Active Directory Engineer

Derrick Rosborough

Mobile: 816-***-****

*******@*****.***

Technical Certifications

Implementing Microsoft Azure Infrastructure Solutions

Zerto Certified Professional – Basic

MCSA on Windows Server 2003

Managing and Maintaining a Microsoft Windows Server 2003 Environment

Implementing, Managing, and Maintaining a Windows Server 2003 Network Infrastructure

CCA – Virtualization, XA/XD 7.15 Administration

VMware Certified Associate – Data Center Virtualization

CPS 4.5 and XenApp 5.0 for Windows Server 2003: Administration

Citrix NFuse Classic Administration (Web Interface)

Secure Gateway Administration

Technical Skills/Products

Microsoft Server (2008r2, 2012, 2016)

Active Directory/GPO

Citrix XenServer

Microsoft SQL Server

Extentrix Endpoint Analysis

FSLogix

Citrix (versions 4.0 – 7.15)

Web Server Administration (IIS)

Citrix NetScaler 9.x/Access Gateway

VMware ESX 5.5/6.0

McAfee EPO

Windows PowerShell

Professional Experience

OnX Enterprise Solutions, Cincinnati, OH

February 2018 – April 2018

Sr. Systems Engineer, OnDemand Resource at Eisai Co.

Assessed legacy Citrix Farms (versions 4.0 – 6.5) for move to XenApp 7.15 LTSR

Built out a development VMware 6.0 environment for XenApp/XenDesktop 7.15 LTSR

Built out XenApp/XenDesktop 7.15 LTSR for product assessment

Explore new technologies for presentation to potential clients

Leveraged SysTrack application to access current VDI infrastructure images

Insight Global, Overland Park, KS

September 2017 – December 2017

Sr. Systems Engineer, Contractor at NIC Inc.

Build, configure, and manage Windows servers in VMWare 5.5 as required

VM and storage migrations, VM appliance deployments, and P2V

Support the creation and maintenance of critical Application Environments - Windows platforms (2008, 2012, 2016)

Active Directory and DNS design, support and management

Windows Administration

Disaster recovery planning and execution with Pure storage snapshots of VMs

Manage assigned project activities to achieve stated project goals, objectives, and schedules

Morgan Hunter Companies, Overland Park, KS

July 2016 – July 2017

Sr. Systems Engineer, Contractor at Optiv Security Inc.

Built and implemented a VMWare 5.5 environment with numerous production and development environments

Installed and administered Windows 2012r2 servers, Domain Controllers, SQL servers, and IIS Application servers in VMware environments, connected to NetApp SAN appliance

Manage user accounts, access rights, shares, and NTFS permissions and group policies in Active Directory

Manage SSL certificates

Monitor and troubleshoot legacy environment

Computer Sciences Corporation, Falls Church, VA

January 2011 – June 2016

Systems Administrator Lead, Cloud Services

Architect complex Windows and Citrix environments based on business requirements that meet performance needs

Plan and manage the installation, configuration, maintenance, and integration of a Citrix XenApp 5.0 and 6.0 environments/architecture and design

Responsible for maintaining the day-to-day operations for multiple client environments

Install and administer Windows 2003 and 2008r2 servers in physical and VMware environments

Manage software and security updates on Windows 2003 and 2008r2 servers with Shavlik

Research and resolve 2nd level support issue

New application testing and certification

Manage user accounts, access rights, shares, and NTFS permissions and group policies in Active Directory

Troubleshoot LAN/WAN connectivity to the farm and application access credentials

Terracon Consultants, Inc., Olathe KS

June 2009 – October 2010

Network and System Administrator III, Server Operations

Planned and managed the installation, configuration, maintenance, and integration of a Citrix XenApp 5.0 environment/architecture and design, IIS for Web Interface and SQL server for datastore

Deployed NetScaler 9.x with Access Gateway for remote access via published apps and VPN

Built and implemented domain controllers in remote offices

Installed and administered Windows 2003 servers in a VMware environment

Managed software and security updates on 85+ Windows 2003 servers

Natek Inc./USDA Contract, Kansas City MO

March 2009 – June 2009

Lead Systems Analyst, Application Management Group

Responsible for identifying, investigating and analyzing the root causes of incidents.

Participate in the identification of alternative approaches and implications thereof and develops solutions to complex problems.

Coordinate the work activity and conduct training of junior technical staff.

Monitor Web infrastructure, servers, and applications health for the USDA’s Web Farm

Sprint Nextel, Overland Park KS

February 2001 – March 2008

Systems Administrator, Citrix Server Operations

Planned and managed the installation, configuration, maintenance, and integration of a wide variety of very complex computer systems in support of a large Citrix 4.0/4.5 environment

Implemented a number of projects rolling the Citrix environment out to numerous call centers environments

24/7 on-call duties supporting an 800 server and 14,000 user Citrix farm

Citrix farm/architecture design, IIS for Web Interface and SQL server for datastore

Racked HP servers, configured RILOE cards, and troubleshoot and resolve hardware issues when necessary

Diagnosed and resolved complex, constantly varied, system problems requiring innovative and creative solutions to maintain the maximum in systems availability

Maintained an accurate record of hours spent on projects and maintenance

Created and/or updated documentation that benefited end-users and/or documents that benefited other IT personnel

Worked as a liaison between the Citrix team and other groups within the organization, networking, project management, and other business units.

Education

Columbia College, Kansas City, MO, B.S. in Management Information Systems

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