Principal Adv Network Tech Support
Plano, Texas
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.
AT&T will not hire any applicants for this position who require employer sponsorship now or in the future.
Join AT&T and help shape the future of communications and technology that connect the world. We value innovators who seek to explore the unknown and challenge the status quo. Bring your bold ideas and fearless spirit to redefine connectivity and transform how people share stories and experiences. At AT&T, you won’t just imagine the future—you’ll build it.
What you’ll do:
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.
Require 24x7 on call support 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.
Will 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.
What you’ll need:
As a Principal Adv Network Tech Support, you will be responsible for AT&T’s Domain 1.0 (D1) physical and 2.0 (D2) virtual of critical 911 Core and Cloud infrastructure resources, providing both proactive and reactive maintenance and control of 911 Core Network and Cloud Call Handling PSAP solutions. The P-ANTS will also be responsible for all ESINet solutions, including AT&T’s and 3rd party provider solutions. The position will provide operational requirements, review, signoff, support and insertion of new IMS and Cloud technologies, feature deployments, and changes to the network. Design equipment and software certification testing. Evaluate, manage, and develop mitigation solutions for new technology introduction of risks. Responsible for the development, testing, training and handoff of detailed methods and procedures for new technology introduction to partner organizations, including GMOP certification, risk assessment, and break/fix support for network elements, in support of end-to-end services. 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.
This position requires a high level of skill in identification and resolution of complex 911 products/services problems and a high level of knowledge of 911 VoIP technology, systems and services. The candidate possesses detailed knowledge of installing an E911 system using vendor and company documentation, and ability to provide remote and on-site assistance to operations personnel. Requires an understanding of Intrado, Motorola, Solacom, Carbyne, RapidDeploy 911 PSAP equipment. Experience with IMS network elements, both physical and virtual such as, but not limited to, Oracle SBC; Ribbon BGCF, MGCF/MGW, Signaling Gateway; MetaSwitch physical and virtual Perimeta SBC, MVM; Aculab Groomer GW, Comtech XSRs, LoST, DB, xALILocal. L2 and L3 network routing and firewall knowledge for troubleshooting complex issues in the network, impacting supported platforms. Knowledge of OpenStack, MS Azure, AWS and other Cloud platforms. Assist with assessment of technical issues found during First Field Application (FFA) certification; responsible for participating in the early feasibility, planning, and design phase.
What you’ll bring:
Required Experience and Skills:
7+ years’ experience of related experience
Certification is required in some areas
Experience with different Cloud environments, including but not limited to MSFT Azure and Amazon AWS
Experienced with the use of a wide variety of testing systems and test equipment
Proficiency in Network protocol analysis is desired
Expertise in 911 network operations is preferred
Expert level knowledge of IP routing/switching protocols and authentication.
+5 years of successful VoIP network engineering experience
Experience troubleshooting issues utilizing Wireshark or other packet capture and analysis tools.
Experience with scripting languages and tools UNIX/LINUX/SHELL/PERL/EXPECT/Python and Ansible playbooks
Ability to balance multiple priorities in a fast-paced, highly collaborative, frequently changing, and sometimes ambiguous environment
Excellent analytical, communication, and documentation skills with demonstrated ability to collaborate and influence across multiple teams
Strong, innovative team player, who works well under pressure and is able to apply critical and creative thinking to small and complex problems alike
Deep commitment to delivering exceptional customer experience as this is a customer facing position
Highly motivated and self-directed
Strong work ethic: ability to work independent of direct supervision
Must be available for On-Call Support
Desired Education:
Bachelor’s degree (BS/BA) is preferred
Environmental Requirements:
This position may be responsible for contributing to AT&T compliance with environmental laws and regulations as applicable to its job function. This may include, but is not limited to, work related to fuel tanks, emergency and stand-by generators, boilers, hazardous waste, hazardous materials, batteries, manholes and vaults, water wells, linear and other construction projects, water discharge, or air emissions.
Supervisor: No
Our Principal Adv Network Tech Support earns between $128,400 - $215,800 annually. Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography, experience, expertise, and education/training.
Joining our team comes with amazing perks and benefits:
Medical/Dental/Vision coverage
401(k) plan
Tuition reimbursement program
Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)
Paid Parental Leave
Paid Caregiver Leave
Additional sick leave beyond what state and local law require may be available but is unprotected
Adoption Reimbursement
Disability Benefits (short term and long term)
Life and Accidental Death Insurance
Supplemental benefit programs: critical illness/accident hospital indemnity/group legal
Employee Assistance Programs (EAP)
Extensive employee wellness programs
Employee discounts up to 50% off on eligible AT&T mobility plans and accessories,
AT&T internet (and fiber where available) and AT&T phone
Ready to join our team? Apply today
#LI-Onsite – Full-time office role
Weekly Hours:
40Time Type:
RegularLocation:
Atlanta, GeorgiaSalary Range:
$128,400.00 - $215,800.00It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.
Job ID R-79457-4 Date posted 08/25/2025
Benefits
Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.
- Paid Time Off
- Tuition Assistance
- Insurance Options
- Discounts
- Training & Development
Our hiring process
Apply Now
Confirm your qualifications align with the job requirements and submit your application.
Assessments
You may be required to complete one or more assessments, depending on the role.
Interview
Get ready to put your best foot forward! More than one interview may be necessary.
Conditional Job Offer
We’ll reach out to discuss a conditional job offer and the next steps to joining the team.
Background Check
Timing is important – complete the necessary actions to proceed with onboarding.
Welcome to the Team!
Congratulations! It’s time to experience #LifeAtATT.
Check your email (and SPAM) throughout the process for important messages and next steps.
Connect today
Didn’t find what you were looking for here? Sign up for our job alerts so we can connect and share the latest.