RAG Application Engineer
Booz Allen Hamilton23 days ago
Annapolis Junction, MD, USAMid Level
H1B sponsor
Base Salary
$69k - $158k/yr
Responsibilities
- Build and maintain RAG application runtime logic covering embedding generation, hybrid retrieval, vector search, reranking, citation assembly, grounding validation, and guardrails.
- Develop API endpoints, request pipelines, orchestration logic, service routing, and integrations with AI models and search services.
- Implement authentication, authorization, retry, backoff, timeout, error-handling, rate-limiting, caching, and other resilient service patterns.
- Containerize applications and deploy services using Docker, ECS, EKS, or Kubernetes.
- Build structured logs, metrics, traces, and other telemetry for stable and observable services.
- Collaborate with Cloud, Security, Data, Search, and Site Reliability Engineering teams to optimize retrieval behavior and prepare systems for mission use.
Requirements
- Experience building backend or platform services with Python or Java.
- Experience designing or integrating RAG workflows involving embeddings, hybrid retrieval, vector search, and reranking.
- Experience implementing API request pipelines, orchestration logic, and service routing for AI model and search calls.
- Experience enforcing authentication and authorization within service logic.
- Experience developing resilient services with retry, backoff, timeout, and error-handling strategies.
- Experience containerizing applications with Docker and deploying to ECS, EKS, or Kubernetes.
- Experience building telemetry with structured logs, metrics, and traces.
- TS/SCI clearance with a polygraph is required.
- A high school diploma or GED is required.
- Preferred experience includes Amazon Bedrock, OpenSearch with BM25 and vector search, citation and grounding logic, API gateways, message queues, Kafka, Amazon SQS, evaluation data pipelines, Terraform, CloudFormation, or AWS CDK.
Benefits
- Health, life, disability, financial, and retirement benefits are available to eligible employees.
- Paid leave, professional development, tuition assistance, work-life programs, dependent care, and recognition awards are offered.
- Eligible full-time and part-time employees working at least 20 hours per week on a regular basis may participate in benefit programs.
- The position is onsite rather than remote, with work primarily performed at a Booz Allen or customer facility in Annapolis Junction or Fort Meade, Maryland.
Categories
About Booz Allen Hamilton
Booz Allen Hamilton builds and integrates software, analytics, AI, cloud, and cybersecurity solutions while providing engineering and consulting services, primarily for U.S. defense, intelligence, and civil government clients, with select commercial partnerships. Its business is largely government contracting and professional services delivering mission systems and cyber defense. Founded in 1914 and headquartered in McLean, Virginia, Booz Allen is a public company traded on the NYSE (ticker: BAH).