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Added 1 min ago
NS
Senior Electrical Engineer, Lifecycle (Prism)
Northwood Space
Los Angeles, CA, CA
- $122,000 to $225,000 USD / year
As a Senior Lifecycle Electrical Engineer, you will be responsible for operating and improving the world’s most capable ground segment network. You will own the designs of deployed modules…
Added 1 min ago
SS
Senior SIEM Data Engineer
State Street
Quincy, MA
- $120,000 to $202,500 USD / year
We are looking for a Senior SIEM Data Engineer reporting directly to the Cyber Data Engineering Manager. You will lead the design, onboarding, transformation, validation, and operational…
Added 3 mins ago
Senior / Lead Site Reliability Engineer
Zelis Healthcare, LLC
United States
As a senior technical contributor, you will play a critical role in advancing Zelis's enterprise reliability strategy by improving application performance, strengthening observability,…
Added 5 mins ago
Launch Vehicle Senior Mechanical Engineer
X-Bow Systems
Huntsville, AL
About the Role: As a Sr. Mechanical Engineer, you will have a key role in supporting the design, analysis, COTS component specification, integration and testing of Launch Vehicle systems.…
Added 5 mins ago
Senior AI Engineer
Humana Inc.
Louisville, KY · Boston, MA · Dallas, TX · New York, NY · Tampa, FL · Washington, DC
Build capabilities that transforms millions of data points into trusted, actionable platforms. Our systems use large language models (LLMs) to read medical records, extract structured…
Added 6 mins ago
Sales Engineer
CCI Systems, Inc.
Iron Mountain, MI · League City, TX · Pasadena, TX · La Grange, TX · Elgin, TX · San Marcos, TX · Waco, TX · Gainesville, FL · Hollywood, FL · Fort Lauderdale, FL · Hialeah, FL · St. Petersburg, FL · Athens, GA · Augusta, GA · Mount Pleasant, SC · Concord, NC · High Point, NC · Charlotte, NC · Lubbock, TX · Key West, FL · Port St. Lucie, FL · Orlando, FL · Greenville, SC · Anderson, SC · Rock Hill, SC · Spartanburg, SC · Columbia, SC · Charleston, SC · Sumter, SC · Myrtle Beach, SC · Florence, SC · Fayetteville, NC · Rocky Mount, NC · Durham, NC · Burlington, NC · Greensboro, NC · Wilkesboro, NC · Columbus, GA · Albany, GA · Fort Myers, FL · Jacksonville, FL · Tallahassee, FL · El Paso, TX · Fort Worth, TX · Irving, TX · Asheville, NC · Atlanta, GA · Tampa, FL · Miami, FL · Dallas, TX
…organizations across the US and Canada. We are a division of CCI Systems, Inc., which is an Employee-Owned solution provider specializing in telecommunications, comprehensive network…
Added 6 mins ago
Jr. ML Developer
Herndon, VA
As a Junior Machine Learning Developer, you will play a critical role in supporting the design, development, and deployment of machine learning models that drive data-driven decision-making…
Added 6 mins ago
AI Engineer
STV Incorporated
NY · Boston Congress St, MA
As an AI Engineer I, you will contribute to the design, configuration, development, testing, and deployment of AI-powered solutions built on Microsoft's AI and data ecosystem. Working under…
Added 7 mins ago
Senior Software Development Engineer, AWS Kubernetes (K8s)
Amazon Development Center U.S., Inc.
Santa Clara, CA
- 5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience
Added 7 mins ago
Senior Medicaid Technical Business Analysis Engineer
Conduent
Remote, United States
Conduent is seeking a Senior Medicaid Technical Business Analysis Engineer with a strong background in Medicaid operations, policy, and claims processing. This role is ideal for a problem…
Added 8 mins ago
A
Electrical Engineer
Actalent
Madison, WI
- $120,000 to $140,000 USD / year
Seeking a hands-on Senior Electrical Sustaining Engineer to support and improve commercialized medical device products throughout their lifecycle. This role focuses on troubleshooting…
Added 8 mins ago
Electrical Design Engineer
Actalent
Austin, TX
