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Principal Adv Network Tech Support

AT&T

Richardson, Texas

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JOB DETAILS
SKILLS
Agile Programming Methodologies, Analysis Skills, Architectural Design, Authentication, Automation, BGP Routing Protocol, Best Practices, Broadband, Business Strategy, CCIE - Cisco Certified Internetwork Expert, CCNP - Cisco Certified Network Professional, CISM - Certified Information Security Manager, CISSP - Certified Information Systems Security Professional, Calendar Management, Capacity and Performance Management, Change Management, Cisco ASA (Adaptive Security Appliance), Cisco Network Systems, Cisco Nexus Switches, Cisco Switches, Cloud Computing, CompTIA Security+, Consulting, Continuous Deployment/Delivery, Continuous Improvement, Continuous Integration, Cross-Functional, Customer Relations, DNS (Domain Name System), Data Analysis, Defense Intelligence, Defense Intelligence Agency (DIA), Denial of Service (DoS), DevOps, Documentation, EIGRP (Enhanced IGRP), Emerging Technology, Employee Assistance Plan, Enterprise Architecture, Enterprise Protection, Equal Employment Opportunity (EEO), Establish Priorities, Ethernet, FISMA - Federal Information Security Management Act, Federal Government, Firewalls, GIAC - Global Information Assurance Certification, Genetics, Government, Hardware Virtualization, High Availability, IPsec (IP Security), Identify Issues, Insurance, Intelligence Community, Intrusion Detection Systems, Intrusion Prevention Systems, JNCIE - Juniper Networks Certified Internet Expert, JNCIP - Juniper Networks Certified Internet Professional, Juniper Networks Product Family, Leadership, Local Area Network (LAN), MPLS (Multi-Protocol Label Switching), Mentoring, Metrics, Network Access Control (NAC), Network Administration/Management, Network Architecture/Engineering, Network Connectivity, Network Design, Network Performance/Analysis, Network Routing, Network Security, Network Support, Network Switching, Open Shortest Path First Protocol (OSPF), People Management, Performance Analysis, Performance Metrics, Problem Solving Skills, Procedure Development, Process Improvement, Project Design, Project Lifecycle, Project Tracking, Project/Program Management, Public Key Infrastructure (PKI), Remote Access, Risk Management, Root Cause Analysis, Satellite Communications, Secret Clearance, Security Architecture, Security Clearance, Security Compliance, Security Information and Event Management (SIEM), State Laws and Regulations, Supplier Relationship Management (SRM), Switching Architecture, TCP (Transmission Control Protocol), Team Lead/Manager, Technical Leadership, Technical Support, Test Plan/Schedule, Trend Analysis, U.S. National Institute of Standards and Technology (NIST), United States Department of Defense (DoD), VMWare, VPN (Virtual Private Network), Vendor/Supplier Relations, Virtualization, Wide Area Network (WAN), Wireless Communications, Wireless LAN, Wireless Security
LOCATION
Richardson, Texas
POSTED
4 days ago
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.

Overall Purpose: Technical Expertise and Support:

Serve as a lead technical expert and Subject Matter Expert (SME) within the Service Assurance Tier 3 (GT3) team.

Provide specialized support for D2 technologies, including SD-WAN solutions such as Silver Peak SDWAN, VMware/Broadcom/Arista SD-WAN and Cisco SD-WAN, along with virtualized platforms like Flexware and Universal CPE.

Act as a recognized routing and connectivity SME across all supported service lines, frequently consulted by peers for technical advice and problem resolution.

The position exercises judgment by effectively managing a high volume of complex and critical customer network outages, requiring swift and accurate decision-making to triage and isolate issues. The candidate applies advanced critical thinking skills to analyze problems deeply and prioritize actions that minimize service impact. Additionally, judgment is demonstrated in tailoring communication—translating technical findings into clear, appropriate messages for diverse audiences, including both internal engineers and customers with varying technical expertise—ensuring understanding and maintaining professionalism throughout critical situations.

Training and Mentorship:

Serve as a mentor for GT3 peers, other Service Assurance teams, and provide guidance to LCM/LE resources.

Develop and deliver training materials and documentation for GCSC and GT3 teams, capturing best practices in troubleshooting and sharing lessons learned.

Act as a key resource for managing complex, long-duration issues and technical escalations, supporting both peers within the GT3 organization and management.

Manage projects from initiation to completion by planning scope, schedule, and resources. Lead cross-functional teams, monitor progress, mitigate risks, and communicate updates to stakeholders. Ensure quality, manage changes, and drive continuous improvement throughout the project lifecycle.

Required Technical Expertise (Expert Level)

The ideal candidate will possess expert-level experience in enterprise networking, SD-WAN technologies, network security, and advanced troubleshooting within large-scale, mission-critical environments.

