Tier 3, Engineer 4 – Network Solutions Engineer

Comcast Corp.; Plano, Northern (TX, KY); Hybrid; USD 98,000 - 162,000; Full time

Job summary

Comcast is seeking a Tier 3, Engineer 4 to lead senior‑level technical activations for large enterprise customers. You will drive day‑to‑day decisions, liaise with customers and cross‑functional teams, and coordinate complex network implementations in a fast‑paced, 24x7 environment.

The role requires expert IP routing/switching knowledge, SDN/SDWAN proficiency, and strong problem‑solving skills. Participation may involve night/weekend shifts and training junior staff.

Qualifications

• Bachelor's degree required or extensive related experience may be considered.
• Experience with enterprise networking and SDN/SDWAN solutions preferred.
• Ability to design, activate, and troubleshoot complex network deployments.

Responsibilities

• Provide senior-level technical execution for enterprise network activations.
• Coordinate with customers and internal teams to deliver end-to-end activation outcomes.
• Act as escalation point for complex issues and perform root cause analysis.
• Install and validate SDN/SDWAN services including BGP, QoS, and security configurations.
• Work in a 24x7 operations environment and support live customers.
• Prepare documentation and guidance for junior engineers.

Skills

IP routing

IP switching

SDN/SDWAN

Troubleshooting

Customer communication

Cross-functional coordination

Education

Bachelor's Degree

Tools

BGP

Firewall

NAT/PAT

Job description

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 Tier 3, Engineer 4 role provides senior‑level technical execution and leadership for complex enterprise network activations supporting large, high‑visibility customers. This role independently drives day‑to‑day technical decisions, partners directly with customers and internal stakeholders, and coordinates cross‑functional teams to deliver successful network implementations. Tier 3, Engineer 4 acts as a technical escalation point for the team, balances customer and business requirements, and ensures issues are resolved efficiently with a strong focus on service quality and operational excellence. They contribute to continuous improvement efforts through root cause analysis and tactical process enhancements.

Job Description Core Responsibilities:

