IoT Edge Engineer - AWS Greengrass, BLE & Secure Gateways

NTT DATA, Inc.; Bethesda (MD); Hybrid; USD 87,000 - 182,000; Full time

Job summary

NTT DATA seeks an IoT Edge Software Engineer in Bethesda with remote options to design, develop, deploy, and maintain edge software for field-deployed dosimeter devices and gateways. You will work with AWS IoT Core (MQTT) and BLE communications on Linux gateways to enable secure, real-time data ingestion and device management.

You will collaborate with architects, backend/API teams, and security stakeholders to ensure compliant, auditable edge software that supports remote updates, diagnostics,

Qualifications

• Bachelor’s degree in engineering or related field.
• Minimum 6 years of software engineering experience.
• Minimum 1 year of backend services and APIs for cloud-based, IoT-enabled, or regulated federal systems.
• Minimum 1 year of applying modern software development methodologies (e.g., Agile, DevOps/DevSecOps).

Responsibilities

• Design, develop, and maintain edge software modules for IoT gateways, including BLE dosimeter communication and secure data transmission.
• Implement and optimize AWS Greengrass components for Linux-based gateways.
• Develop secure device authentication, data encryption, and remote firmware updates.
• Integrate edge software with AWS IoT Core, MQTT, and cloud services.
• Support real-time and batch data ingestion, including disconnected operations and re-synchronization.
• Collaborate with security/DevSecOps to meet DoD IL4/IL5 RMF requirements.
• Troubleshoot and optimize edge software performance and security.
• Document edge software components, deployment procedures, and workflows.
• Participate in code reviews and security/compliance activities.
• Provide field deployment support and ongoing operations for edge solutions.

Skills

Embedded Linux

MQTT

BLE

Edge computing

Security best practices

Team collaboration

Education

Bachelor’s degree in Engineering or related field

Tools

AWS Greengrass

AWS IoT Core

Linux

Python

Java

CI/CD pipelines

Job description

NTT DATA seeks an IoT Edge Software Engineer in Bethesda with remote options to design, develop, deploy, and maintain edge software for field-deployed dosimeter devices and gateways. You will work with AWS IoT Core (MQTT) and BLE communications on Linux gateways to enable secure, real-time data ingestion and device management.

You will collaborate with architects, backend/API teams, and security stakeholders to ensure compliant, auditable edge software that supports remote updates, diagnostics,