, along with in-depth technical knowledge necessary for implementing, managing and maintaining
complex Networks, diversified Systems and Storage architectures in mission critical production and Data Center environments, Business
aligned Applications and Software Technologies.
S T R E N G T H S
• Data Center Technologies
• Leadership and Executive Coaching
• Performance Assessment
• Process Reengineering
• Project Management
• Team Building/Management
• Problem and Change Management
• IT Service Level Management
• Advanced Technology Integration
• Expense/TCO Reduction
• Resilient Systems Design and Disaster Recovery
• Systems Configuration, Optimization
• Technology Needs Assessment
• Technology Rightsizing/Upgrades
T E C H N O L O G I E S
• Cisco Data Center
• Storage (traditional, converged and hyper-converged)
• DAS, NAS, SAN, RAID , iSCSI, FC, SRP
• Continuous data protection, cloning, data replication over
FC and IP and snapshot technology, De-duplication
• CISCO / Whiptail INVICTA, ACCELA, XLR8R Storage
• NetApp FCP, ISCSI and CIFS SANs, SNAPmirror,
SYNCmirror and SNAPvault
• AWS private and public cloud
• Load DynamiX storage performance appliance
• CISCO switches - Fiber channel MDS 9200 and Ethernet
Nexus 1000-5000 series
• VMware: ESX, vSphere v.4- 6 & VMware View v.5-6
• Citrix: Netscaler v. 9-10, XenDesktop v.5-7
• Veeam Backup for VMware
• CommVault 9 Enterprise Backup Software
• Linux File Systems, Networking, LVM and bash scripting
• Active Directory and Windows Domain Architecture
• Microsoft Windows Server 2008 & 2012 (R2)
• Microsoft Clustering Services (MSCS)
• Microsoft IIS and Digital Certificate Servers, SSL, PKI
• Microsoft SQL Server 2005, 2008, 2012
• WSH, VBScript, PowerShell, Perl, Shell scripting, configuration and
cloning tools. Use of vendors API for automation
• TCP/IP, DNS, DHCP, WINS, CIFS, ICA, RDP, RIP, IGRP, SMTP,
SNMP
• CISCO UCS and HP ProLiant Blade Servers
• Advanced performance-tuning and troubleshooting tools
• CIM, MOM, SNMP
• Symantec End Point Protection anti-virus client/server software
NDMP, Legato, Veritas BackupExec and NetBackup
• Veritas Volume Manager
• Novell NDS Design, NetWare 3.12-6.5 / SUSE Linux
• WSUS, Update Expert and PatchLink patch management
• Microsoft Terminal Services
• Windows Security Assessment and Configuration
• Strategic planning, application of ITIL methodology and developing /
maintaining customer satisfaction
PROFESSIONAL EXPERIENCE:
CISCO Systems, Iselin, NJ 08830
Senior Escalation Engineer / Team Lead 10/2013 – 04/2016
Manage activities of Global Storage Escalation Team responsible for providing second / third level support for Cisco Enterprise Storage
and related products. Coordinate technical resources, provide timely updates related to case status to internal management and clients,
collect and analyze statistical data to improve support services and operational capacity.
Responsible for collaboration with Customers, Account Teams, Technical Assistance Center (TAC), Product Management and
Development/Engineering to architect complicated deployments and resolve critical customer issues. Influence the direction of future
product development through ongoing discussion with Product and Engineering teams to ensure that issues found in the field are
resolved and features requested by the customers are included in upcoming releases. Create and implement Root Cause Analysis (RCA)
process linked to bug tracking system to highlight issues which needed resolution via product updates.
Provide technical guidance and training to members of escalation team and TAC. Responsible for troubleshooting of complicated cases
in an Escalation Lab where duplicates of customer’s environments were setup to reproduce and solve complex issues. Primary contact
for large/strategic customers in government, financial and health care verticals.

| Daniel Reznick | Phone: (917) 981-5352 | email: reznid01@gmail.com | LinkedIn: http://www.linkedin.com/in/dreznick
Build and develop reference architecture, develop solutions to address complex multi-platform system integration in line with CISCO
standards. Work closely with clients’ management and engineering teams to architect scalable, highly available solutions for customers
utilizing CISCO product line.
