Active Directory Manager

Victor Leshtaev

Phone: 678-***-**** e-mail: ******.********@*******.*** LinkedIn: http://www.linkedin.com/in/victorleshtaev

Seeking position in…

Senior Level in IT Infrastructure Management / Systems Administration

Information Technology Manager / Senior Systems Engineer / Virtualization Specialist

“Proactive Leader and Genuine Problem Solver”

Versatile, highly skilled professional with excellent qualifications and proven records in IT operations, support, network architecture, systems design and management;

Expert in building, revitalizing and optimizing a company’s IT infrastructure, processes and strategies to optimize performance;

AREAS OF EXPERTISE

Microsoft Windows Server Operating Systems;

Virtualization: VMWare Products Family, Hyper-V, VDI;

Cloud Computing: Microsoft Azure, AWS;

Clustering/High Availability;

Enterprise Class Storage: SAN, NAS, DAS;

Active Directory solutions: AD, AD FS, ILM/MIM;

Microsoft Exchange Server/Office 365/Lync;

Mobile Device Management;

Microsoft SQL Server;

Networking and Security;

Scripting and Automation: VBS, Powershell;

System monitoring and management: SMS, SCCM, MOM;

Systems Backup and Disaster Recovery;

Customer and User Support;

LEADERSHIP & PROCESS MANAGEMENT / SYSTEMS DESIGN / KEY CAREER ACCOMPLISHMENTS

During my professional career:

I have managed group of few system and support specialists. Under my supervision the following processes have been successfully established and implemented:

User Service Requests and Support Tracking;

Change Management Control;

Asset Management;

I was performing as “Go To” person and trained several engineers on many aspects of Microsoft technologies;

I have actively participated, leading the processes of gathering business requirements for future systems: conducted interviews/questionnaire with managers and business processes owners;

I have designed and implemented a number of unique solutions that allowed businesses to significantly reduce the cost of IT operations and improve overall systems performance:

Designed and successfully executed implementation of several complex messaging systems based on MS Exchange 2003/2007/2010/2013, Office 365 in multi-server/role/site configuration including the integration of these systems with third party server software such as Blackberry Enterprise Server, MDM, MS Sharepoint, etc.;

Successfully integrated several independent MS Exchange 2007/2010 server organizations into one federated environment;

Designed and successfully executed a number of live migrations of existing production systems into virtualized environment with utilization of VMWare Products Family and Hyper-V virtualization technologies;

Successfully executed several live migrations/upgrades of MS Exchange systems from earlier versions. i.e. 2003 to 2007/2010/2013;

Designed, installed, configured and managed several different sized networks with multiple branches. Each network was designed and built to meet particular company’s needs and comply with regulatory requirements;

Designed, installed, configured and managed over a thousand of MS Windows based servers for a broad number of services including highly available clustered installations for MS SQL Server, MS Exchange, Web Farms and file/print servers;

Successfully migrated several messaging systems from disparate service providers into the unified environment, including live migrations from Alt-N MDaemon Email Server, SendMail services and other 3rd party Email servers to MS Exchange 2003/2007/2010/2013;

Designed and implemented several CRM solutions with varying levels of complexity;

Designed, implemented, configured and maintained several system management and monitoring solutions based on Microsoft SMS/SCCM/MOM, Zabbix, PRTG monitoring and management systems;

IT Solutions Consultant: Meunier Carlin & Curfman, LLC

01/2015 – Current

Senior Systems Engineer: Stone Resource Group

09/2015 – 02/2016

Senior Server Engineer: EyeWonder, Atlanta, GA / DG Fast Channel, Irving, TX / Extreme Reach, Boston, MA

12/2010 – 08/2015

Windows Systems Consultant: SNI Technology, Atlanta, GA

09/2010 – 12/2010

Information Technology Manager: PRIME Oncology, Atlanta, GA

09/2007 – 04/2010

IT System Administrator/Manager: Cash Transactions L.L.C., Austell, GA

09/2005 – 08/2007

IT System Administrator/Manager: Atlanta Business Bank, Atlanta, GA

06/2002 – 08/2005

Senior Software Engineer: Center of Financial Technologies, Evanston, IL

06/2000 – 06/2002

BRIEF CAREER HISTORY

DETAILED CAREER HISTORY

IT Solutions Consultant: Meunier Carlin & Curfman, LLC

01/2015 – Current:

