Senior Lead Network Infrastructure Architect (Remote)

Lumen

Denver (CO)

Remote

USD 139,000 - 185,000

Full time

4 days ago

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Job summary

Lumen is the trusted network for the AI‑powered world, connecting people, data, and applications through our expansive fiber network. We are seeking a senior network engineer to provide expert technical direction across enterprise networks, including LAN/WAN/WLAN, cloud networking, and security.

You will mentor juniors, design scalable architectures, and lead initiatives to ensure high availability and resilience in a remote US role.

Qualifications

Demonstrated expertise in implementing and managing enterprise‑level services including advanced routing protocols (BGP, OSPF, EIGRP).
Proven experience in designing and maintaining SD‑WAN environments with Cisco and Palo Alto Networks.
Comprehensive knowledge of network hardware configuration and maintenance (Cisco/Arista/Juniper).
Advanced understanding of TCP/IP, OSI model, and enterprise network architecture best practices.
Experience with cloud networking (AWS/Azure/Google Cloud) and hybrid/multi‑cloud designs.
Proficiency in network automation tools and scripting (Python, Ansible).
Leadership to guide technical teams and mentor junior engineers.

Responsibilities

Design, implement, and maintain complex enterprise network infrastructures (LAN/WAN/WLAN) with security focus.
Drive network integration for security initiatives (firewall, VPN, IDS/IPS).
Monitor and optimize network performance using advanced diagnostic tools and adjustments.
Design and manage cloud network architectures, including hybrid/multi‑cloud environments.
Provide high‑level technical guidance and resolve escalations while maintaining stability.
Develop and maintain network documentation, diagrams, and SOPs.
Collaborate with vendors and stakeholders to implement business‑focused networking solutions.
Mentor junior engineers and foster knowledge sharing.
Plan capacity improvements, disaster recovery, and testing to ensure business continuity.
Utilize automation for deployments and operations to improve efficiency.