Architect client’s Datacenter Consolidation Design aimed at consolidating Infrastructure from large number of locations globally to
virtualized technologies in 3 Global Data Centers resulting in standardized support, improved IT security, globalization of applications
and accelerated time to market on new IT projects. Develop client’s Enterprise Disaster Recovery (DR) strategy that is consistent with
business plans, guard against data loss and improve recovery time for business critical applications and services. Develop strategy details
for scalability & technology supporting site-wide recovery consistent with business RTO / RPO.
Advanced Level knowledge in Cisco Data Center. In depth understanding and working knowledge on various Cisco and Industry
Technologies:
• CISCO UCS
• CISCO MDS 9200 switches family
• Nexus family switches (N5K, N3K, N2K)
• Storage (traditional <HDD / SSD>, converged and hyper-converged)
• Hypervisors (VMware, Citrix, MS Hyper-V)
• Storage protocols FC, iSCSI, SRP
• Multipath configuration for all major OS
• Linux servers, HA, LVM, scst
• UNIX / Linux bash scripting
• MS Windows servers, Active Directory (AD), Group Policy (GP)
Whiptail Technologies, Whippany, NJ 07981 05/2012 – 10/2013
Global Technical Support Manager
In charge of Global Technical Support team responsible for full scope support of internal staff and any customer issues related to
Whiptail’s storage product line. Collect, track, and analyze departmental statistical data for the purposes of improving operations and
forecasting staffing needs.
Architect, design, manage, and support of the internal infrastructure including network, server, storage, middleware, databases,
backup and virtualization systems.
• VPN using CITRIX Netscalers
• Active Directory Services
• Group Policy (GP)
• Microsoft Windows 2008-2012R2 servers
• AWS private and public cloud infrastructure
• Linux Red Hat and CentOS servers
• Outlook 365 with authentication linked to the local institutional Active Directory
• DNS/DHCP
• PXE
• Storage using Whiptail scaling systems
• File and print sharing
• VMware clustered ESX environment (version 5.1-5.5)
• Virtual Desktop Infrastructure (VDI) using CITRIX Desktop (version 5.6 -6.x)
• VEEAM backup and replication
• Maintain DR and business continuity capabilities for storage using DRBD and ASYNC
• Link clustered MS SQL 2008 environment with SalesForce.com account using API
Provide technical expertise for both short and long term strategies for new technology procurement and deployment. Identify long term
business requirements and specify technology solutions based on Service Deliver Catalogue. Business Continuity Planning (BCP).
After CISCO acquisition of Whiptail Technologies participate in merge and integration of Whiptail infrastructure into CISCO
Network. Responsibility areas are:
• Migration of AWS resources to CISCO private cloud
• Active Directory/Exchange

• Group Policies (GP)
• DNS/DHCP/PXE
• Storage
• VMware infrastructure.
Assist global sales organization by providing tactical and strategic solutions to address customers’ issues. Participate in pre-sales Proof of
Concept (POC) client installations that in multiple cases led to successful sale.
Provide second level support for Whiptail storage appliances and scaling systems. Collaborate with engineering, product management
and sales teams to improve product features, stability and overall customer experience. Follow up with customers to ensure their
satisfaction. Develop documentation, training materials, knowledge base and best practice articles for internal use and customers.
Design and manage customer replication LAB for recreation of customer’s issues to facility resolution for complex issues.
Work with the customers to improve performance of:
• VMware ESXi servers
• Citrix XenApp servers
• Citrix XenDesktop and VMware Horizon View
• Microsoft Windows servers (clustered, physical and virtual)
• LINUX servers (clustered, physical and virtual)
• FC and iSCSI networks
• Multipath configuration for all major OS
• SQL Databases
Mount Sinai School of Medicine, New York, NY 11029 07/1997 – 05/2012
Director of Library and Academic Systems
Manage projects portfolio across multiple major IT initiatives. Manage and lead activities of Server/Storage team providing engineering,
integration and support of a sophisticated multi-site, multi-platform Enterprise Infrastructure and Applications for network of over 5,000
users. Deliver strategic and long-range engineering solutions with a strong focus on delivery. Develop technology solutions for both short
and long term strategies. Implement processes, governance and best practices that allow delivery of implementation projects within
allotted time and budget, maintain client satisfaction while obtaining efficiencies and cost reductions directly contributing to increased
ROI and the organizations bottom line. Develop high level project plan, technical and implementation documentation. Manage 3rd level
escalations.
• Manage all technology aspects of organization’s Infrastructure including Active Directory, Group Policies, Storage,
Virtualization, File and Print Services, MS SQL Administration, Software Distribution, Data Backup and Recovery
• Responsible for troubleshooting, management and maintenance of over 100 mission critical servers running MS Windows and
SuSE Linux Operating Systems.
