Senior AI Engineer — Prompting, Agentic AI & RAG

Asterism IT Solutions; Illinois; On-site; USD 140,000 - 170,000; Full time

Job summary

Asterism IT Solutions is seeking an experienced AI Engineer in the United States for hands-on Prompt Engineering, LLM application development, Agentic AI, and RAG workflows. You will design reliable, context-aware AI solutions, integrate LLMs with enterprise systems, and improve model response quality and safety.

The role emphasizes secure data handling, governance, and collaboration with product, architecture, and engineering teams to deploy production-ready AI agents and MCP-enabled workflows.

Qualifications

• 9+ years of professional IT/software engineering experience.
• Strong hands-on Prompt Engineering experience with templates, system prompts, and tuning.
• Hands-on experience with LLMs such as GPT, Claude, Gemini, Llama, or similar models.
• Experience developing AI applications using LLM APIs, RAG workflows, enterprise data sources, and backend services.
• Strong programming experience with Python, JavaScript, or similar languages.
• Knowledge of RAG, embeddings, vector databases, semantic search, and knowledge retrieval workflows.
• Understanding of NLP, hallucination mitigation, prompt-injection risks, guardrails, and responsible AI.
• Experience integrating AI solutions with APIs, backend services, and enterprise systems.
• Knowledge of healthcare data privacy and secure handling incl. HIPAA-aligned practices, PHI/PII protection, data minimization, de-identification, data masking, access controls, auditability, and responsible use of healthcare data in AI workflows.

Responsibilities

• Design, develop, and optimize prompts for LLMs to improve accuracy and business outcomes.
• Build Agentic AI solutions supporting planning, reasoning, memory, and multi-step task execution.
• Develop MCP tools enabling AI agents to securely interact with enterprise systems, APIs, and data sources.
• Design agent architectures, tool-calling frameworks, retrieval mechanisms, and context-management strategies.
• Develop AI-powered applications using LLM APIs, RAG workflows, enterprise data sources, and backend services.
• Implement Retrieval-Augmented Generation, knowledge grounding, embeddings, vector databases, and semantic search.
• Evaluate and improve LLM responses for accuracy, relevance, completeness, tone, and instruction following.
• Develop evaluation frameworks and prompt-testing methodologies to measure AI agent performance, quality, and reliability.
• Apply NLP concepts, hallucination mitigation techniques, prompt-injection protection, guardrails, and responsible AI practices.
• Collaborate with product managers, architects, and engineering teams to translate business requirements into AI-driven solutions.
• Ensure AI solutions follow security, compliance, governance, and responsible AI standards.
• Support deployment, monitoring, troubleshooting, and continuous improvement of AI agents and MCP-enabled workflows.
• Contribute to architecture reviews, technical design documentation, and AI engineering best practices.

Skills

Prompt Engineering

LLMs

Python

APIs & Backend

RAG

NLP

Security & HIPAA

Tools

MCP servers

Agentic AI framework

Job description

Asterism IT Solutions is seeking an experienced AI Engineer in the United States for hands-on Prompt Engineering, LLM application development, Agentic AI, and RAG workflows. You will design reliable, context-aware AI solutions, integrate LLMs with enterprise systems, and improve model response quality and safety.

The role emphasizes secure data handling, governance, and collaboration with product, architecture, and engineering teams to deploy production-ready AI agents and MCP-enabled workflows.