Core Technical Competencies

  • Advanced knowledge of enterprise routing, switching, and network architecture design
  • Expert-level troubleshooting and root cause analysis across complex WAN, LAN, Wireless, Security, Cloud, and SD-WAN environments
  • Extensive experience with: Cisco Routing and Switching Platforms Cisco Nexus Data Center Switching Cisco Wireless Infrastructure Cisco ASA Firewalls Juniper Networks Routing and Switching Solutions Riverbed WAN Optimization Technologies Aruba EdgeConnect (Silver Peak) SD-WAN VMware VeloCloud SD-WAN

Network Technologies & Protocols

  • Routing Protocols: BGP OSPF EIGRP
  • IPSec VPN design, implementation, and troubleshooting
  • LAN/WAN connectivity and optimization
  • Network segmentation, redundancy, and high-availability architectures
  • Performance monitoring, capacity planning, and proactive network optimization

Security Solutions & Technologies

  • Deep understanding of enterprise security architectures and best practices
  • Experience implementing and supporting: Next-Generation Firewalls (NGFW) Zero Trust Network Architectures Secure Access Service Edge (SASE) Network Access Control (NAC) IDS/IPS Solutions DNS Security DDoS Protection Multi-Factor Authentication (MFA) Public Key Infrastructure (PKI) Secure Remote Access Technologies Cloud Security Controls Security Information and Event Management (SIEM) platforms
  • Hands-on experience with: Cisco ASA and Firepower Palo Alto Networks Firewalls Cisco ISE Fortinet Solutions (preferred) Zscaler, Prisma Access, or similar SASE platforms (preferred)
  • Experience supporting compliance and security frameworks including: NIST CIS Controls FedRAMP FISMA DoD Security Requirements

Transport & Connectivity Expertise

Strong understanding of WAN transport technologies including:

  • MPLS
  • Dedicated Internet Access (DIA)
  • Broadband
  • Ethernet
  • Fiber
  • LTE/5G Wireless
  • Satellite Communications
  • Private and Hybrid Network Solutions

Preferred Certifications

One or more advanced certifications strongly preferred:

Networking Certifications

  • Cisco Certified Internetwork Expert (CCIE) Enterprise Infrastructure
  • Cisco Certified Network Professional (CCNP) Enterprise
  • Cisco Certified Specialist – SD-WAN
  • Juniper Networks Certified Professional/Expert (JNCIP/JNCIE)
  • VMware SD-WAN (VeloCloud) Certification
  • Aruba EdgeConnect SD-WAN Certification

Security Certifications

  • Certified Information Systems Security Professional (CISSP)
  • Certified Information Security Manager (CISM)
  • Cisco Certified CyberOps Professional
  • Palo Alto Networks Certified Network Security Engineer (PCNSE)
  • GIAC Security Certifications (preferred)
  • CompTIA Security+ (minimum baseline preferred)

Security Clearance Requirements

  • Must be eligible to obtain and maintain a U.S. Government security clearance.
  • Active Secret Clearance preferred.
  • Active Top Secret (TS) or Top Secret/Sensitive Compartmented Information (TS/SCI) clearance highly desirable.
  • Experience supporting Federal Government, Defense, Intelligence Community, or highly regulated environments is strongly preferred.

Additional Qualifications

  • Demonstrated ability to lead complex network incidents, escalations, and service restoration efforts.
  • Experience supporting geographically dispersed enterprise and government environments.
  • Strong analytical, documentation, communication, and customer-facing skills.
  • Proven ability to serve as a technical leader and mentor for network engineering and operations teams.
  • Integration and Support of New Technologies: Integrate and support new technology platforms into network environments, including developing, testing, training, and creating methods and procedures for new technology introduction.
  • Collaboration with CTO Partners: Collaborate with Partners, including working in Agile/DevOps environments and reviewing and signing off on CTO designs.
  • Utilization of Advanced Techniques: Utilize advanced networking techniques such as software-defined networking, virtualization, containerization, CI/CD pipelines for automation, custom tool creation, and advanced data analytics.
  • Troubleshooting and Problem Management: Resolving complex network issues, including providing technical leadership, resolving critical outages, leading root cause analysis, and driving problem management initiatives.
  • Development of Tools and Metrics: Develop tools and metrics for network operations, including creating custom tools, network performance metrics, and network automation.


    Job Contribution: An expert in their field, applying broad business knowledge and strategic insight surrounding emerging trends and technologies to solve complex problems and drive organizational results. Leads critical, high-impact projects and designs/implements innovative business strategies. Works with minimal oversight, frequently consulting senior leadership and influencing executive decisions. Serves as a mentor and assists others with challenging issues. Supervisor: No

    TCP Career Step Differentiator: Guiding cross-functional teams in technology insertion and root cause analysis, managing vendor relationships, and ensuring network health through advanced analytics, while leading across multiple technologies.

    Education/Experience: Bachelor’s degree (BS/BA) desired. 7+ years of related experience. Certification is required in some areas.
Our Principal Adv Network Tech Support jobs earn between $143,800.00 - $215,800.00 USD Annual. 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

Weekly Hours:

40

Time Type:

Regular

Location:

Richardson, Texas

Salary Range:

$143,800.00 - $215,800.00

It 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.

About the Company

A

AT&T

AT&T is bringing it all together - helping people mobilize their worlds - with advanced mobile services, next-generation TV and high-speed Internet services, and smart solutions for businesses.

For more than a century, we have consistently provided innovative, reliable, high-quality products and services. Our mission is to connect people with their world, everywhere they live and work, and do it better than anyone else. We're creating new solutions for consumers and businesses to help them mobilize their communications and entertainment.

AT&T has more than 120 million wireless customers who have the nation's strongest LTE signal* and the nation's most reliable 4G LTE network** at their fingertips. Our voice and data network covers more than 99 percent of all Americans, so our customers can stay connected from virtually anywhere - whether they're driving home from work, or driving across the country.

Even if our customers decide to travel abroad, we have them covered. AT&T has the best worldwide coverage of any U.S. carrier, with voice services in more than 225 countries and territories, data roaming in more than 210 countries and territories, and 3G in more than 170 countries and territories. We also plan to expand into Latin America with our acquisition of Iusacell - Mexico's leading wireless company.
COMPANY SIZE
10,000 employees or more
INDUSTRY
Telecommunications Services
FOUNDED
1876
WEBSITE
http://www.att.com/