Sr Lead Infrastructure Engineer

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.

Provide expert technical direction across multiple and complex systems, including planning,designing, implementing, and maintaining enterprise-level network infrastructure. This role combines advanced networking expertise with collaboration and leadership to ensure optimal network performance, security, and scalability across the organization. The position requires working with cross-functional teams, mentoring junior engineers, and developing innovative solutions for complex networking challenges while maintaining high availability and security standards.

This role is designated as a fully remote position within the United States.

This role is designated as a fully remote position within the United States.

• Design, implement, and maintain complex enterprise network infrastructures, including LAN, WAN, WLAN, and cloud-based systems, ensuring optimal performance and security.

• Understand and drive network integration requirements for security initiatives, including firewall configurations, VPN implementations, and intrusion detection/prevention systems.

• Monitor and optimize network performance through advanced diagnostic tools, implementing necessary adjustments for enhanced efficiency.

• Design, implement, and manage cloud network architectures, including hybrid and multi-cloud environments, ensuring seamless integration with on-premises systems.

• Provide high-level technical guidance and resolve escalated issues from lower support tiers while maintaining system stability.

• Develop and maintain comprehensive network documentation, including detailed network diagrams, design references, and standard operating procedures.

• Collaborate with technology vendors and stakeholders to implement business-focused networking solutions.

• Mentor and provide technical leadership to junior network engineers while fostering a culture of knowledge sharing.

• Plan and execute network capacity improvements, failure testing, and disaster recovery strategies to ensure business continuity.

• Utilize automation tools and scripts to streamline and improve efficiency for network deployments and operations.

• Networking Technologies:
  Demonstrated expertise in implementing and managing enterprise-level services including advanced routing protocols (BGP, OSPF, EIGRP), virtual routing (VRFs), and network segmentation.

• SD-WAN:
  Proven experience in designing and maintaining SD-WAN environments utilizing technologies such as Cisco and Palo Alto Networks.

• Hardware Knowledge:
  Comprehensive knowledge of network hardware configuration and maintenance, including platforms such as Cisco, Arista, or Juniper.

• Networking Principles:
  Advanced understanding of TCP/IP networking principles, OSI model, and enterprise network architecture best practices.

• Cloud Networking:
  Expertise in cloud networking technologies and services, such as AWS, Azure, or Google Cloud, with experience in designing and managing…