Liftoff Jobs

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

Weekly digest

Week of 23 March 2026

52 new roles this week across 17 companies; the biggest movers: Hark AI (+13), Saronic (+8), OpenAI (+7).

Research

  1. Member of Technical Staff, Multimodal — Hark AI · SF Bay Area · $180K–450K · 28 weeks ago Builds multimodal AI agents with speech, vision, and text that learn your preferences and proactively complete
  2. Member of Technical Staff, Multimodal Post-train/RL — Hark AI · SF Bay Area · $180K–450K · 28 weeks ago
  3. Member of Technical Staff, Multimodal Speech — Hark AI · SF Bay Area · $180K–450K · 28 weeks ago
  4. Member of Technical Staff, Multimodal Vision — Hark AI · SF Bay Area · $180K–450K · 28 weeks ago
  5. Member of Technical Staff, Pretraining — Hark AI · SF Bay Area · $180K–450K · 28 weeks ago
  6. Post-Training Research Engineer — Baseten · Late Stage · SF Bay Area · $200K–275K · 28 weeks ago Platform for deploying and serving machine learning models with high-performance inference at scale
  7. Research Engineer - Environments, Data and Post-Training — Mercor · Series B · SF Bay Area · $180K–500K · 28 weeks ago Marketplace connecting domain experts with AI companies for task evaluation and model benchmarking

Applied AI

  1. Software Engineer - Forward Deployed — Saronic · Series D · San Diego · 28 weeks ago Saronic Technologies develops advanced autonomous surface vessels for naval and maritime applications
  2. Applied AI Engineer - Tokyo — OpenAI · Tokyo · 28 weeks ago Develops AI systems including large language models like ChatGPT for research and commercial use
  3. Applied AI Engineer, Codex Core Agent — OpenAI · SF Bay Area · $230K–385K · 28 weeks ago

Infrastructure

  1. Head of Supercomputing — Etched · Seed · SF Bay Area · 28 weeks ago Etched.ai is a technology startup developing specialized hardware for large language model (LLM) inference
  2. Member of Technical Staff - Pre-Training Infra — Reflection AI · Series B · SF Bay Area · 28 weeks ago Builds open AI models that enable anyone to control and shape intelligent systems
  3. Principal Security Engineer, Infrastructure Security — OpenAI · Remote · $401K–510K · 28 weeks ago
  4. Principal Software Engineer, Infrastructure Security — OpenAI · Remote · $401K–510K · 28 weeks ago
  5. Staff Software Engineer (Inference Platform), London — Isomorphic Laboratories · Series B · London · 28 weeks ago Builds AI models to accelerate drug discovery and design novel medicines
  6. Critical Facilities Lead, Compute Infrastructure — OpenAI · Remote · $199K–302K · 28 weeks ago
  7. Infrastructure Security Engineer — xAI · Late Stage · SF Bay Area · $100K–258K · 28 weeks ago Develops Grok, an AI platform offering reasoning, code, voice, image, and video capabilities through a unified
  8. Infrastructure, Large-scale Training — Hark AI · SF Bay Area · $180K–450K · 28 weeks ago

Data

  1. Software Engineer, Data Infra — Dyna Robotics · Series A · SF Bay Area · $180K–270K · 28 weeks ago Autonomous robotic arms that complete end-to-end workflows in hospitality, logistics, and factory operations

