Software Development Engineer, Leo Security

Project Leo is an initiative to launch 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. This role has a focus on building services to support our public key infrastructure including key management, cryptography, firmware signing, and secure device provisioning. THE ROLE Have you wanted an opportunity to develop software for an advanced satellite broadband telecom service? In this role you will build software for secure communications and strong authentication, enabling the confidentiality for our customers and security for our constellation. Our team drives the development, deployment, and operation of mission-critical security systems for the Leo constellation and customer terminals. We are looking for a Software Development Engineer interested in building services around public key infrastructure, certificate management, and identity management for Project Leo. 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. About the team Diverse Experiences Amazon Security values diverse experiences. Even if you do not meet all of the qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying. Why Amazon Security? At Amazon, security is central to maintaining customer trust and delivering delightful customer experiences. Our organization is responsible for creating and maintaining a high bar for security across all of Amazon’s products and services. We offer talented security professionals the chance to accelerate their careers with opportunities to build experience in a wide variety of areas including cloud, devices, retail, entertainment, healthcare, operations, and physical stores. 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 we strive for flexibility as part of our working 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 - Experience programming with at least one software programming language 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 with at least one of PKI (public key infrastructure), HSMs (Hardware Security Modules), Encryption, Cryptography, Key Management, or Secure Device Provisioning. - Experience in Rust, C++, or Java 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, WA, Redmond - 143,700.00 - 194,400.00 USD annually Job details USA, WA, Redmond Software Development Related jobs Software Development Engineer II - Amazon Robotics, Proteus AMR, Motion Location: USA, MA, North Reading Posted: April 15, 2026 (Updated 7 minutes ago) Software Development Engineer, Neuron Foundation Tools Location: USA, WA, Seattle Posted: November 18, 2025 (Updated 39 minutes ago) Software Development Engineer, Neuron Foundation Tools Location: USA, WA, Seattle Posted: March 11, 2026 (Updated 42 minutes ago) Software Development Manager - Amazon Redshift Catalog, Amazon Redshift Location: USA, CA, East Palo Alto Posted: March 27, 2026 (Updated 42 minutes ago) Software Dev Engineer III, RDS for Oracle Location: USA, WA, Redmond Posted: May 26, 2026 (Updated 44 minutes ago) Share this job