Lead IT Infrastructure Engineer

Lumen Technologies connects the world by igniting business growth through secure and efficient connections. The Lead IT Infrastructure Engineer will provide expert technical direction for enterprise-level network infrastructure while mentoring junior engineers and collaborating with cross-functional teams to ensure optimal network performance and security.

Responsibilities:

• Implement and maintain enterprise network infrastructures, including LAN, WAN, and WLAN ensuring optimal performance and security
• Understand, configure, and troubleshoot Data Center environments using Cisco ACI and NXOS platforms
• Monitor and optimize network performance through advanced diagnostic tools (protocol analyzer, NetBrain, statistical analysis, etc), implementing necessary adjustments for enhanced efficiency
• 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 and fostering a culture of knowledge sharing
• 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
• Utilize automation tools and scripts to streamline and improve efficiency for network deployments and operations

Requirements:

• Bachelor's degree or equivalent education and experience with typically 5+ years Enterprise level support and design experience
• Proven experience in designing and maintaining ACI and NXOS environments
• Demonstrated expertise in implementing and managing enterprise-level services including advanced routing protocols (BGP and OSPF), virtual routing (VRFs), and network segmentation
• Comprehensive knowledge of network hardware configuration and maintenance, including platforms such as Cisco, Arista, or Juniper
• Advanced understanding of TCP/IP networking principles, OSI model, and enterprise network architecture best practices
• Experience in cloud networking technologies and services, such as AWS, Azure, or Google Cloud, with experience in designing and managing hybrid and multi-cloud environments
• Proficiency in network automation tools and scripting languages (e.g., Python, Ansible, JSON) to enhance operational efficiency
• Familiar with enterprise network security systems, including next-generation firewalls, IDS/IPS, and DDoS mitigation strategies for at least 3 years
• Understanding of network traffic load-balancing technologies, such as local traffic management and global server load-balancing
• Must be a US Citizen or Permanent Resident/Green Card for consideration for this position