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Active Directory Windows Server

Bronx County, New York, United States
October 04, 2016

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Esteban Hernandez

IT Engineer / Systems Admin / Network Admin / Desktop Engineer

Bronx, NY, - 646-***-****

EDUCATION: Monroe College - Degree in Computer Information Systems

To obtain a career oriented position where dedication and performance results in increased responsibilities and potential advancement. With 13 + years IT experience with 7 + years entrepreneurial business development, I have shown proven technical enthusiasm & acumen.


Operating Systems: Windows 10/8/7/Vista/XP/2000, Window server 2003/08/12/16 Server, Mac OS X 10.6, Tiger, Panther, Leopard, OSX YoseMite.

Applications: System Center Endpoint Protection 2012, Citrix, Ghost, Active Directory, Remote Desktop, ConnectWise, LabTech, SCCM 2012, Workgroup Manager and Security Policy, Apple Remote Desktop, Win Install.

End-User: Office 2003/2007/2010 /Office 365, SQL programming, MySQL, JavaScript

Network: Cross-platform administration, SFTP/SMTP/TLS/HTTPS/TCP/IP, DHCP/DNS, Wireless/LAN, SSLVPN, VPN, Cisco Switches, Routers and Firewall, Palo Alto Firewall, EMC Backup, Printers

Mobile Technologies: Apple, Android, BlackBerry, Windows.

Languages and Scripting: Batch, PowerShell, T-SQL, HTML, ASP, JavaScript, Visual Basic, and XML, Shell

Virtualization: Software packaging and delivery, Citrix XenDesktop/Xen App, VMware/Thin-App/Vsphere.

Deployment Tools: Install both MSI and EXE-based software applications, Altiris 6.9/7.5, SCCM 2007/2012, Ghost, WDS/MDT 2010, WAIK, Sysprep, PXE Boot Work effectively with client and End-users.


Systems / Healthcare IT Implementation Engineer

Independent Contract (Project based): New York, NY - January 2015 to Present


Handle case assignments regarding customer inquiry/incidents within the supported products related to: Practice Management Systems/Electronic Medical Records, Desktop Operating Systems (Microsoft), Database issues (SQL Server 2008 R2), Interface/Integration with 3rd Party Products, and Clinical workflow.

Performed Server Configuration, Virtualization, Software Customization & End-user training.

Record all problem resolution activities and collaborating with client Engineering /Development, EDI, ISS & Application support teams. Conduct 2nd level problem determination using basic and advanced troubleshooting methods.

Other technologies supported includes Medgen EHR, MDI Medical, Escribe, eClinicalWorks & UroChartEHR.

System Admin/System Engineer/Project Manager

Harpo Solutions Corp: New York, NY - April 2012 to November 2015

Windows 2012 R2 Active Directory / Project Lead

Migration of all Windows 2008 Domain Controllers to Windows 2012 R2 Domain Controllers.

Installed, configured and administered all: Windows Server 2012 R2: DNS Servers, DFS Servers, Domain Controllers, Printer Servers, and Created Virtual DR Servers.

File Servers, Print Servers, DFS Servers, DHCP Servers, IIS Servers, SQL Servers, EMC Backup

Implemented, and administered Windows Server 2012 R2/2008/2003 Servers in the Environment.

Administered Windows Server 2008 Active Directory, including Group Policy, creation and deletion of user accounts,

Managing access controls, and domain structure configuration.

Administration of MS Exchange 03/07/10/13/16 Enterprise.

Manage Lightweight Directory Access Protocol (LDAP) policies by using the Ntdsutil.exe tool.

Manage user profile and permission roles, server performance tuning, backup and restore with fail over and disk mirroring, network security monitoring, registry and AD scripting.

Office 365 User Migration Project, Migrate Exchange into office 365

Creates a New Migration Batch file.

Wrote Automated “New User Migration Program”

EMC DD2200/2500, Palo Alto Firewall, Symantec Backup Exec, Barracuda Backup Server, Barracuda Mail archived, Symantec Messaging Gateway, Hyper-V, VMware, Sever Clustering.

Managed user moves including exchange mailbox, person network folder, AD organizational Unit relocation through Active directory and Exchange 2013.

Managed roll out of VMware Tools 9.0.12 to all Virtual Windows Servers

Wrote complete ESX / VMware Tools Upgrade project plan and all steps from start to finish.

Install / Upgrade all VMware Servers with the latest Tools version loaded on our ESX Servers.

Provided maintenance of site servers, network equipment, VoIP & desktop hardware/peripherals; installation and support of enterprise desktop hardware & software.

Coordinate team meeting and online troubleshooting, meetings to triage and resolve issues quickly with detailed

Network/Systems Admin

Chelsea Tech Media Inc.: New York, NY - August 2010 to November 2012

Provided Network and Desktop support to clients through connect wise and Labtech

Security administrations for AD, Windows Server access and Exchange for user account multiple domain forest, including Group Policy, user account creation and archival, managing access controls, and domain structure configuration.

Responsible for mailbox creation/updating/relocating, group mailboxes, and distribution lists.

