Senior Vulnerability Researcher

Two-Six-Technologies; Fairfax (VA); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

medical insurance

dental insurance

vision insurance

life insurance

disability insurance

retirement benefits

paid leave

tuition assistance

professional development

Job summary

Two Six Technologies is seeking a Senior Vulnerability Researcher to lead reverse engineering of wireless and embedded systems in our Herndon, VA office. You will analyze firmware, develop PoC exploits, and collaborate with cross-functional teams of developers and hardware engineers on complex security challenges.

Ideal candidates bring deep reverse engineering experience, strong C/C++ and Python skills, and familiarity with IDA Pro, Binary Ninja, or Ghidra. A TS/SCI eligibility is preferred.

Qualifications

• Bachelor's degree in Computer Science, Computer/Electrical Engineering, or related field, or equivalent practical experience.
• Experience in C/C++ and Python under Linux for reverse engineering and vulnerability research.
• Experience with reverse engineering and vulnerability research using IDA Pro, Binary Ninja, or Ghidra.
• Expertise in firmware analysis, emulation, fuzzing, and exploit development.
• Knowledge of wireless protocols and network fundamentals (TCP/IP, UDP, HTTP).
• Ability to work daily in the Herndon, Virginia office.

Responsibilities

• Serve as a senior technical contributor to reverse engineering of wireless and embedded systems.
• Develop proof-of-concept exploits for discovered vulnerabilities.
• Analyze firmware, protections, and wireless protocols to uncover flaws.
• Develop and utilize custom tools to analyze binaries.
• Collaborate with developers, researchers, and hardware engineers in a fast-paced team.
• Solve complex technical challenges with no predefined solutions.

Skills

C/C++

Python

Linux

Low-level programming

Reverse engineering

Exploit development

Wireless protocols

Memory analysis

Team collaboration

Education

Bachelor's degree in CS/CE or related

Tools

IDA Pro

Binary Ninja

Ghidra

QEMU

Job description

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.

Overview of Opportunity

Join the Trusted Electronics & Effects team at Two Six Technologies in Herndon, Virginia, where we push the boundaries of software and firmware reverse engineering to uncover vulnerabilities in wireless and embedded systems. As part of our elite team of security researchers, you’ll work alongside CNO developers and hardware engineers, conducting cutting‑edge vulnerability research on complex, real-world targets.

Our government customers rely on us to deliver mission‑critical security solutions, and we’re looking for a Senior Vulnerability Researcher who thrives on reverse engineering embedded systems, discovering security weaknesses, and developing innovative proof‑of‑concept exploits. If you’re passionate about wireless security, embedded firmware analysis, and making an impact on national security, we want you on our team.

What You’ll Do:

• Serve as a senior technical contributor to the reverse engineering of wireless and embedded systems, identifying vulnerabilities and assessing their security impact.
• Develop proof‑of‑concept exploits for discovered vulnerabilities following DevOps best practices for keeping code bases organized and maintainable.
• Analyze firmware, software protections, and wireless protocols to uncover security flaws.
• Utilize and develop custom tools to analyze and manipulate software/firmware binaries.
• Collaborate closely with CNO developers, vulnerability researchers, and hardware engineers in a fast‑paced, small‑team environment.
• Solve complex technical challenges with no predefined solutions.

What You’ll Need (Basic Qualifications):

• Bachelor’s (or higher) degree in Computer Science, Computer/Electrical Engineering, or a related field (or equivalent practical experience).
• Experience developing, debugging, and scripting in C/C++ and Python within Linux command‑line environments, with a strong emphasis on low‑level programming, memory management, and system interaction for reverse engineering and vulnerability research.
• Experience with reverse engineering and vulnerability research, using tools such as IDA Pro, Binary Ninja, or Ghidra.
• Expertise in one or more of the following:
• Firmware analysis (ARM, MIPS, PowerPC, RTOS).
• Firmware rehosting using emulation tools such as QEMU
• Fuzzing and exploit development.
• Binary obfuscation and anti‑analysis techniques.
• Wireless protocols and radio signal analysis.
• File system forensics and fault injection frameworks.
• Knowledge of common network protocols TCP/IP, UDP, or HTTP
• Ability to work in the Herndon, Virginia office daily.

Nice if you have:

• Experience conducting vulnerability research on embedded systems
• Experience with defeating modern migrations such as ASLR, DEP, and Stack Canaries
• Knowledge of cellular standards such as 4G or 5G
• Knowledge of low bandwidth communications such as RS485, RS232, CAN
• Knowledge of Wifi, Bluetooth, Zigbee communication
• Previous experience in a client‑facing technical role

Clearance Requirement:

• Active US Security clearance of Top Secret level and ability to obtain and maintain TS/SCI

#LI-ZS1

#LI-ONSITE

Two Six Technologies is committed to providing competitive and comprehensive compensation packages that reflect the value we place on our employees and their contributions. We believe in rewarding skills, experience, and performance. Our offerings include but are not limited to:

• medical, dental, and vision insurance
• life and disability insurance
• retirement benefits
• paid leave
• tuition assistance
• professional development

The projected salary range listed for this position is annualized. This is a general guideline and not a guarantee of salary. Salary is one component of our total compensation package and the specific salary offered is determined by various factors, including, but not limited to education, experience, knowledge, skills, geographic location, as well as contract specific affordability and organizational requirements.

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. For more information review the Two Six TechnologiesEqual Employment Opportunity and Aff…

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 [e-mail] . 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.