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Senior Software Engineer
Sam's Club
SUNNYVALE, CA
- $187,075 to $234,000 USD / year
…Implement telemetry features as required independently. Ensure security policy requirements are properly applied to software components and applications during code development and…
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Senior Software Engineer
Walmart
SUNNYVALE, CA
- $117,000 to $234,000 USD / year
…Implement telemetry features as required independently. Ensure security policy requirements are properly applied to software components and applications during code development and…
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Senior Software Engineer
Walmart
BELLEVUE, WA
- $143,104 to $216,000 USD / year
…Implement telemetry features as required independently. Ensure security policy requirements are properly applied to components/application during code development/configuration. Map the…
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Senior Software Engineer
Walmart
BELLEVUE, WA
- $143,104 to $216,000 USD / year
…for code quality, accessibility, and usability and ensuring security policy requirements are met. Experience with the selection of appropriate languages, development standards and tools for…
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Staff Software Engineer
Walmart
BELLEVUE, WA
- $206,086 to $264,000 USD / year
…Implement telemetry features as required independently. Ensure security policy requirements are properly applied to software components and applications during code development and…
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Senior Software Engineer
Walmart
BELLEVUE, WA
- $143,104 to $216,000 USD / year
…Implement telemetry features as required independently. Ensure security policy requirements are properly applied to software components and applications during code development and…
Added just now
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Senior Software Engineer
Walmart
BELLEVUE, WA
- $143,104 to $216,000 USD / year
…Implement telemetry features as required independently. Ensure security policy requirements are properly applied to components/application during code development/configuration. Map the…
Added just now
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Senior Research Engineer - Power Systems
Pacific Northwest National Laboratory
Springfield, IL
- $148,000 USD / year
Our Science & Technology directorates include National Security, Earth and Biological Sciences, Physical and Computational Sciences, and Energy and Environment. In addition, we have an…
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Software Engineer 1
Pacific Northwest National Laboratory
Springfield, IL
- $83,100 USD / year
This Software Engineer 1 role will support the development of the EMSL Science Central technology platform with a focus on backend services, data infrastructure, and platform reliability.…
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Agentic AI Engineer, Senior
Deloitte
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AI Engineer III
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…significant impact on our clients' success. We are hiring an AI Engineer to build and operate the data, features, and GenAI foundations that power Human Capital AI products and analytics.…
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Senior Software Engineer, RF Spectrum Solutions
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Columbus, OH · COLUMBUS, OH
…resilience, electronic attack, and electronic support missions. The engineer will contribute throughout the full lifecycle, from concept development and prototyping through integration,…
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Shape the Future of Rotary-Wing Training as a Systems Engineer
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Senior AI Engineer II - Forward Deployment - Enterprise AI Platforms
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…by equipping teams with the skills, platforms, and seamless deployment capabilities needed to accelerate responsible AI innovation, enhance decision-making, and drive customer impact with…
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GenAI Forward Deployed Engineer IV, GenMedia, Google Cloud
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Software Engineer, Generative AI for Image/Video, 3D/4D
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Closed listing

Amazon.com Services LLC

Security Engineer, Network, Leo Security

Herndon, VA, United States

This opening has closed.

The original listing is kept below for reference.

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Posting language: English
Posted: Oct 28, 2026

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Original job description

Archived listing. The details below describe a past opening.

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 Leo Space Security team. The team defends the manufacturing lines, launch sites, and global ground infrastructure behind the constellation from the most sophisticated threat actors on the planet. You will own network security across Leo's heterogeneous environments - corporate IT, manufacturing OT/SCADA, lab, launch operations, and global ground stations - defining the security bar for every network deployment and driving detection coverage from concept to production.

Export Control Requirement Due to applicable export control laws and regulations, candidates must be a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

Key job responsibilities A Security Engineer in Amazon will be strong in multiple security domains and sought out for advice on technical issues. You will be on a team of security engineers focusing on the security of Leo's networks.

Analyze and deploy detections to production networks, leveraging automation and tooling to identify vulnerabilities and surface security events.
Conduct threat modeling for network deployments across environments and locations, including OT/ICS topologies.
Build and maintain a network security assessment framework that holds each deployment type - including OT/SCADA environments - to a consistent bar.
Translate network and OT/ICS security risks into findings with clear severity and business impact; communicate them to security leadership and drive mitigations.
Develop and maintain security documentation: network security standards, assessment runbooks, and detection coverage maps.
Partner with infrastructure and site operations teams to implement network security mitigations and hardening measures.
Contribute to incident response when network-based threats are detected, including containment, investigation, and post-incident improvement.

A day in the life One morning you might be reviewing a network architecture proposal for a new ground station deployment, defining the segmentation and monitoring requirements before the first switch is racked. That afternoon, a detection fires on anomalous lateral movement in a manufacturing network - you triage it, determine whether it's a misconfigured industrial controller or something worse, and drive the response. The next day you could be leading a threat model for a new OT protocol integration at a launch site. When you're not responding to active events, you will be evaluating Leo's network security posture end-to-end: identifying architectural weaknesses, proposing new detection initiatives, and driving cross-team programs that raise the bar across every site type.

You will have the freedom to prioritize as needed to balance your personal life, professional growth, and the delivery of your assigned projects.

About the team Leo Space Security protects the people, facilities, hardware, and supply chain behind a global satellite constellation. The network security function within this team owns detection, assessment, and hardening of Leo's IT and OT networks across lab, manufacturing, launch, and ground station environments. The team works with automation and tooling to move from reactive triage to proactive detection coverage and continuous posture measurement. You will work alongside security engineers, software engineers, and applied scientists who are building the platforms these capabilities run on.

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 scripting, programming, and security code review in a common programming language (non-internship) experience
2+ years of troubleshooting systems issues, analyzing logs, or automating basic tasks using command line tools (non-internship) experience
Knowledge of networking protocols such as HTTP, DNS and TCP/IP
Bachelor's degree in a STEM field (Science, Technology, Engineering, Mathematics), or experience in IT Security
Knowledge of industry-based security vulnerabilities and remediation techniques
Experience with network security, including one or more of: network architecture review, segmentation, firewall/ACL management, network detection, or network incident response Preferred 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 security operations, risk management, and incident response
Experience with OT/ICS/SCADA network security, including segmentation between IT and OT environments
Experience with network detection and response (NDR) tools, network telemetry analysis, or packet-level investigation
Experience with network security in manufacturing, critical infrastructure, or industrial environments
Experience with AWS networking and security services (VPC, Security Groups, Transit Gateway, GuardDuty, CloudTrail)

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, Herndon - 136,000.00 - 184,000.00 USD annually

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More about this job

Skills

SCADA
ICS
Security threats
Leadership
Documentation
Security regulations
Incident response
Supply chain management
Troubleshooting
DNS
Software development
System administration
Risk management
NDR
AWS
Recruitment
Mental health

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