Weekly digest
Week of 8 December 2025
28 new roles this week across 9 companies; the biggest movers: K2 Space (+14), Skild AI (+3), Anthropic (+2).
Research
- Research Engineer, Cybersecurity RL (Reinforcement Learning) — Anthropic Develops Claude, an AI assistant, with research focused on AI safety and alignment
- Physics Simulation Scientist — Skild AI Builds foundation models for general-purpose robots that adapt across hardware and tasks
ML engineering
- Computer Vision AI & ML Engineer — Skild AI
- Inference Intern — Etched Etched.ai is a technology startup developing specialized hardware for large language model (LLM) inference
Infrastructure
- Senior Avionics Systems Engineer — K2 Space Builds high-power satellite buses designed for LEO, MEO, and GEO missions with 10x more power than constellati
- Avionics Systems Engineer — K2 Space
- Software Engineer, Infrastructure — xDOF XDOF is the infrastructure partner for the world's most ambitious robotics builders
Software
- Principal Flight Software Engineer — K2 Space
- Member of Technical Staff, Robotics — xDOF
- Senior Embedded Performance Engineer — Fractile Builds specialized processors that fuse computation with memory to run large language models up to 25x faster
- Senior Mechanisms Engineer — K2 Space
- Senior Tooling Engineer — K2 Space
- Senior Vehicle & Mission Operations Engineer — K2 Space
- Anthropic Fellows Program — Anthropic
- Forward Deployed Software Engineer - NYC — OpenAI Develops AI systems including large language models like ChatGPT for research and commercial use
- Software Engineer, Monetization Delivery — OpenAI
- Technical Animator — Skild AI
- Mission Payload Engineer (TS//SCI) — K2 Space
- Power Electronics Engineer — K2 Space
- Tooling Engineer — K2 Space
- Vehicle & Mission Operations Engineer — K2 Space
Hardware
Product
Go-to-market
- Manager, Startup Sales — Baseten Platform for deploying and serving machine learning models with high-performance inference at scale
- Strategic Account Executive — Serval AI-powered enterprise service management platform that automates employee requests, onboarding, and IT operati
Operations
Every line links to the role on Liftoff Jobs, and from there to the company's own board. · Past issues · Search the whole index
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