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Principal Engineer I - DNS Architect
Greenwood Village, CO  |  Hybrid
Contract Position
It appears that you have already applied to this job.
Applied on July 2, 2022
Job Id #56845 Posted June 10, 2022

Job Description:
Responsible for enterprise operations of subscriber-facing and infrastructure-facing domain name system (DNS) platforms as an integral part of the company's customer premises equipment (CPE) activation, provisioning, and operations platforms portfolio. Works with technical operations staff on DNS system design and configuration. Works with design teams and advises team leaders.

Provide guidance and support in the development of projects at all system layers, including data sourcing and consumption, back-office and user application systems. Responsible for analysis related to business and corporate process, design, development and implementation of information technology systems, as well as consulting with project owners to resolve issues regarding operations, implementations, and system status. Research and recommend strategies for department direction on customer- and agent-facing systems, technical interfaces, and automated system solutions. Provide technical expertise on complex projects and research new technology for use by department. 5- 10 years of experience.

  • Actively and consistently support all efforts to simplify and enhance the customer experience.
  • Designs, implements, monitors, enhances, and troubleshoots DNS activities within recursive DNS, infrastructure DNS, authoritative DNS, and encrypted DNS and their associated applications and operating sytems. 
  • Analyzes and revises existing system logic difficulties and documentation as necessary.
  • Validate and advises on DNS platform architecture and designs.
  • Mentors and guides the work of technical staff.
  • Reviews work plans and designs and advises on improvements.
  •  Adheres to industry specific local, state, and federal regulations, as applicable.
  •  Knows, understands and follows company policy.
  •  Performs other duties as requested by manager.

Skills/Abilities and Knowledge 
  • Strong knowledge and demonstrated proficiency on all aspects of DNS operations
  • Ability to maintain and administer UNIX-based platforms, including performance tuning, package installation, patch management, network and server management tasks
  • Expert knowledge of troubleshooting tools (i.e tcpdump, netstat, iostat, traceroute, snoop)
  • Expert experience with System monitoring applications (SNMP, Nagios, Solarwinds, HP OpenView, etc).
  • Expert understanding of LAN/WAN topology, network protocols (TCP/IP, FTP, NFS), switches and firewalls
  • Advanced knowledge in network design, network architecture, protocols and network topology
  • Advanced knowledge in TCP/IP and the OSI Model
  • Advanced knowledge in using ticketing and software tools to support the current operations.
  • Advanced knowledge of network devices and basic network appliances
  • Advanced knowledge of network designing software, such as Visio and LucidChart
  • Ability to perform duties in a fast-paced environment and ability to learn new technology quickly
  • Ability to use personal computer and software applications
  • Ability to read, write and speak the English language to communicate with employees, customers, suppliers, in person, on the phone, and by written communications in a clear, straight-forward, and professional manner
  • Key Platforms / Systems / Disciplines
  • Modern BIND versions 
  • HP Hardware (DL380, DL580)
  • Modern RHEL / CentOS versions
  • MySQL, Python, PHP, LAMP, BASH
  • Host automation platforms (Ansible, Chef, Puppet, etc)
  • Education
  • Masters or Bachelor's Degree in Engineering or related field or related work experience

Related Work Experience    
  • 5-10 years of Engineering work experience
  • 5-10 years of Project management work experience

  • Skills /Abilities and Knowledge 
  • Knowledge of company products and services
  • Experience activating/maintaining CPE per the DOCSIS, PacketCable, and SNMP specifications
  • Experience with configuration of CPE using the TR-069 and related specifications
  • Experience with the DHCP and TFTP protocols
  • RHEL Certified Systems Administrator - RHCSA
  • Industry and vendor specific certifications and training preferred (Cisco, RHEL, MySQL, etc.)

Horizontal is proud to be an Equal Opportunity and Affirmative Action Employer. We seek to provide employment opportunities to talented, qualified candidates regardless of race, color, sex/gender including gender identity and/or expression, national origin, religion, sexual orientation, disability, marital status, citizen status, veteran status, or any other protected classification under federal, state or local law.

In addition, Horizontal will provide reasonable accommodations for qualified individuals with disabilities. If you need to request a reasonable accommodation in order to complete the application or interview process, please contact

All applicants applying must be legally authorized to work in the country of employment.


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You are considered to have a disability if you have a physical or mental impairment or medical condition that substantially limits a major life activity, or if you have a history or record of such an impairment or medical condition.

Horizontal is proud to be an Equal Employment Opportunity/Affirmative Action Employer providing a drug-free workplace.


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