Principal Vulnerability Researcher

Zetier, Inc.; Arlington (TX); On-site; USD 180,000 - 240,000; Full time

Job summary

Zetier, Inc. is seeking a Principal Vulnerability Researcher to analyze malicious software and develop operational cyber capabilities. Candidates will demonstrate practical experience designing, developing, and deploying tools intersecting command and control, persistence, and networking.

The role requires deep expertise in reverse engineering, assembly languages, scripting with Python, and experience with debugging and decompiling tools. A U.S. security clearance is required.

Qualifications

• Must have strong reverse engineering experience.
• Proficient with reading x86/x86-64/ARM assembly.
• Experience using debugging/decompiling tools (gdb, Binja, IDA Pro).
• Ability to obtain and maintain a U.S. security clearance.

Skills

Reverse engineering (C/C++)

Assembly languages (x86/x86-64/ARM)

Python scripting

Debuggers/Decompilers (gdb, Binja, IDA

Security clearance (US)

Tools

gdb

Binja

IDA Pro

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.