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Added 16 mins ago
Data Engineer/Architect
Leidos
Remote, United States
Leidos has an exciting opportunity for an experienced Data Engineer/Architect to support the design of a new data foundation. This foundation will support generative AI applications,…
Added 16 mins ago
Electrical Commissioning Engineer II
Bureau Vertias North America
VA
…This position is also responsible for participating in the MEP design process, witnessing and/or performing the static and dynamic testing of mechanical, electrical, and controls systems,…
Added 16 mins ago
Electrical Commissioning Engineer 1.5
Bureau Vertias North America
VA
…This position is also responsible for participating in the MEP design process, witnessing and/or performing the static and dynamic testing of mechanical, electrical, and controls systems,…
Added 16 mins ago
Mechanical Commissioning Engineer I
Bureau Vertias North America
VA
…This position is also responsible for participating in the MEP design process, witnessing and/or performing the static and dynamic testing of mechanical, electrical, and controls systems,…
Added 16 mins ago
Lead Director Product Membership
CVS Health
Remote, United States
…Development Engineers, Data Engineers, Salesforce Analysts, and System Administrators) focused on building, scaling, and optimizing the technology that powers CVS Healthcare Delivery (HCD)…
Added 16 mins ago
Network Engineering/Operations Site Lead
Leidos
Fort Belvoir, VA
…the technical expertise of the engineering team for detailed design and…
Added 16 mins ago
Expert Level Systems Engineer
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Fort Belvoir, VA
…evaluation, maintainability and analysis across the National System of Geospatial-intelligence (NSG), Allied System of Geospatial-intelligence (ASG) and Federal Agencies to ensure timely…
Added 16 mins ago
*Guidance Navigation Control (GNC) Engineers - Level 3 - TS Cleared (AHT)
Northrop Grumman
Dulles, VA
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Added 16 mins ago
Cyber Hardware Reverse Engineer
CACI International
Sterling, VA
…analyzing embedded binaries, and investigating RF data to identify system behavior. An ideal candidate can balance multiple projects in a fast-paced, interdisciplinary, R&D environment and…
Added 16 mins 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 16 mins ago
ENGINEER SOFTWARE 1
Huntington Ingalls Industries
Newport News, VA
…equipment designers and/or hardware engineers in the planning, design, development, and utilization of electronic data processing systems for product and commercial software. Determines…
Added 16 mins ago
SAP NS2 Senior Cloud Security Engineer-TS/SCI poly Onsite - Chantilly, VA
SAP
Herndon, VA
The NS2 Senior Cloud Security Engineer candidate will be responsible for leading the development of a stand-alone implementation of SAP Products and solutions that meet our client’s complex…
Added 17 mins ago
SETA Systems Engineer (Mid)
Trinzic
Chantilly, VA
KBR is seeking a Systems Engineer (SETA) to support our customer. The Technical Professional (SETA) provides systems engineering and analytical support to help inform national security…
Added 17 mins ago
Software Development Engineer, Leo Space Security
Amazon
Arlington, VA · Herndon, VA
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…
Added 17 mins ago
Information Systems Security Engineer (ISSE)
Amazon
Arlington, VA
We are seeking a Senior Information Systems Security Engineer (ISSE) to raise the security bar for a portfolio of classified national security systems. You will work backward from mission…
Added 17 mins ago
Data Engineer, Analytics (Technical Leadership)
Meta
Richmond, VA
Data Engineer, Analytics (Technical Leadership) Responsibilities:
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Cloud Engineer
Maximus
Richmond, VA
Maximus is seeking a Cloud Engineer to support a defense client remotely.
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…independent control assurance remain with those teams, and design and build of enterprise security infrastructure remains with Information Security Architecture and Engineering. The…
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OneStream Lead Analytics and Insights Engineer II Manager
Deloitte
Rosslyn, VA · McLean, VA · Richmond, VA
…unlock value. Your work may span strategy, operations, process design, and technology as we partner with clients to transform…
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Staff Software Architect
CVS Health
Richmond, VA
Serve as technical authority for system design and architecture decisions, providing guidance and governance across multiple engineering squads and product teams
Added 17 mins ago
Senior Data Scientist/Engineer and Application Developer
Deloitte
Richmond, VA · McLean, VA · Rosslyn, VA
Deloitte is seeking a Data Engineer III to support the design, development, and delivery of data solutions that enable analytics, reporting, and business decision-making. This role will…
Added 17 mins ago
Pulsed Power Engineer, Senior
BOOZ, ALLEN & HAMILTON, INC.
King George, VA
…weapon s and combat systems. That's why we need an electrical engineer like you who spe cia lizes in high-power RF or pulsed power to help us design and develop systems that can operate…
Added 17 mins ago
Electrical Engineer, Mid
BOOZ, ALLEN & HAMILTON, INC.
Dahlgren, VA
…use in complex environments. That's why we need an electrical engineer like you who spe cia lizes in hardware to help us research, design, procure, and develop targets and target sets for…
Added 17 mins ago
ENGINEER ELECTRICAL 1
HII
Newport News, VA
…solution architects, technical subject matter experts, and system users. We collaborate together at the forefront of technology, manufacturing, and integration of the most powerful and…
Added 17 mins ago
ENGINEER ELECTRICAL 5
HII
Newport News, VA
We are seeking an Electrical Engineer 5 to serve as the technical project lead for the next-generation attack submarine electric plant. Reporting to the E11 Manager of the Future Propulsion…

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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