• Responsible for management and maintenance of institutional NetApp Storage Area Network with capacity of over 800 TB with
mixed FC, SAS and SATA derives over FCP, iSCSI and CIFS protocols.
• Hold functionality reviews and work with Messaging group on planning and configuring Microsoft Exchange 2010 clusters
and connecting them to SAN infrastructure. Integration Microsoft Exchange 2010 across multiple Microsoft Exchange email
environments.
• Architect and implement key components of resilient vSphere 4 virtualization framework. The scope consists of deploying
CISCO MDS 9000 Infrastructure to support connectivity for Netapp clusters hosting combined capacity of over 50TB mixed
SAS and SATA derives, vSphere 4 Hypervisor, High Availability, vMotion, Fault Tolerance.
• Design, implement and manage FISMA protected environment to provide secure access to the regulatory data. The scope
consists of standalone active directory infrastructure, RSA/Radius dual factor authentication infrastructure, Citrix XenApp
6 infrastructure, Database MSCluster and standalone encrypted CommVault backup.
• Deliver functional Virtual Desktop Infrastructure pilot on VMWare View platform. Develop detailed statement of
requirements, technical deliverables, and scope of the future project.
• Design and implement backup infrastructure expansion. Based on business requirements engineer solution consisting of disk-
to-disk backup SAN with capacity of 400 TB, replacement and installation of new Exagrid and Data Domain De-duplication
appliances and upgrade of CommVault enterprise backup system to new release.
• Streamline Desktop Management by implementing self-written tools to satisfy business requirement for Software and Patch
management, Inventory tracking and reporting.

• Manage technology aspects of Medical Education and Library. This includes, hardware refresh and public computing
management, deploy and manage educational WEB base systems participating in educational process and library resources
distribution. Systems include ColdFusion, Ezproxy, BlackBoard learn, Echo360, dSpace, and etc.
• Successfully delivered migration from Novell NetWare to Microsoft Active Directory. Determine success criteria and develop
migration plan. Manage built out of new Win2K3 and later Win2K8 R2 Servers infrastructure. To achieve consistent user
experience home directories and departmental share structure remain the same. Conduct in-place Active Directory rollout.
Provide 3rd level support for Active Directory Infrastructure.
Mount Sinai School of Medicine, New York, NY 11029 03/1994 – 07/1997
PC Coordinator / Network Manager
Coordinate project planning, resource and project management for the implementation components, systems impact analysis, capacity
planning, vendor (Dell, Novell, Citrix, Computer Associates, ON Time) coordination and communications. Supervise and manage
installation, management and maintenance of Netware, Windows NT and AppleTalk Servers. Perform planning and execution of system
changes in all Operating Systems environments. Manage backup system. Design, implement and manage a CD-ROM network. Manage
Medical databases which are accessed across the entire campus. Work across the technology organization to perform complex
integrations involving products from different vendors.
Everyday duties include administration, integration and support of distributed computing environment consisting of DAS, NAS, Database
Servers and Microtest DiskPort devices. Manage LAN electronic mail system (cc:Mail) which includes an SMTP gateway and WEB client.
Provide standard operating environment across the network; server system design, implementation, maintenance, and troubleshooting;
development and implementation of data security procedures; installation and maintenance of backup; development and implementation of
custom software (using Borland Delphi, MS VisualBasic, Novell AppWare and WinBatch) ; application distribution; design, installation,
configuration, and maintenance of network printing system; design and implementation of standard virus-protection system; management of
user accounts and groups. Responsible for architecture and administration of Citrix WinFrame Server Farm. Manage 3rd level escalations for
the LAN and Messaging Services. Hold seminars and demonstrations of new software products.
Mount Sinai School of Medicine New York, NY 11029 09/1991 – 03/1994
Administrative Assistant/Assistant PC Coordinator
Everyday duties include providing second level technical support to over 2000 users as well as network administrators of smaller
departments. Assist in installation, upgrade, maintenance and support of Novell NetWare 3.11 and Windows NT 3.51 file servers.
Maintain, repair and upgrade IBM, Macintosh computers and printers. Administer remote access accounts for faculty and staff to use with
asynchronous remote access server (J&L Chatterbox) to allow transparent access to network resources. Install and configure Management
(SNMP) adapters on hubs and UPS’. Provide network connectivity, set up Novell NetWare Workstations and provide Internet access for
workstations with diverse platforms (including DOS, Windows 3.1x and various Macintosh operating systems) on the entire campus.
