Sr. Staff IT Architect - AI Architect (HRIT)

Work Schedule

Standard (Mon-Fri)

Environmental Conditions

Office

As part of the Thermo Fisher Scientific team, you'll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life every single day to enable our customers to make the world healthier, cleaner and safer. We provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond by developing solutions for some of the world's toughest challenges, like protecting the environment, making sure our food is safe or helping find cures for cancer.

DESCRIPTION:

Join our collaborative team at Thermo Fisher Scientific as a Sr Staff IT Architect, specializing in HR AI solutions. You'll help drive innovation in HR technology solutions that evolve the HR services experience for our users. In this role, you'll focus on the design and architecture of our enterprise HR AI chatbot ('HiRo') and implement AI-driven HR service delivery capabilities.

How you will make an impact:

• Design and implement enterprise-wide solutions, with a focus on HR AI.
• Leverage ServiceNow (including NowAssist) capabilities as well as other AI tools and capabilities (ChatGPTe, Flowise, etc.)
• Lead the design of AI-driven HR chatbot and AI agent use cases
• Collaborate with HR stakeholders to translate requirements into robust architectural designs
• Perform technical analysis and present architecture decisions/recommendations to key stakeholders
• Define integration patterns across systems, ensuring alignment with enterprise standards and protocols
• Monitor and improve AI performance and adoption in HR service delivery
• Contribute to AI strategy and governance within the HR technology ecosystem
  
  

What you will do:

Architecture

• Design AI solutions using ServiceNow and other AI platforms (ChatGPTe, Flowise, etc.)
• Work directly with HR stakeholders to refine use cases, translating ambiguous needs into clear, scalable designs
• Define how the HR chatbot and AI agents behave—how they answer questions, trigger transactions, and interact with systems like Workday and ChatGPTe
• Design how LLMs connect to APIs, workflows, and data sources—ensuring solutions are practical, secure, and maintainable
• Attend requirements gathering sessions with business stakeholders
• Design complex chatbot flows and agentic AI use cases
• Define integrations and architecture for HR AI solutions (APIs, MCP)
  
  

AI Strategy and Guidance

• Make product or technology recommendations for AI solutions, evaluating and selecting appropriate tools and platforms to meet business needs
• Analyze and model technical solutioning options, considering scale, security, UX, business value and cost implications
• Provide technical assessments, highlighting capabilities, limitations, and trade-offs to non-technical stakeholders
• Research industry best practices for AI technologies in HR service delivery
• Work with platform vendor to provide usage feedback and request product changes.
• Knowledge share and collaborate with other technical teams to implement architectural standards across the organization
  
  

REQUIREMENTS:

• Advanced Degree plus 6 years of experience, or Bachelor's Degree plus 8 years of experience in enterprise architecture with progressive technical leadership responsibilities
• Preferred Fields of Study: Computer Science, Engineering, Information Technology or related field
• Experience with OpenAI products is highly advantageous (e.g., AgentKit, Agent Builder, OpenAI API, ChatKit, MCP Servers)
  
  

AI Architecture & Development:

• Experience designing LLM-based solutions in enterprise environments
• Experience with building AI agents and multi-agent orchestration (MCP experience is a plus)
• Strong skills in prompt engineering, system instruction design, and orchestration
• Familiarity with multiple AI development platforms
• Knowledge of RAG including chunking, embeddings, reranking, and retrieval strategies
• Understanding of hallucination mitigation, grounding, citations, and knowledge freshness
• Ability to evaluate AI outputs and define performance metrics
• Knowledge of AI governance, risk, and data privacy
  
  

ServiceNow AI & Platform Requirements:

• Experience with building ServiceNow Virtual Agent topics with Now Assist
• Familiarity with AI Agent Studio and AI-powered ServiceNow capabilities
• Experience integrating ServiceNow with external AI platforms (OpenAI, AWS, etc.)
• Strong understanding of Flow Designer, IntegrationHub, Scripted REST APIs, and outbound integrations
• Experience designing HRSD solutions (Case Management, Knowledge, Employee Center) is a plus
  
  

Additional Skills:

• Deep expertise in cloud architecture, cybersecurity, data/analytics, automation, and network infrastructure
• Proven experience designing and implementing large-scale enterprise solutions
• Strong knowledge of modern architectural patterns, frameworks and best practices
• Experience with cloud platforms (AWS, Azure, GCP) and associated services
• Expertise in infrastructure as code, automation, and DevOps practices
• Strong understanding of security principles and compliance requirements
• Strong stakeholder management and executive communication abilities
• Demonstrated ability to guide and influence through collaboration
• Strong analytical and problem-solving capabilities with attention to detail
• Experience with Agile methodologies and project delivery frameworks
• Excellent written and verbal communication skills
• Ability to translate complex technical concepts for non-technical audiences