Principal Adv Network Tech Support

AT&T•Richardson, TX

5d•$143,800 - $215,800•Onsite

About The Position

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. 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.

Requirements

Expert-level experience in enterprise networking, SD-WAN technologies, network security, and advanced troubleshooting within large-scale, mission-critical environments.
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.
Expertise in Routing Protocols: BGP, OSPF, EIGRP.
Expertise in IPSec VPN design, implementation, and troubleshooting.
Expertise in LAN/WAN connectivity and optimization.
Expertise in network segmentation, redundancy, and high-availability architectures.
Expertise in performance monitoring, capacity planning, and proactive network optimization.
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.
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.
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.
Bachelor’s degree (BS/BA) desired.
7+ years of related experience.
Certification is required in some areas.

Nice To Haves

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.
Fortinet Solutions
Zscaler, Prisma Access, or similar SASE platforms
GIAC Security Certifications (preferred)
CompTIA Security+ (minimum baseline preferred)

Responsibilities

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.
Effectively manage a high volume of complex and critical customer network outages, requiring swift and accurate decision-making to triage and isolate issues.
Apply advanced critical thinking skills to analyze problems deeply and prioritize actions that minimize service impact.
Tailor 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.
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.
Integrate and support new technology platforms into network environments, including developing, testing, training, and creating methods and procedures for new technology introduction.
Collaborate with Partners, including working in Agile/DevOps environments and reviewing and signing off on CTO designs.
Utilize advanced networking techniques such as software-defined networking, virtualization, containerization, CI/CD pipelines for automation, custom tool creation, and advanced data analytics.
Resolve complex network issues, including providing technical leadership, resolving critical outages, leading root cause analysis, and driving problem management initiatives.
Develop tools and metrics for network operations, including creating custom tools, network performance metrics, and network automation.

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