Responsibilities and accomplishments:

While consulting with MCC, under my supervision and direct involvement the following goals were achieved and these systems were designed and implemented:

Highly available (clustered) platform to host corporate environment based on Hyper-V virtualization technology;

MS Exchange 2013;

MS SQL Server 2012 and several Application Servers;

I have successfully executed services/applications migration from MS SBS 2008 to MS Windows Server 2012 R2 based system, including AD users and email migration to MS Exchange 2013;

Technology and Software used:

Windows Server 2003/2008/2012 including R2, RDP, Hyper-V, MS SQL Server 2008/2012, MS Exchange 2007/2013, DFS/DFSr, DNS, DHCP, Active Directory, ADMT, TCP/IP protocols suite, Data Backup, IIS, VBScript/Powershell, etc.

Senior Systems Engineer: Stone, LLC

09/2015 – 02/2016:

Responsibilities and accomplishments:

While contracting with client (Rollins, Inc.), my responsibilities were the following:

Support all Windows based production systems, including multisite MS Exchange 2010 with legacy MS Exchange 2003/2007 clustered solutions;

Support VMWare/Hyper-V environment including SAN and NAS storage provision;

Active Directory support and management;

AD FS solution, Identity Management system (ILM/MIM) support;

Various responsibilities to support existing solutions (DFS, Print Servers and subdivisions server systems);

Technology and Software used:

Windows Server 2003/2008/2012 including R2, MS SQL Server 2008/2012, MS Exchange 2003/2007/2010, Firewalls, DFS/DFSr, DNS, DHCP, Active Directory, Hyper-V/VMWare ESX/ESXi, Data Backup, Powershell, VPN, etc.

Senior Server Engineer: EyeWonder, Atlanta, GA / DG Fast Channel, Irving, TX / Extreme Reach, Boston, MA

12/2010 – 08/2015:

Extreme Reach, Boston, MA

Responsibilities and accomplishments:

I become a part of Tier 3 Support team after ER has acquired a TV division of DG in February 2014. My responsibilities were the following:

Supported all Windows based production systems along several datacenters, including MS SQL Server 2012 with enabled multisite AlwaysOn clustered solution;

Supported VMWare virtual environment including SAN and NAS storage provision;

Significantly improved performance of operations by successful automation of several processes that were required a lot of manual operations with Powershell scripting;

Designed and implemented corporate Active Directory solution with Single Sign On;

Maintained and supported Asigra Cloud Backup solution;

Supported cloud based environment on AWS and Microsoft Azure;

Technology and Software used:

Windows Server 2003/2008/2012 including R2, MS SQL Server 2008/2012, MS Exchange 2010, Clustering, VMWare ESX/ESXi, Firewalls, DFS/DFSr, DNS, DHCP, Active Directory, TCP/IP protocols suite, Data Backup, IIS, ASP.NET, VBScript/Powershell, TSQL/SQL, XML, VPN, etc.

DG Fast Channel, Irving, TX

Responsibilities and accomplishments:

I become a DG employee after Eyewonder has been acquired in September of 2011. This acquisition allowed me to focus on messaging technologies and business integration projects, combining together a several independent MS Exchange systems. I was responsible for an entire organization Exchange solution, which has a hybrid environment of several federated Exchange 2010 organizations, Exchange 2003 and Exchange 2007.

Designed and successfully executed SMTP namespace sharing project:

oImplemented the cluster of SMTP servers to share single SMTP namespace;

oImplemented Domain and Exchange Federation trust between independent Exchange Organizations;

oMigrated an entire set of company SMTP domains to Forefront Online Protection for Exchange (FOPE) cloud based AntiVirus and AntiSpam solution;

Designed and executed upgrade of DG Fast Channel Exchange 2007 CCR to Exchange 2010 multisite distributed Organization;

Designed, installed and managed several LAB testing environments to proof of concept for all messaging related projects;

Performed successful migrations of several messaging systems into unified DG Exchange after recent acquisitions;

Technology and Software used:

Windows Server 2003/2008 including R2, MS SQL Server 2008, MS Exchange 2007/2010, Firewalls, DFS/DFSr, DNS, DHCP, Active Directory, VMware ESX/ESXi, TCP/IP protocols suite, Data Backup, IIS, ASP, ASP.NET, VBScript, TSQL/SQL, XML, VPN (PPTP, L2TP, IPSec), etc.

