Telephone Ops Engineer III

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Full Time Greenwood Village, Colorado Posted 07/31/2025 Anticipated Close Date: 2025-08-07 10:00 PM (UTC) Business unit: Network Technology Services Areas of interest: Information Technology, Network Operations, Telecom Engineering Requisition Number: 2025-58359 ETC370

Are you ready to manage the Spectrum central office switches, taking responsibility for operations, administration, maintenance, and provisioning? As a Telephone Operations Engineer III, you will independently resolve the majority of telephony network trouble tickets, provide troubleshooting assistance to entry and mid-level switch engineers, and lead troubleshooting efforts during major outages for both Constant Bit Rate (CBR)/Time Division Multiplexed (TDM) and Voice Over IP soft switches.


How You’ll Make an Impact 

  • Conduct daily DNHC process and manage telephony equipment independently. 
  • Follow guidelines for daily telephone network checks and manage outage protocols.  Prepare RCA documentation for critical outages. 
  • Configure and troubleshoots SS7, ISUP, and SIP while coordinating with other engineers. Lead installation and augmentation of Trunk Groups based on Traffic and Capacity Team inputs. 
  • Create and guide the implementation of MOPS for telephony operations.  
  • Take a leadership role in troubleshooting major outages and coordinate efforts across functional areas. 
  • Understand telephony circuit architecture (OC12, OC3, DS3, DS1). 
  • Document switch and telephone network architecture, and assist others in the task. 
  • Develop documentation standards and guide their implementation. 
  • Demonstrate expertise in IP knowledge and troubleshooting, including L2, L3, TCP, UDP and CCNA. 
  • Support, evaluate, and plan for core telephony equipment upgrades and maintenance. 

Working Conditions: Office Environment  
May work in:
    • Network Lab environment, 24X7 Network Operations environment, Field Operations environment 
    • Occasional travel as required  
What You’ll Bring to Spectrum
Required Qualifications
  • Education: 
    • Bachelor’s degree in Engineering or related field or equivalent work experience 
    • CCNA/CCIE or other industry certifications 
  • Experience 
    • 5+ years Wireline, Wireless, or Broadband telephony switch installation or administration 
    • 5+ years Database management and network configuration work experience 
    • 5+ years Telephone Industry Experience 
  • Skills 
    • Ability to read, write, speak and understand English  
    • Ability to troubleshoot during outage situations  
    • In-depth knowledge of telephony disciplines (SBC, VoIP Switch, SIP protocol, etc.)  
    • Ability to effectively work with provider vendors  
    • Ability to maintain professional composure and demonstrate critical thinking during stressful or complex projects  
    • Ability to use personal computer and software applications  
    • Valid driver's license with satisfactory driving record within company required standards  
Preferred Qualifications 
  • Skills 
    • Knowledge of company products and services.  
    • In-depth knowledge of common word processing, spreadsheet, Presentation, Design software and concepts.  
    • In-depth knowledge of TCP/IP standard applications (Telnet, SSH, FTP, SMTP, HTTP) 

SPECTRUM CONNECTS YOU TO MORE

  • Dynamic Growth: The growth of our industry and evolving technology powers our employees’ careers as they move up or around the company
  • Learning Culture: With a dedicated focus on training and development, employees can have confidence that day one is truly just the beginning of a dynamic career
  • Innovation: We move businesses forward by delivering high-speed data and fiber technology solutions that power today’s evolving network demands
  • Supportive Teams: Be part of a strong community that gives you opportunities to network and grow and wants to see you succeed
  • Total Rewards:See all the ways we invest in you—at work and in life

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ETC370 2025-58359 2025

Here, employees don’t just have jobs, they build careers. That’s why we believe in offering a comprehensive pay and benefits package that rewards employees for their contributions to our success, supports all aspects of their well-being, and delivers real value at every stage of life.


A qualified applicant’s criminal history, if any, will be considered in a manner consistent with applicable laws, including local ordinances.

This job posting will remain open until 2025-08-07 10:00 PM (UTC) and will be extended if necessary.

The base pay for this position generally is between $78,900.00 and $139,500.00. The actual compensation offered will carefully consider a wide range of factors, including your skills, qualifications, experience, and location. We comply with local wage minimums and also, certain positions are eligible for additional forms of other incentive-based compensation such as bonuses.



Get to Know Us Charter Communications is known in the United States by our Spectrum brands, including: Spectrum Internet®, TV, Mobile and Voice, Spectrum Networks, Spectrum Business and Spectrum Reach. When you join us, you’re joining a strong community of 95,000 employees working together to serve more than 31 million customers in 41 states and keep them connected to what matters most. Watch this video to learn more.

Who You Are Matters Here We’re committed to growing a workforce that reflects our communities, and providing equal opportunities for employment and advancement. EOE, including disability/vets. Learn about our inclusive culture.

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