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Added 17 hours ago
Senior Security Research Engineer
Referral Board
United States
The Elastic Security Endpoint Protections team researches, designs, and builds the visibility and prevention capabilities at the core of Elastic Defend, our endpoint and SIEM security…
Added 17 hours ago
Senior Security Research Engineer
Elastic
United States
The Elastic Security Endpoint Protections team researches, designs, and builds the visibility and prevention capabilities at the core of Elastic Defend, our endpoint and SIEM security…
Added 20 hours ago
Sr Security Engineer, Leo Security
Amazon
Herndon, VA · Arlington, VA
We are looking for a senior security engineer to join the founding cohort of the Engineering and R&D team within Leo Infrastructure and IP Security. The team defends the manufacturing…
Added 22 hours ago
Global Red Team AI Engineer, Analyst
MUFG Bank, Ltd.
Jersey City, NJ
…background and practical coding experience, enabling them to develop offensive security skills while contributing to risk reduction across the…
Added 1 day ago
Senior AI Security Researcher
NVIDIA Corporation
South District, IL · North District, IL
Demonstrated experience of 5+ years in AI safety/security and offensive cybersecurity.
Added 1 day ago
Senior Cybersecurity AI Solutions Engineer
NVIDIA Corporation
North District, IL
We are seeking a Cybersecurity AI solutions Engineer to be part of the backbone of networking security innovation. In this role as part of your time, you will architecture design, deploy,…
Added 3 days ago
Senior Cyber Security Application Penetration Testing Engineer
Wells Fargo
CHANDLER, AZ
Wells Fargo are seeking a highly motivated and skilled Senior Cyber Security Application Penetration Testing Engineer to join our Technology Cybersecurity department. In this technical…
Added 3 days ago
Senior Offensive Security Engineer
Unity Technologies SF
Remote, United States
…what matters most to fix. You will work closely with Product Security, Infrastructure Security, Security Operations, and engineering teams, and you will help build the tooling and…
Added 3 days ago
Sr. Application Security Engineer / Ethical Hacker
Sherwin-Williams
Cleveland, OH
The Senior Application Security Engineer position is responsible for planning and performing manual penetration testing of traditional and AI-enabled applications, identifying and…
Added 3 days ago
AI Red Team Lead Engineer
U.S. Bank
Irving, TX
The AI Red Team Lead Engineer leads the execution and evolution of offensive security activities focused on AI/ML systems, platforms, and integrations, in addition to traditional enterprise…
Added 3 days ago
Principal Attack Engineer, AI/LLM
Horizon3
Remote, United States
You will operate at the intersection of company strategy and technical direction. You will shape the vision for AI/LLM offensive capabilities, partner with senior leadership on major…
Added 4 days ago
Sr Security Operations (SecOps) Engineer
Apple
Austin, TX
We are looking for an experienced Senior Security Operations (SecOps) Engineer to help define and drive the security strategy for applications, cloud infrastructure, and engineering…
Added 4 days ago
Customer Support Engineer
Bugcrowd
Remote, United States
Founded in 2012, Bugcrowd is the preemptive security platform that unifies exposure discovery and assessment, offensive testing, and intelligence shaped by AI and human insight to help…
Added 4 days ago
Security Engineer - Devices
Somana
New York City, NY
Somana builds compute hardware and edge devices in-house for physical AI. We're looking for a senior Security Engineer to own security across the full lifecycle of that hardware - from…
Added 5 days ago
Malware Reverse Engineer, Senior
Booz Allen Hamilton_United States
Fort Meade, MD
…exploitation, defensive, and IT logging process experience to execute offensive cyber operations that inform our nation’s most critical security…
Added 5 days ago
Senior Security Software Engineer, Advanced Security
General Motors LLC
Warren, MI · Austin, TX
General Motors’ Advanced Security Engineering team develops advanced security capabilities to help secure GM and reduce real security exposure. We leverage artificial intelligence (AI)…
Added 5 days ago
M
Senior Security Engineer - Microsoft Red Team
Microsoft
United States
- $119,800 to $261,000 USD / year
We are looking for a Senior Security Engineer to serve as an operator on CyberShield engagements. You will execute adversary emulation operations end-to-end and help advance agentic,…
Added 5 days ago
Senior Product Manager (Advanced Network Security Services)
Palo Alto Networks, Inc.
United States
As a Senior Product Manager, you will define and launch all-new network security services to defend customers against automated, AI-driven attackers. You will own the product vision,…
Added 5 days ago
U
Sr Staff Security Engineer - Engineer
Uber
Seattle, WA · Sunnyvale, CA
- $267,000 to $297,000 USD / year
Senior Staff Security Engineer - Supply Chain, Offensive & AI Security
Added 6 days ago
GenAI Senior Security Engineer, Red Team
Google
Seattle, WA · Austin, TX · Washington, DC
As a Generative AI Senior Security Engineer on the Content Adversarial Red Team (CART) who is part of a broader cross-team collaborative effort focused on frontier safety, you will lead…
Added 6 days ago
Senior Security Engineer, Agentic Red Team, DeepMind
Google
New York, NY
Share Senior Security Engineer, Agentic Red Team, DeepMind
Added 6 days ago
Sr Sales Engineer, Chicago
LevelBlue LLC
Chicago, IL
The Sr. Sales Engineer should be technology and solution advisors with pragmatic experience in a particular security domain. These sales engineers will act in many ways as solution…
Added 6 days ago
Staff Product Manager, Agentic Data Platform
Horizon3
New York City, NY · San Francisco, CA
…performance, data freshness, consistency, and scalable access to offensive security…
Added 6 days ago
TB
Mainframe and Web Application Security Senior Engineer - Senior Penetration Tester
Truist Bank
Charlotte, NC · Greensboro, NC · Richmond, VA · Atlanta, GA · Raleigh, NC
- $140,000 to $180,000 USD / year
Maintains current knowledge of mainframe attack techniques, security controls, platform changes, offensive security practices, and relevant industry threats.
Added 7 days ago
Senior Security Engineer, Agentic Red Team, DeepMind
DeepMind
Mountain View, CA · New York, NY
As a Senior Security Engineer on the Agentic Red Team, you will be the primary technical executor of adversarial engagements. You will work with product builders, identifying architectural…