EyeWonder, Atlanta, GA

Responsibilities and accomplishments:

As a Senior Server Engineer, I’ve performed as a key person in new systems design and implementation, as well as support of all existing production and testing systems. While with EyeWonder I have accomplished the following tasks that allowed improvement of overall company efficiency:

Designed and successfully executed migration of corporate messaging system into virtualized environment. An entire messaging system had a multi node/role clustered installation of MS Exchange 2010 and clustered installation of Blackberry Enterprise Server;

Redesigned and reconfigured an entire organizational structure with Active Directory as well as AD replication model;

Designed and implemented a DFS based file storage for intra company use and inter branch office data replication;

Designed and implemented a Hub-and-Spoke Branch office infrastructure, having several remote branches worldwide;

Planned and successfully executed a data center migration from one physical location to another. For that I’ve built a staging environment completely similar to a production system with use of VMWare and Hyper-V virtualization technologies;

I’ve designed and built several testing environments based on VMVare and Hyper-V to perform pre-deployment tests of several solutions, including clustered MS SQL Server 2008 / MS Exchange 2010 and other installations;

Technology and Software used:

Windows Server 2003/2008 including R2, MS SQL Server 2008, MS Exchange 2010, Firewalls, DFS/DFSr, DNS, DHCP, Active Directory, VMWare ESX/ESXi TCP/IP protocols suite, Data Backup, Symantec Antivirus, IIS, ASP.NET, VBScript, TSQL/SQL, XML, VPN (PPTP, L2TP, IPSec), etc.

Windows Systems Consultant: SNI Technology, Atlanta, GA

09/2010 – 12/2010:

Responsibilities and accomplishments:

My employment with SNI has actually started my relationship with EyeWonder, which employed me once my contract assignments were over. During these 3 short months I was actually working on several projects to improve EyeWonder infrastructure and that are listed above.

Information Technology Manager: PRIME Oncology, Atlanta, GA

09/2007 – 04/2010:

Responsibilities and accomplishments:

During my work in PRIME Oncology my responsibilities were “extremely simple” – build everything from ground up and provide all range of services for a brand new, startup business. It was a very exciting and fun time; I had to exercise all my technology knowlwdge and skills to accomplish the task:

Designed, installed and managed company network, multi-site perimeter network and Active Directory infrastructure;

Designed, implemented and managed a number of servers hosting the following services: Database, File/Print, Email and Web;

Designed, implemented and managed System Update Services, Terminal Services;

Performed several successful migrations of disparate Active Directory domains into a single forest;

Designed and implemented Blackberry Enterprise Server infrastructure;

Designed and implemented DFS infrastructure and inter office data replication process;

Designed and implemented Virtual Server Farm based on MS Virtual Server/Hyper-V technologies for MS Dynamics SL and MS Dynamics CRM applications;

Performed software distribution, patch management, configuration management, scripting;

Designed, implemented, programmed and managed corporate Web Site and proprietary CRM application;

Designed and implemented security and system usage policy;

Designed and implemented data backup and restore operations;

Performed all hardware/software maintenance, system and security log analysis;

Technology and Software used:

Windows Server 2003/2008 including R2, Windows XP/Vista, MS SQL Server 2005/2008, MS Exchange 2003/2007, Firewalls,

DFS/DFSr, DNS, DHCP, Active Directory, DSL/T1/ISDN, TCP/IP protocols suite, Data Backup, Symantec Antivirus, IIS, ASP, ASP.NET, VBScript, TSQL/SQL, XML, VPN (PPTP, L2TP, IPSec), etc.

