Find work in the United States.

A simpler way to find your next job.

Jobs in the United States

25+ jobs

Save this search

Added 2 mins ago
NL
Data Scientist & Engineer
NYU Langone Health
New York, NY
- $84,577.92 to $110,250 USD / year
We have an exciting opportunity to join our team as a Data Science Analyst / Engineer.
Added 4 mins ago
Digital Engineer Software
SAIC
San Diego, CA
SAIC is seeking a Digital Engineer (Software) to serve as the lead for SW Configuration/Release management lead, supporting the integration and continuous improvement of the Joint Fires…
Added 5 mins ago
Manager I, Process Engineer
Worley
Lakeland, FL
…content, and presenting to customers. May be called upon to lead part or all of a…
Added 7 mins ago
KC
Structural Engineer - Own Projects. Build Relationships. Drive Results.
KPFF Consulting Engineers
Washington, DC
- $105,000 to $115,000 USD / year
…solutions that shape the built environment and address complex infrastructure challenges. With nearly 1,500 professionals across 36 offices nationwide, KPFF combines the resources,…
Added 8 mins ago
Software Engineer, Systems ML
Meta
Oklahoma City, OK
Meta is seeking a Software Engineer to join our Systems ML Engineering team, focused on building and optimizing the machine learning infrastructure that powers Meta's products at massive…
Added 8 mins ago
Solutions Architect - Nutanix Database Service
Nutanix
Oklahoma City, OK
Experience: 5+ years of experience in a customer-facing pre-sales technical role (Solutions Architect, Systems Engineer, or Database Specialist Architect) within an enterprise software,…
Added 9 mins ago
Senior Cybersecurity Architect (Cloud)
Amentum
Oklahoma City, OK
Lead complex platform changes and escalations while sharing implementation, tuning, and support work with the Cloud Security Engineer.
Added 9 mins ago
Senior Data Engineer
Highmark Health
Oklahoma City, OK
…design, development, and maintenance of the organization's data infrastructure, ensuring the efficient and reliable flow of data across various systems. This position is responsible for…
Added 11 mins ago
AI Architect (Vertex AI)
Capgemini
New York, NY, NY
Infrastructure as code (Terraform) and CI/CD for ML/GenAI.
Added 12 mins ago
Senior Hardware Engineer - Cross Domain Solutions (SME)
CACI
Fort Meade, MD · Fort Meade
Job Title: Senior Hardware Engineer - Cross Domain Solutions (SME)
Added 12 mins ago
Construction Automation Specialist
Bechtel
Portland, TX
Assist the Project Field Engineer and Lead Area Field Engineers by providing training, direction, and support to TEAMWorks and Setroute administrators who are responsible for data entry and…
Added 15 mins ago
IG
Proposal Engineer
Insight Global
Remote, United States
- $115,000 to $125,000 USD / year
Insight Global is looking for a Senior Proposal Engineer to support one of our large energy and infrastructure clients. This individual will lead the development of complex technical and…
Added 15 mins ago
Vice President
Raba Kistner Inc.
Chandler, AZ
Raba Kistner is seeking a dependable Vice President to join our Infrastructure team in the Phoenix, AZ area. Under direction, responsible for managing financial, business development,…
Added 16 mins ago
Principal Engineer Team Lead, Behavior Safety & Metrics
Motional
Remote, United States
We are looking for a highly motivated, technically strong engineer to lead evaluation initiatives across Prediction and Planning. In this role, you will define how we measure, understand,…
Added 17 mins ago
IT Assurance Specialist SME
Cyberstar, LLC
Arlington, VA
…network system administration and Information Technology (IT) infrastructure maintenance…
Added 17 mins ago
AC
Lead End User Support Engineer (Hybrid)
Anoka County
Anoka, MN
- $79,788.8 to $111,696 USD / year
…and the public. The department has an immediate opening for a Lead End User Support Engineer. We're looking for a hands-on engineer who identifies gaps in our endpoint environment,…
Added 21 mins ago
Full-stack Engineer 5 - Intelligent Foundations and Experiences (IFX)
Capital One
NY · Plano, TX · McLean, VA
Lead a portfolio of diverse technology projects and a team of developers with deep experience in distributed microservices, and full stack systems to create solutions that help meet…
Added 21 mins ago
Full-stack Engineer 4
Capital One
Chicago, IL
Lead a portfolio of diverse technology projects and a team of developers with deep experience in distributed microservices, and full stack systems to create solutions that help meet…
Added 23 mins ago
TT
Structural Project Engineer
Thornton Tomasetti
New York, NY
- $100,000 to $120,000 USD / year
Our Applied Science practice leverages a unique combination of technologies and expertise to engineer practical solutions to problems of national and international importance. We apply…
Added 29 mins ago
RU
Server and Network Administrator
Randstad USA
Tallahassee, FL
- $40 to $45 USD / hour
…is performed under the general direction of the Technology Infrastructure Administrator and Principal SCADA Engineer, supporting mission-critical public infrastructure…
Added 32 mins ago
CH
Intune Systems Administrator IV
CAMBIA HEALTH SOLUTIONS, INC.
SALT LAKE CTY, UT
- $100,000 to $151,000 USD / year
…expertise in PowerShell, Microsoft Graph API, automation tools, and Infrastructure as Code. Advanced knowledge of Windows 365 Cloud PC, Windows 365 App, Windows 365 Link, Windows 365 Boot,…
Added 32 mins ago
Staff Software Engineer
EF \/ Hult
Cambridge, MA
…digital experiences to match that ambition! As our Staff Software Engineer, you'll be one of the most senior individual contributors on the team, setting architecture and technical…
Added 32 mins ago
Sentinel - Staff Systems Engineer
Northrop Grumman
Roy, UT
Northrop Grumman Defense Systems is seeking a Staff Systems Engineer (level 5) to join its team. This position is in Roy, Utah and will support the Sentinel program. Northrop Grumman…
Added 32 mins ago
AI Security Engineer
TRIMBLE INC.
SALT LAKE CITY, UT
Protect Enterprise Innovation as Our Next AI Security Engineer! Are you ready to lead the defense of cutting-edge artificial intelligence systems across a global technology leader? Join our…
Added 33 mins ago
Product Engineer
Rinker Materials
Dallas, TX
…to the growth and development of communities. As a Product Engineer, with a Bachelor or Civil Engineering background, you will play a crucial role in the development, improvement, and…

Closed listing

Amazon

Sr Security Engineer, Leo Security

Seattle, WA, United States

This opening has closed.

The original listing is kept below for reference.

Find open jobs More jobs with this employer

About employer

Job details

Posting language: English
Posted: Aug 15, 2026

Similar jobs hiring now

Search current openings

Original job description

Archived listing. The details below describe a past opening.

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

•

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

•

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

•

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

•

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

•

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

•

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

•

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

•

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

•

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

•

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

•

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

About employer

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

Report this job