Job Board
LogoLogo

Get Jobs Tailored to Your Resume

Filtr uses AI to scan 1000+ jobs and finds postings that perfectly matches your resume

Lumen Technologies Logo

Senior Lead Infrastructure Engineer

Lumen Technologies

$129,639 - $190,137
Sep 5, 2025
New York, NY, USA
Apply Now

Lumen is looking to hire a Network Engineer to design, implement, and manage Domain Name System (DNS) solutions to ensure optimal performance, reliability, and availability of their network infrastructure within a hybrid cloud environment. This role aims to address complex networking challenges while maintaining high availability and security standards.

Requirements

  • Domain Name System: Expert understanding of network DNS technologies such as domain/zone structure, authoritative and recursive servers, and caching.
  • Networking Principles: Advanced understanding of TCP/IP networking principles, protocols such as DNS & HTTP/HTTPS, and cloud network architecture best practices.
  • Cloud Networking: Understanding of cloud networking technologies, including virtual networks, subnets, security groups, and VPNs in cloud environments such as AWS, Azure, or Google Cloud.
  • DNS Security: Familiarity with DNS security technologies such as DNSSEC, RPZ, TSIG.
  • Automation: Proficiency in network automation tools and scripting languages (e.g., Python, Ansible, Terraform) to enhance operational efficiency.
  • Experience with cloud-based DNS services (e.g., AWS Route 53, Azure DNS, Cloudflare).
  • Experience with DNS server software (e.g., BIND, Unbound, Microsoft DNS, Infoblox).

Responsibilities

  • Develop and maintain DNS architecture and standards for hybrid and multi-cloud environments, ensuring seamless integration with on-premises systems.
  • Design, implement, and maintain enterprise DNS infrastructure and services, ensuring optimal performance, resiliency, scalability, and security.
  • Understand integration requirements for security initiatives, including firewall configurations, VPN implementations, and Web Application Firewalls.
  • Monitor and optimize network performance through advanced diagnostic tools, implementing necessary adjustments for enhanced efficiency.
  • 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.
  • Utilize automation tools and scripting to improve efficiency for network deployments and operations.

Other

  • This is a work from home position within the US.
  • Demonstrated ability to lead technical teams and mentor junior engineers while maintaining strong cross-functional relationships.
  • Collaborate with technology vendors and stakeholders to implement business-focused networking solutions.
  • Bachelors degree or equivalent education and experience with typically 8+ years Enterprise level support and design.
  • 3+ years of experience managing DNS infrastructure in enterprise environments.