Ossie L. Yelder                          140 Traditions Lane, Hampton, GA 30228 ▪ (770) 337-1250 ▪ dawiz55@yahoo.com

 

SUMMARY OF QUALIFICATIONS

Accomplished Wireless Network Engineer with an impressive blend of technical and people skills, committed to providing quality service. Self-motivated individual that has success in designing, implementing of network technologies. Proven Project Manager handling Enterprise Business accounts, teaming with Sales, Customer Service, Installation, Network and Maintenance at presentation meetings, to establish new accounts and grow existing business.  Looking to have the opportunity to build next generation networks, delivering integrated end-to-end voice and data communications solutions worldwide.
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Skills & Qualifications

 

·   Proficient in troubleshooting call routing and wireless voice and data issues

·   Problem resolution and process improvement 

·   Excellent oral and written communication skills. Proficient in MS Office Suite 10 and Windows 8

·   Understanding of GSM/UMTS/LTE and VoLTE network concepts, architecture

·   Expertise of the wireless network architecture and signaling, including: GSM, UMTS, LTE, VoLTE, and Cisco Call Manager VOIP.

·   SS7(Circuit Switch Data), IMS and EPC IRIS packet trace for VOIP Calls, Wireshark.

·   Proficient in SQL, Unix, Sonet Ring, HP and Nortel HLRs.

·   MCSE-MCP Windows 2000 Certified

·   VMWare Cloud and Software Defined Network (SDN), Network Function Virtualization (NFV) and Function, Openstack, VLANs and VPN.

·   Data Forecasting

·   Certified Six Sigma Yellow Belt

 

Professional Experience

 

ATT Mobility

RRC NOC Engineer2015-Present, Atlanta, GA

·   Investigate and troubleshoot Critical to Minor Alarms on Alcatel-Lucent, Nokia and Siemens sites.

·   Vendor platforms supported ;Alcatel-Lucent, Nokia and Siemens…which includes RNC/Node B, eNode B, SIAD, BSC/BTS and not limited to testing, reporting and LEC escalations of T1, DS3, OC+, and Ethernet circuits

·   Collaboration and Teamwork with Packet Core Data, Message Core and Voice Core, and Transport

·   Knowledge of OSI Layer 3

·   Project Management Skills

·   Technical Writing skills

·   Knowledge of Programming Languages

·   OSI 7-layer model

·   E911 Engineering

·   Emerging Technologies

·   Knowledge of Network Maintenance and Provisioning (alarm management platforms, chronic analysis, isolation and triage, remote network access)

·   Knowledge of Network Architecture

 

 

 

 

 

             ATT Mobility 2008-2015, Atlanta, GA

 

             Team Lead, Sr. Network Control Engineer

·   Preformed moderate to highly complex analytical task and activities to support non-roaming services for domestic customers, while working with internal and vender NOC’s.

·   Diagnose and complete analysis to identify root causes of outages to immediately resolve network issues in the GSM, UMTS/GPRS, LTE and VoLTE markets; engage if necessary other networking groups for resolution. Reviewed and collected KPI’s if necessary in the trouble phase to resolve network issues.

·   Utilize specialized knowledge of network systems, proficient in SS7, EPC and IMS Iris call and packet tracing, Lucent and Ericsson MSC equipment, voicemail platform, Nortel and HP HLR’s.

·   Provided technical evaluation testing to identify, interpret, research, and correct service affecting issues while accessing the AT&T wireless network. Coordinate with intra and inter departmental bases across all levels within the organization as well as externally with LEC or Long Distance partners and vendors; to recommend processes and/or operational changes to prevent recurrences in translations issues.

·   Provide next Tier support and act as the SME (Subject Matter Expert) in troubleshooting and resolving complex translations for call and data related problems and escalations while meeting trouble ticket resolution expectations.

·   Adjunct manager

·   Assist with implementation of translations changes during the maintenance window and coordinate market test calls.

 

 

               ATT Mobility 2003-2008, Atlanta, GA                                                                                   

 

               Technical Specialist III

·   Responsible for moderate to highly complex analytical task and activities to support roaming services for domestically and internationally roaming customers and partners. Worked in conjunction with Telcel, Vodafone, O2, Roger’s, and other international and domestic carriers.

·   Diagnose and complete analysis to identify root causes of outages to immediately resolve network issues in the TDMA, GSM, and GPRS/UMTS; while utilizing specialized knowledge of roaming and network systems.

·   Provided technical evaluation testing to identify, interpret, research, and correct service affecting issues while accessing the AT&T wireless network. Coordinate with intra and inter departmental bases across all levels within the organization as well as externally with roaming partners and vendors to recommend processes and/or operational changes to prevent recurrences.

 

 

 

Education

 

ITT Technical Institute 1994, Knoxville, TN

              Associate of Applied Science in Electronic Engineering Technology