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Sr Lead Network Engineer - Dallas, TX

AT&T
UKRemotefull_timeVerifiedPosted 14 Aug 2026

About the role

About Forged Fiber  

At Forged Fiber, our mission is bold but simple: deliver fast, reliable, future-proof connectivity that builds the foundation for everything online. As we execute, we believe the right way to do something is the only way. This foundation guides how the company builds, operates, and maintains a state-of-the-art open-access fiber network platform that empowers millions. 

Forged Fiber is about more than building a network. It is about people. Every role matters. Every contribution counts. Together, employees create impact through teamwork, trust, and a shared commitment to excellence. 

The Role

The Senior Lead Network Engineer is an experienced technical leader responsible for ensuring the reliability, scalability, security, and operational excellence of enterprise network infrastructure and critical network services. This role is primarily focused on Network Application Support and Tier 4 Operations, serving as the highest escalation point for complex issues impacting authentication, logging, monitoring, name resolution, time synchronization, and IP address management services.

The Main Responsibilities

Network Application Support

·       Lead operational support of TACACS+, RADIUS, Splunk, NTP, DNS, and DHCP platforms.

·       Ensure high availability, scalability, and resiliency of network services.

·       Manage upgrades, patching, configuration validation, and capacity planning.

·       Troubleshoot complex authentication, logging, monitoring, and IPAM service issues.

Tier 4 Operational Support

·       Serve as the Tier 4 escalation point for high-impact incidents.

·       Lead root cause analysis efforts and implement corrective actions.

·       Act as technical authority during major incidents.

Architecture, Engineering, and Technology Support Collaboration

·       Partner with architecture and engineering teams on operational readiness and supportability.

·       Evaluate emerging technologies and influence design decisions.

Process Improvement and Leadership

·       Mentor engineers and drive automation and monitoring improvements.

Project Management

·       Manage network and infrastructure projects and support strategic roadmaps.

What We Look for in a Candidate

Core Competencies

·       Expert knowledge of TACACS+, RADIUS, DNS, DHCP, NTP, and related technologies.

·       Extensive experience supporting Splunk infrastructure.

·       Proven Tier 4 operations experience.

·       Advanced troubleshooting and RCA capabilities.

Education

Bachelor's degree in Engineering, Information Systems, Computer Science, or related field desired.

Experience

Required: 7+ years in network engineering, architecture, infrastructure engineering, or network services support roles.

Preferred Experience

·       Cisco ISE

·       Juniper Steel-Belted RADIUS

·       Portnox

·       Syslog applications

·       Splunk

Compensation 

This information reflects the anticipated base sal

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Company

AT&T

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