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UPS

Senior AI Engineer – Python, RAG, Agentic AI, ADK, MCP, GCP, Vertex AI, IBM Watsox

UPS is hiring a Senior AI Engineer – Python, RAG, Agentic AI, ADK, MCP, GCP, Vertex AI, IBM Watsox. Level rates it ; you can apply on UPS.

Level's read on this job

  • On Level's scale, this AI engineer role is Builds AI ●●●●: the job is building AI systems.
  • Tools and skills the posting cites include OpenAI, LangChain and LlamaIndex.
  • Level classifies it as a senior role.
  • Level lists 2,000+ other open roles at UPS.

AI in this role

OpenAILangChainLlamaIndexLangGraphAutoGenVertex AI
ragllm-integrationai-agentsfine-tuningml-opsai-safety

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Job Description:

Job Summary

We are seeking a highly skilled AI Engineer experience in Software Development, Data Science, or Machine Learning to design, develop, and deploy cutting-edge AI systems leveraging Large Language Models (LLMs), Chatbots, Retrieval-Augmented Generation (RAG), and agentic AI architectures.

This role involves hands-on development with LLMs, embeddings, RAG pipelines, and multi-agent systems using modern frameworks like LangChain, LangGraph, and LlamaIndex. The ideal candidate has experience with Vertex AI on GCP and IBM WatsonX, fine-tuning, and Agent Development Kits (ADKs), and is excited about building scalable, production-grade AI platforms.

Responsibilities

  • Agentic AI Development:

Design, build, and deploy agentic AI systems using frameworks such as LangChain, LangGraph, and related libraries.

Develop and deploy multi-agent systems capable of autonomous decision-making, reasoning, planning, and collaboration.

  • RAG Pipelines:

Implement and optimize retrieval-augmented generation (RAG) systems, ensuring agents can access and incorporate external knowledge sources for grounded, accurate responses.

  • LLM Engineering:

Fine-tune and prompt-engineer LLMs for task-specific reasoning, planning, and dynamic adaptation.

Work with LLM/SLM APIs, embeddings, and advanced generative AI techniques.

  • Enterprise AI Platform:

Lead the development of enterprise-grade AI platforms integrating LLMs, RAG, embeddings, and agentic AI protocols.

Implement and standardize Model Context Protocol (MCP) for consistent context management across models and agents.

  • MLOps & Observability:

Establish and enforce best practices for MLOps, monitoring, and observability, ensuring scalable and maintainable AI solutions.

  • Applied AI Prototyping:

Rapidly prototype, experiment, and iterate to improve AI agent capabilities.

  • Collaboration & Research:

Participate in the full research cycle: literature review, data exploration, experimentation, and presentation of findings.

Collaborate effectively with other engineers, researchers, and data scientists.

Contribute to the documentation and standardization of technical code and practices.

Required Education

Bachelor’s degree in Computer Science, Engineering, or a related quantitative field. Master’s or Ph.D. is a strong plus.

Required Experience

  • Relevant experience

Senior – Min 5+ yrs of relevance experience

Intermediate – Min 3+ yrs of relevance experience

Associate – Min 2+ yrs of relevant experience

  • 1+ year of hands-on experience developing AI applications with LLMs and systems such as retrieval-based methods, fine-tuning, or agent-based architectures.
  • 1+ year of experience with frameworks like LangChain, LlamaIndex, OpenAI, or similar tools.

Required Technical Skills

  • Strong programming skills in Python and basics in SQL.
  • Expertise with LLM/SLM APIs, embeddings, and RAG systems.
  • Experience deploying on Google Cloud Platform (GCP) with Vertex AI, and IBM WatsonX.
  • Familiarity with agentic AI protocols and exposure to Agent Development Kits (ADKs).

Preferred Qualifications

  • Experience implementing Model Context Protocol (MCP) for agent coordination.
  • Prior exposure to Lang Graph, AutoGen, or related orchestration frameworks.
  • Knowledge of MLOps best practices (CI/CD for ML, observability, monitoring, scaling).
  • Familiarity with responsible AI principles (safety, fairness, interpretability).
  • Experience in enterprise-scale deployments of AI-driven platforms.
  • Contributions to open-source AI/ML projects are a plus.


Employee Type:

Permanent


UPS is committed to providing a workplace free of discrimination, harassment, and retaliation.

How we rate this

Senior AI Engineer – Python, RAG, Agentic AI, ADK, MCP, GCP, Vertex AI, IBM Watsox at UPS rates 100 out of 100 for how much of the daily work is AI. That makes it Builds AI (AI Level 4 of 4). The level is about AI in the job, not seniority.

Classification

Builds AI. The job is building AI systems.

  1. ●●●● Builds AI80 to 100
  2. ●●●○ Works on AI60 to 79
  3. ●●○○ Uses AI40 to 59
  4. ●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.

Prepare for this job

Built from this posting and from similar jobs on Level.

Skills and AI tools this role asks for

RAGLLM IntegrationAI agentsFine-tuningML OpsAI SafetyOpenAILangChain

Also common in AI engineer jobs at this level

Pay

Typical AI engineer job
$184k

This posting doesn't list pay. Use the typical AI engineer figure when pay comes up. See AI engineer jobs

Questions you could be asked

  1. How would you design a retrieval step so the model answers from real data instead of guessing?
  2. How have you integrated a large language model into a production application?
  3. How do you decide when an AI agent can act on its own versus asking for approval first?
  4. Walk me through fine-tuning a model: what data did you use, and how did you check the result?
  5. How do you monitor a model once it's live, and how do you know it needs retraining?

Adapt your resume

  • List these exact terms on your resume: RAG, LLM Integration, AI agents, Fine-tuning, and ML Ops. An applicant tracking system matches the wording, not the idea.
  • Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
  • Lead with what you built, trained or shipped. This role is judged on the AI system itself, not the tools around it.

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