Related	Experience

Field Technical Support Consultant IV	January 2020 - present
Hewlett Packard Enterprise		Stennis Space Center, MS

Continuation of on-site system analyst role after HPE purchased Cray
	Site lead responsible for coordination between DoD customer and HPE, including legacy Cray and SGI assets
	Guided installation of one of the first production HPE Cray EX (Shasta) supercomputers. Resources total ~12PFlops of peak computing power and
         over 16PB of parallel storage
	Reconfigured and refreshed XC40 system that was originally planned for decommission to provide it with additional usability
	Assist users with porting applications to new systems/architectures

System Analyst IV	August 2014 - December 2019
Cray, Inc.		Stennis Space Center, MS

Lead analyst responsible for system administration, service, and support of five TOP500 Cray XC30 and XC40 HPC systems at DoD HPC customer site.
Resources total over 5.8PFlops of computing power and over 8PB of parallel storage
	Guided installation of three XC40 supercomputers simultaneously from manufacturing turnover to customer acceptance testing in under 22 days
	Plan and coordinate all maintenance activities, software updates, and customerrequested changes to the systems
	Act as a resource for customer's user support team when troubleshooting user compilation and performance/runtime issues
	Assist with installation, configuration, and troubleshooting at other Cray customer sites where needed
	Mentor new hires at other sites
	Perform root cause analysis on system/node/application failures

System Administrator	July 2004 - August 2014
Lockheed Martin		Stennis Space Center, MS

Contractor for DoD HPC Center. Manage multiple Linux systems and TOP500 Linux clusters:
	Manage virtualization/migration and lifecycle of site's Linux infrastructure
	Lead administrator for all RHEL support systems (DNS, web, mail, database, etc.)
	Lead administrator of multiple RHEL satellite servers used for management and provisioning of site-wide RHEL infrastructure 
	Lead administrator for Appro/Cray nVidia GPU infiniband cluster  
	Member of administration team of 12,000+ core Cray XT5 supercomputer
	Member of administration team of Sun servers, including multiple F12k/15k/M5k systems, and large IBM P-series system clusters (p690/p655)
	Member of administration team of multiple 18,000+ core IBM iDataplex infiniband clusters
	Member of administration team of multiple 30,000+ core Cray XC30 supercomputers
	Develop and maintain RPM packages for in-house software
	Provide shell/perl scripting for custom applications and support of the systems 
	Assist with administration of multi-Petabyte mass storage/archiving systems

IT Security Administrator	February 2007 - September 2008
Lockheed Martin			Stennis Space Center, MS

Contractor for the DoD HPC Center.  Duties coincided with system administrator position above.
	Continuously audited all Linux/AIX/Solaris systems to insure security integrity
	Performed network scans
	Coordinated patch installations
	Coordinated system hardening
	Maintained custom security software stack (Kerberos, OpenSSH, OpenSSL, etc.) for all systems
	Acted as primary KDC server administrator 
	Acted as liaison between center and other DoD security agencies 
	Ensured that center meets all DoD security requirements and guidelines
	Lead comprehensive security assessments 
	Evaluated new software products from a security standpoint before they are deployed

System Administrator		June 2000 - July 2004
Bashinsky Computer Center	University of Alabama, Tuscaloosa, AL

Installed, configured, and managed multiple Linux servers
	Developed/managed user account creation and maintenance system for high-traffic web server with over 10,000 users
	Performed network security testing and auditing
	Updated server software, including compiling/installing kernels and security updates
	Planned and successfully executed migration of all C&BA Linux servers from Red Hat Linux 9.0 to Red Hat Enterprise 3.0
	Wrote extensive system documentation and trained other employees on system useand maintenance
	Developed, wrote, and maintained multiple in-house perl, shell, and php scripts


Education	

Master of Science in Criminal Justice 
The University of Alabama	Tuscaloosa, AL
Thesis: Using Differential Association, Peer Imitation, and Negative Definitions to Explain Deviant Computer-related Behavior

Bachelor of Science in Business Administration
The University of Alabama	Tuscaloosa, AL
Major: Management Information Systems
Minor: Computer Science


Certifications	

Red Hat Certified Engineer (RHCE)
Red Hat, Inc., License 120-079-504
May 2012 - May 2015
		
Security+
CompTIA

I currently posses a US Government "Top Secret" security clearance (DoD SSBI).