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Okwudiri Opara

@okwudiriopara

I am a Cisco network engineer specializing in NOC, IP, security.

United States
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What I'm looking for

I seek a senior network/NOC role where I can lead incident response, design resilient IP infrastructure, mentor engineers, and drive operational excellence in a collaborative, standards-driven environment.

I am a Cisco Network Engineer with extensive experience in hardware, software, and enterprise networking, backed by Cisco Specialist - Enterprise Core certification and CCNA/CCNP training. I plan, implement, verify and troubleshoot local and wide-area networks to meet operational standards.

At Comcast I lead technical outage bridges, analyze operational data and metrics, and act as a technical resource on projects to ensure successful implementations and adherence to company standards. I perform routine maintenance validated to minimize impact and provide actionable insights from monitoring tools.

Previously I supported core IP networks and security at T-Mobile, managing LAN/WAN/WLAN infrastructure, load balancers, firewalls and AWS nodes, and provided second-level escalation and thorough incident documentation. I also worked in voice and data troubleshooting for Verizon Wireless/Primus, resolving large-scale voice issues and optimizing system performance across GSM, 1X, EVDO and LTE networks.

I take pride in mentoring less-experienced team members, driving incident resolution, and contributing to resilient network design and operations. I am collaborative, process-oriented, and focused on delivering measurable improvements in network reliability and customer satisfaction.

Experience

Work history, roles, and key accomplishments

Comcast logoCO
Current

NOC Engineer

Oct 2019 - Present (5 years 11 months)

Troubleshot and repaired complex network issues, led technical outage bridges, and provided actionable analysis of metrics to drive operational improvements and adherence to engineering standards.

T-Mobile logoTM

NOC IP/Security Engineer

T-Mobile

Jun 2017 - Aug 2019 (2 years 2 months)

Monitored and maintained core IP, LAN/WAN and WLAN infrastructures, provided second-level escalation for network and hardware issues, and coordinated vendor RMAs and transport carrier troubleshooting to restore services.

PC

Voice and Data Technician

Primus Software Corporation

May 2015 - Apr 2017 (1 year 11 months)

Analyzed and resolved voice and data service issues (GSM/1x/EVDO/LTE), traced calls across switches and trunks to restore service, and collaborated with system performance teams on large-scale outages.

Education

Degrees, certifications, and relevant coursework

AI

Avtech Institute

Certificate, Network Engineering

2012 - 2015

Completed CCNA and CCNP training at Avtech Institute from 2012 to 2015.

University of Calabar logoUC

University of Calabar

Bachelor of Science, Business Education

Completed a Bachelor of Science in Business Education at the University of Calabar, graduating in February 2000.

Cisco logoCI

Cisco

Cisco Certified Specialist - Enterprise Core, Enterprise Networking

2023 -

Earned Cisco Certified Specialist - Enterprise Core certification in September 2023.

Tech stack

Software and tools used professionally

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Okwudiri Opara - NOC Engineer - Comcast | Himalayas