Senior AWS Generative AI Solution Engineer

Leidos is seeking an experienced Senior AWS Generative AI Solution Engineer to design and implement the reasoning layer for a GenAI-enabled HUD FHA Resource Center. The selected candidate will lead development of a multi-agent solution using Amazon Bedrock AgentCore Runtime Knowledge Bases Guardrails OpenSearch Serverless AWS Lambda and Retrieval-Augmented Generation to support grounded voice and chat interactions.

Core Responsibilities:

• Design and implement Amazon Bedrock Agents including a Supervisor Agent and domain-specific Sub-Agents.

• Develop Retrieval-Augmented Generation workflows using Amazon Bedrock Knowledge Bases and OpenSearch Serverless.

• Implement prompt engineering agent routing confidence logic and low-confidence fallback behavior.

• Configure Bedrock Guardrails for PII redaction prompt-injection detection denied topics content safety and grounding evaluation.

• Build Lambda orchestration to connect Lex V2 Bedrock AgentCore response generation and human transfer decisions.

• Support session management conversation context persistence and cross-channel consistency for voice and chat.

• Integrate the GenAI stack with Amazon Connect Salesforce CloudWatch DynamoDB S3 SNS IAM and KMS.

• Lead AI testing response quality tuning grounding validation and latency optimization across production-like scenarios.

Please Note: This is 100% telework/remote opportunity. However candidate must be/reside in the Gaithersburg MD/Washington DC metro area.

Required Qualifications:

• Bachelors degree and 8 years of relevant experience OR Masters degree with 6 years of relevant experience. Additional years of relevant experience may be considered and/or accepted in lieu of degree.

• 8 years of software engineering OR cloud development experience.

• At least 3 years of Generative AI OR LLM application development experience.

• Strong Python development skills and experience building production AWS solutions.

• Hands-on experience with Amazon Bedrock RAG patterns and vector-based retrieval.

• Experience with APIs distributed systems and secure cloud architecture.

• Ability to work effectively in a regulated government environment.

• Ability to obtain and maintain a Public Trust security clearance.

• US Citizen.

Preferred Qualifications:

• AWS certifications such as AI Practitioner Machine Learning Specialty OR Solutions Architect Professional.

• Experience with Amazon Bedrock Agents AgentCore Runtime Guardrails and Knowledge Bases.

• Experience with Claude models agent frameworks or multi-agent orchestration patterns.

• Familiarity with FedRAMP environments and government AI governance requirements.

• Experience with LangChain Strands Agents or other agent development frameworks.

Success Measures:

• Supervisor Agent and Sub-Agents are implemented and tested across HUD service domains.

• Responses are grounded accurate and safely filtered through Guardrails.

• Confidence scoring and fallback behavior support reliable human escalation.

• The GenAI platform is production-ready maintainable and compliant with security and privacy requirements.

Target Technical Skills: Highly Desired/Preferred Skills (Nice to Have):

• Amazon Bedrock Bedrock Agents Bedrock Guardrails Bedrock Knowledge Bases AgentCore Runtime.

• Retrieval-Augmented Generation prompt engineering multi-agent systems vector search.

• AWS Lambda Amazon Lex V2 Amazon Connect CloudWatch.

• Python REST APIs JSON CloudFormation or Terraform CI/CD.

• OpenSearch Serverless DynamoDB S3 IAM KMS.

Please Note: The program budget salary for this role could fall anywhere between $130000 to low/mid $150000 with a slight wiggle room (no guarantees) based on relevant experience and assessment. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.

If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.