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Keywords: Comcast Cybersecurity: Security Research Engineer, Location: Philadelphia, PA

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Comcast Cybersecurity: AI Development Research Engineer

of Cybersecurity principles. Knowing prompt engineering (LLM) security best practices (e.g., prompt injection) is a plus. Employees...Make your mark at Comcast -- a Fortune 30 global media and technology company. From the connectivity and platforms...

Company: Xfinity
Location: Philadelphia, PA
Posted Date: 17 Jan 2026

Comcast Cybersecurity: PQC Embedded Engineer

a senior security-focused research engineer to design and develop innovative solutions in cybersecurity and privacy research.... The position will sit within the Global Cybersecurity organization and collaborate on advanced research initiatives...

Company: Xfinity
Location: Philadelphia, PA
Posted Date: 22 Jan 2026

Senior Remediation Engineer (Engineer 4)

a highly skilled and motivated Senior Vulnerability Remediation Engineer to join our Cybersecurity team. In this critical role... to Comcast’s security posture. Job Description Core Responsibilities: Partner with developers, infrastructure...

Company: Xfinity
Location: Philadelphia, PA
Posted Date: 10 Jan 2026