Software

  1. Member of Technical Staff, Agent Harness — Hark AI · SF Bay Area · $170K–400K · 28 weeks ago
  2. Senior Application Software Engineer — K2 Space · Series D · Los Angeles · $160K–200K · 28 weeks ago Builds high-power satellite buses designed for LEO, MEO, and GEO missions with 10x more power than constellati
  3. Senior Flight Software Engineer — K2 Space · Series D · Los Angeles · $160K–200K · 28 weeks ago
  4. Software Engineer, Agent Runtime — Sierra · Late Stage · SF Bay Area · $230K–390K · 28 weeks ago Conversational AI platform that deploys customized agents across chat, voice, email, and SMS for customer supp
  5. Software Engineer, Codex Core Agents — OpenAI · SF Bay Area · $230K–385K · 28 weeks ago
  6. Software Engineer, Workload Enablement — OpenAI · SF Bay Area · $293K–385K · 28 weeks ago
  7. Flight Software Engineer — K2 Space · Series D · Los Angeles · $123K–170K · 28 weeks ago
  8. Embedded Software Engineer — Hark AI · SF Bay Area · $120K–300K · 28 weeks ago

Hardware

  1. Wire Harness Design Engineer - EWIS (Associate - Principal) — Saronic · Series D · Austin · 28 weeks ago
  2. Principal Guidance, Navigation, & Control (GNC) Engineer — K2 Space · Series D · Los Angeles · $190K–260K · 28 weeks ago
  3. Staff Process Engineer — Mariana Minerals · Series B · Houston, TX · $140K–175K · 28 weeks ago Software-first developer and operator of critical mineral projects for energy, AI, and defense
  4. Senior Electrical Engineer – Navigation & Positioning Systems — Saronic · Series D · Austin · 28 weeks ago
  5. Senior FPGA Engineer — K2 Space · Series D · Los Angeles · $120K–225K · 28 weeks ago
  6. Electrical Drafter — Saronic · Series D · Austin · 28 weeks ago
  7. Marine Designer/Drafter — Saronic · Series D · New Orleans, LA · 28 weeks ago
  8. Wire Harness Technician — Saronic · Series D · Austin · 28 weeks ago
  9. Robotics Engineer, Deployment & Testing - San Mateo — Skild AI · SF Bay Area · 28 weeks ago Builds foundation models for general-purpose robots that adapt across hardware and tasks
  10. Electrical Engineering Technician — Etched · Seed · SF Bay Area · 28 weeks ago
  11. Electrical Engineer — Hark AI · SF Bay Area · $120K–300K · 28 weeks ago
  12. Hardware Test Engineer — Hark AI · SF Bay Area · $120K–300K · 28 weeks ago
  13. Product Design Engineer — Hark AI · SF Bay Area · $120K–300K · 28 weeks ago
  14. RF Antenna Engineer — Hark AI · SF Bay Area · $120K–300K · 28 weeks ago

Science

  1. Robot Science Ops — Generalist AI · San Francisco Bay Area Boston · $150K–200K · 28 weeks ago Generalist is an AI robotics company focused on developing general-purpose robots with advanced capabilities

Product

  1. Product Manager, Multi-Cloud Growth - Google — Anthropic · SF Bay Area · $305K–460K · 28 weeks ago Develops Claude, an AI assistant, with research focused on AI safety and alignment

Go-to-market

  1. Commercial Account Executive (SF) — LangChain · Series B · SF Bay Area · 28 weeks ago Framework and platform for building, testing, deploying, and monitoring LLM-powered agents
  2. Enterprise Account Executive (San Francisco Bay Area) — LangChain · Series B · SF Bay Area · 28 weeks ago
  3. Enterprise Account Executive (ANZ) — Sierra · Late Stage · Sydney · AUD 385,000–465,000/year · 28 weeks ago

Operations

  1. Production Engineering Manager — Saronic · Series D · Brownsville, TX · 28 weeks ago
  2. Technical Writer, Manufacturing — Saronic · Series D · Austin · 28 weeks ago
  3. Strategist, Agent Development — Sierra · Late Stage · Sydney · AUD 275,000–395,000/year · 28 weeks ago
  4. Robot Operator - Pittsburgh — Skild AI · Pittsburgh · 28 weeks ago
  5. IT Technician — Mariana Minerals · Series B · Moab, UT · 28 weeks ago
  6. Technical Recruiter — Hark AI · SF Bay Area · $120K–250K · 28 weeks ago

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