Network Engineer III

Posted Yesterday
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Charlotte, NC, USA
In-Office
Senior level
Information Technology • Internet of Things • Mobile • On-Demand • Software
The growth of our industry and evolving technology powers our employees’ careers as they move up or around the company.
The Role
Design, implement, troubleshoot, and optimize complex network environments including routing, switching, security, voice, video, and wireless. Lead network architecture, perform escalated support, develop technical standards and procedures, and participate in medium-to-high complexity projects and maintenance activities.
Summary Generated by Built In
This role requires the ability to work lawfully in the U.S. without employment-based immigration sponsorship, now or in the future.
Join Spectrum as a Network Engineer III and play a critical role in building, optimizing, and supporting highly complex network environments that power reliable connectivity and communication. In this role, you will help plan and design network architecture, implement enhancements, troubleshoot routing, switching, security, voice, video, and wireless services, and lead maintenance and upgrade efforts that keep systems performing at their best. This is an exciting opportunity for a skilled network professional who thrives in a fast-paced environment and enjoys solving complex technical challenges while driving continuous improvement.
The ideal candidate brings deep experience in network engineering, security, routing and switching, and protocol design, along with the ability to support cross-functional projects and escalated operational issues. You will work with leading technologies such as Fortinet, Meraki, Cisco, and Adtran, contribute to technical standards and procedures, and help maintain critical managed services infrastructure.
Working in this operational environment requires strong networking skills:
  • Work experience and advanced knowledge in Network Security and Firewalls (Fortinet, Meraki)
  • Work experience and advanced knowledge in Network Routing and switching (Cisco, Adtran)
  • Work experience and advanced knowledge in Voice and Video technology
  • Troubleshooting of all routing, switching, security, voice, video, and wireless services.

If you are passionate about network performance, enjoy hands-on problem-solving, and are ready to make a measurable impact in a dynamic organization, Spectrum offers the opportunity to grow your career while helping deliver exceptional service.
How You'll Make an Impact
  • Participate in network planning, network architecture design and engineering
  • Integrate and schematically depict communication architectures, topologies, hardware, software, transmission and signaling links and protocols into complete network configurations
  • Evaluate new products, perform network problem resolution
  • Assist in the development and documentation of technical standards
  • Develop and implement approved methods of procedure
  • Design and establish protocol compatibility standards, develop and implement network enhancements and make recommendations for improvement
  • Work on projects/systems/issues of medium to high complexity surrounding network planning, configuration and optimization
  • Provide escalated tier support across organizations and to third party vendors
  • Work on one or more projects as a project team member, occasionally as a project team lead
  • Adhere to industry specific local, state, and federal regulations, as applicable

Working Conditions
  • Office Environment
  • Perform routine maintenance during the company change maintenance window 12 am - 6 am
  • May work in Network Lab environment
  • Depending on business group, on-call work may be an essential function of the job
  • Occasional travel as required

What You'll Bring to Spectrum
Required Qualifications
Education
  • Bachelor's Degree in Computer Science, Electrical Engineering, or related field or equivalent work experience

Experience
  • 5+ years data network experience

Skills
  • Ability to read, write and speak the English language
  • Ability to use personal computer and software applications like Microsoft Office
  • Demonstrated in-depth data networking knowledge (OSI Model, TCP/IP, Optical Transport)
  • Ability to work in a team environment, perform duties in a very fast-paced environment and ability to learn new technology quickly
  • Demonstrated in-depth knowledge of related industry specifications and standards IEEE, ANSI, Fiber (Multimode, Single mode, UTP, etc.), Bridging, Switching, Routing, Ethernet and Transport technologies and protocols
  • Demonstrated in-depth knowledge in network design, network architecture, network protocols, network topology, network devices, and network appliances
  • Demonstrated in-depth knowledge in using ticketing and software tools to support the current operations.
  • Demonstrated in-depth knowledge of network designing software, such as Visio

Preferred Qualifications
Education
  • Experienced in scripting languages:
    • Python
    • Selenium

Skills
  • Experienced with administration and development of MS SharePoint Sites and Chalk

#LI-RC1
ENE311 2026-73626 2026
Here, our employees don't just have jobs, they're building careers. That's why we offer a comprehensive package that rewards employees for their contributions to our success, supporting all aspects of their well-being 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.
Get to Know Us Charter Communications provides superior communication and entertainment products for residential and business customers through the Spectrum brand. Our offerings include Spectrum Internet®, TV, Mobile and Voice. Beyond our connectivity solutions, we also provide local news, programming and regional sports via Spectrum Networks and multiscreen advertising solutions via Spectrum Reach. When you join our team, you'll be keeping our customers connected to what matters most in 41 states across the U.S.
Grow Your Career Here We're committed to growing a workforce that reflects the customers and communities we serve - providing opportunities for employment and advancement to all team members. Spectrum is an Equal Opportunity Employer, including job seekers with disabilities and veterans.

Skills Required

  • Authorized to work in the U.S. without employment-based sponsorship now or in the future
  • Bachelor's degree in Computer Science, Electrical Engineering, or related field or equivalent work experience
  • 5+ years data network experience
  • Advanced knowledge and work experience in Network Security and Firewalls (Fortinet, Meraki)
  • Advanced knowledge and work experience in Network Routing and Switching (Cisco, Adtran)
  • Advanced knowledge and work experience in Voice and Video technologies
  • Troubleshooting of routing, switching, security, voice, video, and wireless services
  • Demonstrated in-depth data networking knowledge (OSI Model, TCP/IP, Optical Transport)
  • Demonstrated knowledge of industry specifications and standards (IEEE, ANSI, Fiber, Bridging, Switching, Routing, Ethernet, Transport protocols)
  • Experience with network design, architecture, topology, devices, and appliances
  • Experience using ticketing and software tools to support network operations
  • Experience with network design software such as Visio
  • Ability to use personal computer and software applications like Microsoft Office
  • Ability to read, write, and speak English
  • Experience with Python scripting (preferred)
  • Experience with Selenium (preferred)
  • Experience with MS SharePoint administration/development (preferred)
  • Experience with Chalk (preferred)

What the Team is Saying

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Spectrum Compensation & Benefits Highlights

  • Retirement Support 401(k) match is dollar-for-dollar up to 6% of pay, plus an additional 3% company contribution for most employees, creating up to 9% in annual employer retirement funding. This structure provides meaningful, predictable long-term savings support.
  • Affordable Benefits Medical, dental, and vision options are positioned as affordable, with the company absorbing annual cost increases for the past 12 years to keep employee premiums lower. 24/7 EAP counseling expands access to no-cost mental health support.
  • Parental & Family Support Six weeks paid parental leave (14 weeks for birth mothers), fertility benefits, and up to $15,000 for adoption and surrogacy indicate strong family-building support. These benefits complement standard PTO and paid holidays that increase with tenure.

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The Company
HQ: Stamford, CT
100,000 Employees
Year Founded: 1993

What We Do

Our Product and Technology team creates, develops, and operates the nation’s fastest mobile service, most reliable internet service, most viewed live TV app, and the most advanced WiFi, serving nearly 100 million users and 500 million devices. We are transforming the next era of connectivity and entertainment experiences together.   The experience within Spectrum’s Product and Technology team is unmatched and there are opportunities to grow your career as a designer, architect, engineer, developer, operator, or data scientist.  We are creative, disciplined, hard-working, complex-problem solvers that believe in collaborating to deliver the highest quality customer experience.

Why Work With Us

At Spectrum, we continually refine technology, process, and structure. We are committed to delivering a superior network infrastructure, the most competitive products, and highly rated customer experiences. Our talented team of experts deploys technology solutions and builds systems and tools for our employees to provide exceptional operations.

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