Comcast · 14 hours ago
Principal Penetration Tester
Philadelphia, PA
Full-time
Hybrid
Lead/Staff
$117K/yr - $225K/yr
10+ years expComcast is a Fortune 30 global media and technology company seeking an experienced Principal Penetration Tester to join their Penetration Testing Team. The role involves conducting various penetration tests, contributing to security infrastructure improvements, and mentoring junior team members in a collaborative environment.
InternetTelecommunicationsTVVideoWeb Hosting
Responsibilities
Perform vulnerability scanning and penetration testing across diverse systems, applications, technologies and environments
Identify program improvement opportunities and develop processes to mature and scale the Pen Testing program
Present thought leadership in new and emerging advanced security trends, vulnerabilities and attack techniques
Lead security research and development efforts and provide technical leadership
Develop remediation strategies and architect solution to challenging cybersecurity gaps
Execute application penetration tests for APIs, mobile SDKs, cloud environments and web applications from both open and closed-box perspectives
Analyze and prioritize findings based on the Common Vulnerabilities and Exposures (CVE) database, the Common Vulnerability Scoring System (CVSS) and internal Risk Rating system
Contribute to and maintain the team’s tools, labs, and attack infrastructure; actively share knowledge through internal wikis and repositories
Effectively communicate findings and recommendations to both technical and non-technical stakeholders, preparing comprehensive reports and presentations
Stay informed on the latest cybersecurity trends, techniques, and vulnerabilities by following industry publications and threat feeds
Qualification
Required
5+ years of experience in penetration testing with hands-on experience using tools like Burp Suite, Nmap, Metasploit, Nessus etc
Advanced proficiency in cloud platforms - AWS, GCP, Azure and mobile app security testing
Stay current with emerging threats and techniques in AI/ML security
Complete understanding of the OWASP Top 10, CVSS, and CVE databases
Bachelor's Degree
10 Years +
Preferred
Extensive experience in strategic planning and executing large-scale, enterprise-wide security initiatives to address complex security challenges
Proven experience in leading security research and development initiatives. Contributions such as research publications, CVEs, CTF participation, and conference presentations are considered valuable additions
Demonstrated ability to work independently on complex assessments while collaborating with cross-functional teams
Proven expertise in mentoring and providing guidance to junior team members
Strong scripting experience with Python, Bash, Ruby, C/C++, C#, or Java to automate testing processes and streamline remediation
Strong analytical, problem-solving, and communication skills, with attention to detail and a proactive mindset
Strong presentation skills
Certifications such as: OSCP, OSWA, OSWE or similar
Benefits
Medical & Dental
401(k) Savings Plan
Generous paid time off
Life Milestones - from adoption assistance, childcare resources, pet insurance, and more, Comcast supports you at all life stages.
Courtesy Services - We offer all of our full-time employees in serviceable areas free digital TV and internet.
Discount tickets for Universal Resorts, including theme park tickets and onsite hotel rooms.
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 (551)
2024 (566)
2023 (633)
2022 (751)
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
2025-12-26
Sports Business Journal
2025-12-25
Company data provided by crunchbase