Principal IT Pillar Specialist
Mcdermott · mcdermott.com
Sabine PassLead / Manager5+ yrs
The job in short
Backend .NET web API development with AI agent integration.
C#.NETSQLAzureLLMsRAG
Details
- Found
- 23 d ago · posted 2026-07-30
- Location as listed
- Sabine Pass, TX, United States
- Role
- Backend Engineer
- Source
- The company’s own careers site
Full description
Job Overview:
The Principal IT Pillar Specialist is responsible for interpreting internal or external business issues and recommending best practices. They will be tasked with solving complex IT Pillar-related problems and will work independently with minimal guidance. They may be responsible for leading functional teams or projects and are regarded as a specialist in the field of IT Pillar. As such, they must have in-depth expertise in the IT Pillar as well as broad knowledge of the IT Pillar discipline within the Information Technology function.
Key Tasks and Responsibilities:
• Application Development & .NET Web APIs
• Develop and maintain scalable backend services and APIs using ASP.NET Core (.NET 8/9)
• Implement application security and identity management using Microsoft Entra ID
• Write clean, maintainable, and asynchronous code utilizing modern C# features and programming paradigms
• Collaborate with senior engineers to troubleshoot, debug, and optimize application performance
• AI Integration & Foundry Platform Tools
• Assist in building and deploying intelligent AI agents using the Foundry Agent Service and Azure.AI.Projects SDK
• Connect applications to LLMs and foundational models sourced from the Foundry Models catalog
• Implement Retrieval-Augmented Generation (RAG) by integrating Foundry IQ for data ingestion and semantic search
• Run evaluations, track operational metrics, and apply content guardrails through the Foundry Control Plane
Essential Qualifications and Education:
• Education: Bachelor's degree /master's in computer science, Software Engineering, or equivalent practical experience
• Experience: 5+ years of software development experience with the Microsoft technology stack
• Language/Frameworks: Expertise in C#, .NET Core / .NET 8+, and Web APIs
• AI Platform: Hands-on experience with Microsoft Foundry (formerly Azure AI Studio), Prompt Flow, and Agent Frameworks (e.g., Semantic Kernel or AutoGen)
• Cloud & Infrastructure: Solid experience with Azure app hosting (Azure Container Apps, Functions) and databases (Azure Cosmos DB, SQL)
• AI Coding Tools: Mastery of GitHub Copilot Extensions and setting up context-driven Agent Skills
#LI-MS1
#DICE
Backend Engineer jobs in the United States · All Mcdermott jobs