Comcast Cybersecurity: PQC Embedded Engineer

Make your mark at Comcast -- a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award-winning technology team that turns big ideas into cutting-edge products, platforms, and solutions that our customers love. We create space to innovate, and we recognize, reward, and invest in your ideas, while ensuring you can proudly bring your authentic self to the workplace. Join us. You’ll do the best work of your career right here at Comcast. (In most cases, Comcast prefers to have employees on-site collaborating unless the team has been designated as virtual due to the nature of their work. If a position is listed with both office locations and virtual offerings, Comcast may be willing to consider candidates who live greater than 100 miles from the office for the remote option.)

Job Summary

We are hiring a senior security-focused research engineer to design and develop innovative solutions in cybersecurity and privacy research engineering. This role combines expertise in network protocols, cryptographic standards, embedded programming, and secure system design to build tools and proof-of-concepts that strengthen security posture across enterprise, IoT, and cloud environments. The position will sit within the Global Cybersecurity organization and collaborate on advanced research initiatives, including security research engineering, cryptography and emerging technologies such as post-quantum cryptography.

Job Description

Core Responsibilities  

• Design and implement security-focused systems and proof-of-concepts for enterprise and cloud environments. 

• Develop and integrate open-source security solutions with existing systems. 

• Research and prototype new cybersecurity and privacy technologies, including cryptographic mechanisms. 

• Analyze network traffic and metadata to assess protocol security, compliance, and risk posture. 

• Collaborate with internal teams and external partners to validate findings, publish research, and contribute to open-source tools. 

• Stay current with evolving standards in cryptography (e.g., TLS 1.3, post-quantum crypto) and network security. 

• Design and implement secure solutions for embedded systems and IoT devices. 

• Develop proof-of-concept models to validate security features and performance in embedded environments. 

  

Minimum Qualifications:   

• Bachelor's degree in computer science, Cybersecurity, or a related technical field with 3+ years of professional experience OR equivalent. 

• Strong understanding of cybersecurity principles and network protocols (e.g., TLS, IPsec, DNSsec). 

• Proficiency in development and engineering skills using languages such as Python and C. 

• Familiarity with cryptographic algorithms (RSA, ECC, AES) and digital signatures. 

• Ability to learn and work independently, with strong communication and problem-solving skills. 

Preferred Qualifications:   

• Master’s or Ph.D. in Computer Science, Cybersecurity, or related technical field. 

• Experience with or familiarity with post-quantum cryptography. 

• Contributions to open-source security tools or frameworks. 

• Track record of publications, contributi