Senior AI Engineer – Mission-Critical ML (TS/SCI)

Booz Allen Hamilton; Wando (SC); On-site; USD 99,000 - 225,000; Full time

Job summary

Booz Allen Hamilton seeks an experienced machine learning engineer to train, test, deploy, and maintain models that learn from data, supporting national security initiatives. You will lead mission-critical ML directions and collaborate with a team to deliver advanced retrieval capabilities, agent architectures, and secure, scalable workflows.

The role requires deep ML knowledge, experience with distributed systems, and a TS/SCI clearance (polygraph willingness).

Qualifications

• 5+ years of professional experience.
• Experience with production MCP server/client implementations, LangGraph, CrewAI, and Claude Agent SDK.
• Experience deploying GraphRAG with knowledge graphs and vector search.
• Experience with JSON Schema and Protobuf.
• Experience integrating IAM tokens/claims to enforce zero-trust per-user data entitlements.
• Experience building fault-tolerant distributed systems and idempotency in API/tool mutations.
• Knowledge of context compression, state serialization, and session persistence.
• Ability to design non-standard cognitive architectures.
• Active TS/SCI clearance; willingness to take a polygraph exam.
• Bachelor's degree in Cybersecurity, Computer Engineering, Electrical Engineering, Electronics Engineering, Mathematics, or Computer Science.

Responsibilities

• Train, test, deploy, and maintain ML models.
• Lead direction of mission-critical ML solutions for national security.
• Collaborate with ML engineers to deliver agent architectures and retrieval pipelines.
• Enforce user permissions and controlled execution in ML workflows.
• Guide clients on ML algorithms, tools, and frameworks.

Skills

ML engineering

MCP server/client

LangGraph

CrewAI

Claude Agent SDK

GraphRAG

Knowledge graphs

Vector search

Dynamic query routing

Self-correcting retrieval pipelines

JSON Schema

Protobuf

Zero-trust IAM

Fault-tolerant distributed systems

Idempotency keys

Early-exit stop conditions

Automated budget enforcement

HITL state suspension

Context compression

State serialization

Session persistence

Cognitive architectures

TS/SCI clearance

Polygraph willingness

Education

Bachelor's degree in Cybersecurity/Computer/Electrical/Electronics/Mathematics/CS

Tools

MCP

JSON Schema

Protobuf

LangGraph

CrewAI

Claude Agent SDK

Job description

Booz Allen Hamilton seeks an experienced machine learning engineer to train, test, deploy, and maintain models that learn from data, supporting national security initiatives. You will lead mission-critical ML directions and collaborate with a team to deliver advanced retrieval capabilities, agent architectures, and secure, scalable workflows.

The role requires deep ML knowledge, experience with distributed systems, and a TS/SCI clearance (polygraph willingness).