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Zetier · 3 days ago

Principal Vulnerability Researcher

Arlington, VA

Full-time

Onsite

Lead/Staff

Zetier is seeking Principal Vulnerability Researchers to analyze and counter malicious software and develop operationally critical cyber capabilities. The role involves designing, developing, and deploying tools related to command and control, persistence, and networking.

Cloud ComputingCyber SecurityDatabaseTechnical Support

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

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

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

Qualification

Reverse engineering (C/C++)Assembly languages x86Assembly languages x86-64Assembly languages ARMScripting (Python)DebuggersDecompilersMitigation developmentEmbedded platformsCryptographic primitivesProgram analysis toolsAutomated analysisFile systems knowledgeProof-of-concept exploitsU.S. security clearanceEffective communication