{"id":17768,"url":"https://alion.io/job/fluidstack-staff-detection-engineer","title":"Security Engineer, Threat Detection","company":{"id":716444,"name":"Fluidstack","domain":"fluidstack.com","url":"https://alion.io/company/fluidstack-2","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":92,"open_postings":212,"ghost_share":0.057,"stale_share":0,"repost_share":0.005,"time_to_fill_p50_days":60,"computed_at":"2026-11-01T06:10:25Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States","San Francisco, United States","Seattle, United States","Austin, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":224000,"max":344000,"currency":"USD","period":"year","gross":null,"usd_annual":344000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"GCP","optional":false},{"name":"HPC","optional":false},{"name":"Python","optional":false}],"status":"closed","first_seen_at":"2026-07-21T06:13:12Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-10-30T00:51:30Z","board_verified":false,"closed_at":"2026-10-30T00:51:30Z","days_open":100,"trust":{"level":"ok","repost_count":1,"flags":["company_stale"],"days_open":99},"description":"About Fluidstack\nWe exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it. \nWe're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI.\nWe hire people who care deeply about this problem space. If that is you, please apply!\nHow We Operate\nBe a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role.\n\nInsane urgency. We drive everything forward as fast as possible.\n\nReason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins.\n\nLove of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward.\n\nBuild something that actually matters. If you're going to spend your time, spend it on something that matters to the world.\n\nThe Security & Corp IT Team\nThe Security & Corp IT team protects the people, systems, and infrastructure behind the largest AI compute buildout in history.\nExamples of key problems the team is working on:\nBuild detection and response coverage across cloud (AWS/GCP/Azure), endpoint, and identity telemetry for a company whose attack surface spans corporate IT and gigawatt-scale data center infrastructure.\n\nRun incident response end to end, from first alert through containment, remediation, and postmortem, without a large SOC to fall back on.\n\nStand up detection-as-code pipelines so every detection is versioned, tested, and deployed like software rather than hand-edited in a console.\n\nHarden corp IT foundations (identity, device management, access) so security scales with headcount instead of lagging it.\n\nRole Scope\nBuild the detection engineering function from the ground up: telemetry pipelines, detection content, alert routing, and response runbooks, with coverage you can defend against a threat model, not just a tool checklist.\n\nOwn detection-as-code end to end, writing detections across cloud and endpoint sources with tests, version control, and CI so a bad rule never ships silently.\n\nLead incident response for high-severity events, driving containment and root cause, and closing out each incident with detections that catch the same class of attack next time.\n\nDrive automation of triage and enrichment in Python (or similar) so alert volume scales without proportional headcount.\n\nPartner directly with leadership on security strategy, translating threat landscape and detection gaps into a prioritized roadmap with clear tradeoffs.\n\nWork across corp IT and infrastructure teams to get the telemetry, logging, and access you need, and to fix the root causes your detections keep surfacing.\n\nWhat We're Looking For\nThe below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly,tell us where you would.\n8+ years in security operations, detection engineering, or incident response, with time spent at a high-growth tech company, cloud-native infrastructure provider, or top-tier MDR/threat intel firm.\n\nYou've built or scaled a detection engineering function, not just operated inside one: you can point to the program, the pipeline, and the coverage that exist because of you.\n\nDeep hands-on experience writing detections against cloud telemetry (AWS, GCP, or Azure control plane and audit logs) and endpoint telemetry (EDR event streams, OS-level signals).\n\nStrong scripting and automation skills in Python or similar, enough to build and maintain detection-as-code pipelines yourself rather than spec them for someone else.\n\nIncident response experience at a company operating at significant scale, where you led response under pressure and your postmortems changed how the company operates.\n\nYou operate as a technical lead without heavy management overhead: you set direction, make the calls, and do the work.\n\nYou work well across corp IT and infrastructure teams in a fast-moving environment, and you get telemetry and fixes shipped by making the case, not by escalating.\n\nBonus: experience securing GPU clusters, HPC environments, or physical data center infrastructure, or contributions to open-source detection content (Sigma, community rule sets).\n\nWe are committed to pay equity and transparency.\nFluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.\nYou will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email  with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.","description_format":"text","description_chars":5759,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Security Operations","Data Centers & Colocation","Cloud Platforms (IaaS & PaaS)","AI Compute & Inference"],"lifecycle":[{"event":"open","at":"2026-07-21T06:13:12Z"},{"event":"close","at":"2026-09-09T17:02:44Z"},{"event":"reopen","at":"2026-10-20T22:17:38Z"},{"event":"close","at":"2026-10-30T00:51:30Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 23","filings_12m":23,"filings_prev_12m":0,"green_card_filings_12m":0,"median_offered_wage_usd":248152,"route":null,"cap_exempt":false,"checked_at":"2026-10-29T16:27:21+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":3}],"liveness":null,"pay":{"stated_usd_annual":344000,"is_top_pay":true},"html_url":"https://alion.io/job/fluidstack-staff-detection-engineer","json_url":"https://alion.io/job/fluidstack-staff-detection-engineer.json","meta":{"generated_at":"2026-11-01T07:05:42Z","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":11066,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-02T00:00:00Z"}},"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":716444},"rest":"https://alion.io/mcp/rest/get_company?id=716444"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffluidstack-staff-detection-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%2Ffluidstack-staff-detection-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%2Ffluidstack-staff-detection-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/fluidstack-staff-detection-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffluidstack-staff-detection-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":17768}},{"tool":"search_jobs","arguments":{"company":"fluidstack.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":17768},"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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