AT&T · 9 hours ago
Principal Network Engineer
Plano, TX
Full-time
Onsite
Senior Level, Lead/Staff
3+ years expAT&T is a leading telecommunications company that empowers leaders to drive change in a connected world. The Principal Network Engineer will drive the research, development, and implementation of innovative technologies, providing technical leadership and mentoring while tackling complex projects to enhance network efficiency and customer service quality.
CollaborationCommunications InfrastructureMobileService IndustryTelecommunicationsWireless
Hiring Manager
Swapna Parusha, MBA, CIR, CDR
Responsibilities
Contribute to the advancement of next-generation technologies and platforms, primarily impacting internal AT&T initiatives
Analyze, design, and implement solutions for projects of high complexity, requiring in-depth evaluation of intangible factors
Provide technical leadership, mentorship, and act as a subject matter expert within the organization
Drive efficiency improvements, cost savings, and innovation across the network
Lead or contribute to resolving major issues in both legacy and evolving architectures (including virtual network functions and white box technologies)
Deep understanding of IP, MPLS, SR and Traffic Engineering (TE) technologies
Apply statistical and analytical skills to dissect complex Service Provider issues
Innovate with legacy and emerging architectures, including virtualized and white box environments
Qualification
Required
Bachelor's or Master's in Computer Science, Engineering, or a related field
3+ years of experience in the following areas (not exhaustive):
IP Routing Protocols: MPLS, Segment-routing, BGP, OSPF, ISIS, RSVP, Multicast, VLAN, L2/L3 VPNs, EVPN, SNMP, Telemetry
Networking Technologies: TCP/UDP, VxLAN, NAT, DNS, QoS, BGP FlowSpec, Network Security, Netflow, and more
Virtualization: VNFs, KVM, VMware, OpenStack, Docker, Kubernetes
Multivendor Platforms: Cisco (IOS, IOS-XR, CRS, ASR 9K), Juniper (MX, SRX), Arista 7K, UFI, DriveNets NOS
DevOps: Experience supporting the lifecycle, design, and planning for technology innovation and network operations
Network Design: LAN/WAN, cloud networks, telecom and security architectures, SDN design, Excellent network troubleshooting skills, Data analysis skills
Preferred
Platform and cloud vendor certifications are a plus
Scripting/automation: Python, Shell, C, Java
Test equipment: IXIA, Spirent, and similar tools
DevOps tools: Ansible, Jenkins, Git, Jira
Company
AT&T
AT&T is a telecommunications company that provides wireless communications, internet and digital television services.
10001+ employees
H1B Sponsorship
AT&T has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (575)
2024 (586)
2023 (282)
2022 (450)
2021 (271)
2020 (162)
Funding
Current Stage
Public CompanyTotal Funding
$5.04BKey Investors
National Telecommunications and Information Administration
2025-09-19Post Ipo Debt· $5B
2024-02-12Grant· $42.3M
2023-01-19Grant· $2.2M
Leadership Team
Jeremy Legg
Chief Technology Officer
Pascal Desroches
Senior Executive Vice President and Chief Financial Officer
Recent News
2026-01-22
legacy.thefly.com
2026-01-22
Company data provided by crunchbase