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Added 1 min ago
VL
Dev Ops Engineer
Vaco LLC
Bristol, PA
- $125,000 to $145,000 USD / year
Seeking a Senior DevOps Engineer to manage cloud infrastructure, automate deployments, and improve the reliability, security, and performance of enterprise applications.
Added 2 mins ago
Sr Technical Application Engineer
Border States
Fargo, ND · Greenville, SC · Pewaukee, WI
The Senior Technical Application Engineer leads the day-to-day operations in promoting sales, securing orders, and providing quality service to our customers focused on Siemens Medium…
Added 7 mins ago
PI
Sr Validation Engineer - Infotainment
Polaris Industries Inc.
MN
- $95,000 to $125,000 USD / year
As a Senior Validation Engineer within Polaris' Vehicle Electronics and Software organization, you will lead validation for RIDE COMMAND display and gauge hardware and software across…
Added 15 mins ago
Sr. Verification Engineer
AMC OU Ambarella Corp
United States
Ambarella is seeking an experienced Senior Verification Engineer to lead verification of advanced SoCs incorporating image and video processing, DSP, CPUs, and neural network accelerators.
Added 16 mins ago
Sr. Engineer, Technical
T-Mobile USA, Inc.
Frisco, TX · Overland Park, KS · Bellevue, WA
…business requirements into reliable configurations, integrations, automation, and production support solutions across Oracle ERP Cloud, Oracle EPM Cloud, and connected systems. This…
Added 19 mins ago
Sr. Database Engineer
Starz Entertainment, LLC
Denver, CO
We are seeking an experienced Sr. Database Engineer to design, build, and support the data infrastructure that powers our applications and services. This role bridges traditional…
Added 19 mins ago
Mechanical Design Engineer, Sr
CFS Curtiss Wright Controls Inc
Shelby, NC
As a Sr Mechanical Design Engineer, you will, design and analyze moderately complex mechanical systems and electronic components, equipment and packaging. Our customers are mainly military…
Added 21 mins ago
PI
Sr Software Engineer
PayPal, Inc.
Austin, TX
- $130,500 to $193,600 USD / year
As a Sr Software Android Engineer on the Venmo Business Profiles team, you will help build the future of commerce on Venmo. You will design and deliver reliable, intuitive mobile…
Added 26 mins ago
Sr. Controls Engineer
Corning
Hickory, NC
Sr. Controls Engineer analyzes user requirements, process design, and mechanical equipment design to develop controls architecture for automated systems. This role works closely with…
Added 31 mins ago
Data Engineer
Primoris Services Corporation
Remote, United States
We are seeking a skilled, execution-focused Data Engineer to join our Data & Analytics team. This role is responsible for designing, building, and maintaining scalable, production-grade…
Added 38 mins ago
Sr. Analyst, Supply Chain Data Analytics
United States
Engineer and maintain data foundations, reusable data models, metric views, and analytics-ready datasets using Databricks, SQL, Python, and semantic assets that support analytics, AI, and…
Added 40 mins ago
NU
Sr. Principal Integration Engineer - Cloud Solutions
NMC USA National Medical Care Inc
Remote, United States
- $137,000 to $229,000 USD / year
The Principal Azure Cloud Solutions Engineer serves as a senior technical authority responsible for designing, implementing, and improving secure, scalable, and resilient solutions on…
Added 49 mins ago
T
Sr Software Engineer
TEKsystems
White, GA
- $60 to $70 USD / hour
DescriptionWe are seeking a Software Engineer specializing in MES (Manufacturing Execution System) development for a long term contract tole in Cartersville, GA. This role is onsite 5 days…
Added 50 mins ago
Sr. Integration and Test Engineer IV
Archarithms Inc
Huntsville, AL
Job Title: Senior Integrator and Test Engineer IV
Added 51 mins ago
Senior Principal Software Engineer
RTX
United States
…Department has an opportunity for a talented Sr Principal Software Engineer to join our team. This position will be onsite in Largo Florida and requires a current secret DoD…
Added 56 mins ago
Sr. AI Transformation Engineer
Roku
San Jose, CA
Roku is seeking a Senior AI Transformation Engineer to join the AI Enablement Team and drive end-to-end delivery of agentic AI systems that measurably transform how work gets done across…
Added 1 hour ago
Principal/Sr. Principal FPGA Engineer
CORP-Corporate Office
United States
As a Principal / Sr. Principal FPGA Design Engineer, you will join a diverse, high-performing team responsible for the end-to-end development of advanced RF and EO/IR products. You will…
Added 1 hour ago
Sr. Product Engineer
Teledyne LeCroy, Inc.
Milpitas, CA
…reliability. These markets include aerospace and defense, factory automation, air and water quality environmental monitoring, electronics design and development, oceanographic research,…
Added 1 hour ago
Sr Software Engineer
Cengage Group
Houston, TX
…with product and design teams in your role as senior software engineer. Together you will focus on improving customer outcomes through frequent stakeholder engagements and data-driven…
Added 1 hour ago
Lead Manufacturing Engineer
Blue Origin Personnel, LLC
Huntsville, AL
Senior Manufacturing Engineer – BE-7 & Blue Thrusters
Added 1 hour ago
VT
Senior Reliability Engineer
Videojet Technologies Inc.
Elk Grove Village, IL
- $120,000 to $150,000 USD / year
As the Sr. Reliability Engineer, you will help shape the future of our Elk Grove manufacturing site by owning two critical areas:
Added 2 hours ago
Staff Infrastructure Engineer, Networking
Mural Group
Remote, United States
- Network automation in Go or Python, with GitOps and controlled rollouts
Added 2 hours ago
Kubernetes Platform Engineer, Infrastructure
Mural Group
Remote, United States
- Build the APIs, controllers, operators and automation that extend Kubernetes
Added 2 hours ago
Senior Manufacturing Test Engineer, Amazon Leo OISL
Amazon Kuiper Manufacturing Enterprises LLC
Redmond, WA
As a Senior Test Engineer for the OISL Manufacturing Team, you will be responsible for the end-to-end Electrical testing process for a Line-Replaceable-Unit, from initial concept through…
Added 2 hours ago
Lead Network Engineer Specialist
Concurrent Technologies Corporation
Panama City, FL
…complex network projects and initiatives. The Lead Network Engineer/Specialist applies advanced principles, theories, and concepts to solve complex technical problems, develop innovative…

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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