Amazon

Sr Security Engineer, Leo Security

Herndon, VA, United States
Arlington, VA, United States

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Job details

Posting language: English
Posted: Sep 11, 2026

Original job description

Description

Amazon Leo is a constellation of Low Earth Orbit satellites that will provide low-latency, high-speed broadband network connectivity to unserved and underserved communities around the world.

We are looking for a senior security engineer to join the founding cohort of the Engineering and R&D team within Leo Infrastructure and IP Security. The team defends the manufacturing lines, launch sites, and global ground infrastructure behind the constellation from the most sophisticated threat actors on the planet. The team builds a neurosymbolic reasoning platform: large language model agents combined with a knowledge graph and real-time asset state store that ground every conclusion in verifiable fact, so every automated decision is auditable. You will be the security owner for that platform. A system that can triage security events, execute containment, and act on physical security is itself a high-value target, and this role exists so the team that secures Leo does not ship its own unowned risk. This is a hands-on role for a technical contributor with deep expertise in offensive security who understands how to use AI on both sides: directing agents to test Leo's defenses the way an adversary would, and hardening the platform's own agents against the same techniques.

#### Export Control Requirement

Due to applicable export control laws and regulations, candidates must be a U.S. citizen.

Key job responsibilities

You will be the single accountable security owner for every system the team builds and operates, from the agent platform and detection pipeline to the data plane and self-service workflows. You will lead threat modeling and secure-design review on each system before it takes autonomous action, thinking like an adversary to find the weaknesses in agent tool access, prompt and data injection paths, and containment authority before someone else does. You will design the privileged-access and insider-risk controls for systems that hold the keys to Leo physical security: the who-watches-the-watchers guarantee. You will translate threat intelligence into the adversary behaviors that drive the team's models and detections, partnering with applied scientists on what to detect and with software engineers on how the platform defends itself. You will use AI to scale both offense and defense: directing the platform's agents to run offensive validation against Leo's infrastructure and against the platform itself, and turning what the offense finds into detections, guardrails, and controls. You will drive every finding, whether from your own testing, penetration tests, or red-team engagements, to closure, with security gates built into the team's own delivery cadence rather than bolted on after.

A day in the life

One morning you might threat model a new agent capability before it graduates to automated execution, mapping what an adversary could do with its tools and where its authority must be constrained. That afternoon you could be red-teaming the platform's reasoning layer, crafting inputs that try to steer an agent into an action it should refuse. The next day you might take fresh threat intelligence, distill it into the adversary behaviors the scientists should model next, then review the access boundaries and audit evidence on a new data source before it is ingested. You will communicate security posture, risks, and strategic priorities to senior leadership with clarity and precision. You will question every trust relationship the platform depends on, hold the security bar steady against delivery pressure, and treat the team's own systems with the same adversarial rigor the team applies to everything else.

About the team

Leo Infrastructure and IP Security protects the people, facilities, hardware, and supply chain behind a global satellite constellation. The Engineering and R&D team within this organization builds the platforms and tooling the security pillar teams operate on, moving security operations from manual triage to correlation-based detection, automated response, and agentic AI. The team is composed of applied scientists, software engineers, and security engineers working across physical and digital security domains.

#### 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.

Basic Qualifications

2+ years of any combination of the following: threat modeling experience, secure coding, identity management and authentication, software development, cryptography, system administration and network security experience
Experience in progressive work within a software security team or related operating environment
Experience architecting, securing, and operating Amazon Web Services
Bachelor's degree in a STEM field (Science, Technology, Engineering, Mathematics), or 5+ years of scripting, programming, or security code review in a common language, such as Python, Java or C++ experience

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5+ years of non-internship experience in troubleshooting systems issues, analyzing logs, automating complex tasks using command line tools, and identifying security issues, risks, and developing mitigation plans

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Experience with offensive security, including penetration testing, red teaming, or adversarial testing of production systems

Preferred Qualifications

Experience conveying complex technical concepts to both technical and business audiences

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Understanding of threat actor tradecraft and ability to emulate sophisticated attack techniques

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Experience with AI/ML security, including threats to AI systems, adversarial machine learning, prompt injection, or AI supply chain security

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Experience applying AI to security work, including agentic tooling for offensive testing, detection engineering, or automated response

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Experience with Red Team operations, threat-based assessments, or security research programs

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Track record of building security tools or automation that scales across organizations

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Experience designing privileged-access and insider-risk controls for high-consequence systems

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Experience with security in regulated or export-controlled environments, including data-handling boundaries and audit evidence

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Experience translating threat intelligence into detections, adversary emulation, or threat hunting

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Contributions to security research community through publications, presentations, or open-source tools

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits .

USA, VA, Arlington - 178,400.00 - 226,700.00 USD annually

USA, VA, Herndon - 178,400.00 - 226,700.00 USD annually

USA, WA, Seattle - 178,400.00 - 226,700.00 USD annually

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More about this job

Skills

Supply chain management
Software development
System administration
Python
Oracle Java
C++
Troubleshooting
Penetration testing
ML
Machine learning
Research
Presentation skills
Recruitment
Mental health

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