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Senior Linux System Administrator

Cox Communications

Atlanta, GA
Job Code:
Cox Communications
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Job Details

Company Cox Communications
Title: Senior Linux System Administrator
JobID: 1710519
Category: Engineering
Industry: Cox Communications, Inc.
Job Type: Full-time


Cox Communications is searching for a Senior Linux System Administrator who will be responsible for deploying and operating a nationally deployed Linux based content delivery network (CDN)– which Cox will utilize as a core component of all future video delivery initiatives. As such, strong emphasis will be placed on adhering to Cox defined operations standards and best practices. Additionally, as needed, must be willing to work in a 24x7 environment during deployments or problem escalation scenarios. Business as usual protocol will be to partner with Engineering peers to constantly improve technology understanding and overall operational readiness.

Primary Responsibilities and Essential Functions:

  • Deploys all CDN platform components on the Cox production network.
  • Performs all CDN tier 3 level troubleshooting requiring the ability to perform complex network or system fault isolation and resolution.
  • Accountable for coordinating solutions with vendors on chronic equipment or operating system issues that impact the CDN platform to insure uninterrupted service and support to customers.
  • Accountable for reporting, tracking and trending CDN performance to assist with troubleshooting or forecasting capacity needs.
  • Interfaces with other departments and markets to resolve CDN problems.
  • Partners with change management for impact identification, network validation, MOP creation and execution of activities.
  • Performs real-time problem management including coordinating with peer groups, problem escalation to vendors, reporting serious problems to management, and tracking and follow-up
  • Develops and distributes routine and ad hoc CDN reports to management and field personnel to support service delivery.
  • Develops reports on CDN events and post mortems on outages in Cox production network.
  • Travels as necessary to support other locations or deployment initiatives.



  • 5 years of experience in related field (i.e., Network Engineering, IP Video Delivery, Content Delivery Networks, Linux System Admin). 
  • 5+ years experience with Linux/BSD server administration and management.
  • 5+ years working with TCP/UDP Protocols.
  • 3+ years experience with scripting and/or compiled languages. 

  • 3+ years experience implementing advanced, complex network designs.

  • TCP/IP, OSI: In-depth knowledge of the TCP/IP protocol stack and practical application of the OSI model, including packet headers, traffic flow, etc. 

  • UNIX/Linux system administration: Requires in-depth experience with most common UNIX/Linux services and system administration functions, ranging from shell sessions to specific services (such as Sendmail, Apache, X windows, user/group administration, etc.).
  • Scripting: Ability to interpret scripting languages such as Python, PHP, and Pearl.
  • HTML: Good understanding.
  • Content Delivery Networks (CDN): Good understanding, working experience desired. 
  • DNS: In-depth understanding and substantial work experience. 
  • HTTP/1.1: Working experience desired.
  • HTTP/1.1 forward/reverse proxy: Working experience desired. 
  • HTTP Adaptive Bitrate video: Working knowledge. 
  • MySQL admin: In-depth understanding and some working experience. 
  • LAN: In-depth knowledge of LAN administration, Ethernet hubs, switches, and cabling 

  • WAN: Working knowledge of routing protocols in a service provider environment, specifically: OSPF, BGP, IS-IS. 

  • Video: General understanding of video distribution in a cable environment

About Cox Communications


Cox Communications is a broadband communications and entertainment company, providing advanced digital video, Internet, telephone and home security and automation services over its own nationwide IP network. The third-largest U.S. cable company, Cox serves approximately 6 million residences and businesses. Cox Business is a facilities-based provider of voice, video and data solutions for commercial customers, and Cox Media is a full-service provider of national and local cable spot and digital media advertising. Cox is known for its pioneering efforts in broadband, voice and commercial services, industry-leading customer care and its outstanding workplaces. For nine years, Cox has been recognized as the top operator for women by Women in Cable Telecommunications; Cox has ranked among DiversityInc's Top 50 Companies for Diversity 11 times. More information about Cox Communications, a wholly owned subsidiary of Cox Enterprises, is available at and

Organization: Cox Communications, Inc.

Primary Location: US-GA-Atlanta-6305 Peachtree Dunwoody Rd

Employee Status: Regular

Job Level: Individual Contributor

Shift: Day Job

Travel: Yes, 5 % of the Time

Schedule: Full-time

Unposting Date: Ongoing
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