Senior System Administrator

Charles W. Johnson, Jr. 571-***-**** aca9l4@r.postjobfree.com

Professional Profile

Senior System Administrator and retired U.S. Navy veteran with over 23

years of experience in the maintenance, support and administration of

computer systems for a variety of DoD customers. Thorough and technically

adept in Windows, Solaris, and Linux operating environments. I demonstrate

initiative and follow-through to successful task completion. I have

excellent verbal, written, and interpersonal communication skills. I am

highly organized and detailed oriented with an ability to work

independently or within a team environment. I currently hold an active

TS/SCI Clearance and have a CompTIA Security+ certification.

Employment History

Leidos - Reston, VA. May 2000 - November 2013

Contributed as a system integrator providing systems engineering and

integration support for various applications and operating environments

supporting U.S. DoD customers.

SENIOR SYSTEM ADMINISTRATOR: Oct 2010 - Nov 2013

Supported the DoD Military Intelligence user community by providing

systems administration, integration and maintenance support for the

Planning Tool for Resource Integration, Synchronization, and Management

(PRISM) application in the Solaris 10 environment. I have experience

with both physical and virtual/zoned Solaris servers, administering RHEL 5

& 6, Windows 2003 Server, Active Directory, and administering windows

networks.

Key accomplishment:

Given a $750K budget to upgrade our computer server landscape and site's

unclassified and classified computer lab's infrastructure. I led the

SysAdmin Team in successfully implementing the purchase of new Oracle Sun

servers and UPS based on recommendations made to our customer. Using the

power and cooling requirements from the new servers, I analyzed our

site's electrical and cooling grid and worked with our site's

electricians and HVAC technicians to facilitate an upgrade of those

resources. Working with our site's Network Engineers, we hired outside

contractors to install new patch panels, run network cables, and connect

to the communications room. Finally, the SysAdmin Team installed the OS

and zone file systems on the new servers, configured the dev and test

environments, migrated system and user accounts and applications and

software from the old servers. Done within a 7-month period and completed

$11K under budget. My regular duties included:

. Modifying C-shell install scripts for each new application update

. Testing the install scripts and configuring the application and

integrating new versions of PRISM with JBOSS and Oracle and working

with the DBA and Testing Teams to ensure compatibility and usability

. Maintaining system security accreditation in accordance with DoD

standards

. Updating the Install and System Administrators manuals for each new

application update

. System performance tuning

. Installing Solaris OS and ZFS, system wide software and allocating

mass storage space

. Administrating and maintaining Windows, Solaris, and Linux OS servers

and clients in our site's SCIF

. Performing server maintenance such as patching, updates/upgrades,

backups, restores

. Supporting scheduled and troubleshoot/resolved unscheduled outages

. Installing Linux patches and hot fixes and maintained server security

compliance

. Making recommendations to purchase hardware and software

. Maintaining documentation of hardware and software configuration

. Part of a team that traveled annually to DoD sites around the world to

perform system/application upgrades and provide on-site support.

LEAD SYSTEM ADMINISTRATOR: Apr 2008 - Oct 2010

Lead a team of 3 administrators that provided system engineering and

integration support in the Red Hat Linux 5 environment for the Event

Management Framework, a DoD application that provided US CINCs near

instantaneous information on national and world wide events. We remotely

monitored and maintained production servers located in Columbus, OH, from

our customer's secure lab in Falls Church, VA. Duties included maintaining

system and user accounts, system performance monitoring and tuning,

troubleshooting and repairing outages, system backups and restores, OS and

application updates and patches.

RECALLED TO US NAVY ACTIVE DUTY from March 30, 2007 thru March 30, 2008.

SYSTEM ANALYST/ENGINEER: Dec 2004 - Mar 2007

Responsible for analyzing DoD command & control software to determine its

use by the Japanese Defense Agency (JDA) Central Command System (CCS).

Provided system engineering and integration support, technical assessment

and evaluation of the Japanese GCCS (JGCCS) configuration in the Solaris 7

environment. Monitored program and baseline changes to identify impacts on

the operation, maintenance, and evolution of JGCCS. Travelled twice a year

to Japan to provide on-site support.

TEST ENGINEER - GCCS Program: Jun 2004 - Dec 2004

Responsible for testing GCCS software and documentation. Built Solaris

2.5.1 workstations and servers from the ground up and installed software

to test and evaluate the configuration; produced test plans and reports

and generated problem reports.

UNIX SYSTEMS ADMINISTRATOR: May 2000 - Jun 2004

Responsible for maintenance of Oracle database development servers, user

accounts, installed software baselines, security compliance and

integration testing on a Solaris 2.5.1 platform. Supported the

Configuration Manager and database administrators on the JOPES Project.

TEK Systems - Reston, VA: CONSULTANT: Jan 2000 - May 2000

Responsible for the nightly archive of proprietary accounting software on

Windows and UNIX platforms.

JAVIS - McLean, VA: SYSTEM ADMINISTRATOR: Dec 1997 - Jan 2000

Responsible for the daily operation and maintenance of the Global Command

& Control System (GCCS) Oracle database servers on a Solaris 2.5.1

platform.

DMR TRECOM - Vienna VA: SYSTEM TESTER: Sep 1997 - Dec 1997

Information Systems Consultants (ISC) - Vienna, VA: PROGRAMMER/ANALYST:

Jul 1993 - Sep 1997

Virginia School for the Deaf & Blind (VSDB) - Hampton, VA: CONSULTANT: Mar

1993 - Jul 1993

MANTECH Corporation - Norfolk, VA: PROGRAMMER: Sep 1990 - Feb. 1993

Military Service

. July 1, 2011 - Retired as a US Navy Chief after 25 years of honorable

service.

. Recalled to US Navy active duty to support Operation Enduring Freedom

from 3-30-2007 to 3-30-2008.

. July 1991 - June 2011. US Naval Reserve - Stationed at various

Administrative and Operational commands.

. March 1986 - March 1990. US Navy - Active Duty. Honorably Discharged.

Education

B.S. in Computer Information Systems in 1986 from DeVry University, Chicago

Technical Competencies

Solaris OS 2.5.1 - 10, Unix, Solaris 10 OS and ZFS, and Solaris 10 Service

Management Facility (SMF), Red Hat Enterprise Linux 5 & 6, Fedora 17, IBM

AIX 4.2.1, HP-UX 10.20/11.0, GCOS 6/8, Windows (Win2000 thru Win7), MSDOS,

SUN Solaris Administration, Linux Administration, Active Directory, Windows

2000/XP and Windows 2003 Server administration.

Hardware: Various Sun SPARC, M-Series, T-series, & Enterprise Servers,

Cisco Catalyst Switches, Fiber Channel connected arrays, PC Compatibles &

Laptops

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