{"id":2360137,"url":"https://alion.io/job/zetier-principal-vulnerability-researcher-2","title":"Principal Vulnerability Researcher","company":{"id":4424535,"name":"Zetier","domain":"zetier.com","url":"https://alion.io/company/zetier-2","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Breezy","truth_index":{"grade":"D","score":43,"open_postings":18,"ghost_share":0.944,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-06T05:58:05Z"}},"role":"Security","role_family":"Security","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Antonio, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":115000,"max_usd":237000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":453},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"IDA Pro","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-04-17T00:36:55Z","employer_posted_date":"2026-04-17","last_verified_at":"2026-11-06T03:48:42Z","board_verified":true,"closed_at":null,"days_open":203,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":203},"description":"Principal Vulnerability Researcher\nZetier is seeking Principal Vulnerability Researchers to analyze and\ncounter malicious software and develop operationally critical cyber\ncapabilities. Candidates will demonstrate practical experience\ndesigning, developing, and deploying tools intersecting command and\ncontrol, persistence, and networking.\nRequired:\nHighly experienced with reverse engineering compiled programs (C/C++)\nHighly experienced in reading common assembly languages (x86, x86-64, ARM)\nExperience developing in scripting languages (Python)\nExperience with debuggers and decompilers (gdb, Binja, IDA Pro)\nAbility to obtain and maintain a U.S. security clearance\nDesired:\nExperience developing/defeating mitigations (ASLR, DEP, N^X)\nDeveloped defeats of common anti-RE techniques (obfuscation)\nDetailed understanding of embedded platforms (FPGA, physical memory)\nSecurely implemented cryptographic primitives (AES-GCM, SHA256, ECDSA)\nExperience with program analysis tools and techniques (control flow, program slicing, taint tracing)\nEffective use of automated analysis (fuzzers, emulation, sandbox)\nDeep knowledge of file systems and formats (ELF, PE, Mach-O)\nEffective communication with customers and teammates\nExperience developing proof-of-concept exploits\nActive U.S. security clearance\nZetier is proud to be an Equal Opportunity Employer.\nWe celebrate diversity and do not discriminate on the basis of race,\nreligion, color, sex, gender identity, sexual orientation, age,\nnon-disqualifying physical or mental disability, national origin,\nveteran status or any other basis protected by law. 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