Principal Scientist, ML Threat Detection, Active Defense

We are open to hiring candidates to work out of one of the following locations:

Annapolis Junction, MD, USA | Arlington, VA, USA

We're seeking an exceptional technical leader to drive the evolution of AWS's threat response capabilities through the application of machine learning, large reasoning models, large-scale data analytics, and security engineering. In this role, you'll deliver advancements that protect AWS infrastructure and our customers at global scale.

Key job responsibilities
Design and operationalize next-generation threat detection systems that process peta-scale security datasets while maintaining high precision/recall
- Lead automated threat hunting and detection engineering initiatives
- Transform threat intelligence into actionable detection logic and machine learning models
- Drive innovation in security data science, developing novel approaches to identify sophisticated threats
- Mentor and provide technical leadership, scaling your impact through other engineers and scientists
- Partner with AWS service teams to implement detection capabilities across AWS's infrastructure


A day in the life
We are AWS's automated immune system, building intelligent defenses that protect millions of customers and the broader Internet community. Our mission is to counteract automated threats to AWS and its customers through prevention, detection, and response at cloud scale.

About the team
Diverse Experiences
Amazon Security values diverse experiences. Even if you do not meet all of the qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying.
Why Amazon Security?
At Amazon, security is central to maintaining customer trust and delivering delightful customer experiences. Our organization is responsible for creating and maintaining a high bar for security across all of Amazon’s products and services. We offer talented security professionals the chance to accelerate their careers with opportunities to build experience in a wide variety of areas including cloud, devices, retail, entertainment, healthcare, operations, and physical stores
Inclusive Team Culture
In Amazon Security, it’s in our nature to learn and be curious. Ongoing DEI events and learning experiences inspire us to continue learning and to embrace our uniqueness. Addressing the toughest security challenges requires that we seek out and celebrate a diversity of ideas, perspectives, and voices.
Training & Career Growth
We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, training, and other career-advancing resources here to help you develop into a better-rounded professional.
Work/Life Balance
We value work-life harmony. Achieving success at work should never come at the expense of sacrifices at home, which is why flexible work hours and arrangements are part of our culture. When we feel supported in the workplace and at home, there’s nothing we can’t achieve.