Gerald Crenshaw
2709 Lakeway Drive
Rowlett, Tx. 75088

[email protected]

April 2009

SYSTEMS ENGINEER/TEST ENGINEER

TECHNICAL SUPPORT ENGINEER

TECHNICAL TRAINING INSTRUCTOR/DEVELOPER

NETWORK/ENGINEERING LAB TECHNICIAN

OBJECTIVE:

A position in the electronics field that will utilize my experience and expertise in support of RF to optical equipment or my background in technical training and emergency communications.

 

EXPERTISE:

Ø       Troubleshooting: I’ve done extensive technical support and troubleshooting to maintain optical and DWDM networks. I’ve worked with product vendors to resolve complex technical issues on SONET, SDH, DWDM devices and optical amplifiers.

Ø       Documentation:  I’ve written technical documents such as Course ware, application bulletins and field modification bulletins including Method of Procedures (MOP’s) as required to support network operations test and analysis: I test vendor updates/fixes on hardware and software in lab prior to field delivery, and submit recommendations as to the viability of the updates.

Ø       Technical Training: I’ve developed technical training courses and executive-level presentation materials and delivered them in both a traditional classroom and via interactive videoconferences.

Ø       Innovation:  I develop my own special-purpose test devices and interfaces when needed.

 

EXPERIENCE:

State of Texas, Department of Public Safety: Telecommunications Technician.

Feb 2006 to Present. Duties include maintain Texas State Troopers mobile radio, video and radar systems and electronic suite in cars. Dispatch to field to maintain VHF/UHF and microwave radio repeater systems. Maintain Region 1 Headquarters central dispatch console computers. Interface with FCC as required for solving interference complaints. Maintain Obstruction/Beacon lighting systems to FAA requirements. Assist tower crews as required maintaining antennas. Travel statewide to assist in the digital conversion reprogramming of radios, and retrofit of state police cruisers. Travel statewide for installation of In-Car Computer systems in state police vehicles. Installation of "Higher Ground" voice recording equipment on phone and radio channels in dispatch centers. Rebuild and move of station equipment to new shelters. Designed test fixtures and devices as required maintaining existing equipment infrastructure.

 

Network Technician/Safety and Security Officer

TIME WARNER TELECOMMUNICATIONS June 2001 to Oct 2005 Dallas TX. Duties include test and turn up of customer circuits from voice channel to OC-192. Installation and maintenance of optical equipment at Central Office including Alcatel, Lucent, Cisco and Nortel. Installation and test at customer premise of Integrated Business Line (IBL) equipment and SB Outburst equipment. Ported phone number. Hot cut and roll of T1 circuits. Interface of equipment to Customer Premise Equipment (CPE) such as routers and Private Branch Exchange (PBX, PABX VoIP ) equipment.  Dispatch to customer location as necessary to test and troubleshoot circuits. Install, test and trouble shoot equipment, cross connects and optical inter-connects in central office and at customer locations. Installation of Cisco routers and other Ethernet equipment, troubleshoot customers systems as required. Maintain company vehicle and test equipment. Travel to other cities as needed to aid in natural disaster relief efforts. Design and manufacture of remote communications cabinets for satellite locations, these include battery plant and rectifier to the optical handoff. Established fiber optic Points of Presence (POP’s) in numerous buildings and inserted new nodes into existing rings. Maintain the Dallas Operations Nortel Meridian PBX. Assigned additional duties of Safety and Security Officer for Dallas Operations. Maintained all aspects of the safety programs. Prepare power point presentations as needed and hold monthly training sessions. Maintain Training records for corporate and insurance requirements. Most of the training presentations I have prepared are now used company wide.

 

New Technology Support Engineer

WCOM/MCI TELECOMMUNICATIONS: June 1998 to February 2001 Richardson TX. Duties include resolving technology issues as new equipment was added to the network. Issues included resolving problems on Asarte, Cienna, Corning, Nortel, Siemens and Pirelli SONET (OC-3 to OC192) optical transmission equipment, optical amplifiers, and DWDM devices. Support of microwave radios in the network. Test vendor updates and procedures for software and hardware in equipment lab prior to field deployment. Interface with equipment vendors as required to resolve issues including participation in monthly engineering and service reviews. This position was “On call 7x24”. Author as needed executive presentation material and Field Modification Bulletins (FMB’s) and Technical Application Bulletins (TAB’s) to support transmission operations. Established and maintained a department web page. This delivered critical information to the field personnel in a timely fashion. Laid off 3/02/2001.

