Dylan Critchfield    |     707 East Carpenter Street, Jerseyville, IL 62052       |     618-696-3302

 

 

OBJECTIVE

To obtain a systems administration position with a company that values both professional and personal growth. The ideal position would focus on administering the company’s environment, with a focus on improving both user experience and improving overall network functionality. The ability to continue training on the latest technologies and practices to keep current is of utmost importance. Company culture should encourage teamwork and inter-office collaboration to provide an environment in which all can excel.

 

SUMMARY

 

·              Systems and network administrator with 5 years of multi-disciplinary experience in information technology. Experience with Windows Server administration, Windows Desktop support, UNIX operating systems, virtualized server environments,  LAN and WAN networking, , and problem identification and resolution

·              Individual that is focused on continual professional development. This is accomplished through constant research, awareness of the latest security threats, development of new IT procedures when necessitated, and collaboration with peers.

·              Excellent communication skills, both verbal and written. Works well individually or with a team. Thoroughly understands the importance of knowing his peer’s strengths, and utilizing that knowledge to better collaborate and problem solve.

 

SKILLS

Operating Systems:

Windows XP/Vista/7/8/10 workstation, Windows Server 2003/2008R2/2012R2, XenServer 5/6, Sun Solaris, several Linux/UNIX variants

 

Hardware:

Cisco 2600/3500/3550 switches, TNX-1000/1100 and ASX-4000 ATM switches, various Cisco Multiservice Provisioning Platform frames, Dell PowerEdge servers, HP Proliant servers, LTO 1/2/3 library storage systems, Sonicwall firewalls, Barracuda SPAM and Web filters, and various ADTRAN multiplexers.

 

Software:

Group Policy, AD DS, Remedy ARS, LANDesk, Citrix XenServer, VMWare ESXi 6.0, Kaspersky AntiMalware, Windows Batch Scripting, Linux shell scripting, MS Office 2007/2010/2013.

 

Network:

DNS, DHCP, NAT, routing, fiber optic cabling, Cat5/5e/6 UTP and STP cabling.

 

 

 

 

WORK EXPERIENCE

Contractor for Apex Systems/CSRA at HQ SDDC, Scott AFB, IL                 August 2016 - Present

Desktop Support Specialist

•          Installation and maintenance of user hardware and software.

•          Creation and completion of trouble tickets to meet end users' requirements.

•          Responsible for preparation of old hardware for DRMO.

•          Responsible for imaging and reimaging of SDDC desktop and laptop PCs.

•          Provide assistance to users experiencing various issues over the phone via DameWare remote desktop connection.

•          Management of SDDC Laptop Loaner Program, including preparation of laptops, encryption, and distribution to end users.

•          PC repair and recovery.

•          Management of users' issues via ticketing system. (Service NOW)

•          Escalate issues to system administration or other SDDC support personnel as required.

Contractor for Apex Systems/Lockheed Martin at DISA Global, Scott AFB, IL      August 2015 to April 2016

Network Controller

•          Managed user requests, maintenance actions, and trouble tickets in Remedy ARS.

•          Utilized Cisco Prime Optical to manage and provision MSPP nodes and associated circuits.

•          Worked with Unix desktop and command line to manage multiple technologies daily.

•          Managed and provisioned Asynchronous Transfer Mode nodes and circuits

•          Performed regular head to head testing with vendors and end-users on downed or degraded circuits.

•          Regularly scheduled and supervised testing between end-users and vendors on vendor lease circuits.

•          Was responsible for reporting major outages, degradations, and hazardous conditions to the government.

•          Regularly traced downed or degraded circuits to find points of failure and provide a fix or workaround.

•          Provided alternate routing for circuits around outages or degradations when required.

•          Supported ADTRAN multiplexers, as well as the associated DS0, DS1, and DS3 lines.

 

National Systems America at Quest Diagnostics,  St. Louis, MO     January 2015 to August 2015

Data Center Operator

•          Managed backup rotation of LTO and DLT storage tapes daily.

•          Utilized HP Service Manager to manage change controls and trouble tickets.

•          Tracked status of daily backup jobs via Consoleworks.

•          Installed physical servers and configured Windows Server installations on an as-needed basis.

