Mark Christopher

Results-driven and analytical Field Engineer with over 25 years of experience in wireless network integration, troubleshooting, and maintenance for major telecom providers. Proven track record in 5G Radio Access Networks (RAN) commissioning, fiber optics testing and power plant configurations, ensuring optimal network performance and reliability. Skilled in diagnosing and repairing radio units, routers, servers and environmental monitoring systems, leveraging platforms such as Samsung, Mavenir and Ericsson.

Adept at microwave systems, DAS and optical circuit troubleshooting, consistently achieving 99.9% network availability.

Field Engineer II - DISH-BOOST Wireless, Echosphere LLC - Suwanee, GA

(2023-07 - 2025-11)

• Performed Emulation for site integration and commissioning of 5G Radio Access Network (RAN)
• Troubleshot, replaced and Configured Asentria and RayCap Environmental Monitoring Units
• Repaired and configured associated Power Plants
• Performed Lit and Dark Fiber troubleshooting using Multi-Platform Testing Instruments in addition to associated core local and edge Data Center assets
• Proficient with remote diagnosis of Fujitsu Radios via Samsung and Mavenir platforms. Also, conducted on site Router-Radio link repairs
• Collaborated with other departments on resolution of network outages in efforts to establish great customer experience
• Used ServiceNow application to manage site repairs and maintenance
• OSHA 10 and DELL Client-Enterprise Certified

Sr Field Engineer - T-Mobile USA/MetroPCS - Parsippany-Troy Hills, NJ

(2009-02 - 2023-06)

• Maintained Alcatel-Lucent's CDMA Mod-Flexent and Ericsson GSM, UMTS and LTE Cell Sites in addition to Microwave and Fiber Optics Antenna Distribution Systems (DAS)
• Troubleshot Optical and electrical circuits provided by vendors; Optimun-Lightpath, Time Warner Cable and Verizon. Met circuit and trunk turn up objectives as established in Service Level Agreements
• Managed site outages resulting in 99.9% average availability by resolving service affecting alarms and working with Network Operations Control Center and vendors to ensure repairs within 4 hours of notifications
• Worked closely with Radio Frequency and Site Development Engineers daily to improve the network performance

Field Technical Engineer III - Sprint-Nextel - Westbury, NY

(2000-02 - 2009-02)

• Repaired and installed Lucent CDMA BTS equipment, Repeaters, and fiber distributed antenna systems
• Worked with RF engineers to ensure network stability and reliability while responding to network outages
• Performed drive testing to evaluate coverage and capacity issues in the wireless network and E911 compliance

Bachelor of Science - Electrical Engineering - University of Guyana

Associate of Science - Electrical Engineering - University of Guyana