Senior Software Architect: Secure IoT Fleet Platform

Amazon Web Services (AWS); Herndon (VA); On-site; USD 168,000 - 227,000; Full time

Job summary

Amazon Development Center U.S., Inc. in Arlington/Herndon area is seeking a Senior Software Development Engineer to design, build, and operate a mission-critical, multi-tenant platform for large-scale embedded devices in secure enterprise networks.

The role requires US citizenship and an active TS/SCI with polygraph, and offers the opportunity to shape distributed systems, security engineering and fleet operations at scale within AWS.

Qualifications

• 7+ years leading design or architecture of systems.
• 5+ years professional software development experience.
• 5+ years of programming experience in at least one language.
• Experience as a mentor or tech lead.
• Strong background in security-hardened system design (PKI, mutual TLS, signing).
• Proficiency with PostgreSQL and row-level security.
• Active US Government TS/SCI clearance with polygraph (or higher).

Responsibilities

• Architect and develop a microservices-based platform for fleet management and related subsystems.
• Design secure inter-service communication across control and data planes.
• Build cryptographic trust infrastructure with multiple CA hierarchies.
• Implement multi-tenant data isolation with ABAC and RLS.
• Develop cryptographic integrity for config and audit data with tamper-evident logging.
• Engineer break-glass workflows with time-bounded credentials and audit trails.
• Ensure cryptographic operations use FIPS 140-2 Level 3 KMS boundaries.
• Design reconciliation where edge devices remain source of truth with synced backend projections.

Skills

Software architecture

Mentorship / tech lead

Security design

PostgreSQL / RLS

Team leadership

IoT security

Education

Bachelor's degree in CS

Tools

PostgreSQL

Job description

Amazon Development Center U.S., Inc. in Arlington/Herndon area is seeking a Senior Software Development Engineer to design, build, and operate a mission-critical, multi-tenant platform for large-scale embedded devices in secure enterprise networks.

The role requires US citizenship and an active TS/SCI with polygraph, and offers the opportunity to shape distributed systems, security engineering and fleet operations at scale within AWS.