Comcast · 10 hours ago
Comcast Cybersecurity: Security R&D Engineer
PA - Philadelphia, 1800 Arch St
Full-time
Onsite
Senior Level
5+ years expComcast is a Fortune 30 global media and technology company, seeking passionate cybersecurity researchers to join their team. The Security Research Engineer will conduct research and development to enhance Comcast's cybersecurity posture, utilizing AI-driven techniques and collaborating with various stakeholders to improve threat detection and security solutions.
InternetTelecommunicationsTVVideoWeb Hosting
Responsibilities
Lead innovative cybersecurity initiatives by developing advanced proofs of concept that elevate state‑of‑the‑art threat detection and protection
Integrate open‑source security solutions into existing systems to enhance overall security capabilities
Guide the successful delivery of high‑impact, revenue‑critical programs and provide technical leadership within key research domains
Define technical requirements for applications and platforms, ensuring clear alignment with product and organizational needs
Lead the design and implementation of applications and platforms, partnering closely with product teams and other stakeholders throughout development
Develop specifications, algorithms, and frameworks that shape future products and custom security solutions
Qualification
Required
MS in Cybersecurity, Privacy, Machine Learning Security, or Data Science
2+ years of industry experience for MS, 1 year of postdoctoral or industry experience for PhD
Experience building proof of concepts. (Note: You do not need to be a software developer. But you should be able to code.)
Knowledge of emerging cybersecurity technologies, threats, mitigations, and security industry trends
Knowledge of networking protocols such as TCP/IP, DNS, HTTP, IoT, etc
Explore and read from real incidents and learn from cybersecurity researchers and attackers to develop solutions addressing real-world security threats
Serve as the primary technical representative for assigned projects, communicating progress and findings across the organization
Collaborate with internal teams and external partners to validate research, publish findings, and contribute to open‑source tools and communities
Preferred
PhD in Cybersecurity, Privacy, Machine Learning Security, or Data Science
Experience in one of the following languages: Python, JavaScript, C, and Java
Experience in large‑scale data analysis and generating threat intelligence using advanced analytics and machine learning techniques
Experience in building AI models and designing LLM‑based solutions, including architecture design, performance evaluation, and production deployment
Knowledge of one of the following Cloud services: AWS, Azure, Google, or other cloud platforms
An established publication record or record of public speaking on cybersecurity topics
Strong experience with on (or more) of the following areas: Application security: Static & dynamic analysis, Network defense: Intrusion detection, Security Architecture: Data protection, Secure application development, Cryptography, Risk assessment: Source code scan, Data-centric risk assessment, Machine learning applications in security, Privacy engineering: Data privacy, Privacy by design, Machine learning (Privacy enhancing machine learning)
Company
Comcast
Comcast is a media and technology company that provides broadband internet, mobile services, and entertainment platforms. It is a sub-organization of SkyShowtime.
10001+ employees
H1B Sponsorship
Comcast has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (705)
2024 (561)
2023 (624)
2022 (750)
2021 (588)
2020 (583)
Funding
Current Stage
Public CompanyTotal Funding
$4.92BKey Investors
California Public Utilities CommissionMassachussetts Broadband InstituteMaine Connectivity Authority
2025-11-13Grant· $3.2M
2024-07-02Grant· $2.69M
2023-04-24Grant· $0.28M
Leadership Team
Neil Smit
President and Chief Executive Officer
Candy Lawson
SVP, Chief Compliance Officer and Senior Deputy General Counsel
Recent News
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