{"id":1155753,"url":"https://alion.io/job/blacksmith-head-of-capacity","title":"Head of Capacity","company":{"id":19767,"name":"Blacksmith","domain":"blacksmith.sh","url":"https://alion.io/company/blacksmith-sh","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":87,"open_postings":15,"ghost_share":0.133,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":161,"computed_at":"2026-10-25T05:49:26Z"}},"role":"Leadership","role_family":"Leadership","seniority":"head","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 Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":241000,"max_usd":452000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":2576},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"GitHub Actions","optional":false},{"name":"Zapier","optional":false}],"status":"live","first_seen_at":"2026-06-01T20:38:19Z","employer_posted_date":"2026-06-01","last_verified_at":"2026-10-26T01:04:09Z","board_verified":true,"closed_at":null,"days_open":146,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":145},"description":"About Blacksmith\nWe started by building infrastructure to run CI workloads really fast. Our first product helps companies run GitHub Actions substantially faster and cheaper by owning and operating our own global fleet of bare-metal machines rather than renting generic cloud VMs.\n\nToday, we orchestrate tens of millions of Firecracker VMs each week, running CI for 7,000+ companies and tens of millions in ARR. We’ve grown 10x so far in 2026.\n\nWe operate thousands of bare-metal machines across multiple regions, regularly schedule 100k+ vCPUs concurrently, and run a petabyte-scale Ceph cluster that we manage ourselves.\n\nWe’ve raised $58.5M from Seed to Series B, led by Google Ventures (GV) & Peak XV Partners, and we’re intentionally building a small, but exceptional team.\n\nBlacksmith was founded by a team with deep systems and scaling experience, including building search/ads infrastructure at Faire, and operating large distributed systems at Cockroach Labs. Our GTM is led by Jon Boyer, formerly Head of Sales at Zapier.\n\nWe're now extending the same CI infrastructure into a broader platform: running agent sandboxes at scale and building our own background coding agent on top of it.\n\nAbout the Role\nBlacksmith's infrastructure footprint is growing rapidly.\nEvery quarter, we make decisions around servers, storage, networking, datacenter capacity, power, and geographic expansion. As demand for software validation grows, ensuring that capacity is available when and where we need it becomes increasingly important.\nWe're looking for someone to own this problem.\nYou'll work directly with the founders and infrastructure team to forecast demand, plan capacity growth, manage supplier relationships, and ensure Blacksmith can scale ahead of customer demand.\nYour job is simple to describe but difficult to execute: Make sure Blacksmith never runs out of capacity.\nWhat You'll Do\nOwn capacity planning across compute, storage, networking, and datacenter infrastructure.\n\nBuild forecasting models for infrastructure demand and growth.\n\nPartner with engineering to understand future workload requirements.\n\nDevelop deployment plans across regions and datacenter partners.\n\nManage relationships with hardware vendors, datacenter providers, and infrastructure suppliers.\n\nLead hardware procurement and infrastructure expansion efforts.\n\nEvaluate new suppliers, hardware platforms, and deployment opportunities.\n\nTrack utilization and ensure infrastructure investments are deployed efficiently.\n\nBuild processes and systems that allow Blacksmith to scale from thousands of servers to many times that number.\n\nYou Are a Good Fit If You\nHave experience operating large-scale infrastructure, cloud, hosting, networking, or datacenter environments.\n\nHave experience with capacity planning, forecasting, or infrastructure operations.\n\nCan balance long-term planning with day-to-day operational realities.\n\nAre highly analytical and comfortable making decisions under uncertainty.\n\nHave strong vendor management and negotiation skills.\n\nCan work effectively with both technical and business stakeholders.\n\nEnjoy solving operational problems at scale.\n\nWant to work closely with founders on company-critical infrastructure decisions.\n\nEnjoy working in person 5 days a week in SF/NYC.\n\nBonus\nExperience at a hyperscaler, cloud provider, hosting company, CDN, or infrastructure startup.\n\nExperience procuring servers, networking equipment, storage, or datacenter capacity.\n\nExperience managing infrastructure supply chains.\n\nExperience with power planning, datacenter operations, or colocation providers.\n\nExperience scaling infrastructure through periods of hypergrowth.\n\nWhat Success Looks Like\nWithin your first year:\nBlacksmith has a clear, data-driven capacity planning process.\n\nInfrastructure growth is forecasted quarters ahead of demand.\n\nHardware procurement and deployment timelines are predictable.\n\nVendor and datacenter relationships are strong and scalable.\n\nLeadership has visibility into future capacity constraints before they become operational issues.\n\nBlacksmith can confidently scale infrastructure without becoming constrained by supply, deployment timelines, or planning failures.\n\nCompensation and benefits\nMedical, Vision, and Dental insurance.\n\nCompetitive base + equity.\n\n401K match.\n\nUnlimited PTO.\n\nAnnual offsite.\n\nEarly-exercise stock options\n\n12 weeks fully paid parental leave (US)","description_format":"text","description_chars":4413,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["401k plan","Dental insurance","Equity","Parental leave","Stock options","Unlimited PTO"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["DevOps & Platform Engineering","Cloud Platforms (IaaS & PaaS)"],"lifecycle":[{"event":"open","at":"2026-09-23T21:29:04Z"}],"visa":[],"liveness":{"score":49,"band":"ok","label":"Likely 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