Principal Vulnerability Researcher

Zetier; San Antonio (TX); On-site; USD 100,000 - 150,000; Full time

Job summary

A leading cybersecurity firm in San Antonio is looking for a Principal Vulnerability Researcher to analyze and counter malicious software while developing critical cyber capabilities. Candidates must have experience in reverse engineering and scripting, with skills in debuggers and decompilers. A U.S. security clearance is required. This role focuses on enhancing the company's operational capabilities against cyber threats and engaging with teammates and customers effectively.

Qualifications

• Highly experienced with reverse engineering compiled programs (C/C++).
• Ability to obtain and maintain a U.S. security clearance.
• Experience developing proof-of-concept exploits.

Responsibilities

• Analyze and counter malicious software.
• Develop operationally critical cyber capabilities.

Skills

Reverse engineering compiled programs (C/C++)

Reading common assembly languages (x86, x86-64, ARM)

Developing in scripting languages (Python)

Using debuggers and decompilers (gdb, Binja, IDA Pro)

Effective communication with customers and teammates

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.