 

3rd Level Transmission Equipment Support Engineer

MCI TELECOMMUNICATIONS: March 1997 to June 1998, Richardson TX. Contracted to provide support to Avantel Telecommunications in Mexico. Duties include resolving complex technical issues on high-speed Nortel TN16 SDH optical transmission and network management equipment. Travel to Mexico as needed to install and upgrade hardware and software. Test software and hardware in equipment lab before deployment. Author Field Modification Bulletins (FMB’s) and Technical Application Bulletins (TAB’s) as needed to support Avantel transmission operations. Established and maintained web pages of FMB's and TAB's for remote access by Avantel Field Engineers. Contract canceled in June 1998.

 

Technical Training Instructor

MCI TELECOMMUNICATIONS: Jan. 1995 to March 1997, Richardson TX. Duties include training employees or customers in specific subjects and/or equipment use by MCI. This includes delivering lecture and lab assignments in both Lead and Backup instructor capacity. Development of courses and workshops, and providing presentation materials, (Including Power Point presentations) updating and revising the course content. Delivered course material by Interactive Distance Learning (live closed circuit TV). Developed web based training as needed. Courses taught include SONET Overview, SONET Operations and Maintenance and Basic Field. Engineering. Traditional standup instruction included FAA/LINCS, Digital Radio, Data Transmission, Fiber Optic Splicing, Fiber Optic Cable Restoration, DEXCS 3/3 Cross Connect, Basic Field Engineering, Data Transmission, Digital Multiplex, Power Systems, and the Facilities Management Course. Other duties included engineering and design of training laboratories. Installed and maintained equipment in training laboratories. Established and maintained fiber optics network between labs and maintained and rearranged as needed. Received the “Network All Stars Award” for development and delivery of Transmission Training to Avantel Telecommunications.

 

 

 

Training Lab Engineer

MCI TELECOMMUNICATIONS: July 1994 to Jan. 1995. Richardson, TX. Duties include designing, installing and maintaining the Training Laboratories. This includes completing all Field Modification Bulletins (FMB’s) and Technical Application Bulletins (TAB’s) on equipment for the facility. Additional duties include maintaining the Computers and A/V equipment for the center. Received the “HERO” award for the design of DS-3 Restoration Training and associated training equipment racks.

 

Technical Training Instructor

MCI TELECOMMUNICATIONS: April 1988 to July 1994. Richardson, TX. Promoted to Technical Training Instructor. Responsibilities include training employees or customers in specific subjects and/or equipment use by MCI. See above.

 

 

Electronics Specialist/Test Engineer

MCI TELECOMMUNICATIONS: September 1980 to April 1988. Richardson, TX.  Served as Electronics Specialist. Duties included test and repair to component level, Analog Multiplex, Digital Multiplex, Battery Chargers and Microwave Radio equipment. Use of test equipment including Oscilloscopes, Voltmeters, Frequency counters, Transmission Test Sets, Spectrum Analyzers, Microwave Link Analyzers, Selective Level Meters, and Selective Level Generators. Other duties included maintenance of PBX, telephone/data line installation. Designed and manufactured test sets for modules, devices and test equipment for field use including alarm panels, frequency synthesizers, pre-distortion and base-band test sets, lightning protection equipment for microwave radio and protection switches. Operated a prototype Printed Wiring Board lab (P.W.B.), which included drafting of the PWB artwork, exposing, developing and etching PWB’s.

 

Warranty Repair Technician

C.I.T. ALCATEL: September 1980 to December 1984. Concurrent with duties at MCI and in a joint agreement between MCI and C.I.T., served as warranty repair station for C.I.T. equipment in North America and Canada. This included repair of C.I.T. equipment, working with MCI field personnel to resolve equipment problems, modification of equipment on-site and at depot level. Travel to field for on site modification if needed. Operated a warehouse for C.I.T. containing equipment, cable, and hardware to fulfill warranty obligations. Installed and demonstrated equipment to customers. This ended when C.I.T. established a warranty service center in Reston, Virginia.

 

Production Test Technician

ROCKWELL INTERNATIONAL: June 1980 to September 1980. Richardson Texas, Microwave Radio / Switching Group. Test and repair to component level digital and analog microwave radio assemblies.

 

Production Test Technician

ROCKWELL INTERNATIONAL: October 1979 to May 1980. Cedar Rapids, Iowa.

