{"id":3720726,"url":"https://alion.io/job/rain-senior-security-engineer","title":"Senior Security Engineer","company":{"id":613,"name":"Rain","domain":"rain.xyz","url":"https://alion.io/company/rain","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":78,"open_postings":35,"ghost_share":0.286,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":77,"computed_at":"2026-11-06T05:58:05Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":200000,"max":260000,"currency":"USD","period":"year","gross":null,"usd_annual":260000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"AI Agents","optional":false},{"name":"Python","optional":false},{"name":"Rust","optional":false},{"name":"Smart Contracts","optional":false},{"name":"TypeScript","optional":false},{"name":"LLM","optional":true}],"status":"live","first_seen_at":"2026-11-03T22:13:56Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-07T01:01:17Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":2},"description":"About the Company\nRain is the global stablecoin payments platform for enterprises, neobanks, platforms, developers, and AI agents. Our technology allows partners to move, store, and use stablecoins instantly and compliantly through global payment cards, rewards, on/offramps, wallets, and cross-border rails. As both a Visa and Mastercard Principal Member, Rain issues cards that work at more than 175 million merchant locations in over 220 countries and territories. Built natively for stablecoins and trusted by more than 100 organizations worldwide, Rain delivers secure, scalable infrastructure that makes money move freely and instantly around the world.\nYou will have the opportunity to deliver massive impact at a hypergrowth company backed by some of the top investors in fintech, crypto, and SaaS. In January 2026, we closed a $250M Series C led by ICONIQ, valuing Rain at $1.95B, with Sapphire Ventures, Dragonfly, Bessemer Venture Partners, Galaxy Ventures, FirstMark, Lightspeed, Norwest, and Endeavor Catalyst also participating. If you're curious, bold, and excited to help shape a borderless financial future, we'd love to talk.\nOur Ethos\nWe believe in an open and flat structure. You will be able to grow into the role that most aligns with your goals. Our team members at all levels have the freedom to explore ideas and impact the roadmap and vision of our company.\nAbout the team & role\nSecurity at Rain protects a platform where real money moves every second, across cloud infrastructure, identity, endpoints, partner integrations and smart contracts. The team is small, senior and cross-functional, and it builds most of what it runs. Our engineers use AI agents for alert triage, investigation and response, and they design, tune and supervise those agents. Together we build Rain’s central systems for detection, response, sensors and threat intelligence, working directly with engineering, compliance and leadership.\nYou will secure the systems Rain builds next. The role spans the whole program: you will build security tooling and controls, harden our infrastructure and access, and take on the hardest problems as Rain expands into new products and chains.\nWhat you’ll do\nBuild central security systems and automation the whole company relies on\n\nSecure cloud infrastructure, identity and access across Rain’s growing footprint\n\nAssess new products, partners and vendors before launch, and guide the engineers building them\n\nBuild AI agents and tools that make security work faster and more accurate\n\nLead external security assessments and drive findings to verified fixes\n\nJoin the on-call rotation and support incident response\n\nWhat We’re Looking For\n5+ years in security engineering, including building tools and controls that run in production\n\nStrong coding skills in TypeScript, Go, Rust or Python\n\nExperience securing cloud infrastructure, identity and access\n\nAbility to find vulnerabilities, prove them, and drive the fix with the team that owns the code\n\nExperience at a fintech, payments or crypto company\n\nNice to have\nBlockchain security: smart contract review, onchain monitoring, custody and multisig controls\n\nAI security: securing LLM applications and agents, or building AI into security workflows\n\nExperience running external audits or a bug bounty program\n\nThings that enable a fulfilling, healthy and happy experience at Rain:\nUnlimited time off Unlimited vacation can be daunting, so we require Rainmakers to take 10 days minimum for themselves.\nFlexible working We support a flexible workplace, if you feel comfortable at home please work from home. If you’d like to work with others in an office feel free to come in. We want everyone to be able to work in the environment in which they are their most confident and productive selves. New Rainmakers will have a stipend to create a comfortable atmosphere at home.\nEasy to access benefits For US Rainmakers, we offer comprehensive health, dental and vision plans for you and your dependents, as well as a 100% company subsidized life insurance plan.\nRetirement goals Plan for the future with confidence. We offer a 401(k) with a 4% company match.\nEquity plan We offer every Rainmakers an equity option plan so we can all can benefit from our success.\nRain Cards We want Rainmakers to be knowledgeable about our core products and services. To support this mission, we issue a card for our team to utilize the card for testing.\nHealth and Wellness High performance begins from within. Rainmakers are welcome to use their card for eligible health and wellness spending like gym memberships/fitness classes, massages, acupuncture - whatever recharges you!\nTeam summits Summits play an important role at Rain! Time spent together helps us get to know each other, strengthen our relationships, and build a common destiny. Expect team and company offsites both domestically and internationally.","description_format":"text","description_chars":4888,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Flexible schedule","Gym membership","Life insurance","Retirement plans"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cards & Card Issuing","Cryptocurrencies","Crypto Payments","Stablecoins"],"lifecycle":[{"event":"open","at":"2026-11-04T02:32:55Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"H-1B filings in 12 months: 2","filings_12m":2,"filings_prev_12m":1,"green_card_filings_12m":0,"median_offered_wage_usd":120000,"route":null,"cap_exempt":false,"checked_at":"2026-11-06T22:30:08+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":0}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":77,"reasons":["conf:3","velocity","win:early"],"computed_at":"2026-11-06T05:58:05Z"},"pay":{"stated_usd_annual":260000,"is_top_pay":true},"html_url":"https://alion.io/job/rain-senior-security-engineer","json_url":"https://alion.io/job/rain-senior-security-engineer.json","meta":{"generated_at":"2026-11-07T04:54:27Z","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":11958,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-08T00:00:00Z"}},"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":613},"rest":"https://alion.io/mcp/rest/get_company?id=613"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Frain-senior-security-engineer"},{"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%2Frain-senior-security-engineer"},{"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%2Frain-senior-security-engineer"},{"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/rain-senior-security-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frain-senior-security-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3720726}},{"tool":"search_jobs","arguments":{"company":"rain.xyz","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3720726},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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