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Two Six Technologies

Defense-focused tech firm delivering cyber solutions

Vulnerability Researcher

Offensive Security & TestingConfirmed live in the last 24 hours
Full-timeHerndon, VA, USA$112.3k - $168.4k /yr

About the Job

Requirements

  • A bachelor's degree or higher in Computer Science, Computer Engineering, 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 an 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 areas: firmware analysis (ARM, MIPS, PowerPC, or 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; or file system forensics and fault injection frameworks.
  • Knowledge of common network protocols such as TCP/IP, UDP, or HTTP.
  • Ability to work in the Herndon, Virginia office daily.
  • Eligibility to obtain and maintain a U.S. Security clearance at the TS/SCI level.

Responsibilities

  • Serve as a 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 to keep codebases organized and maintainable.
  • Analyze firmware, software protections, and wireless protocols to uncover security flaws.
  • Use and develop custom tools to analyze and manipulate software and firmware binaries.
  • Collaborate with CNO developers, vulnerability researchers, and hardware engineers in a fast-paced, small-team environment.
  • Solve complex technical challenges with no predefined solutions.

Desired Qualifications

  • Experience conducting vulnerability research on embedded systems.
  • Experience defeating modern mitigations 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, or CAN.
  • Knowledge of Wi-Fi, Bluetooth, or Zigbee communication.
  • Previous experience in a client-facing technical role.
  • Active Top Secret clearance preferred.

About the Company

Two Six Technologies

Defense-focused tech firm delivering cyber solutions

Two Six Technologies delivers advanced defense-focused tech through rapid R&D in cybersecurity, information operations, data science, electronic systems, mobility, and user experience for U.S. national security clients. Its products and services are built via project-based government contracts, creating custom tools (such as Pulse) tailored to mission needs. The company differentiates itself through direct government partnerships, interdisciplinary expertise, and a focus on delivering mission-ready, actionable solutions rather than generic tech. Its goal is to provide technological superiority for the United States and its partners by enabling rapid, impactful innovation that strengthens national security and defense capabilities.

Company size
501-1,000
Company stage
Early VC
Total funding
$67.9M
Headquarters
Arlington County, VA
Founded
2021

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