Summary
Work History
Education
Skills
Additional Information
Timeline
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CHERESE C. COOPER

IT Operations Professional
Snellville,GA

Summary

Results-focused and highly motivated IT professional seeking continuation in a top performer role by gaining additional skills and developing expertise in enterprise network infrastructure and security services. Proven track record encompasses network optimization and administration through provisioning, maintenance, surveillance, and analysis of network elements as a tenured 2nd level manager.

Work History

Senior-Technology Security

(TSO Firewall Fault Management Team)
Atlanta, GA
1995 - Current
  • Current work consists of Tier 2 monitoring, troubleshooting, and maintaining security appliances (IDS, IPS) and firewalls within the Chief Security Office, Mobility (Cellular), DIRECTV, Warner, and U-verse networks of AT&T.
  • Provide Service Assurance for pre and post maintenance activities,
  • Explain technical information in clear terms to non-technical individuals to promote better understanding.
  • Perform Change Management activities on critical network elements.
  • Engage in network outages and oftentimes taking the Resolution Manager role for root cause analysis (RCAs).
  • Proactively run health checks and other preventative options on network equipment.
  • Build relationships with other groups and teams in order to provide quick turnaround times for service level agreements (SLAs).
  • Provide leadership on special projects.

Senior-Network Support

(MTRC E911 Tier II Systems Operations Support)
Atlanta, GA
  • Acted as a senior technical resource for Tier I and other departments regarding E911 network outages by diagnosing, troubleshooting, monitoring, and escalating system issues.
  • Was responsible for monitoring and enhancing the performance of networked systems, software, hardware, and storage components.
  • Played key role in developing and communicating processes and procedures for supporting technical operation activities for E911 Location Based Services.
  • Performed SPOC duties during night shift and on project conference calls and bridges.
  • Adhered to established SLAs and interdepartmental agreements and mitigate risks concerning E911 interconnectivity to the AT&T network as a whole.
  • Assisted in automation initiatives with team programmers for operational reliability.
  • Coordinated and oversaw Change Management & configuration management operating processes for changes to the E911 platform infrastructure.
  • Reviewed KPIs and LSRs (Location Success Rates).

Network Operations Manager

(AT&T Mobility E911/National Voice MTRC)
Atlanta, GA
  • As a supervisor, managed scheduling, training, and performance for first level managers in a 24/7/365 network operations center pertaining to National Voice (SS7) and E911 networks and NOTAM (Cell Tower) Compliance for AT&T Mobility.
  • Was responsible for coaching and developing employees, creating methods and operational procedures (MOPs) increasing knowledge of various network platforms and routers.
  • Provided mentorship and training to team members on cellular networking, traffic flows, tactics, techniques, and procedures.
  • Aligned center goals and objectives with other departments by communicating with department heads.
  • Monitored networks and network devices to resolve technical problems quickly.
  • Acted as subject matter expert (SME) for E911 and router issues.
  • Maintained flexible schedule and responded to after-hours and weekend emergencies.

Network Control Engineer

(AT&T Mobility E911/National Voice MTRC)
Atlanta, GA
  • Was responsible for surveillance, technical support, analysis, troubleshooting and resolution of E911 network equipment (LMU’s, WLG’s, EMS’s, STP’s, ITP’s, HLR’s, Routers) and additional nodes within the E911 and SS7 networks.
  • Monitored E911 vendor equipment from vendors such as: TruePosition, Intrado, and TCS.
  • Facilitated and coordinated conference bridges for major FCC-reportable outages with other MTRC groups, tiered support, translations, Transport et al.
  • Isolated troubles based on wireless platforms (Nokia, Lucent, Siemens, Ericsson, Nortel) and type of outage (Power, HVAC, Transport, MTSO equipment, loss of redundancy)
  • Provided detailed network diagrams, process flow charts and procedural guidelines.
  • Delivered training classes and solutions to NOC personnel; developed methods and procedures, training manuals and job aids for the center.
  • Managed, tracked and coordinated problem resolution and escalation processes.

Communications Technician

(Service Assurance/ABS Customer Service)
St. Louis, MO
  • Provided maintenance for business customers for voice and data services.
  • Interacted with customer NOC’s, LEC’s, Sales Managers, Technicians (Central office, Field, and Testing technicians).
  • Triaged international outages with in-country telecom providers.
  • Provided customer training on network services and business tools.
  • Performed both endpoint and network-based investigations.
  • Determined and resolved problems pertaining to network hardware and software.
  • Tested equipment and circuits using various tools such as standard remote testing tools and network diagnostic tools.

Education

B.S. Cybersecurity - Cybersecurity

Champlain College
Burlington, VT
12.2022

A.A.S. Cybersecurity - Cybersecurity

Gwinnett Technical College
Lawrenceville, GA
2018

A.A.S. Networking Specialist - Computer Networking And Telecommunications

Gwinnett Technical College
Lawrenceville, GA
2016

Six Sigma Green Belt -

AT&T University
Atlanta, GA
2010

CCNA -

St. Louis Community College
St Louis, MO
2009

Skills

  • CCNA #CSCO11628469
  • Linux/Solaris Administration
  • Firewall/Security Appliances (firewalls, proxies, IDS/IPS, WAF)
  • Telecom Industry Experience (Wireline, Wireless, VOIP)
  • E911 Location Based Services (Provisioning and Maintenance)
  • SS7 (Equipment, nodes, signaling and messaging)
  • Project Management/Facilitation
  • MTA 98-349 (Microsoft Certified)
  • Service Delivery/Assurance
  • Network Translations
  • Training Delivery & MOP creation
  • Cloud computing concepts
  • Legacy networks: ISDN (PRI/BRI), Frame Relay, Accu-Ring (SONET), ATM, DSL
  • LTE Infrastructure: GMPC, ESMLC, P-LRF, E-CSCF, I-SBC, DRA, MME, MGW, IMS CORE, USP
  • IP Networking (Routers, Multilayer Switches, F5 Load Balancers, Network Protocols, Address Schemes)
  • Networking: TCP/IP, VLANs, DHCP, VOIP, and DNS
  • Platforms: UNIX (Solaris), Linux, Microsoft Windows 7/8/10, Microsoft Edge, VMware, MySQL (basic knowledge)
  • Technologies: PSTN (4ESS, 5ESS, DMS250), Cellular (GSM (2G), UMTS (3G), VoLTE (4G))
  • Scripting Tools and Languages: Linux (intermediate) and Python (beginner)
  • Network Monitoring Tools: Netcool, Splunk, Wireshark, GeoProbe, IrisView, Nagios, AlgoSec
  • Signaling Protocols: ISUP SS7, ISDN PRI/BRI, MF/DTMF, DIAMETER
  • Vendor-led firewall training: Palo Alto, Cisco ASA (IGEM), and Juniper

Additional Information

  • Professional work references are available upon request.

Timeline

B.S. Cybersecurity - Cybersecurity

Champlain College

A.A.S. Cybersecurity - Cybersecurity

Gwinnett Technical College

A.A.S. Networking Specialist - Computer Networking And Telecommunications

Gwinnett Technical College

Six Sigma Green Belt -

AT&T University

CCNA -

St. Louis Community College

Senior-Technology Security

(TSO Firewall Fault Management Team)
1995 - Current

Senior-Network Support

(MTRC E911 Tier II Systems Operations Support)

Network Operations Manager

(AT&T Mobility E911/National Voice MTRC)

Network Control Engineer

(AT&T Mobility E911/National Voice MTRC)

Communications Technician

(Service Assurance/ABS Customer Service)

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