• Advanced Technical Expertise: Deep hands‑on knowledge of enterprise network architectures and SDN/SDWAN solutions; capable of designing, activating, and troubleshooting complex network implementations.
• Customer & Partner Communication: Communicates effectively with enterprise customers and internal teams, translating technical details into clear impacts, risks, and recommendations.
• Cross‑Functional Coordination: Works across engineering, service delivery, product, and operations teams to deliver end‑to‑end activation outcomes.
• Ownership & Accountability: Takes ownership of assigned activations and issues from initiation through resolution, proactively identifying and mitigating risks.
• Independent Decision‑Making: Exercises sound technical judgment and autonomy within established frameworks, considering both customer experience and business priorities.
• Problem Resolution & RCA: Performs root cause analysis on complex issues and recommends targeted improvements to processes, designs, or tooling.
• Works in a 24x7 Operations environment supporting live customers.
• Regular, consistent and punctual attendance. Must be able to work nights and weekends, variable schedule(s) as necessary.
• Performs technical training to junior operations/engineering team members.
• Provisions network service configuration in the Software Defined Network (SDN) Service platform for services such as Firewall, NAT/PAT, QoS, DHCP, Traffic Steering, BGP, Static Routes, Wireless Backup, Hybrid WAN, High Availability, LAN and WAN interfaces, etc.
• Completes Bill of Materials (BOM) for hardware required for each site provisioned, ensuring the configuration and hardware match to meet the customer’s requirements.
• Working with Customer Project Managers (CPM), provides configurations and technical leadership as a primary technical resource on IP router network technologies, traffic flows, and overall end to end network communication during the Service Delivery process.
• Tests and turns up new uCPE and Wireless Backup circuits in a production environment.
• May recommend new practices and procedures, as necessary.
• Executes test plans and logs results.
• Gathers supporting documentation such as installation photos and speed tests.
• Interfaces with customers in regard to acceptance testing of SDN Overlay and Wireless Backup services.
• Executes test plans and logs results.
• Develops and implements test and acceptance criteria for network elements.
• Troubleshoots IP networking and security issues, providing resolutions according to established practices and procedures including executing packet captures, analyzing network performance data, reviewing security profiles, parsing log files, and understanding the customer’s desired outcome.
• Interfaces with customers to resolve customer issues with their service & to understand Change of Service requests.
• Interfaces with customers to help educate them on the use and functionality of their service.
• Opens and updates service tickets in database/tracking system.
• Expertly troubleshoots IP and Network Security issues including routing, performance, connectivity, access, network address translation, access control lists/firewall rules, and network management protocols (DHCP, DNS, etc.).
• Analyze network performance metrics and identify service affecting root causes to customer chronic and systemic issues.
• Collaborates with customer, Development and Strategic Engineering, and SDN Service platform vendor during in-depth troubleshooting.
• Executes Change of Service requests through the SDN Service platform.
• Validates functionality after changes made to ensure customer satisfaction.
• Escalates issues in a timely fashion.
• Provides all relevant information, accurately entering information into trouble ticket database.
• Performs deep dives and root cause analysis into customer issues looking for systemic problems.
• Collaborates with Engineering and Vendor teams on resolution of systemic problems.
• Coordinates and implements patches in the production environment to resolve systemic problems.
• Provides feedback to and supports applications/features/products under development.
• Assists with the software update process for existing applications, and rollouts of software releases.
• Collaborates with project stakeholders to identify tool and technical requirements to support Operations.
• Conducts analysis to determine integration needs.
• Works with Product Development team to determine if products, features, and applications fit specification and technical requirements.
• Researches, writes and edits documentation and technical requirements, including product and feature designs, evaluation test plans, test results, technical manuals and formal recommendations and reports.
• Provides expertise and guidance to junior team members.
• Demonstrates expert level knowledge of Internet Protocol (IP) routing and switching fundamentals (See Preferred Requirements).
• Supports both standard customers as well as large/complex customers with custom designs and configurations.
• Exercises judgment during incident management, site design, network configuration and network activation to ensure efficient use of time.
• Displays in-depth knowledge of engineering and development methodologies, concepts, skills, and their application.
• Consistent exercise of independent judgment and discretion in matters of significance.
• Other duties and responsibilities as assigned.

Employees at all levels are expected to: Understand our Operating Principles; make them the guidelines for how you do your job. Own the customer experience - think and act in ways that put our customers first, give them seamless digital options at every touchpoint, and make them promoters of our products and services. Know your stuff - be enthusiastic learners, users and advocates of our game‑changing technology, products and services, especially our digital tools and experiences. Win as a team - make big things happen by working together and being open to new ideas. Be an active part of the Net Promoter System - a way of working that brings more employee and customer feedback into the company - by joining huddles, making call backs and helping us elevate opportunities to do better for our customers. Drive results and growth. Support a culture of inclusion in how you work and lead. Do what's right for each other, our customers, investors and our communities.

Disclaimer: This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.

Skills Network Services, Network Technologies, Technical Knowledge, Technical Training, Troubleshooting Compensation

Compensation This job can be performed in Colorado with a Pay Range of $98,426.32 - $162,403.44 Comcast intends to offer the selected candidate base pay within this range, dependent on job‑related, non‑discriminatory factors such as experience. Base pay is one part of the Total Rewards that Comcast provides to compensate and recognize employees for their work. Most sales positions are eligible for a Commission under the terms of an applicable plan, while most non‑sales positions are eligible for a Bonus. Additionally, Comcast provides best‑in‑class Benefits to eligible employees. We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That’s why we provide an array of options, expert guidance and always‑on tools, that are personalized to meet the needs of your reality – to help support you physically, financially and emotionally through the big milestones and in your everyday life.

Education Bachelor's Degree While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.

Certifications (if applicable) Relevant Work Experience 7-10 Years

Comcast is an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law.

At Comcast , you have the power to connect the world. Your career options are endless as you grow in your career. Explore your future with access to a variety of teams, locations, and resources in an expanding network. You can also explore additional opportunities at our company, NBCUniversal.