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Elvis OReillyNETWORK ENGINEERMc Kinney, TX PHONE NUMBER AVAILABLE EMAIL AVAILABLEObjectiveDynamic and detail-oriented Network Engineer with 20+ years of hands-on experience in provisioning, implementing, and optimizing complex network infrastructures. Seeking to leverage my strong technical skills and keen interest in IT Security to transition into a role that integrates both network management and cybersecurity. Adept at troubleshooting, maintaining high-performance networks, and proactively identifying vulnerabilities to enhance system security. Eager to contribute to a forward-thinking organization where I can continue to grow professionally and support robust, secure network environments.ExperienceSamsung -TAC - Engineer - (March 2020  Present)- Deliver advanced technical troubleshooting for 4G and 5G ORAN network issues, ensuring efficient resolution of carrier customer trouble tickets.- Managed Night Operations ensuring 24x7 coverage- Conduct comprehensive log collection across various network elements to support Global HQ- Investigate cases to ensure SLAs were met and maintained and coordinate with necessary teams for timely resolutions.- Coordinated with global team to refine and improve operational process and procedures- Developed, managed and implemented Software and Firmware Upgrades to 4G and 5G networks- Created procedures documentation for troubleshooting OCNS, RAUP and Unix LogsSpectrum/Charter - Network Engineer II - (October 2018  March 2020)- Developed and implemented MOPs into Charter Network via Change Management process- Performed detailed DOCSIS post network certification- Scheduled, Implemented and Deconflicted network changes via Change Management calendar- Performed Layer 1 through Layer 4 testing on productions networks in support to DOCSIS environmentT-Mobile - Network Technician / Universal Subscriber Data, Intelligent Network - (2013  March 2020)- Collaborated with Ops Engineering project deployment, and vendors to isolate and resolve issues on the T-Mobile Network Platform- Developed core and access monitor team technologies that evaluated production network for critical events- Leveraged Linux/Unix command line and shell scripting for network operations and troubleshooting.- Administered standards and Governed devices including NAP, DUS, PCRF, HLR, HSS, EIR, EEIR, PGD, PGW, CID, RDS, DRA, VMR OCC, EPE, ECC, SDP, EMM, F5, A10, GMLC, and NOKIA NetAct OSS.- Managed equipment, vendors and worked with customers to drive critical network outages to resolutionIP Deployments- Collaborated with Tier 2 groups, field technicians, and vendors for network upgrades and maintenance across T-Mobile's infrastructure.- Configured devices and protocols including Cisco Catalyst, Nexus, and Alcatel-Lucent systems.- Conducted tech reviews, implemented MOPs, and managed device configurations and monitoring.TEKsystems - Network Technician (Contractor) - (2011  2013)Intervoice/Convergy Intervoice - Network Technician II - (2008  2011)T-Mobile - Network Engineer - (2007  2008)Valor - Network Engineer (2005  2007)Birch Telecom - Facility Provisioner (2003  2004)XO Communications - Tier 1 Technician (2000  2002)MCI WorldCom - Tier 1 NOC Technician (2000)US Army - Outside Plant Specialist (1996  1998)CertificationsGIAC Response and Industrial Defense (GRID)  Feb 2022Skills & abilities-Network Protocols: Proficient in TCP/IP, BGP, OSPF, EIGRP, RIP, MPLS, and VLANs.-Routing and Switching: Expertise with Cisco IOS, IOS XR, NX-OS, and Alcatel-Lucent operating systems. Experience with Cisco Catalyst, Nexus, and ASR series routers and switches.-Network Security: Knowledge of firewalls, VPNs, IDS/IPS systems, and security protocols.-Wireless Technologies: Experience with Wi-Fi standards, 4G/5G networks, and RF principles.-Network Monitoring and Troubleshooting: Skilled in using tools like Wireshark, SolarWinds, Nagios, and NetFlow for diagnosing network issues.-Configuration Management: Proficient in network configuration management tools and practices.-Server and Storage: Familiar with server hardware, operating systems (Windows, Linux/Unix), and storage solutions.-Troubleshooting: Advanced skills in diagnosing and resolving network issues, both in the field and remotely.-Performance Optimization: Ability to analyze network performance metrics and implement improvements to enhance efficiency and reliability.-Incident Management: Experience in managing and escalating incidents effectively to minimize downtime.-Documentation: Proficient in creating detailed network documentation, including diagrams, configuration guides, and troubleshooting procedures.