Senior AI Engineer – Generative AI / RAG

Ampcus Inc; Chantilly (VA); On-site; USD 140,000 - 200,000; Full time

Job summary

Ampcus Inc. is seeking a Senior AI Engineer to design and deliver Generative AI and Retrieval-Augmented Generation (RAG) solutions for enterprise knowledge platforms and intelligent search.

You will build scalable AI apps using vector databases, semantic search, and orchestration frameworks, integrating LLMs such as OpenAI and Claude, while optimizing performance and grounding to reduce hallucinations.

Qualifications

• 7+ years in software engineering or AI/ML roles.
• Hands-on experience with Generative AI and RAG implementations.
• Proficiency with Python and AI frameworks (LangChain, LlamaIndex).
• Experience with LLM APIs, embeddings, semantic search, and prompts.

Responsibilities

• Design and implement RAG-based AI solutions and enterprise knowledge bases.
• Integrate LLMs (OpenAI, Claude, Llama) into business apps.
• Develop AI-powered chatbots, search, and conversational platforms.
• Build and optimize data ingestion, embedding, and retrieval pipelines.
• Work with vector databases (Pinecone, FAISS, Weaviate, ChromaDB).
• Collaborate with teams to deploy scalable AI solutions.
• Improve AI grounding and reduce hallucinations.

Skills

AI/ML experience

Generative AI

RAG implementations

Python

LangChain

LlamaIndex

LLM APIs

Embeddings

Vector databases

Docker

Kubernetes

Cloud platforms

Tools

Pinecone

FAISS

Weaviate

ChromaDB

OpenAI API

LangChain

LlamaIndex

Job description

Ampcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team.

Job Title: Senior AI Engineer - Generative AI / RAG

Job Location: Chantilly, VA

Job Summary

We are seeking a Senior AI Engineer with strong expertise in Generative AI, Large Language Models (LLMs), and Retrieval-Augmented Generation (RAG) to build enterprise AI knowledge platforms and intelligent search solutions. The ideal candidate will have hands‑on experience designing scalable AI applications using vector databases, semantic search, and modern AI orchestration frameworks.

Key Responsibilities

• Design and implement RAG-based AI solutions and enterprise knowledge bases.
• Integrate LLMs (OpenAI, Claude, Llama, etc.) into business applications.
• Develop AI-powered chatbots, search, and conversational AI platforms.
• Build and optimize data ingestion, embedding, and retrieval pipelines.
• Work with vector databases such as Pinecone, FAISS, Weaviate, or ChromaDB.
• Collaborate with engineering and business teams to deploy scalable AI solutions.
• Improve AI response quality, grounding, and hallucination reduction.

Required Skills

• 7 years of software engineering or AI/ML experience.
• Strong hands‑on experience with Generative AI and RAG implementations.
• Expertise with Python and AI frameworks such as LangChain or LlamaIndex.
• Experience with LLM APIs, embeddings, semantic search, and prompt engineering.
• Knowledge of vector databases and enterprise AI architecture.
• Experience with AWS, Azure, or GCP cloud platforms.
• Familiarity with APIs, Docker, Kubernetes, and MLOps/LLMOps practices.

Preferred Skills

• Experience with AI agents, fine-tuning, or Graph RAG.
• Knowledge of AI governance, security, and responsible AI.
• Experience building enterprise AI assistants or knowledge management solutions.

Ampcus is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veterans or individuals with disabilities.