Senior Principal Architect – AI/ML

What success looks like in this role:

About the Role

The Senior Principal Technical Architect – Generative & Agentic AI is an enterprise-level technology authority within the Engineering Group, specifically aligned to the AI & Machine Learning Software Engineering function. This role owns the architecture, standards, and technical direction for Generative AI and agent-based systems, transforming AI/ML models into secure, scalable, production-grade solutions. The architect collaborates across engineering, platform, and product teams to drive responsible, high-impact AI adoption at scale

This is a hands-on position with the expectation of performing rapid proof of concepts to evaluate potential use of new technology or tooling.

Principal Responsibilities

• Act as enterprise design authority within the Engineering Group for Generative AI and Agentic AI solutions
• Define and govern end-to-end AI architecture, from data ingestion and embeddings to orchestration, inference, and observability
• Design and lead development of LLM-powered applications using RAG, vector databases, and multi-agent frameworks
• Architect agentic AI systems capable of reasoning, planning, tool usage, memory, and goal execution
• Convert business problems and hypotheses into PoCs, pilots, and enterprise platforms
• Evaluate, select, and standardize AI models, frameworks, orchestration tools, and platforms
• Define LLMOps / AgentOps practices including deployment, monitoring, evaluation, cost control, and lifecycle management
• Ensure solutions comply with security, privacy, compliance, and Responsible AI standards
• Provide technical leadership, mentorship, and architectural guidance across AI engineering teams
• Act as technical escalation point for complex or high-risk AI initiatives

Critical Skills Required

• Deep expertise in Generative AI and Large Language Models (LLMs)
• Strong understanding of Agentic AI concepts (reasoning, planning, memory, multi-agent collaboration)
• Hands-on or architectural experience with RAG architectures, embeddings, and vector databases
• Experience with agent orchestration frameworks (CrewAI, LangChain, Semantic Kernel, AutoGen, etc.)
• Strong programming skills in Python; exposure to Golang is a plus
• Proficiency with Azure AI Services, including Azure OpenAI and related AI platforms
• Strong knowledge of prompt engineering, function calling, tool usage, and structured outputs
• Experience with cloud-native architectures, microservices, containers, and Kubernetes
• Familiarity with API-driven backend design and data pipelines
• Solid understanding of observability, security, and scalability for AI systems

You will be successful in this role if you have:

Candidate Profile

• 12+ years of experience in software engineering, AI/ML systems, or platform architecture, with strong focus on Generative AI
• Proven experience acting as Senior Principal / Enterprise Technical Architect within large Engineering organizations
• Demonstrated ability to define architecture standards and guide large engineering teams
• Strong stakeholder engagement skills across engineering leadership and executive teams
• Self-driven, collaborative, and comfortable working in fast-paced engineering environments
• Bachelor’s or Master’s degree in Computer Science, Engineering, AI, or related field
• Cloud or AI certifications (Azure Developer, Azure AI Engineer, or equivalent) preferred

Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, blood type, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law.

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If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at GlobalRecruiting@unisys.com. US job seekers can find more information about Unisys’ EEO commitment here.