DSCA Senior AI​/RAG Engineer; Software Development Analyst

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Location: Arlington, VA, Remote, United States

Requisition Number:30714

Required Travel: 0 - 10%

Employment Type:

Full Time/Salaried/Exempt

Anticipated Salary Range:$-$

Security Clearance:

Secret

Level of

Experience:

Senior

This opportunity resides with Warfare Systems (WS), a business group within HII’s Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5

ISR systems.

HII works within our nation’s intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.

Meet HII’s Mission Technologies Division Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Find the role that’s right for you.

We look forward to meeting you.

Join the growing Warfare Systems Business Group at HII–Mission Technologies! We are seeking an experienced Senior AI/RAG Back-End Developer (Python, APIs, AWS Gov Cloud) to support Defense Security Cooperation Agency (DSCA) by building secure, scalable services and integrations for an AI‑enabled enterprise application. In this role, you will design and implement the application layer that connects the front end with enterprise systems, relational databases, and approved AI/RAG capabilities within an AWS Gov Cloud IL4/IL5 environment.

• Develop and maintain production-grade Python backend services and RESTful APIs using FastAPI, Flask, Django, or similar frameworks
  .
• 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 Dev Sec Ops  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.

• 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 API
  s.
• 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…