Job Title: Electrical Design Engineer Location: Austin, TXJob DescriptionThe Electrical Design Engineer supports the planning and design of electrical infrastructure for commercial,…
Added 8 mins ago
TT
Senior Structural Engineer
Thornton Tomasetti
San Francisco, CA
- $87,000 to $100,000 USD / year
As a Senior Engineer in our Structural Practice, you will take on increasingly complex analysis, design, and detailing assignments across a wide range of building types. You’ll contribute…
Added 8 mins ago
Distribution Design Engineer
American Electric Power
Laredo, TX
Are you a skilled and motivated Engineer seeking a new opportunity in the Laredo, TX vicinity? Join our team where you’ll make an impact while contributing to the development and…
Added 8 mins ago
Paint Process Engineer
General Motors
Arlington, TX
The Paint Process Engineer position is a fast-paced manufacturing engineering position in which you will work with paint robots, circulation systems, air handlers and ovens. The Arlington…
Added 8 mins ago
ND
Cloud & Platform Engineer
NTT Data Americas, Inc.
Irving, TX
- $55 to $70 USD / hour
Job Description – Senior Platform Security Engineer – AI-Powered Penetration Testing Platform
Added 8 mins ago
Senior Robotics Engineer
Caterpillar, Inc.
Irving, TX
…sustainable. By combining deep domain expertise in physical systems with software, connectivity, autonomy, and AI, we deliver solutions that work in the real world - on real jobsites, at…
Added 9 mins ago
Software Engineer - Clinical Software
Caris Life Sciences
Irving, TX
The Software Engineer, Clinical Software Products contributes engineering work across Caris's clinical application portfolio: product delivery, reliability, and incremental modernization of…
Added 9 mins ago
Senior IAM & Information Security Engineer
Caris Life Sciences
Irving, TX
We are seeking a Senior IAM & Information Security Engineer with deep, hands-on experience to lead the design, implementation, and management of enterprise-level Identity and Access…
Added 9 mins ago
Full-Stack Engineer 5 (Java, Python, SRE, AWS, AI) (Cloud Operations Resilience Engineering)
Capital One
Plano, TX
Drive end-to-end design and implementation of large-scale, distributed, or cloud-native systems with high reliability and performance requirements
Added 9 mins ago
Estimator - Data Center
BlackBox
PLANO, TX
…Management, with growth potential toward roles such as Estimator, Senior Estimator, or Project…
Added 9 mins ago
SS
Forward Deployed Product Manager
Spruce Systems, Inc.
United States
- $150,000 to $250,000 USD / year
…our government customers during discovery, architecture, and design, sometimes while engineering is building, and help them work out what they actually need and…
Added 9 mins ago
Senior Principal Engineer
Autodesk
CA · San Francisco, CA · ON, CA · San Francisco
GET Engineering is seeking an experienced Senior Principal Engineer – AI and Engineering Excellence to lead the technical strategy and evolution of our cloud platform, developer experience,…
Added 9 mins ago
Full-stack Software Engineer 5, Data Insights Platform (Global Payment Network)
Capital One
Plano, TX · McLean, VA
Drive end-to-end design and implementation of large-scale, distributed, or cloud-native systems with high reliability and performance requirements
Added 9 mins ago
Forward Deployed Engineer, MT Labs
TX
This is a hands-on senior engineering role. You will design, code, test, deploy, and operate full-stack products that may include user interfaces, APIs, services, data pipelines, enterprise…

Closed listing

Amazon

Sr Security Engineer, Leo Security

Seattle, WA, United States

This opening has closed.

The original listing is kept below for reference.

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Job details

Posting language: English
Posted: Aug 15, 2026

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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

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