Donald Sessoms

**** ****** ****** #***

Honolulu, Hi. 96815

808-***-****

acdyk1@r.postjobfree.com

Career Summary

Mr. Sessoms has over 24 years of experience in the Information Technology (IT) field. This experience includes implementing, troubleshooting and administering Tier 3 supports to mission systems. He has working knowledge of Sun, Dell, Dec, and HP hardware platforms and Solaris, Linux, Tru64, and VMS software. He is the principal system administrator responsible for rapid response to mission and customer needs, detection and resolution of system failures and errors, routine network software and hardware installation and replacement for mission systems.

Summary Breakdown

As the System Administrator for the intelligence community network and mission systems, I use the Linux, Unix and VMS operating system to administer them.

• I am able to track, diagnose, analysis, as well as identify and resolve moderate to complex problems, from local and remote users. I work daily with developers, engineers, technical, and non-technical personnel to resolve problems. My duties include, Setting up users accounts, Adding patches, Loading software and OS on the workstation such as the Linux and Unix Operating system, System backups, Install computers and computer system,

Proficiency in Package Management System (Red Hat/RPM, CentOS, and OpenSUSE),

Possesses great customer service and communication skills,

Experience installing, configuring and managing server applications.

• Track intelligence community network and audio problems using the operating system tools, Troubleshoot T1 Switching / Audio distribution system faults, Troubleshooting fiber optic related problems, using ping and traceroute commands,

• Monitor and setup Auditing on the system by writing little scripts; such as Linux and Unix scripts to email me when a user has three failed login a-temps or when the disk is at a certain % full and to see when and who rebooted the system last. Answer trouble calls that's passed on from our helpdesk, Troubleshoot remote problems, Write DR’s for known system problems that’s in compliance with Configuration management and follow up on it’s progress,

• Write standard operations procedures for the system administrators and the helpdesk,

• I am able to schedule downtime for system outages and upgrades.

• For Windows base system, I setup user’s account, unlock user’s accounts, and troubleshoot account problems.

• Setup and troubleshot messaging system to receive and transmit fax and special reports.

• Work a lot with our Comm center to include comm’s checks, and troubleshooting comm related problems, Monitor system performance using GUI base tools and summit Monthly and quarterly reports and more.

Security Clearance

TS/SCI with Full Scope polygraph

Education and Training

Northern Virginia Community College, Linux/Unix Training, 2008

Linux + Certification, 2008

Brigham Young University, Linux Training, 2006

Capital College, CCNA course - GPA:3.5, 2002

Capital College, Network + Certification, 2001

National Radio Institute, Audio/Video Servicing, Certificate, 1993

National Radio Institute, Digital Servicing, Certificate, 1990

DeVry Institute of Technology, Diploma - GPA:3.5, 1984

Electronic Computer Programming Institute, Certificate – GPA:3.6, 1979

Professional Experience

CACI

October 2009 to June 2010 Misawa Japan

June 2010 to Present Kunia, Hawaii

• Perform LINUX / UNIX system administration, including configuration, troubleshooting and automation of tasks within a network environment. Monitor server backups and server health and services in accordance with company standards. Execute hourly checks of Ticketing System, Servers and Services. Provide customer assistance on all related UNIX hardware and software related problems. Work on assigned tasks and projects in fast changing environment.

Advanced System Development

May 2007 to September 2009 Crystal City, Va.

• Perform LINUX / UNIX system administration, including configuration, troubleshooting and automation of tasks within a network environment. Monitor server backups and server health and services in accordance with company standards. Execute hourly checks of Ticketing System, Servers and Services. Provide customer assistance on all related UNIX hardware and software related problems. Work on assigned tasks and projects in fast changing environment. Some tasks include, Running the CSW (community software) package updates twice a week, Running the Linux repository updates once a week, Running the clients updates once a week, Updating the monitoring system and sending out a status report monthly on the servers and services of the system, Also I research how to best optimize Linux and Solaris performance.

ManTech Advanced Systems International

October 2003 to May 2007 Kunia, Hawaii

•Responsible for the installation, maintenance and the LINUX / UNIX System Administration duties of over 20 mission systems to include communicate and coordinate with the government and associate contractor site representatives on upcoming and current system upgrades, system maintenance operations, and new subsystem additions/integration. In addition to, Microsoft has played a big part for most of my career, All of my reporting was done using Microsoft office products such as Microsoft office Word to create and edit text, Microsoft office Excel to Perform calculations and analyze information, Microsoft office outlook to create short cuts and read email, and some Microsoft office PowerPoint used to give Presentations.

• Provided system integration and system engineering support to various large scale initiatives to include Worldwide distributed system for the collection and processing of AM/FM and Geolocation signals, voice collection systems, and High Frequency Direction Finding (HFDF) network troubleshooting.

• Monitor Remedy Help Desk for all in-coming requests for service and ensure that all actions taken are properly documented. Analyze user requirements, procedures and problems in order to improve existing computer system; provides technical guidance to lesser-experienced systems administrators.

• Assist in the signal distribution systems integration and installation, implementation of software updates and upgrades, emergency replacement of failed or upgraded network components. Involved and supported process of converting ATM to gigabyte Ethernet.

April 2001 to October 2003 Fort Meade, Maryland

• Member of a computer and network team responsible for troubleshooting, making recommendations and implement recommended solutions for T1 circuit, T1 switching and forwarding system, receivers and Digital-to-Analog routing system.

• Upgraded system and correct errors to maintain system after implementation.

Performed system backups and recovery; provided general troubleshooting on the program system; maintained data files and monitor system configuration to ensure data integrity; coordinated hardware maintenance and repairs with vendors.

• Presented formal and informal training and assistance to customers; reported, responded to, and resolve customer requests and ensured complete resolution of any user support and Help Desk related calls.

• Agency in Langly Va. As a System Administrator, and as a Sentinel. My duties included System maintenance, Comms checks, System troubleshooting, locally and remote, following (SOP’s) to do system checks. Setup and troubleshot messaging system to receive and transmit fax and special reports.

November 1994 to April 2001 Overseas, England

• As a Network Lead Crew Technician, responsible for troubleshooting and maintaining network related problems throughout the organization. Assigned and tracked all network tasks, Supported TDY teams performing network installations and upgrades. Created and maintained network documentation.

Computer Science Corporation

October 1992 to November 1994 Hanover, Maryland

• Assigned as a technical specialist. Duties include testing, troubleshooting, performing diagnostic testing and repairs of communications equipment to the board/component level.

GE Government Services

May 1988 to October 1992 Hanover, Maryland

• Performed (MINX) multi-media information network Exchange installation, testing and troubleshooting. Activated and modified cable fabrication and routing and frame cross-connects (audio/video communications).

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