IT System Administrator/Manager: Cash Transactions L.L.C., Austell, GA

09/2005 – 08/2007:

Responsibilities and accomplishments:

My relationship with Cash Transactions has started long before I was actually employed by the company. They were experiencing certain problems with email delivery and friend of mine asked me to take a look at their Email system and help to figure out what was wrong with email flow. So I went for help, quickly determined the problem, resolved it and eventually ended up managing an entire company IT infrastructure. During these times I have accomplished these tasks:

Re-designed and re-configured existing network infrastructure; implemented brand new Active Directory infrastructure;

Designed, implemented and managed company Database, Email and Web servers;

Designed, implemented and managed company Data Backup and Restore Operations;

Designed, implemented and managed System Update Services (MS SUS/WUS), Terminal Services, Multi Site VPN (IPSec);

Performed software distribution, patch management, configuration management, backup and restore SMS itself, reporting, scripting;

Designed, implemented, programmed and managed corporate Web Site and online CRM application;

Designed and implemented company security and system usage policy;

Performed all hardware/software maintenance, system and security log analysis;

Maintained and managed ZULTYS VoIP telephony system;

Technology and Software used:

Windows Server 2000/2003 including R2, Windows XP, MS SQL Server 2000, MS Exchange 2003, MS SMS Server, Firewalls, DNS, DHCP, Active Directory, DSL/T1/ISDN, TCP/IP protocols suite, Data Backup, Symantec Antivirus, IIS, ASP, VBScript, WSH, TSQL/SQL, XML, VPN (PPTP, L2TP, IPSec), etc.

IT System Administrator/Manager: Atlanta Business Bank, Atlanta, GA

06/2002 – 08/2005:

Responsibilities and accomplishments:

I’ve joined ABB when this organization has not been even open for business and as an IT manager/system administrator I was immediately involved into successful business building process. Very exciting times of research, analysis, design and actual deployment of number of system, services.

Designed, installed and managed company network and Active Directory infrastructure. The network was designed and configured in accordance of SAS70 requirements;

Designed, implemented and managed File (NAS), Print, Database, Email, DNS and Web servers;

Designed, implemented and managed company Data Backup and Restore Operations;

Designed, implemented and managed System Update Services (MS SUS/WUS), Terminal Services, Multi Site VPN, Back-To-Back DMZ;

Performed software distribution, patch management, configuration management, backup and restore SMS itself, reporting, scripting;

Designed, implemented and managed corporate Web Site Application, Online Financial Statement and group CRM applications;

Designed, implemented and maintained company security and system usage policy;

Performed all internal IT audits and Vulnerability Assessment, system and security log analysis;

Performed all hardware/software maintenance;

Implemented a number of remote deposit scanning system (hardware/software) within Atlanta Business Bank customer locations;

Technology and Software used:

Windows Server 2000/2003 including R2, Windows 2000/XP, MS SQL Server 2000, MS Exchange 2000/2003, MS SUS/WUS; MS SMS Server 2003; Firewalls, DNS, DHCP, Active Directory, DSL/T1/ISDN, TCP/IP protocols suite, Data Backup, Symantec Antivirus, MS IIS, ASP, VBScript, WSH, TSQL/SQL, XML, VPN (PPTP, L2TP, IPSec), Distributed File System (DFS) and Windows replication technology, Windows Network Load Balancing (WNLB), Windows Clustering, etc.

Senior Software Engineer: Center of Financial Technologies, Evanston, IL

06/2000 – 06/2002:

With CFT, I was mostly involved into software development and I have the following achievements:

Ticket Authorization System.

Designed and developed an application for managing stock orders. Application was created using multi-tier Architecture principles.

Technology used:

Windows Socket, ADO, COM, XML, SQL, OLE DB; Delphi 6.0;

Universal Data Exchange

Designed and developed an application for real time data synchronization between Interact ACT!2000, MS Outlook and MS SQL Server. This software enables users to work with data ACT!2000 and MS Outlook through the Internet and synchronize data between each product.

Technology used:

ADO, COM/DCOM, XML, ASP, SQL, OLE DB; Delphi 6.0;

Website for ISB Development Corp; Website for the United Commercial Bank; Website for Wolff Investments Group; Corporate Internet/Intranet server for: Document management; Universal Data Exchange Support and company presentation.

Technology used and accomplishments:

ADO, COM/DCOM, ASP, SQL, OLE DB;

EDUCATION

Institute of the Business Technologies (Khabarovsk, Russia): MS, Computer Science;

Institute of Railroad Engineers (Novosibirsk, Russia): MS, Applied Mathematics;

ONLINE PROFILE AND REFERENCES

My profile and references are available on LinkedIn at: http://www.linkedin.com/in/victorleshtaev

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