Systems Engineer III

About the role

This position is located in Denver, Colorado.

Responsibilities

• Own and manage lab DNS/DHCP/IPAM (DDI) services, including configuration, proactive monitoring, and high-tier troubleshooting
• Arcitect and implement automated DNS workflows using Terraform, Ansible, or Python to support ephemeral lab deployments and CI/CD pipelines
• Manage IP address space allocation (IPAM) across disparate lab segments to prevent overlaps and ensure accurate resource tracking
• Integrate DNS resolution across hybrid-cloud environments, ensuring seamless connectivity between on-premises hardware and public cloud instances
• Support network-level services such as PXE boot, DHCP Relay, and SRV record management for specialized lab equipment and application testing
• Configure and maintain DNS security features, including DNSSEC and Response Policy Zones (RPZ), to support security research and hardened test environments
• Perform deep-packet analysis using tools like Wireshark or tcpdump to resolve complex resolution issues within non-standard network topologies
• Lead DNS-related infrastructure projects, from initial capacity planning to the decommissioning of legacy lab systems
• Collaborate with cross-functional teams to provide customized DNS solutions for high-performance computing and low-latency application testing
• Drive the adoption of infrastructure-as-code (IaC) best practices to ensure repeatable and version-controlled DNS configurations
• Provide technical guidance and mentorship to junior engineers regarding DNS protocols and systems administration

Requirements

• 4+ years of hands-on experience managing and maintaining enterprise or lab-grade DNS environments
• Strong mastery of DNS architecture, recursive versus authoritative resolution, and protocol-level operations
• Experience with DDI platforms such as Infoblox, BlueCat, or BIND/ISC DHCP
• Proficiency in Linux/Unix systems administration and shell scripting for task automation
• Familiarity with virtualization and container platforms (VMware, OpenStack, Kubernetes) and their specific DNS requirements
• Proven ability to manage complex projects in a fast-paced, experimental environment
• Strong collaboration skills with the ability to translate research needs into technical system requirements
• Excellent problem-solving skills, with a focus on root-cause analysis in multi-vendor environments

Qualifications

• Medical, Dental, & Vision Insurance Plans
• Employee-Owned Profit Sharing (ESOP)
• 401K offered