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Sr. Network Engineer 4, Design & Architecture

Comcast

RemoteIL Virtual CSenior
Sign in to applyVerified 2h ago
Location
IL Virtual C
Work model
On-Site
Level
Senior
Posted
Aug 17, 2026

Skills

Cybersecurity

About this role

Comcast Business offers a suite of Connectivity, Communications, Networking, Cybersecurity, Wireless, and Managed Solutions to help global organizations of all sizes prepare for what’s next. Powered by the nation’s largest Gig-speed broadband network and backed by 24/7 customer support, Comcast Business is the nation’s largest technology provider to small businesses and one of the leading service providers to the Enterprise market. Comcast Business has been consistently recognized by industry analysts and associations as a leader and innovator, and one of the fastest growing providers of Ethernet services.

Job Summary

The Sr. Network Engineer 4, Design & Architecture, supports the design of custom enterprise network solutions for our Comcast Business customers as well as troubleshooting, installing, implementing and administering network systems, and providing Tier IV Help Desk escalation support. Analyzes capacity issues and develops capacity planning models. Responsible for ensuring planned maintenance and testing activities are executed and for developing guidelines for network configuration and security standards. Role will be virtually based in Colorado or Illinois with up to 15% annual travel.

Job Description

Core Responsibilities: Serves as a technical lead, providing guidance and mentorship to junior network engineers. This position works under limited supervision. Leads the design and implementation of custom network solutions for existing and potential customers. Follows best-practice industry standards to provide a network design which is functional, scalable and secure. Supports the Solutions Architect group to design, document and implement customer pilots and provide support for customer testing as required while in the pilot phase of the sales process. Provides network engineering support to Sales organization as required. Provides Tier IV escalation support to Help Desk. Troubleshoots, diagnoses and resolves customer network issues. When applicable, recommends changes to remediate any network deficiencies to enhance network performance. Researches, evaluates and provides recommendations for new hardware and software solutions, to stay current with new technology and market trends and future requirements. Position requires participation of a rotating “on call” schedule to provide support for our business and customers. Creates technical presentations as needed, presenting to various audiences (both internal and external) with all levels of technical knowledge. Develops, documents and maintains processes and procedures related to design, implementation, maintenance and operations of various complex customer networks. Follows and enforces documented processes and procedures to meet established compliance requirements. Analyzes customer bandwidth requirements and system interdependencies as required. Develops capacity planning models to meet customer’s future needs. Supports various professional services projects for existing or prospective customers to include, but not limited to Network Discovery & Design, Wireless LAN, and Security audits. Consistent exercise of independent judgment and discretion in matters of significance. Regular, consistent and punctual attendance. Must be able to work nights and weekends, variable schedule(s) as necessary. This position is ineligible for visa sponsorship. To be considered for this role, you must be legally authorized to work in the United States and not require sponsorship for employment now or in the future. Other duties and responsibilities as assigned.

Preferred Qualifications

B.A. or B.S. Degree in a technical field from an accredited college or university or equivalent experience (equivalent combination of education and experience considered). 7+ years of experience in network design, implementation, installation, maintenance and troubleshooting of complex enterprise networks. CCNP, JNCIP, FNCSP(NSE4), CCVP, CCSP Certification or equivalent

Listing verified 2h ago. Applications go through the company's official careers site.

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Sr. Network Engineer 4, Design & Architecture at Comcast, IL Virtual C | Yoinka