Managed user moves including exchange mailbox, person network folder, AD organizational Unit relocation through Active directory and Exchange 2010.

Collaborated with Global IT Service Desks, Server Teams, and Department leads on process changes, new implementations, and change management agendas.

Responsible for acquiring and updating data ownership access Control of network shares, departmental folders across global server farm.

SCCM 2007 OS Deployment, Software Distribution, and Patch Management; Installed Software updates, Software patches, Application packagesthrough Altiris

Developed multiple scripts and packages for use on Windows XP and Windows 7 images for deployment via SCCM; Created SCCM collection, package and advertisements

Delivered clients with Servers installation, upgrades/updates, configuration troubleshooting, TCP/IP, Routers, Switches, Wireless/LAN setup; Active Directory and group policy administration

Created packages as msi or single executable for deployment and easy application access. Virtualized and migrated legacy applications to Win 7. Used Rlink for package format conversation from Win XP to Win 7.

Provided operating systems support, software/hardware installation, WirelessInternet/Network Configuration for PC's and laptops.

Created ghost images with custom settings for clients with different hardware/software

Installed and configured AV devices such as projectors, scanners, AV receivers, HDTV, HDMI, DVI, VGA, S-video, and BNC display. Recorded audio and video for such mention devices.

IT Specialist / Disaster Recovery Specialist

JV Beauty It Equipment and Supply: New York, NY - June 2007 to August 2009

WDS though Network and OS imaging configuration and packaging /script installation

Managed multiple Domain Active Directory forest for users.

Creating and updated network shares, adding permissions software and groups for users through Active Director

Managed account moves using Exchange (2007), including mailbox, personal folder, and account OU.

Implementing network security policies and procedures..

Setup and troubleshooting Vpn, Ipass, Intranet, Citrix access, Application, and other various applications for users.

Support to a user base of over active accounts across multiple domains.

Provided process review and procedure writing for Global IT.

Provided Imaging and Deployment, Remote Assistance, Application Packaging and configuration to end users through Altiris and SCCM .

Responsible in providing desktop support for Hardware and Software, Network and local printing to organization end-users.

Altiris: Set up new system with Operating system, MS Outlook, applications and packages.

Tracked and updated issues in a Ticketing System to ensure a timely resolution .

Active Directory administration .

Maintained an inventory database including addition of all new machines, removal of retired PCs, and other hardware .

Deployed and installed images through Altiris accordingly to platform requirement for Win XP and Win 7.

Managed migration installation and deployment and patched and upgraded OS to company standards

Network Administrator

Cross Road Middle School: New York, NY - June 2005 to September 2006

Responsible for support and maintenance of Windows 2003 Servers and Mac OX Tiger Servers, PC/Mac computer system, including laptops, projectors and network printers

Administered 600 users, 300 desktop workstations, 150 laptops, 50 printers, and 20 projectors and smart boards.

Responsible for desktop builds/deployment, creation of AD accounts, system updates and troubleshooting.

Supported and maintained user account information at an administrator level including rights, security, system groups and group policy.

Setup and configured Wireless network, Access Point, Switches and Router.

Maintained software and hardware inventory for the technology infrastructure

Provided computer strategy development and system documentation of problems, procedures, and solutions.

Created and executed training for individual or groups (staffs and students)

Created, managed, and installed images to Win XP machines and laptops through Altiris.

Technology Support Coordinator / Desktop Engineer

Five Stars IT: New York, NY - September 2004 to June 2005

Users are supported in Windows & Mac environments, locally and at remote sites across 2 time zones via remote access and site visits (HW/SW); support and administration of Active Directory, DHCP, Citrix Xenapp among other solutions.

Also provide Mobile Device, VPN support & VMWare/Virtual PC support. Microsoft Office 2003 / 2007 support; Windows XP/7 & Enterprise Vault support Server and Workstation builds including creation of standard images for deployments (LANDesk, SCCM).

Project lead on AD consolidation and Windows XP migration projects; domain controller removal from Active Directory including manual metadata cleanup, as well as Disaster Recovery/BC initiatives.

Authored instructional documentation for technical staff and user community for new company standards.

Help Desk Support/Network Assistant

Consulting Solutions Int'l, Inc.: New York, NY - June 2003 to December 2003

Set up and maintain site network file structures, access rights, network security, network users, network printing and desktop user environments.

Set up and maintain site network servers by applying patches, logging changes and monitoring error logs.

Maintain, troubleshoot and repairs problems with the site network, server, and telephony infrastructure and systems.

Assist with maintaining computer room, site network cabling and department documentation.

Responsible for network and server up-time. Non-business hour time may be required to repair and troubleshoot problems in order to provide efficient, quality service.

Monitor site-based server hardware up time, virus protection and site-based software updates.

Develop site-specific desktop application set up standards and streamlining processes to eliminate future problems.

Troubleshoot and resolve problems encountered in the use of site systems and desktop applications.

Set up, install and maintain desktop and laptop hardware/software and peripherals.

Maintain site hardware/software inventories and assist site hardware and software.

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