DSCA Senior AI/RAG Engineer (Software Development Analyst) - 30714 Job Details | HII's Mission Technologies division

HII’s Mission Technologies division is hiring a Senior AI/RAG Engineer to support the Defense Security Cooperation Agency (DSCA). The role builds secure, scalable Python backend services and integrations for an AI-enabled enterprise application in an AWS GovCloud environment.

Responsibilities:

• Develop and maintain production-grade Python backend services and RESTful APIs using FastAPI, Flask, Django, or similar frameworks
• Design secure API contracts, including schemas, documentation, validation, authentication, authorization, error handling, and versioning
• Implement application business logic, workflows, asynchronous processing, and integrations with enterprise systems, databases, and AI/RAG services
• Integrate services with approved Amazon Bedrock capabilities using Boto3 and defined AI service interfaces
• Support streamed AI responses and implement appropriate retries, timeouts, logging, auditing, and error-recovery mechanisms
• Design and optimize PostgreSQL or equivalent relational database models, queries, transactions, and data-access patterns
• Implement Zero Trust-aligned security practices, including DoW/DoD ICAM integration, least-privilege access, secure service-to-service communication, API-level authorization, encryption, secrets management, and audit logging
• Develop and remediate application components in accordance with applicable STIG/SRG requirements and support security assessment and authorization activities
• Contribute to DevSecOps practices, including Git, CI/CD, automated testing, containerized delivery, vulnerability remediation, and application monitoring
• Collaborate with front-end, AI/ML, platform, cybersecurity, and identity teams to deliver dependable application capabilities

Requirements:

• Strong experience developing Python backend services and RESTful APIs
• Experience with FastAPI, Flask, Django, or comparable Python web frameworks
• Experience with SQL and relational databases, preferably PostgreSQL
• Experience integrating cloud services, enterprise systems, and external or internal APIs
• Experience integrating applications with AI/LLM or RAG services
• Experience with Git, automated testing, CI/CD, secure software development, and containerized applications
• Working knowledge of AWS cloud services and cloud-native application design
• Experience implementing authentication, API and service-level authorization, and enterprise identity integration using standards or patterns such as OAuth 2.0, OpenID Connect, SAML, JWT, RBAC, or ABAC
• Working knowledge of DoW/DoD ICAM, Zero Trust principles, least-privilege access, and secure software supply-chain practices
• Familiarity with applicable DISA STIGs, SRGs, secure configuration requirements, and vulnerability-remediation workflows
• Must possess and maintain an active Secret clearance at the time of consideration
• 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD in related field; or High School Diploma or equivalent and 9 years relevant experience
• 9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD in related field; or High School Diploma or equivalent and 13 years relevant experience
• 8+ years of preferred experience
• Experience working in AWS GovCloud, including Amazon Bedrock, API Gateway, S3, and Boto3
• Experience with streaming APIs, WebSockets, server-sent events, queues, or asynchronous processing patterns
• Experience with RAG architectures, vector databases, document-ingestion workflows, or AI orchestration services
• Experience supporting RMF activities, security-control evidence, continuous monitoring, or STIG/SRG assessment remediation
• Experience working with front-end, AI/ML, platform, cybersecurity, and identity-management teams