•          Installed new routers, switches, and new network cabling as required.

•          Worked closely with deployment teams for projects within the datacenter.

•          Performed emergency maintenance tasks to restore services.

•          Coordinated with external contractors to perform installations and maintenance,

•          Ensured physical security of the datacenter and its contents through monitoring tools.

•          Provided on-call support on a rotational basis.

GCS Credit Union, Granite City, IL March 2014 to December 2014

Systems Administrator

•          Managed a project to upgrade Domain Controllers and associated functional levels from Server 2000/2003 to Server 2008R2.

•          Migrated essential FSMO Roles from previous Domain Controllers to new acting DCs, including DNS and AD-DS.

•          Configured new server hardware for use in our Citrix Xenserver environment.

•          Responsible for managing Group Policy for the Windows domain, as well as restructuring of Active Directory.

•          Configured new users as required and reconfigured permissions in AD on an as-needed basis.

•          Ensured Citrix Xenservers and associated VMs were maintained and patched.

•          Management of servers and virtual machines as needed via Citrix Xencenter.

•          Coordinated and enforced new rules on the domain to provide better network security.

•          Software and hardware management for all Windows servers in the environment.

•          Provide support for Cisco network gear and associated configuration.

•          Wrote numerous logon scripts and managed application patching.

•          Utilized scripting to resolve widespread issues in a timely manner.

•          Prepared multiple tools for managing network PCs via PSTOOLS.

•          Troubleshooting user issues reported by phone or email.

•          Responsible for the configuration of Windows 7 system images based on user role.

•          Management of Windows Active Directory for computers and users.

•          Support of proprietary client/server software for on-site locations.

•          Various other functions performed as needed.

 

Apex Systems Inc. at BJC Healthcare, St. Louis, MO               October 2013 to February 2014

Desktop Imaging Technician/Shift Lead

•          Software management and configuration

•          Configuration of Windows 7 on a per machine basis

•          Use of LANDesk to push software to computer systems.

•          Creation of scripts to install and verify software installation.

•          Testing systems pre-deployment for quality assurance.

•          Preparation of machines for shipment to location.

•          Configuration and testing of Citrix apps to be utilized by receiving users.

 

Agile Defense Inc. at USTRANSCOM, Scott AFB, IL August 2012 to September 2013

AV/VTC Maintenance Technician

•          Configuration and troubleshooting of A/V Systems

•          Termination of various cable types, including Cat5, Cat6, RS-232 serial, CresNet, and various audio/video cables.

•          Occasional troubleshooting of networking hardware and configuration

•          Assisting in installation and continuing support of conference rooms and VTC systems.

NCI Inc. / Agile Defense Inc. at USTRANSCOM, Scott AFB, IL            June 2011 - August 2012

PC Maintenance Technician

•          Direct support of user hardware issues.

•          Completion of tickets to support users' needs.

•          Preparation of new hardware to support users as required.

•          Maintaining standardized system images for Windows XP as well as supporting disc-based installation of Windows 7.

•          Maintain a reasonable turn-over rate for user issues as they are assigned to the PC Maintenance ticket queue.

•          Management of USTRANSCOM Laptop Loaner Program, including preparation of laptops, encryption, and distribution to end users.

•          PC repair and recovery.

•          Management of users' issues via ticketing system. (Remedy ARS)

NCI Inc. at USTRANSCOM, Scott AFB, IL         January 2011 to June 2011

Web Support

•          Management of USTRANSCOM owned webpages.

•          Completion of website modifications per the customer's request.

•          Moderation of USTRANSCOM Sharepoint site.

•          Use of Dreamweaver to make edits in HTML, Javascript, and XML.

•          Use of WinSCP FTP client to push changes to the web server.

•          Use of PuTTY to make changes on development and live servers.

 

INDUSTRY CERTIFICATIONS

·   CompTIA Security+

·   CompTIA A+ (expired)

 

OTHER QUALIFICATIONS

•          Active SECRET Security Clearance.

•          Awarded the Agile Innovation Prize at Agile Defense Inc. for submission of the design for a self-sustained wireless mesh network.

•          Extensive home experience with VMWare ESXi, VirtualBox, and various other vitrualization platforms.

References available upon request.