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

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**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:**

+ Develop and deploy custom stateful fuzzers for 3GPP protocols...