Senior Vulnerability Researcher (5G & Protocol Security)

Job description

Job Title: Senior Vulnerability Researcher (5G & Protocol Security) Job Category: Engineering: Time Type: Full time: Minimum Clearance Required to Start: Top Secret Employee Type: Regular: Percentage of Travel Required: Up to 10% Type of Travel: Continental US: - * * The Opportunity: We are seeking a Senior Vulnerability Researcher with deep expertise in telecommunications security, 3GPP protocols, and advanced reverse engineering. This role is ideal for a specialist who thrives on technical ambiguity and enjoys probing the 5G stack for critical flaws. You’ll play a key role in evaluating the security and robustness of proprietary telecom systems—reverse-engineering "closed-box" binaries, developing stateful fuzzers, and uncovering vulnerabilities that contribute directly to national cybersecurity efforts. Responsibilities: Qualifications : Required : Desired : - Develop and deploy custom stateful fuzzers for 3GPP protocols (e.g., NGAP, HTTP/2, PFCP, GTP-U) to identify crashes and stability issues in the 5G Core. - Apply advanced binary analysis to reverse-engineer proprietary 5G baseband firmware and Network Function (NF) binaries where source code is unavailable. - Utilize concol...