Staff AI/ML & Cybersecurity Research Engineer — Equity

Ephapsys; San Francisco (CA); On-site; USD 180,000 - 280,000; Full time

Benefits offered by this job

Equity participation

Job summary

Ephapsys seeks a Staff Research Engineer to advance the SDK and platform, focusing on production-grade AI systems, secure model deployment, and governance. You will work with the founder to translate AI research into hardened, scalable infrastructure.

You will lead AI/ML security, threat modeling, and secure-by-design architecture, while building scalable MLOps pipelines and cryptographic safeguards for trusted AI agents.

Qualifications

• PhD or equivalent in Computer Science, AI, or Cybersecurity.
• Strong Python engineering skills.
• Experience deploying production ML systems.
• Hands-on with LLMs, fine-tuning, RAG, or agent frameworks.
• Familiarity with PyTorch or TensorFlow.
• Experience with cloud platforms (Azure, GCP, AWS).
• Understanding AI security risks (model extraction, prompt injection, data poisoning).

Responsibilities

• Architect, maintain, and evolve the Ephapsys SDK (Python-based).
• Implement and test neural interaction operators within modern ML frameworks.
• Design secure AI agent deployment pipelines.
• Build modular, production-grade ML components.
• Improve inference performance, observability, and reproducibility.
• Develop model evaluation, benchmarking, and stress-testing workflows.
• Conduct threat modeling for AI systems and neural modulation mechanisms.
• Design runtime integrity verification mechanisms.
• Secure model artifacts, modulation parameters, and inference endpoints.
• Implement cryptographic binding of model state and identity.
• Evaluate attack surfaces in edge and cloud deployments.
• Contribute to secure-by-design SDK architecture.
• Build secure CI/CD pipelines for AI systems.
• Design logging, monitoring, and tamper-detection mechanisms.

Skills

Python engineering

Production ML systems

LLMs

Security

Independent reasoning

Education

PhD or equivalent in Computer Science, AI, or Cybersecurity

Tools

PyTorch

TensorFlow

Job description

Ephapsys seeks a Staff Research Engineer to advance the SDK and platform, focusing on production-grade AI systems, secure model deployment, and governance. You will work with the founder to translate AI research into hardened, scalable infrastructure.

You will lead AI/ML security, threat modeling, and secure-by-design architecture, while building scalable MLOps pipelines and cryptographic safeguards for trusted AI agents.