Software Engineer II, Secure Embedded Fleet Platform

Amazon Web Services (AWS); Herndon (VA); On-site; USD 143,700 - 194,400; Full time

Job summary

Amazon Development Center U.S., Inc. in Herndon, VA is seeking a Software Development Engineer to design, build, and operate a mission-critical, multi-tenant platform for managing large-scale fleets of embedded devices.

You will work at the intersection of distributed systems, security engineering, and fleet operations, delivering reliable, secure infrastructure across enterprise environments.

Qualifications

• Bachelor's degree in computer science or equivalent.
• 3+ years of non‑internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience.
• 2+ years of experience with at least one system programming language such as C, C++, or Rust.
• Strong background in security-hardened system design, including PKI, mutual TLS, and cryptographic signing.
• Proficiency with PostgreSQL or similar relational databases, including row‑level security and policy‑based access control.
• Current, active US Government Security Clearance of Top Secret with SCI eligibility or above.

Responsibilities

• Build cryptographic trust infrastructure supporting multiple certificate authority hierarchies with offline validation mechanisms suited to disconnected environments
• Implement multi‑tenant data isolation using ABAC, row‑level security, and transparent query rewriting — designed to scale from single‑tenant to hundreds of tenants over a 5‑year horizon
• Develop cryptographic integrity mechanisms for configuration and audit data, including chained signatures and append‑only tamper‑evident logging
• Engineer emergency access ("break‑glass") workflows with time‑bounded credentials, multi‑party approval, and segregated audit trails
• Ensure all cryptographic operations leverage FIPS 140‑2 Level 3 validated key management with strict key isolation boundaries
• Design reconciliation protocols where edge devices remain the recommended source of truth, with backend systems maintaining synchronized projections

Skills

Security design

PKI

Mutual TLS

Cryptographic signing

Distributed systems

Education

Bachelor's degree in computer science or equivalent

Tools

PostgreSQL

Job description

Amazon Development Center U.S., Inc. in Herndon, VA is seeking a Software Development Engineer to design, build, and operate a mission-critical, multi-tenant platform for managing large-scale fleets of embedded devices.

You will work at the intersection of distributed systems, security engineering, and fleet operations, delivering reliable, secure infrastructure across enterprise environments.