{"id":3307569,"url":"https://alion.io/job/sigintzero-senior-smart-contract-auditor","title":"Senior Smart Contract Auditor","company":{"id":4476814,"name":"SigIntZero","domain":"sigintzero.com","url":"https://alion.io/company/sigintzero","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Schema","truth_index":{"grade":"B","score":75,"open_postings":5,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-27T05:46:45Z"}},"role":"Web3","role_family":"Web3","seniority":"senior","employment_type":"contractor","work_mode":"remote","remote_scope":"unspecified","remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":139000,"max_usd":226000,"period":"year","method":"global_role_seniority_cell","sample_n":37},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Echidna","optional":false},{"name":"Foundry","optional":false},{"name":"Mythril","optional":false},{"name":"Slither","optional":false},{"name":"Smart Contracts","optional":false},{"name":"Solidity","optional":false},{"name":"Threat Modeling","optional":false},{"name":"Bridge","optional":true},{"name":"Certora","optional":true},{"name":"Ethereum","optional":true},{"name":"Halmos","optional":true}],"status":"live","first_seen_at":"2026-02-01T00:00:00Z","employer_posted_date":"2026-02-01","last_verified_at":"2026-10-27T07:08:40Z","board_verified":true,"closed_at":null,"days_open":268,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":268},"description":"Senior Smart Contract Auditor\nACTIVEWe are looking for an experienced smart contract auditor to join our core security team. You will lead end-to-end audit engagements, from scoping and threat modeling through manual review, fuzzing, and final report delivery. You will work directly with protocol teams to identify critical vulnerabilities and help remediate them before deployment.\nLooking for an audit rather than a role? We provide manual smart contract audits for Solidity and EVM protocols. See our smart contract audit services.\nType\nFull-time\nLocation\nRemote\nClearance\nOpen\nRequirements\n3+ years of Solidity auditing experience\nDeep understanding of EVM internals and common vulnerability patterns\nExperience with static analysis tools (Slither, Mythril) and fuzzing frameworks (Foundry, Echidna)\nTrack record of high/critical findings in production protocols\nStrong written communication for audit reports\nNice to Have\nFormal verification experience (Certora, Halmos)\nExperience auditing L2 or cross-chain bridge contracts\nPublished security research or CVEs\nCompetitive audit platform rankings (Code4rena, Sherlock)\nApply Now","description_format":"text","description_chars":1135,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Smart Contracts & Security","Cryptocurrencies","Blockchain & Crypto"],"lifecycle":[{"event":"open","at":"2026-10-27T02:07:05Z"}],"visa":[],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.172,"p_room":0.28,"age_days":268,"expected_fill_days":30,"reasons":["conf:3","win:tail","crowd:"],"computed_at":"2026-10-27T05:46:45Z"},"pay":null,"html_url":"https://alion.io/job/sigintzero-senior-smart-contract-auditor","json_url":"https://alion.io/job/sigintzero-senior-smart-contract-auditor.json","meta":{"generated_at":"2026-10-27T11:50:01Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":14057,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-28T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":4476814},"rest":"https://alion.io/mcp/rest/get_company?id=4476814"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsigintzero-senior-smart-contract-auditor"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fsigintzero-senior-smart-contract-auditor"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fsigintzero-senior-smart-contract-auditor"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/sigintzero-senior-smart-contract-auditor\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsigintzero-senior-smart-contract-auditor"}]}