{"id":126170,"url":"https://alion.io/job/mysten-labs-staff-security-engineer-walrus","title":"Staff Security Engineer, Walrus","company":{"id":47448,"name":"Mysten Labs","domain":"mystenlabs.com","url":"https://alion.io/company/mysten-labs","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Security","role_family":"Security","seniority":"staff","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":180000,"max":264000,"currency":"USD","period":"year","gross":null,"usd_annual":264000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-08-13T23:58:50Z","employer_posted_date":"2026-08-13","last_verified_at":"2026-10-19T02:56:53Z","board_verified":true,"closed_at":null,"days_open":66,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":66},"description":"Mysten Labs believes that decentralized and open protocols are the bedrock of the internet of value. This is why at Mysten Labs, we are creating foundational infrastructure to accelerate the adoption of decentralized protocols based on blockchain technologies.\nThe Role:\nWe are hiring a Staff Security Engineer to act as the primary security partner for the Walrus team, providing deep architectural guidance and embedding security practices throughout the development lifecycle, starting from the design phase.\nWhat You'll Do:\nLead security assessments for new Walrus features while also contributing to security initiatives across the broader Mysten ecosystem, identifying systemic risks and providing actionable remediation plans for complex architectural challenges.\n\nDrive a \"security-by-design\" culture, ensuring that security considerations are front-and-center before code is written, within Walrus and the wider Mysten organization.\n\nLeverage AI-driven tools and advanced automation to identify and remediate low-hanging fruit, allowing the team to focus on high-impact, complex security research.\n\nMaintain a generalist security perspective, providing strategic oversight on broader infrastructure and product security issues as they impact Walrus and beyond.\n\nCollaborate with engineering leadership to prioritize security roadmap items, balancing feature velocity with the security posture of the platform.\n\nMentor senior and junior engineers, setting technical direction for security standards and establishing best practices across the engineering organization.\n\nWhat You'll Have:\nMinimum Qualifications\nBachelor’s or Master’s degree in Computer Science, Computer Engineering, or equivalent experience.\n\n8+ years of industry experience in security engineering, with a proven track record of operating at a Staff (E6) level or equivalent.\n\nExtensive experience as a security generalist, capable of navigating infrastructure, application, and cryptographic security domains.\n\nStrong proficiency in building, deploying, and managing automated security tooling; demonstrated history of using AI/ML or advanced static/dynamic analysis to improve security outcomes at scale.\n\nDeep expertise in collaborating with engineering teams during the design phase to proactively identify and mitigate high-risk design flaws.\n\nExcellent communication skills, with the ability to influence technical direction and lead cross-functional security initiatives.\n\nWhat You'll Have\nPreferred Qualifications\nTechnical understanding of decentralized storage, distributed systems, or the Web3 stack (prior experience is a plus, not a requirement).\n\nExperience leading security-focused transformations or implementing security-by-design frameworks in high-growth engineering environments.\n\nAbility to balance tactical, hands-on security work with strategic long-term planning and leadership.\n\nEmployment is contingent upon the successful completion of a background check, which may include verification of employment history, education credentials, criminal history, and other relevant information.\nRegarding the recent rash of technology job scams: Be aware that emails from genuine Mysten Labs group recruiters will always come from the @ mystenlabs.com domain or related subdomains (e.g., mystenlabs.com/careers). Remember: you can always verify positions on our job boards at www.mystenlabs.com/careers.\nTo support an efficient and fair hiring process, we may use technology-assisted tools, including artificial intelligence (AI), to help identify and evaluate candidates. All hiring decisions are ultimately made by human reviewers.\nOur team is remote first and we are hiring across the world. Here at Mysten Labs, you’ll be joining a world-class team with tremendous growth potential as we bring the next billion users to web3. We raised a $300M Series B round from top Silicon Valley led venture funds like Jump Crypto, Andreessen Horowitz (a16z), Binance Labs, Redpoint, Lightspeed, Coinbase Ventures, Electric Capital, Standard Crypto, NFX, Slow Ventures, Scribble Ventures, Samsung Next, Lux Capital, among other investment firms and strategic partners. Come join us and build the future of web3!","description_format":"text","description_chars":4193,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Blockchain & Crypto","Blockchain Infrastructure"],"lifecycle":[{"event":"open","at":"2026-08-13T23:58:50Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 3 · green card filings: 1","filings_12m":3,"filings_prev_12m":5,"green_card_filings_12m":1,"median_offered_wage_usd":226250,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":20,"band":"cold","label":"Long shot","p_open":1,"p_active":0.45,"p_room":0.44,"age_days":64,"expected_fill_days":44,"reasons":["conf:0","velocity","win:tail","crowd:"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":264000,"is_top_pay":true},"html_url":"https://alion.io/job/mysten-labs-staff-security-engineer-walrus","json_url":"https://alion.io/job/mysten-labs-staff-security-engineer-walrus.json","meta":{"generated_at":"2026-10-19T04:19:00Z","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":2467,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-20T00:00:00Z"}},"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":47448},"rest":"https://alion.io/mcp/rest/get_company?id=47448"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmysten-labs-staff-security-engineer-walrus"},{"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%2Fmysten-labs-staff-security-engineer-walrus"},{"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%2Fmysten-labs-staff-security-engineer-walrus"},{"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/mysten-labs-staff-security-engineer-walrus\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmysten-labs-staff-security-engineer-walrus"}]}