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Agile Defense

Cybersecurity and IT services for government

Senior Vulnerability Researcher & Reverse Engineer

Offensive Security & TestingConfirmed live in the last 24 hours
Full-timeFort Meade, MD, USA$155k - $175k /yr

About the Job

Requirements

  • A Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or a related technical field, with 10+ years of related professional experience; alternatively, a Master's degree and 8+ years of related professional experience.
  • Proficiency with disassemblers or decompilers such as IDA Pro, Ghidra, and/or Binary Ninja.
  • Strong understanding of x86/x64/ARM assembly language and processor architectures.
  • Practical experience with debuggers such as WinDbg, GDB, and/or LLDB, and dynamic analysis tools.
  • Demonstrated capability discovering vulnerabilities in compiled software, including C, C++, or Rust applications.
  • Understanding of common vulnerability classes, including memory corruption, logic flaws, and race conditions.
  • Proficiency with fuzzing frameworks such as AFL, libFuzzer, and Honggfuzz, and corpus management.
  • Strong scripting skills in Python, Ruby, or a similar language for automation and analysis.
  • Experience documenting technical research for technical and operational audiences.
  • Active TS/SCI with Poly clearance.

Responsibilities

  • Perform technical analysis of target platforms, including discovery of zero-day vulnerabilities through fuzzing and code analysis.
  • Reverse engineer software applications, firmware, and hardware components using disassemblers, debuggers, and binary analysis tools.
  • Perform vulnerability discovery through automated fuzzing, manual code review, and dynamic and static analysis techniques.
  • Rapidly prototype proof-of-concept exploits to validate vulnerability findings and assess operational utility.
  • Analyze target system architectures, protocols, and security mechanisms to identify attack surfaces and weakness patterns.
  • Document vulnerability technical details, exploitation methodology, and recommended capability development approaches.
  • Provide technical intelligence briefs to capability developers on target system weaknesses and exploitation pathways.
  • Collaborate with capability development teams to translate vulnerability research into operational tools.
  • Maintain awareness of public vulnerability disclosures, exploit techniques, and adversary tradecraft relevant to target systems.
  • Apply offensive cyber domain expertise, including red- and purple-team operations, to develop and deliver mission-critical solutions.
  • Conduct limited temporary duty travel as mission requires.

About the Company

Agile Defense

Cybersecurity and IT services for government

Agile Defense provides IT and cybersecurity services to the U.S. Federal Government, including digital transformation, IT modernization, and a Virtual Security Operations Center (VSOC) to defend against cyber threats. Its services support national security and civilian missions across federal agencies, delivered through various contract vehicles. The company expands its capabilities through acquisitions (IntelliBridge and XOR Security) and focuses on AI-enabled workforce transformation and enterprise IT to enhance government operations. Unlike many suppliers, Agile Defense emphasizes a government-focused portfolio with a multidimensional VSOC and AI-driven workforce upgrades, positioning itself to meet federal security and modernization needs. The goal is to help federal agencies protect data and systems, modernize IT infrastructure, and improve cyber resilience across national security and civilian missions.

Company size
1,001-5,000
Company stage
Acquired
Total funding
Not listed
Headquarters
Reston, VA
Founded
1998

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