Role Description The IoT Edge Software Engineer is responsible for the design, development, deployment, and maintenance of edge software components that enable secure, reliable, and scalable integration between field-deployed dosimeter devices, gateways, and cloud environment. This role is central to the modernization of client's radiation exposure management, focusing on the implementation and optimization of AWS Greengrass-based IoT gateway solutions, Bluetooth Low Energy (BLE) device communication, and secure data transmission protocols. - Develop and maintain software modules that run on Linux-based gateway hardware, supporting features such as device authentication, data encryption, remote updates, and automated diagnostics. - Ensure that all edge software is auditable, maintainable, and aligned with the mission-critical needs of operational communities, supporting both connected and disconnected operational scenarios. - Deliver a robust, secure, and resilient edge computing infrastructure that enables client to provide accurate, timely, and actionable radiation exposure data across enterprise. Job Duties - Design, develop, and maintain edge software modules for IoT gateways, supporting BLE dosimeter communication, device management, and secure data transmission. - Implement and optimize AWS Greengrass components for deployment on Linux-based gateway hardware. - Develop and maintain secure device authentication, data encryption, and remote firmware update capabilities. - Integrate edge software with AWS IoT Core, MQTT messaging, and cloud services. - Support real-time and batch data ingestion workflows, including handling of disconnected operations and automated re-synchronization. - Collaborate with backend, security, and DevSecOps teams to ensure compliance with DoD IL4, FedRAMP, and RMF requirements. - Troubleshoot, optimize, and enhance edge software performance, reliability, and security. - Maintain comprehensive technical documentation for edge software components, deployment procedures, and operational workflows. - Participate in code reviews, security assessments, and compliance audits as required by contract and SOW. - Provide technical support for field deployment, user acceptance testing, and ongoing operations of edge solutions. Qualifications - Bachelor’s degree in a quantitative field such as engineering or mathematics (e.g., Electrical Engineering, Computer Engineering, Computer Science, Information Technology, or Information Systems). - Minimum 3 years of experience with software engineering. - Minimum 1 year of experience with applying modern software development methodologies (e.g., agile, DEVOPS/DEVSECOPS) in a professional or academic setting. - Ability to obtain a Secret Clearance. Preferred Qualifications - Experience with applying programming concepts in a professional or academic setting. - Experience developing backend services and APIs for cloud-based, IoT-enabled, or regulated federal systems. - Proficiency in Python, Java, or similar languages used for backend and API development. - Familiarity with AWS GovCloud, Greengrass, and secure data integration in DoD environments. - Experience implementing RBAC, organizational hierarchy, and secure authentication/authorization mechanisms. - Knowledge of DoD cybersecurity, privacy, and RMF requirements for IL4/IL5 systems. - Experience with automated testing, CI/CD pipelines, and DevSecOps practices. - Strong documentation and communication skills, including the ability to produce technical specifications and API documentation. - Experience supporting data migration, legacy system integration, and operational troubleshooting in large-scale enterprise environments. Benefits - Medical, dental, and vision insurance with an employer contribution. - Flexible spending or health savings account. - Life and AD&D insurance. - Short and long term disability coverage. - Paid time off. - Employee assistance program. - Participation in a 401k program with company match. - Additional voluntary or legally-required benefits.