Johnny L. Corbin, Jr.

(615)617‐7867 corbinjohnny@gmail.com

http://www.linkedin.com/pub/johnny‐corbin/44/40b/79

Network Engineer III, Regional Network Enterprise Center on Redstone Arsenal (RNEC‐R) AL; Alutiiq/Vista

Technical Services, Mar 2014 – Present

Provide Network Engineering guidance and architectural design on NIPRNET for the Regional Network

Enterprise Center on Redstone Arsenal (RNEC‐R) as well as the 7th Signal Command, 106th Signal Brigade,

Second Regional Cyber Center (2RCC) and RSA tenants. Duties performed at RSA included architecting,

upgrading, installing, testing, troubleshooting, configuring, provisioning, monitoring and implementing

scalable, robust, redundant and secure Networks for the entire RSA iCAN, DMZ and Server Farm

infrastructure with a wide array of network and encryption equipment. Team member that implemented an

entire network overhaul of over 1100 End User Buildings (EUBs) devices and 25 core network infrastructure

devices. Built out additional MST region for Army regionalization efforts to support Data Center

regionalization. Followed and worked OPORDs, Verified and configured Security Technical Implementation

Guides (STIGs) compliance on network equipment for CCRI/RMF/ACS Army accreditation. Worked with

Systems, Server Groups and Help Desk technicians to troubleshoot Active Directory (AD) and RADIUS issues.

Other tasks included Re‐keying, installing, configuring and managing HAIPE Type I encryption devices,

configuring firewall rules and VPN requests. Work Remedy Help‐Desk tickets from RSA tenants. Prevent, track

and identify Denial of Service (DoS) attacks or malicious network activity.

Inside Plant Technician, Camp As Sayliyah US Army Base, Qatar, Mutual Telecom Services, Inc, Jul 2012 – Mar 2014

Responsible for the Operation and Maintenance of the Digital/VoIP PBX and Voice Mail network supporting

over 3000 subscribers. Perform equipment software and hardware upgrades maintaining a high quality of

service. Diagnose outages and perform restoration on network trunks and local customer equipment.

TCF Technician, Camp As Sayliyah Army Base, Qatar, ITT‐EXELIS, Feb 2011 ‐ Jul 2012

Responsible for monitoring and troubleshooting the physical, data link, network, and transport layers of

Strategic and Tactical Communications and Computer Systems; including connectivity to local and wide area

networks, end‐to‐end telecommunications and circuit‐switching systems. Worked with remote tactical

locations and critical end point locations in the U.S. and Europe. Managed monthly updates of encryption

keys and equipment to ensure secure services.

MSO Lead Technician III; MSO Implementation Engineer II, Ericsson/Sprint‐Nextel Communications, Nashville, TN,

Dec 2000 ‐ Feb 2011

Planned and implemented the migration of the Nextel cellular network consisting of over 800 cell sites in five

states, from legacy DS0 based equipment to IP based network equipment, including supporting equipment

with no outages. Planned and implemented the migration of external network connections from various

telecom providers to the local Sprint DWDM network. Wrote scripts for TDM, SONET, DACCS, Frame Relay,

and ATM network changes; including maintaining database of system documentation. Part of the team that

built out the Sprint EV‐D0 network. This included the configuration; testing and turn up of all new links and

associated hardware. Tasked with the maintenance and local troubleshooting of the Sprint‐Nextel

Communications Network. Responsible for the planning, implementation and monitoring of system

expansions and upgrades for the Network (including market cut plans; equipment receiving and distribution;

network design and layout; equipment commissioning and turn‐up; performing post turn‐up monitoring; asbuilt

documentation, and configuration of database). Act as point of escalation and technical support to MSO

staff, including complex problem resolution, managing network outages and restoration, and assisting in root

cause analysis. Perform trend analysis on system components and facilities to anticipate the need for

capacity increases to prevent potential failures.

Field Technician, WorkNET Communications, Inc, Nashville, TN, Aug ‐ Sep 2000

Installed and integrated hardware and software for high speed, fixed, wireless internet systems including

Cisco Routers and Switches at customer locations. Plan, install, and test CAT5, RG6 coax, and AC/DC power

systems. Test network equipment to determine bandwidth utilization and packet loss.

Sergeant 31R20 2B, U.S. Army, Korea; Ft. Huachuca AZ; Kuwait; Ft. Campbell KY, Feb 1992 ‐ Jun 2000

Installed, Operated, and Maintained Mobile Subscriber Equipment (MSE); Remote Access Unit (RAU); Heavy

Tropospheric communications systems in a tactical environment.

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U.S. Department of Defense ‐Secret Security Clearance

Certifications

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Cisco CCNA Routing & Switching ‐EXP June 2018

Cisco CCNA Voice ‐EXP June 2018

Cisco CCENT ‐EXP June 2018

Cisco CCNP Switch (300‐115) June 2015

  · CompTIA Security+ CE ‐EXP June 2018

  · Harvard eLearning Supervisor Certification 2012

Independent Coursework

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Education

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Cisco CCNP R&S (300‐101, 300‐135)

Cisco CCNA Security (640‐554)

Juniper JNCIA (JN0‐201)

EXIN ITIL ‐ Foundation (ITIL‐F)

ITT EXELIS Leadership 201 Course 2012

  · Motorola Operations and Maintenance training classes for the Nextel iDEN network:

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iBSC, eBSC, HA‐DAP, MPS, EBTS, Dispatch, and Interconnect 2000‐2007

Tellabs 5500 DACS Operations and Maintenance 2006

Global Knowledge 2005

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Cisco CCNA Boot Camp

  · Understanding Network Fundamentals

Alcatel 1677 DACS Operations and Maintenance 2005

Cisco Wan Manager Operation and Maintenance 2003

Cisco BPX / MGX Operations and Maintenance 2003

Nortel SPM Configuration, Data fill, and Maintenance 2003

Dantel Environmental Alarm Systems 2002

  · Net Analyst Centralized Testing 2002

  · Athena Computer Learning Center 2000

  · CompTIA Network+

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Air Assault Course

  · NBC NCO Defense Course

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  · DGM Team Chief Course

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Shoals Community College, Muscle Shoals, AL 1993 (No degree)

  · The University of North Alabama, Florence, AL 1992 (No degree)

Training Courses, United States Army 1992‐2000

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Air Force Air Lift Planners Course

Internetworking TCP/IP for Windows NT 4.0, Server, and Core Technologies

Professional Leadership Development Course (PLDC)