Installation and configuration of Terminal emulation software to access IBM mainframe and various UNIX Servers. Coordination of
hardware relocation. Troubleshoot various network problems. Assist faculty and staff in using various methods of internet
communications (including Telnet, FTP, Gopher, Netscape, Mosaic, Procomm, etc) between various hosts (including IBM mainframes,
UNIX systems, and others).
EDUCATION:
Rostov State Transport University
B. S. Mechanical Engineering
CERTIFICATION:
NetApp Certified Data Management Administrator (NCDA) 11/2010
Novell Certified NetWare Engineer (CNE)
Citrix Certified Administrator (CCA)
PROFESSIONAL DEVELOPMENT:
CISCO Data Center / CCIE bootcamp (CISCO internal training)
VMware Training, Netlan Technology Center, New York City
2013-2015
2008
Designing a Microsoft Windows Server 2003 Active Directory and Network Infrastructure, Self Study 2008
NetApp Training (Data ONTAP Fundamentals), NetApp Inc. 2007
Certified Linux Engineer 9 (CLE 9), Novell Inc. 2006
Advanced IDM v2 and v3 Training, Novell Inc. 2006
Advanced DirXML Training, Novell Inc. 2004

Advanced NetWare 6 Training, Novell Inc. 2002
Designing NDS aware applications using Delphi & Novell’s SDK, Novell Inc. 2000
Advanced NDS Tools and Diagnostics, Novell Inc. 1999
Mastery Training for ZenWorks, Novell Inc. 1998
Introduction to Cisco Router Configuration, Chesapeake Computer Consultants, Inc. 1998
References furnished upon request

ADDENDUM TO THE RESUME
PUBLICATIONS:
Title: How data deduplication works
Publisher: CISCO Internal
Date: June 6, 2014
Description: Explanation on how Cisco implemented inline data deduplication for INVICTA product line.
Title: Troubleshooting Deduplication problems on INVICTA storage (Appliances and Scaling Systems)
Date: June 2014
Description: TAC Troubleshooting procedure
Title: LUN Mirroring
Date: November 2013
Description: Overview and Troubleshooting procedure for TAC
Title: Windows disk is not showing new size after LUN resize
Description: SCST troubleshooting procedure for CISCO TAC
Title: HA Split-Brain Procedure
Publisher: Whiptail Internal
Date: November 16, 2013
Description: Steps to troubleshoot and fix DRBD HA Slit-Brain issues
Title: Change configuration for the no_root_squash (NFS)
Date: January 13, 2014
Description: TAC procedure
Title: VMware procedure for identifying and mounting LUNs detected as snapshot LUNs
Date: April 13, 2013
Description: TAC procedure for dealing with VMware datastores mounting problems when storage LUNs detected as snapshot LUNs.
Title: VMware ATS locking issue and steps for recovery in case of storage failure
Date: September 24, 2014
Description: CISCO INVICTA SCALING SYSTEM WORKAROUND FOR VMware ATS LOCKING ISSUE AND STEPS FOR
RECOVERY IN CASE OF SSRA FAILURE
Title: Scheduling garbage collection (GC) to run more aggressively during off hours
Date: October 1, 2014
Description: TAC procedure for CISCO INVICTA storage array
Title: Steps for identifying SSD issues using smartctl disk test (Linux)
Date: June 17, 2014
Description: All SSD drives today come with SMART (Self-Monitoring, Analysis, and Reporting Technology) built-in, which allows you to
see the status or overall "health" of a drive. All versions of INVICTA storage systems contain the smartmontools package, which contain the
smartctl program used to display SMART information from attached drives.
Title: Using "Btest" for storage benchmarking (Linux)
Date: June 17, 2014
Description: Btest is a Linux command line block level IO exerciser, loader, tester and benchmarking tool for block oriented devices and
files. It is a low level tool, oriented for direct command line usage and scripts
TAC procedure
Title: Configuring IOMETER for the benchmark testing
Date: May 12, 2014
Description: Iometer (www.iometer.org) is a free, highly configurable load generation application designed to determine IOPS, latency, and
throughput.
TAC procedure
Title: Procedure for fixing boot issue after OS upgrade (Linux)
Description: When upgrading certain version of CentOS, raid (md) devices can be renamed. This procedure has steps required to perform
before final reboot to avoid this issue. In addition, the procedure has steps for recovery if system was rebooted

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