Comcast Cybersecurity: Network Security Engineer
Philadelphia, Pennsylvania
Overview
Our analysts transform data into meaningful insights that drive strategic decision making. They analyze trends, interpret data, and discover opportunities. Working cross-functionally, they craft narratives from the numbers - directly contributing to our success. Their work influences key business decisions and shape the direction of Comcast.
Success Profile
What makes a successful Comcast Cybersecurity: Network Security Engineer at Comcast? Check out these top traits and explore role-specific skills in the job description below.
- Good Listener
- Problem Solver
- Organized
- Collaborative
- Perceptive
- Analytical
Responsibilities
Comcast Cybersecurity: Network Security Engineer
Job Summary
We are looking for a Network Security Engineer to support our cryptography inventory workstream. This role is part of our growing Comcast’s Security & Privacy Innovation, Engineering, Research and Development (SPIDER) team. We are on a mission to build cutting-edge security and privacy tools in complex environments. If you’re excited to work with a group of technical experts solving hard networking and cryptography problems using network analysis tools, infrastructure, and building end-to-end solutions, this opportunity is for you.Job Description
Core Responsibilities
Build tools and technologies to enable discovery of cryptographic assets across Comcast using network and infrastructure telemetry data
Implement technologies and associated roadmaps to create new telemetry for cryptographic inventorying.
Work closely with stakeholders to gather requirements todifferent use cases of cryptographic inventory.
Design, implement, and evaluate new forks of network protocols for different layers of the OSI model, e.g., new flavors of TLS.
Support evaluation of vendor provided and open-source solutions.
Participate in standards organizations and coalitions like IETF, etc.
Ensure maturity of the products and processes for cryptographic inventory, e.g. by maintaining technical documentation.
Present findings and roadmaps to executive leadership and contribute to organizational cryptographic inventory strategy.
Minimum Qualifications:
Bachelor's degree in computer science, Network Security, IT, or similar technical field with 5 years of professional experience
OR Master’s degree in Computer Science, Network Security, IT, or similar technical field with 3 years of professional experience OR equivalent.
Solid understanding of corenetworkingprotocols like TLS, X.509, BGP, DHCP, IPsec, DNSsec, etc.
Knowledge of networking principles and components like firewalls, routers, switches, load balancers, servers, etc.
At least 2 years of experience working with network packet capture tools like WireShark, tcpdump, nmap, or similar.
Well-versed in PKI and at least one database technology, such as SQL. .
Basic knowledgeof cryptography (RSA, ECC, AES) and digital signatures.
Ability to learn and work independently, along with strong communication, and a strong work ethic.
Preferred Qualifications:
PhD in Computer Science, Network Security, IT, or similar technical field.
Working experience in any one of the SQL databases, Databricks, Snowflake, or similar.
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.
Respect and promote inclusion & diversity.
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.
Comcast is proud to be 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.
Skills:
Cryptography; Cybersecurity; Network Protocols
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. Please visit the compensation and benefits summary on our careers site for more details.
Education
Bachelor's Degree, Ph. D.
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.
Relevant Work Experience
5-7 Years
Hear from our people

“I love that Comcast has granted me the opportunities that I have. The company has done a lot to put me in the position that I’m in and I’d like to continue to give back to that.”
Matthew Data Analyst/Eng 1, Software Dev & Eng
Culture
At Comcast you can have work/life balance in an inclusive environment where you can be your authentic self.
Comcast provides many opportunities to build skills and grow in your career and a top-notch benefits, time off and perks package.
We are committed to delivering reliable, effortless experiences to our customers no matter how they choose to interact with us.
You will build personal relationships on a growing team that while making Xfinity a best-in-class, most-loved brand.

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