At Two Six Technologies, we build, deploy, and implement innovative products that solve the world’s most complex challenges today. Through unrivaled collaboration and unwavering trust, we push the boundaries of what’s possible to empower our team and support our customers in building a safer global future.

Two Six Technologies is seeking a Principal Vulnerability Researcher with active Top Secret Clearance to join our team in Arlington, Virginia. The team is composed of intellectual individuals, passionate about cybersecurity research. The team is growing and looking for someone with a reverse engineering and vulnerability research background who understands how to transition those findings into capabilities to support national security missions. The team wants to talk to you if you are actively performing in-depth Linux-based reverse engineering!

Job Responsibilities & Duties

Collaborate with team to align capability development roadmaps and complete transfer of vulnerability research prototypes into production environments
Develop and implement cellular modem solutions, including hardware and software components
Work on system integration, signal processing algorithms, and optimization for various cellular standards (e.g., LTE, 5G)
Develop and maintain firmware for cellular modems
Reverse engineer cellular modem software to improve system security and performance
Conduct rigorous testing of modem systems to ensure reliability and performance
Troubleshoot and resolve complex technical issues related to cellular modems

Minimum Qualifications

Bachelor’s (or higher) degree in computer science, engineering, or a related field (solid knowledge in RE or VR may substitute for a specific degree)
Minimum 10 years of experience in embedded systems development using low-level programming languages (C/C++ and at least one assembly language)
Minimum 8 years of vulnerability research and reverse engineering experience working with common disassemblers/decompilers and reverse engineering tools (IDA, Ghidra, Binary Ninja)
Strong knowledge of cellular standards (LTE, 5G, etc.) and experience with modem chipset platforms
Active US Security clearance of Top Secret level and ability to obtain and maintain SCI
Must be willing to obtain and maintain a Polygraph clearance

Nice If You Have

Strong background in firmware development and debugging
Experience with RF systems and signal processing
Familiarity with network protocols and SIM/USIM card integration
Experience with certification processes for wireless device
Strong familiarity with cybersecurity principles and a strong interest in guiding program staff
Experience with software reverse engineering concepts: static analysis, dynamic analysis, fuzzing techniques creating intellectual capital, white papers, blogs, etc. to maintain existing and expand new business
Familiarity with building or securing embedded devices, other digital systems, and embedded binary reverse engineering (ARM, RTOS, etc.)
Previous experience in a client-facing technical role

Clearance Requirements:

Active US Security clearance of Top Secret level and ability to obtain and maintain SCI
Must be willing to obtain and maintain a Polygraph clearance

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Two Six Technologies is an Equal Opportunity Employer and does not discriminate in employment opportunities or practices based on race (including traits historically associated with race, such as hair texture, hair type and protective hair styles (e.g., braids, twists, locs and twists)), color, religion, national origin, sex (including pregnancy, childbirth or related medical conditions and lactation), sexual orientation, gender identity or expression, age (40 and over), marital status, disability, genetic information, and protected veteran status or any other characteristic protected by applicable federal, state, or local law.

If you are an individual with a disability and would like to request reasonable workplace accommodation for any part of our employment process, please send an email to [email protected]. Information provided will be kept confidential and used only to the extent required to provide needed reasonable accommodations.

Additionally, please be advised that this business uses E-Verify in its hiring practices.

EOE, including disability/vets.

By submitting the following application, I hereby certify that to the best of my knowledge, the information provided is true and accurate.

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