Collins Avionics and Missiles Group. Served as Production Test Technician. Test, align and repair to component level 618M3/A VHF aircraft transceivers.

 

 

 

Test Technician

SPERRY MARINE  SYSTEMS: (formerly SPERRY RAND) September 1974 to October 1979. Charlottesville Virginia. Served as Test Technician. Test and repair to component level radar, compass guidance systems. Tested and repaired other equipment including HF Antenna Couplers for the B707 airframe including the coupler for Air Force One. Tested equipment to DOD and DCAS specifications.

 

Service Technician

HEINZ Electronics: December 1977 to October 1979. Charlottesville, Virginia. Part time service technician. Repair to component level, Stage musical instruments and equipment

 

EDUCATION
March 2001, BS Telecommunications, Trinity college and University

Sepetember 1974 to APRIL 1976: Attained 80 quarter hours towards an A.A.S. in Electrical Engineering at PIEDMONT VIRGINIA COMMUNITY COLLEGE, Charlottesville, Virginia. This program was canceled due to lack of enrollment.

August 1974: Graduate PIEDMONT VIRGINIA COMMUNITY COLLEGE Charlottesville, Virginia. Earned certificate in Electronics Servicing (a four quarter program) placing third in a class of twenty two.

 

LICENSE’S

FCC General Radio Telephone Operators License: License Num. PG-101711 Lifetime License, No Expiration Date.

FCC Amateur Radio License: Extra Class Operator. Call sign WD4BIS. Operation on HF to UFH

 

TECHNICAL TRAINING

 

AMP -Fiber Optic Connector Termination

MCI Field Engineer

Asarté - Optical Switch

Lightwave Transmission Systems

Bell Atlantic - SONET

Nortel - RD4A Digital Microwave Radio

Bosch - Optical Amplifier

Nortel - MAS 7 Switch Maintenance

Data 1, Data 2, Data 3

Nortel - OC-48 Operations & Maintenance

DEXCS 3/1  Digital Cross Connect

Nortel - SONET OC-48 Network Manager

DEXCS 3/3 Digital Cross Connect

Nortel - OC48 Software upgrade

DEXCS 1/0 Digital Cross Connect

Nortel - Expert P-Loop Troubleshooting

DEXCS 1L, Digital Cross Connect

Overture Ethernet Multiplexer

Digital Transmission Systems

Power Systems 1, Power Systems 2

Digital Microwave Radio

Power Systems Maintenance

FAA/LINCS Operations

Rockwell -MW109E Sys. Maintenance

FAA/LINCS 4602 Operation

Rockwell -MSR 6 SSB Radio Maintenance

Fiber Optic Cable Restoration

SONET Overview

Fiber Optic Splicing

SONET Operations and Maintenance

Fujitsu - FM6G Microwave Radio

Pirelli - T31 Optical Amplifier

Fujitsu - FNM1800 Operations & Maint.

Pirelli - bi-directional Optical Line Amp.

IDNX Operations and Maintenance

Siemens - Optical ISR Regenerator       

Lucent OLS400G

Siemens - TransXpress Infinity

Lucent- Connect Reach Platform.                 

Worldcom Coax Termination

Lucent - DMX Access Multiplexer

 

Lucent – DMXplorer

 

 

 

NON TECHNICAL TRAINING

 

FEMA Community Emergency Response Team Trainer

PMI -Teaching Technical Subjects

Facilities Management

Process Management

FOCUS - Presentation Skills

Ridge Associates - The Craft of Training

IDL Presentation Skills

Technical Course Development

IDL Course Development

Transtector - Environmental Protection Systems

 

 

 

 

PUBLISHED ARTICLES:

·         November 1993, “CQ”, Pg. 106 - KDK-240 Transceiver to KPC-3 Packet Interface

·         February 1994, “QST”, Pg. 74 - Connecting Tape Recorder Audio to the Kenwood TH-27 Hand Held Transceiver.

·         November 1998 QST Pg. 71 - New uses for older open frame power supplies.

·         Column, “New Ham Partner” in the Garland Amateur Radio Club Newsletter. This has been placed on the on the Internet for other clubs to use, To date they have been published in over fifteen newsletters. (A list and the URL is available on request).

·         March 23 1998 Electronic Design - Peese Porridge http://www.elecdesign.com/Globals/PlanetEE/Content/2324.html

 

REFERENCES:

References are available upon request.


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