Lead Network Engineer Posted

Lumen is the trusted network for the AI‐powered world, connecting people, data, and applications through our expansive fiber network and connected ecosystem. We enable secure, high‐performance connectivity across cloud, edge, and AI workloads for enterprises, governments, and communities.

At Lumen, you’ll work on infrastructure customers rely on today and build for what’s next, where performance, security, and resilience matter.

This is a high accountability environment where bold ideas drive real innovation for our customers, partners, and industry. The work is challenging, expectations are clear, and trust is built into how we operate. If you’re ready to take ownership, deliver meaningful impact, and help shape the future of AI‐ready connectivity, join us today.##
** The Role
** This role establishes and advances comprehensive validation frameworks that provide measurable confidence in solution readiness, scalability, resilience, and operational performance. By leveraging data-driven insights, the Lead Network Engineer delivers strategic recommendations that influence technology roadmaps, product qualification decisions, and organizational priorities. In addition, this leader champions the transformation of testing capabilities through scalable automation, fostering continuous improvement across functional, performance, interoperability, and regression testing disciplines.

The Lead Network Engineer plays a critical role in ensuring network solutions consistently achieve the highest standards of quality, reliability, operational excellence, and business value while supporting the organization's long-term growth and transformation objectives.##
** Location
* * This position is out of the office 5325 Zuni ST, Denver, CO##
** The Main Responsibilities
*** Maniacal focus on a customer obsessed culture with every team member being comfortable being uncomfortable as bold innovations position Lumen for continue industry-firsts
* Be customer obsessed and be vulnerable – be willing to learn from employees and customers to operationalize innovative technologies that deliver the best-connected experience.
* Demonstrated high command for the skills and technology related to Core & Access equipment (OSI model, IP, Routing, Switching, Security, ITU standards, RFCs, etc.)
* Subject Matter Expert level experience with Ethernet, IP Routing, MPLS, BGP, IS-IS, LLDP, Layer 2/3 services, Ethernet Transport, Dark/Grey Fiber.
* Strong testing experience and understanding of Fiber modes & Optical Test methodologies (SMF/MMF/DWDM/CWDM/Dark Fiber/Grey Fiber/SFP/QSFP)
* Experience with API testing, network automation, server deployment, Linux administration, and scripting using Python, Power Shell, and Bash.
* Experience using Spirent, Keysight, Calient, and other carrier-grade network test platforms.
* Able to design & Implement test cases and build test plans
* History of troubleshooting defects to identify a root cause
* Clear and concise communicator, written and verbal
* Understanding of testing methodologies such as Waterfall, Agile, and Dev Ops
* Atlassian Jira experience##
** What We Look For in a Candidate
*** BS in Electrical/Computer Engineering, Computer Science,Telecommunications, or related field required or equivalent work experience
* MS in same fields preferred or equivalent work experience
* 5-8 years of experience in Computer Networking, 5-8 years of experience in Testing/Troubleshooting
* Extensive experience with Metro Ethernet Networking, IP Routing and Switching, MPLS, 100G/400G optics, DWDM/CWDM
* Experience validating solutions across Cisco, Ciena, Adtran, ADVA, Nokia, Juniper, Axon, and other networking platforms.
* Strong working knowledge of Metro Ethernet architectures including Rings, Aggregators,…