Principal Vulnerability Researcher

New York, NY Until 9/21/2026 First posted July 23, 2026 Last posted July 23, 2026
Job description

Principal Vulnerability Researcher

Zetier is seeking Principal Vulnerability Researchers to analyze and counter malicious software and develop operationally critical cyber capabilities. Candidates will demonstrate practical experience designing, developing, and deploying tools intersecting command and control, persistence, and networking.

Required:

  • Highly experienced with reverse engineering compiled programs (C/C++)
  • Highly experienced in reading common assembly languages (x86, x86-64, ARM)
  • Experience developing in scripting languages (Python)
  • Experience with debuggers and decompilers (gdb, Binja, IDA Pro)
  • Ability to obtain and maintain a U.S. security clearance

Desired:

  • Experience developing/defeating mitigations (ASLR, DEP, N^X)
  • Developed defeats of common anti-RE techniques (obfuscation)
  • Detailed understanding of embedded platforms (FPGA, physical memory)
  • Securely implemented cryptographic primitives (AES-GCM, SHA256, ECDSA)
  • Experience with program analysis tools and techniques (control flow, program slicing, taint tracing)
  • Effective use of automated analysis (fuzzers, emulation, sandbox)
  • Deep knowledge of file systems and formats (ELF, PE, Mach-O)
  • Effective communication with customers and teammates
  • Experience developing proof-of-concept exploits
  • Active U.S. security clearance

Zetier is proud to be an Equal Opportunity Employer. We celebrate diversity and do not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status or any other basis protected by law. All employment is decided on the basis of merit, qualifications, and business need.

About this role

Summary

Analyze malicious software, develop cyber capabilities, and create security tools.

Job title

Principal Vulnerability Researcher

Experience level

senior level

Industry

cybersecurity

Location requirements

New York, NY, on-site only

Salary

Not specified

Management role

No

Skills & keywords

Required skills

C/C++assembly languagesPythongdbIDA Pro

Preferred skills

mitigationsanti-RE techniquesembedded platformscryptographic primitivesprogram analysisautomated analysisfile systemsexploits

Specializations

reverse engineeringassembly languagesscripting languagesdebuggers
Locations

Structured locations inferred from the posting.

New York, NY, USA

On-site City