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Added 2 hours ago
M
Senior Software Engineer
Microsoft
WA · Redmond, WA · Redmond
- $119,800 to $261,000 USD / year
As a Staff Engineer - AI Infrastructure Reliability in the AI Infrastructure Engineering Systems team, you will design, implement, and ensure the reliability and quality of engineering…
Added 3 hours ago
Software Development Engineer II - Regression Infrastructure, Trainium Manufacturing Infrastucture
Amazon
Austin, TX
Our Annapurna Labs team at Amazon is looking for a Software Development Engineer to own the regression infrastructure that every manufacturing software release depends on. Before new test…
Added 4 hours ago
Senior Storage Engineer
Runware
Remote, United States
As Senior Storage Engineer, you will own the storage architecture of Runware's AI supercomputer: how model weights, caches and customer data move from object storage on two continents to…
Added 4 hours ago
Sr. Solutions Architect/Sales Engineer-AI Infrastructure (GPU) -West Coast
Liqid
Remote, United States
…higher performance with less total cost, less power, and less…
Added 4 hours ago
Sr. Solutions Architect/Sales Engineer-AI Infrastructure (GPU) -West Coast
Liqid
Remote, United States
…higher performance with less total cost, less power, and less…
Added 4 hours ago
Principal Engineer, Model Performance
Runware
Remote, United States
Deep, current, hands-on CUDA and GPU architecture expertise: kernel design, memory hierarchy and occupancy, Tensor Cores, fused kernels, CUDA Graphs, NCCL, and the profilers (Nsight Systems…
Added 4 hours ago
SATCOM Systems Engineer
BOOZ, ALLEN & HAMILTON, INC.
Fort Meade, MD
As a SATCOM Systems Engineer on our team, you have the chance to shape future SATCOM systems by leading systems engineering efforts to deliver enterprise SATCOM capabilities for a worldwide…
Added 4 hours ago
SATCOM Systems Engineer, Senior
BOOZ, ALLEN & HAMILTON, INC.
Fort Meade, MD
As a SATCOM Systems Engineer on our team, you'll have the chance to shape future SATCOM systems by leading systems engineering efforts to deliver enterprise SATCOM capabilities for a…
Added 4 hours ago
Lead Engineer, AI Infrastructure (C++, C)
SpaceXSI
Palo Alto, CA · Seattle, WA
The Grok training program is looking for a lead software engineer on the AI infrastructure team. You will lead the team that architects, implements, and maintains the software…
Added 7 hours ago
Lead Network Engineer 1 - Nuclear
Sargent & Lundy
Warrenville, IL
…test plans, test cases, and execution procedures for network hardware and integrated control…
Added 8 hours ago
Senior FPGA Engineer
Cisco Systems, Inc.
San Jose, CA
The Network Hardware Engineering group (NHE) creates innovative hardware platforms central to the AI era, powering Cisco’s core Switching, Routing, and Wireless products for customers…
Added 9 hours ago
Autonomous Systems Project Engineer
PPT Solutions, LLC
Huntsville, AL
PPT Solutions is looking for an Autonomous Systems Project Engineer in the Launched Effects platforms!
Added 10 hours ago
Electronics Engineer II (Advanced Electronics Systems and Technologies | 345C)
California Institute Of Technology Jet Propulsion Laboratory
United States
JPL is seeking an extraordinary Electronics Engineer II to join the Advanced Electronics Systems and Technologies group to help accelerate the frontier of space electronics. In this role,…
Added 10 hours ago
Electronics Engineer I (Advanced Electronics Systems and Technologies | 345C)
California Institute Of Technology Jet Propulsion Laboratory
United States
JPL is seeking an extraordinary Electronics Engineer I to join the Advanced Electronics Systems and Technologies group to help accelerate the frontier of space electronics. In this role,…
Added 10 hours ago
Senior Software Engineer
Boston Scientific
Arden Hills, MN
As a Senior R&D Software Engineer, you will play a key role in developing best-in-class capital systems and software that support our comprehensive portfolio of medical technology…
Added 10 hours ago
TT
Founding Full-Stack Engineer
True Talent Solutions Partners
San Francisco, CA
- $180,000 to $240,000 USD / year
…field technicians. You will own the product layer around the AI systems, connecting smart glasses, cloud services, and companion clients into a reliable experience customers can use in the…
Added 10 hours ago
Autonomous Systems Project Engineer- Launched Effects
Integration Innovation, Inc. (i3)
Huntsville, AL
i3 is searching for an Autonomous Systems Project Engineer to serves as the technical innovator and engineering lead driving the development, integration, and flight-testing of…
Added 10 hours ago
Remote Systems Integration Engineer - SME
Peraton
Remote, United States
Join a team dedicated to protecting the safety and integrity of U.S. air travel. Peraton is seeking a Remote Systems Integration Engineer - SME to join our team and help shape the future of…
Added 11 hours ago
Senior Communication Architect and Engineer
The Aerospace Corporation
El Segundo, CA
The Senior Engineering Specialist – Communications Systems Engineering designs, develops, models, simulates, tests, and analyzes communications systems, subsystems, and electronic signals…
Added 13 hours ago
Cross Domain Network Engineer, Lead
BOOZ, ALLEN & HAMILTON, INC.
Washington, DC
As a Cross Domain Network Engineer on our team, you'll help the DoD deploy a reliable network to support national defense. You'll work with customer to learn the strategic goals and…
Added 14 hours ago
Senior Data Engineer (AWS & Databricks)
General Dynamics Information Technology
Fairfax, VA
The Senior Data Engineer will be responsible for designing, building, testing, and maintaining scalable data engineering components and platform services that power the CMM Program . This…
Added 14 hours ago
Software Development Engineer, Leo Space Security
Amazon
Arlington, VA · Herndon, VA
2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
Added 14 hours ago
Cloud, Deployment & DevSecOps Engineer
Nominal
NY · WA
Nominal is building the Hardware Intelligence Platform that gives engineers increased visibility into complex physical systems, helps them make better decisions, and ultimately gets their…
Added 17 hours ago
Hardware Architecture Manager
Ford
Dearborn, MI · Dearborn
The Global Chassis Architecture Manager (Leadership Level 4) leads the global department that defines early underbody architecture, with enhanced focus on suspension, steering, brakes, and…
Added 17 hours ago
Hardware Architecture Manager
Ford Global
Dearborn, MI
The Global Chassis Architecture Manager (Leadership Level 4) leads the global department that defines early underbody architecture, with enhanced focus on suspension, steering, brakes, and…

