Senior AI Engineer (MS Copilot)

Expleo • Minneapolis, MN

2d • Remote

About The Position

Are you someone who knows how to get real value out of Microsoft Copilot—and also knows when it’s time to go beyond out‑of‑the‑box features? Trissential is hiring a Senior AI Engineer to join our client’s team and design production‑ready AI systems that start inside the Microsoft Copilot ecosystem and extend into custom, enterprise‑grade architectures.
This role is perfect for an engineer who enjoys blending platform‑native Copilot capabilities with custom AI engineering, delivering solutions that are secure, scalable, and grounded in real enterprise data.

Requirements

• 5+ years of experience in software engineering, AI/ML systems, or enterprise platforms
• Hands-on experience within the Microsoft Copilot ecosystem
• Practical experience with Azure OpenAI Service
• Strong Python skills and experience building production APIs (FastAPI, Flask, or similar)
• Experience designing and implementing RAG-based systems
• Solid understanding of prompt design, context management, and grounding techniques
• Experience integrating AI solutions with enterprise data sources
• Comfort working in secure, governed enterprise environments
• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent practical experience)

Nice To Haves

• Production experience with Azure AI Search (Cognitive Search)
• Experience designing Copilot extensions backed by custom RAG systems
• Familiarity with orchestration frameworks such as LangChain or LlamaIndex (used pragmatically)
• Experience implementing reranking and relevance tuning
• Experience with LLM evaluation frameworks (groundedness, accuracy, reliability)
• Prior consulting or enterprise client experience
• Familiarity with Azure AI Foundry or similar tooling
• Microsoft or Azure certifications are preferred but not required

Responsibilities

• Design and implement solutions using Microsoft Copilot Studio, Microsoft 365 Copilot, and Azure OpenAI
• Extend Copilot capabilities through custom engineering, including backend APIs and retrieval systems
• Build and maintain LLM-powered services that support Copilot extensions and standalone enterprise use cases
• Design and implement retrieval-augmented generation (RAG) pipelines, including: • Document ingestion and normalization
• Chunking, metadata, and embedding strategies
• Indexing using vector and hybrid search approaches
• Implement hybrid retrieval strategies (keyword + vector + reranking) for grounded AI outputs
• Integrate AI solutions with enterprise systems such as SharePoint, Microsoft Graph, SQL, and internal APIs
• Design systems with clear attention to: • Security and data access boundaries
• Reliability and failure handling
• Performance, latency, and cost efficiency in Azure
• Establish evaluation, monitoring, and quality metrics for Copilot and LLM-based systems
• Collaborate with client stakeholders to translate business needs into Copilot-first, extensible AI solutions

Benefits

• Comprehensive Benefits for you and your dependents – Medical, dental, vision, free tele‑health, HSA with company contribution, life and disability insurance, and 401k with matching
• Paid Time Off –Offers ffer paid time away from work
• Fully Remote Work – Collaborate with top engineers and stakeholders from anywhere in the U.S.
• Enterprise Exposure – Work on real, production AI systems at scale
• Supportive Consulting Culture – Transparent communication, strong delivery support, and career advocacy

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees