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Senior Network Planning Engineer

  • Hybrid work
  • Full time, Day
  • Travel: No

Job Category: Engineering / Product Development

Job Level: Individual Contributor

Division: Cox Communications


  • 6305 Peachtree Dunwoody Rd, Atlanta, Georgia
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We are seeking a highly skilled and motivated Senior Network Planning Engineer with a strong background in traffic engineering to join our dynamic team. This role translates internet Product Strategy into Network Architecture. It engineers internet products and services and ensures they can operate robustly and efficiently on our network. It advises network development to support new products and services, as well as advising Product on current and future network capabilities to help optimize the value delivered to the customer. As a key member of the strategic network planning group, you will play a critical role in designing, optimizing, and managing the network infrastructure that powers our cutting-edge products. Your expertise in traffic engineering will be instrumental in ensuring optimal network performance, reliability, and scalability. 

Key Responsibilities

  • Network Architecture Design: Collaborate with cross-functional teams to design network roadmaps that align with the requirements of our products. Leverage your expertise in traffic engineering to create efficient and reliable network layouts that deliver optimal performance and low latency in alignment with product delivery. 

  • Traffic Engineering: Apply advanced traffic engineering principles to analyze, model, and optimize network traffic patterns. Design network strategies that minimize congestion, maximize throughput, ensure Quality of Service (QoS) for critical applications, and build methodology how we measure service performance. 

  • Capacity Planning: Utilize your in-depth knowledge of traffic patterns and network utilization to perform capacity planning. Anticipate future growth and demand and recommend infrastructure upgrades or expansions to maintain a high level of service. 

  • Network Optimization: Continuously monitor and analyze network performance metrics. Identify opportunities for optimization, implement adjustments to network configurations, and fine-tune traffic routing to enhance overall efficiency. 

  • Collaboration and Documentation: Work closely with product managers, software engineers, and network operations teams to gather requirements, share insights, and contribute to the development of network-related features. Create and provide detailed documentation and presentations of network designs, configurations, strategic policies, and best practices. 

  • Emerging Technologies: Stay current with industry trends and emerging technologies related to traffic engineering and network optimization. Evaluate and recommend new tools, protocols, or strategies that can enhance network performance and reliability. 



  • Bachelor’s degree in Computer Science, Electrical Engineering, or a related discipline and 4 years’ experience in a related field. The right candidate could also have a different combination, such as a master’s degree and 2 years’ experience; a Ph.D. and up to 1 year of experience; or 8 years’ experience in a related field.

  • Skills needed include data analysis and modeling, traffic engineering, telecommunications and networks fundamentals, systems thinking, and collaboration. 

  • Extensive professional experience in network engineering with a focus on traffic engineering. 

  • In-depth knowledge of network protocols, routing algorithms, and Quality of Service mechanisms. 

  • Proficiency in network simulation and modeling tools (e.g., NS-3, OPNET, or similar). 

  • Familiarity with software-defined networking (SDN) concepts and implementations. 

  • Knowledge of DOCSIS and Fiber network 

  • Excellent problem-solving abilities and analytical thinking. 

  • Effective communication skills to collaborate with cross-functional teams and convey complex technical concepts. 


  • Cisco Certified Network Professional (CCNP) or equivalent certifications. 

  • Experience with cloud networking and virtualization technologies. 

  • Experience with modern reporting and BI tools, such as Tableau or Power BI 

  • Knowledge of data center networking architectures and best practices. 

About Cox Communications

Cox Communications is the largest private telecom company in America, serving six million homes and businesses. That’s a lot, but we also proudly serve our employees. Our benefits and our award-winning culture are just two of the things that make Cox a coveted place to work. If you’re interested in bringing people closer through broadband, smart home tech and more, join Cox Communications today! 

About Cox

Cox empowers employees to build a better future and has been doing so for over 120 years. With exciting investments and innovations across transportation, communications, cleantech and healthcare, our family of businesses – which includes Cox Automotive and Cox Communications – is forging a better future for us all. Ready to make your mark? Join us today! 


Benefits of working at Cox may include health care insurance (medical, dental, vision), retirement planning (401(k)), and paid days off (sick leave, parental leave, flexible vacation/wellness days, and/or PTO). For more details on what benefits you may be offered, visit our benefits page.

Cox is an Equal Employment Opportunity employer - All qualified applicants/employees will receive consideration for employment without regard to that individual’s age, race, color, religion or creed, national origin or ancestry, sex (including pregnancy), sexual orientation, gender, gender identity, physical or mental disability, veteran status, genetic information, ethnicity, citizenship, or any other characteristic protected by law.

Statement to ALL Third-Party Agencies and Similar Organizations: Cox accepts resumes only from agencies with which we formally engage their services. Please do not forward resumes to our applicant tracking system, Cox employees, Cox hiring manager, or send to any Cox facility. Cox is not responsible for any fees or charges associated with unsolicited resumes.

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