Liftoff Jobs

A curated index of open roles at top-tier AI companies.

Staff AI infrastructure jobs

Last updated 4 days ago

91 open staff AI infrastructure roles at 9 AI companies, including Fireworks AI, Modal and RadixArk. Updated daily; 1 was posted this week.

91 open Sort: newest · highest comp · company A–Z Group by company
  1. Member of Technical Staff, Data Platform — Fireworks AI · Series D · San Mateo, CA · $220K–300K · 4 days agonew
  2. Staff Security Engineer — fal · Series D · San Francisco, CA · $180K–250K · last week
  3. Member of Technical Staff, Data Infrastructure — Fireworks AI · Series D · San Mateo, CA · $175K–220K · last week
  4. Member of Technical Staff, Robotics Data — xDOF · Series B · San Francisco, CA · $180K–250K · last week
  5. Member of Technical Staff - Security — Sail Research · Series A · San Francisco, CA · 2 weeks ago
  6. Principal Red Team Operator — Armadin · Series B · Palo Alto, CA · 2 weeks ago
  7. Member of Technical Staff, Traffic Infrastructure — Fireworks AI · Series D · San Mateo, CA · $175K–220K · 2 weeks ago
  8. Member of Technical Staff, Vision/Language Research — xDOF · Series B · San Francisco, CA · $200K–330K · 3 weeks ago
  9. Member of Technical Staff, Robotics Infrastructure — xDOF · Series B · San Francisco, CA · $180K–300K · 3 weeks ago
  10. (Staff / Senior Staff) AI Inference Reliability Engineer, Compute Infra — Together AI · Seed · San Francisco, CA · $250K–320K · 3 weeks ago
  11. Member of Technical Staff - Clusters — Sail Research · Series A · San Francisco, CA · 3 weeks ago
  12. Member of Technical Staff - Platform — Armadin · Series B · Palo Alto, CA · 4 weeks ago
  13. Staff Software Engineer - AI Compute, Together Cloud — Together AI · Seed · Amsterdam, NL · 4 weeks ago
  14. Member of Technical Staff - Storage (Stockholm) — Modal · Series D · Stockholm, SE · SEK 120,000–150,000/month · 4 weeks ago
  15. Principal/Senior Forward Deployed Engineer — fal · Series D · San Francisco, CA · $180K–250K · 5 weeks ago
  16. Member of Technical Staff, Robotics System Integration — xDOF · Series B · San Francisco, CA · $180K–300K · 5 weeks ago
  17. Member of Technical Staff, Developer Experience — Fireworks AI · Series D · San Mateo, CA · $200K–290K · 5 weeks ago
  18. Member of Technical Staff - SDK (Stockholm) — Modal · Series D · Stockholm, SE · SEK 100,000–150,000/month · 5 weeks ago
  19. Member of Technical Staff - Frontend — Armadin · Series B · Palo Alto, CA · 5 weeks ago
  20. Member of Technical Staff - Distributed Systems — Armadin · Series B · Palo Alto, CA · 5 weeks ago
  21. Member of Technical Staff - Agent — Armadin · Series B · Palo Alto, CA · 5 weeks ago
  22. Member of Technical Staff - Inference Runtime — Modal · Series D · San Francisco, CA · $220K–300K · 5 weeks ago
  23. Member of Technical Staff - Monetization — Sail Research · Series A · San Francisco, CA · 6 weeks ago
  24. Staff Software Engineer - AI Compute, Together Cloud — Together AI · Seed · San Francisco, CA · $260K–300K · 7 weeks ago
  25. Member of Technical Staff - Machines — Modal · Series D · San Francisco, CA · $250K–300K · 7 weeks ago
  26. Member of Technical Staff, Data — Fireworks AI · Series D · San Mateo, CA · $180K–270K · 8 weeks ago
  27. Member of Technical Staff — Security — RadixArk · Seed · Palo Alto, CA · 8 weeks ago
  28. Staff Engineer, Distributed Storage and HPC & AI Infrastructure — Together AI · Seed · Amsterdam, NL · 2 months ago
  29. Member of Technical Staff, New Grad (BS/MS) — Fireworks AI · Series D · San Mateo, CA · $160K–180K · 2 months ago
  30. Member of Technical Staff, Systems Infrastructure (2026 PhD New Grad) — Fireworks AI · Series D · San Mateo, CA · $200K–230K · 2 months ago
  31. Member of Technical Staff, Research Engineer — xDOF · Series B · San Francisco, CA · $180K–300K · 2 months ago
  32. Member of Technical Staff (EMEA) — Fireworks AI · Series D · London, UK · 2 months ago
  33. Member of Design Staff - Brand — Modal · Series D · New York, NY · $160K–225K · 2 months ago
  34. Member of Technical Staff - Sailboxes — Sail Research · Series A · San Francisco, CA · 3 months ago
  35. Member of Technical Staff, Robotics Control (Whole Body Control) — xDOF · Series B · San Francisco, CA · $180K–300K · 3 months ago
  36. Staff Software Engineer, Inference / Compute Infrastructure Engineering London or Amsterdam — Together AI · Seed · London, UK · 3 months ago
  37. Senior or Staff Software Engineer, Inference / Compute Infrastructure Engineering — Together AI · Seed · India · 3 months ago
  38. Senior or Staff Software Engineer, Inference / Compute Infrastructure Engineering — Together AI · Seed · Amsterdam, NL · 3 months ago
  39. Member of Technical Staff, AI Infrastructure Reliability — Fireworks AI · Series D · San Mateo, CA · $200K–290K · 3 months ago
  40. Senior/Staff Software Engineer, Network Infrastructure — fal · Series D · Remote (US) · $180K–250K · 3 months ago
  41. Managing Principal, Red Team Operator — Armadin · Series B · Palo Alto, CA · 3 months ago
  42. Member of Technical Staff, Enterprise Foundations — Fireworks AI · Series D · New York, NY · $165K–240K · 3 months ago
  43. Member of Technical Staff, Research — Fireworks AI · Series D · San Mateo, CA · $210K–320K · 3 months ago
  44. Member of Technical Staff — Inference-Multi-Hardware — RadixArk · Seed · Palo Alto, CA · $200K–400K · 3 months ago
  45. Member of Technical Staff, Nexus — Fireworks AI · Series D · San Mateo, CA · $200K–290K · 4 months ago
  46. Member of Technical Staff, AI Training Infrastructure — Fireworks AI · Series D · San Mateo, CA · $210K–320K · 4 months ago
  47. Member of Technical Staff — Developer Experience — RadixArk · Seed · Palo Alto, CA · $200K–400K · 4 months ago
  48. Member of Technical Staff — Developer Technology — RadixArk · Seed · Palo Alto, CA · $200K–400K · 4 months ago
  49. Member of Technical Staff, Applied Machine Learning Engineer, Singapore — Fireworks AI · Series D · Singapore, SG · SGD 150,000–191,000/year · 4 months ago
  50. [Junior / Senior / Staff] Software Engineer, Inference / Compute Infrastructure Engineering — Together AI · Seed · San Francisco, CA · $160K–280K · 4 months ago

See all 91 staff AI infrastructure roles →

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