Lead Member of Technical Staff

Job Description:

This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered.

Join AT&T and reimagine the communications and technologies that connect the world. Our Consumer Technology experience team is delivering innovative and reliable technology solutions to power differentiated, simplified customer experiences. Bring your bold ideas and fearless risk-taking to redefine connectivity and transform how the world shares stories and experiences that matter. When you step into a career with AT&T, you won’t just imagine the future-you’ll create it.

As a Lead Member of Technical Staff, you will be responsible for AT&T’s Domain 1.0 (D1) physical and 2.0 (D2) virtual VoIP/IMS/vUSP, Mobility Voicemail (MVM) and ESINet platforms, providing operational requirements, review, signoff, support and insertion of new IP Multimedia Systems (IMS) IMS and Cloud technologies, feature deployments, and changes to the network. Design equipment and software certification testing.

Key roles and responsibilities:

• Evaluate, manage, and develop mitigation solutions for new technology introduction risks

• Responsible for the development, testing, training and handoff of detailed methods and procedures for new technology introduction to partner implementation organizations, including GMOP certification, risk assessment, and break/fix support for IMS based network elements in support of services end-to-end

• Utilize Continuous Integration/Continuous Delivery (CI/CD) pipelines for automation development to enable rapid feature deployment

• Utilize playbooks and programming languages to create custom tools for network operations and address operational gaps

• Develop troubleshooting guides and provide coaching/development training for new technology and designs

• Gather and analyze relevant network element field data to validate the expected improvements and features of the field changes

• Troubleshoot and analyze IMS call flows and protocols including TCP/IP, SIP, SDP, Diameter, DNS and RTP; utilize tools such as Wireshark, IRIS, and Radcom to determine and document root cause of issues

• Key network support functions include, but not limited to, resolving critical outages, evaluating failure modes, and leading root cause analysis investigations

• Care for overall health of the network via the development of network performance metrics; advanced data analytics; and identification, tracking and resolution of chronic issues

• Requires 24x7 on call from escalating organizations

• Provides the technical troubleshooting and leadership skills required to recover from the most complex VoIP problems in real time, directing the activities of technical resources from Tier 2, Technology Operations, and the vendors to restore service

• Drive problem management initiatives to solve complex issues that span multiple organizations which may include problem recreation, identification of fixes, certification of fixes and/or design changes

• Responsible for all production equipment and software vendor management relationships ensuring objectives are met, including vendor performance feedback during contract negotiations

• Lead cross-functional teams in support of technology insertion and root cause analysis investigations and will be expected to be the technical subject matter expert on special projects

Required Experience:

• 5 + years of successful VoIP/IMS network engineering experience

• 5 + Experience with different Cloud environments, including but not limited to MSFT Azure and Amazon AWS

• Possess a broad range of in-depth 911 CPE and network technical expertise, ranging from legacy to the newer technologies and services

• Experienced with the use of a wide variety of testing systems and test equipment

• Fundamental knowledge of IP routing/switching protocols and authentication

• 5 + Experience troubleshooting issues utilizing Wireshark or other packet capture and analysis tools

• 5 + Experience with scripting languages and tools UNIX/LINUX/SHELL/PERL/EXPECT/Python and Ansible playbooks

• Available for On-Call Support 24x7

Required Education:

• PhD in an approved field with 4 years of relevant experience or Masters in an approved field with a minimum of 6 years of relevant experience or a Bachelors in an approved field with a minimum of 8 years of relevant expe