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Jeffry Bretz
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- Telephony
- Computer Repair
- Telecommunications
- Network Design
- Ethernet
- Show all
Bio
Credentials
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Competent Communicator
Toastmasters InternationalJan, 2014- May, 2026 -
Certified Electronics Technician - Communications
International Society of Certified Electronics TechniciansSep, 1999- May, 2026 -
Certified Electronics Technician - Computer
International Society of Certified Electronics TechniciansSep, 1999- May, 2026 -
ISO 9000 Internal Auditor Training
Stat-A-Matrix InstituteJan, 1997- May, 2026 -
Broadband RF Technician Part 2
National Cable Television InstituteFeb, 1996- May, 2026 -
Broadband RF Technician Part 1
National Cable Television InstituteDec, 1995- May, 2026 -
FCC General Radiotelephone Operator License
Federal Communications CommissionApr, 1989- May, 2026 -
FCC Amateur Radio License - Extra Class
Federal Communications CommissionJul, 2014- May, 2026 -
Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)
CiscoAug, 2018- May, 2026 -
Metro Ethernet Forum Carrier Ethernet Certified Professional - MEF-CECP
MEF ForumSep, 2015- May, 2026 -
Security+
CompTIADec, 2014- May, 2026 -
Network+
CompTIAAug, 2014- May, 2026 -
A+
CompTIAJan, 2013- May, 2026 -
Cisco ICND1
CiscoJul, 2014- May, 2026
Experience
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United States
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Telecommunications
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700 & Above Employee
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Network Engineer III, Network Eng & Arch, Core Optical
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May 2017 - Present
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Optical Proof of Concept Engineer
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Feb 2015 - May 2017
Testing and evaluating next generation optical systems including Passive Optical Networks (PON) at the 1gbps and 10gbps levels along with Dense Wave Division Multiplexing systems (DWDM).
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Owner
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May 2001 - Oct 2015
• Provide computer, network and telephony support to medium and small businesses throughout Denver. Major clients include: Healthcare, dentists, CPAs, realtors, finance and contractors.• Sold computer hardware, software and network components.• Provide system analysis of client needs, training...
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Istonish (6 month Contract)
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6400 South Fiddlers Green Circle, Suite 1750, G...
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Service Desk Technician
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Mar 2014 - Sep 2014
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6400 South Fiddlers Green Circle, Suite 1750, G...
• Provided remote access and onsite support for a wide range of customers ranging from the Colorado Department of Parks through various hospitals and businesses in Colorado and Wyoming.• Provided server and desktop support.• Performed upgrades and rebuilds of client computers.• Performed network,...
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Network Integration Lab Engineer
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1985 - 2001
Test various systems, ranging from SONET OC-192 through central office phone switches, such as the DMS-100 and the 5-ESS. Also worked on the testing of the fiber optic-based cable TV system being tested by Qwest for deployment.• Managed the installation, testing, and field deployment of the Tekel...
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Mutual of Omaha
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Greater Omaha Area
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Video Engineer
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1980 - 1985
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Greater Omaha Area
Repaired and operated both studio and remote Audio/Video equipment. Provided video engineering support for nationwide interviews to be used in training programs and provided video engineering and production support at corporate conferences and seminars .
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United States Air Force
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Korea, California, Texas and New Jersey
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Electronics Cryptographic Systems Repairman
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1971 - 1975
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Korea, California, Texas and New Jersey
Repaired and maintained various coding and decoding systems for the United States Air Force. Repair was down to the component level on circuit cards.
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Education
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1991 - 1994University of Colorado at Boulder
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1986 - 1991
Regis University
Suggested Services
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Industry Focus. “Telecommunications and Networking”
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