Senior AI Engineer

Johnson Service Group Inc. is hiring a contract Senior AI Engineer to help build and scale enterprise AI platforms in the Microsoft Azure ecosystem. This hybrid role is based in Boston, MA with 3 days per week on site, supporting client teams across the continental US. If you enjoy applying strong engineering practices to AI systems such as Azure AI Foundry
, enterprise RAG
, and agentic experiences, this position is built for you.

• Azure AI Foundry capabilities including models, prompts, tools, orchestration, observability
  , and governance
  .
• Agentic systems using Lang Chain and Lang Graph
  , with guardrails
  , retries
  , and policy-driven execution
  .
• Enterprise RAG solutions with Azure AI Search and Azure AI Embeddings
  .
• Automated ingestion pipelines and integration with enterprise knowledge sources such as Share Point and Azure Dev Ops Wiki
  .
• AI experiences across Azure Bot Service
  , Microsoft Teams
  , and Microsoft 365 Copilot
  .

You'll implement security and governance practices for production AI, including Responsible AI
, PII filtering
, prompt governance
, RBAC
, and Key Vault controls. You'll also apply CI/CD and Dev Ops practices for AI agents, prompts, skillsets, and indexes.

This role includes leading and mentoring engineers
, alongside close collaboration with architecture, security, and compliance teams
.

• Strong Python development experience, including Poetry
  .
• Experience with Azure OpenAI /
  Azure AI Services and Azure AI Foundry
  .
• Strong Azure AI Search experience, including hybrid
  , semantic
  , vector search
  , skillsets
  , and indexers
  .
• Experience building agentic AI solutions with Lang Chain and Lang Graph
  , including agent orchestration.
• Enterprise RAG development and AI platform governance experience.
• Experience with Azure Bot Service
  , Microsoft Teams
  , and Microsoft 365 Copilot
  .
• Azure experience with Azure Blob Storage
  , Logic Apps
  , Azure Functions
  , and Azure Dev Ops
  .

• Service Now Integration Hub experience.
• Experience with agent observability
  , evaluation, and trace tooling.
• Experience operating AI systems at enterprise scale
  .

Compensation: USD $55-$70 per hour (dependent on experience). This is a contract position.