Comcast brings together the best in media and technology. We drive innovation to create the world's best entertainment and online experiences. As a Fortune 50 leader, we set the pace in a variety of innovative and fascinating businesses and create career opportunities across a wide range of locations and disciplines. We are at the forefront of change and move at an amazing pace, thanks to our remarkable people, who bring cutting-edge products and services to life for millions of customers every day. If you share in our passion for teamwork, our vision to revolutionize industries and our goal to lead the future in media and technology, we want you to fast-forward your career at Comcast.
Job Summary
"Responsible for contributing towards the build and maintenance of the organization's cyber security systems and infrastructure. Exercises solid knowledge of engineering skills and methodology with a working knowledge of applicable cyber security compliance standards. Conducts security assessments and audits to identify cybersecurity risks within the company's networks, applications and operating systems. Helps secure and protect the Network Infrastructure: Routers, Switches, Optical Devices, L2 Datacenter and cabling, Strand Mounted devices, Secure Routing protocols, DOCSIS plant (CMTS/vCMTS/PON), SDN, best practice device configuration, network automation, monitoring and troubleshooting. Tests company's internal systems to validate security and detect any computer and information security weaknesses. Performs a technical analysis of vulnerabilities and determines the impacts to the organization Reports, tracks and records findings in a comprehensive vulnerability assessment report. Identifies and recommends appropriate action to mitigate vulnerabilities and reduce potential impacts on cybersecurity resources. Applies long-term objectives and plans related to the company's technical vision to daily activity. Applies innovative solutions for cyber engineering developmental problems that are competitive with industry and company standards. Works with moderate guidance in own area of knowledge. Employees at all levels are expect 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 and diversity - Do what's right for each other, our customers, investors and our communities"We are seeking a motivated and detail-oriented Cybersecurity Network Security Engineer with 2–5 years of experience to join our enterprise security team. The ideal candidate will be responsible for implementing and maintaining network security controls, monitoring network traffic, and defending the organization against network-based threats. This is a critical role focused on securing enterprise networks and ensuring compliance with security policies.
Key Responsibilities
- - Implement, manage, and monitor network security devices including firewalls, IDS/IPS, VPNs, and proxies.
- - Analyze and respond to network security incidents and anomalies in real-time.
- - Conduct vulnerability assessments and remediate risks in network infrastructure.
- - Collaborate with IT and Security teams to design and enforce secure network architectures.
- - Perform regular network security reviews, audits, and risk assessments.
- - Manage and optimize firewall rules and access control lists across the enterprise.
- - Support incident response activities and participate in root cause analysis.
- - Maintain up-to-date documentation for network security infrastructure and policies.
Required Skills & Experience
- - 2–5 years of experience in network security, cybersecurity, or related IT security roles.
- - Strong understanding of networking protocols, routing, switching, and firewall technologies.
- - Hands-on experience with firewalls (e.g., Palo Alto, Fortinet, Cisco ASA), IDS/IPS, and SIEM solutions.
- - Knowledge of VPNs, VLANs, and network segmentation principles.
- - Familiarity with network monitoring and packet analysis tools (e.g., Wireshark, SolarWinds).
- - Experience with cloud network security in AWS, Azure, or GCP is a plus.
- - Understanding of regulatory compliance standards (e.g., ISO 27001, NIST, PCI-DSS).
- - Scripting or automation experience (Python, PowerShell) is desirable.
Preferred Qualifications
- - Certifications such as CCNA Security, CompTIA Security+, Palo Alto PCNSA, or similar.
- - Experience with Zero Trust Network Architecture (ZTNA).
- - Knowledge of threat intelligence and network threat hunting.
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.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 DegreeWhile 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
2-5 Years