Amazon

Software Development Engineer, Leo Space Security

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

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Job details

Posting language: English
Posted: Oct 21, 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 software development engineer to join the founding cohort of the Engineering and R&D team within Leo Space 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. You will build 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. The platform automates incident response, threat analysis, offensive security testing, and detection authoring, backed by a high-throughput streaming pipeline that takes a detection from concept to production in hours. The team is new and the surface area is wide: the features you ship become the system Leo's security teams run on from day one.

Export Control Requirement

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

Key job responsibilities

You will own building software features across the platform and deliver them end to end: clarify the requirements, write the design, ship the code, instrument the system, and keep it healthy in production. The features you own are concrete and high-consequence: the live state-of-the-world record that answers where every tracked device is, who last held it, and whether it is where it should be; consolidated detection that surfaces events from every Leo site type as one signal instead of siloed alarms; automated triage so security events arrive enriched and pre-adjudicated, with containment executed in seconds under human approval; self-service workflows that cut multi-day manual processes down to seconds; and the instrumentation that produces the metrics the security organization reports against. You will code independently, make design tradeoffs with guidance from the senior engineers who own the platform architecture, review your teammates' code, and operate what you build.

A day in the life

One morning you might ship a correlation feature that joins device, custody, and access events so triage surfaces a pattern no single data source shows. That afternoon you could be debugging why a detection's latency regressed, profiling the pipeline stage that slowed it down, and adding the metric that catches it next time. The next day you might pair with an applied scientist to backtest a candidate detection against retained telemetry before it ships, then pick up an operational ticket and automate away its root cause so no one handles it again. You will obsess over the two latencies that define the platform, the time from event to detection and the time from detection to containment action, and treat every manual step you find as a candidate for deletion. The team is new, so what you build now becomes the foundation others build on.

About the team

Leo Space 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

3+ years of non-internship professional software development experience
2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
1+ years of software development engineer or related occupational experience
1+ years of designing and developing large-scale, multi-tiered, multi-threaded, embedded or distributed software applications, tools, systems, and services using: C#, C++, Java, or Perl experience

Preferred Qualifications

3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
Bachelor's degree in computer science or equivalent
Experience in one or more of the following domains: access- control system and methodology, network security, application- and system-development security, security architecture and models, cryptography, and operations security
Experience with performance optimization, including memory management, multi-threading, and profiling production systems
Experience with distributed systems fundamentals, including consensus, message passing, and fault tolerance
Experience with graph databases, knowledge graph platforms, or large-scale data modeling (Neptune, Neo4j, or equivalent)

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 - 143,700.00 - 194,400.00 USD annually

USA, VA, Herndon - 143,700.00 - 194,400.00 USD annually

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More about this job

Skills

Software development
Incident response
Debugging
Supply chain management
C#
C++
Oracle Java
Perl
Computer science
Control systems
Data modelling
Neo4j
Recruitment
Mental health

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