Senior Application Security Engineer, AI and Machine Learning
Lightning AISan Francisco, California, United States • Seattle, Washington, United States
Posted April 1, 2026
180000 - 220000 USD
Full Time
About the Company
Lightning AI is a company behind PyTorch Lightning, building an end-to-end platform for developing, training, and deploying AI systems.
Job Description
Lightning AI is seeking a Senior Application Security Engineer to help secure its AI, machine learning, and inference platforms. The successful candidate will work closely with platform engineers, ML engineers, and infrastructure teams to identify risks and design secure architectures. This is a hybrid role based in either Seattle or San Francisco office, with an anticipated salary range of $180,000 - $220,000.
Requirements
- Strong background in application security engineering
- Experience performing threat modeling and architecture reviews
- Experience securing APIs and distributed systems
- Experience working in cloud environments such as AWS, GCP, or Azure
- Experience with containers and Kubernetes
- Strong scripting or programming skills such as Python, Go, or similar
- Experience working closely with engineering teams to implement security improvements
- AI and Machine Learning Experience
- Experience securing ML pipelines, inference systems, or data platforms
Benefits
- Competitive base salaries
- Equity with a 25% one year cliff and monthly vesting thereafter
- Medical, dental and vision
- Life and AD&D insurance
- Flexible paid time off including winter closure
- Paid family leave benefits
- One-time home office stipend
- Annual learning & development stipend
- Citibike membership (NYC only)
- Gym membership
- Additional various medical and mental health services
