Senior Machine Learning Engineer - Worcester - LLM/Ai/Rag

Kelly Services; Worcester (MA); Hybrid; USD 166,000 - 187,000; Full time

Benefits offered by this job

Comprehensive medical insurance

Dental insurance

Vision insurance

Paid time off and company leave

401(k) with employer match

Hybrid schedule in Worcester

Job summary

Motion Recruitment Partners is seeking a senior Machine Learning Engineer for a Worcester, MA hybrid role focused on turning emerging AI capabilities into secure, scalable features for enterprise software.

You will work across the applied AI stack—from model experimentation to production integration—covering generative AI, LLM apps, retrieval, and agent-based systems that help users navigate complex information.

Qualifications

• Bachelor's degree or higher in computer science, machine learning, engineering, or related field.
• 12+ years software development or 8+ years with PhD and related background.
• Strong Python development skills and production ML experience.
• Experience with AWS and container orchestration such as Kubernetes.
• Exposure to legal tech, enterprise search, or information-dense domains is a plus.

Responsibilities

• Hands-on design, implementation, testing, and delivery of ML features.
• Build AI-powered capabilities for research, summarization, discovery, and decision making.
• Architect distributed ML services for enterprise product ecosystems.
• Develop and connect retrieval pipelines, model services, agent frameworks, and APIs.
• Partner with security, data, application teams to meet performance, privacy, and scale.

Skills

Production ML

LLMs & AI Agents

RAG & Vector Stores

ML Ops

Python

AWS & Kubernetes

Education

Bachelor's degree or higher in CS/ML/Engineering

Tools

AWS

Kubernetes

Containerization

Job description

$80 - $90

About the Opportunity

A global provider of digital research and decision-support products is adding a Machine Learning Engineer to its Worcester, Massachusetts team. This hybrid position will focus on converting emerging AI capabilities into secure, scalable features used within complex professional software platforms.

The engineer will work across the applied AI stack, from model experimentation and retrieval design through production integration. Key areas include generative AI, large language model applications, intelligent search, and agent-based systems that help users navigate and interpret high-value information.

Core Requirements

Proven success delivering machine learning or artificial intelligence systems in production environments

Practical experience designing applications that use LLMs, AI agents, and tool-driven workflows

Knowledge of RAG patterns, embedding models, vector stores, and relevance-focused retrieval techniques

Familiarity with operational ML practices such as testing, deployment automation, observability, and model governance

Strong Python development skills and sound software engineering fundamentals

Experience building cloud-native solutions with AWS and container orchestration platforms such as Kubernetes

Preferred Background

Exposure to legal technology, enterprise search, publishing, compliance, or another information-dense product domain

At least 12 years of software development experience, or 8+ years of development experience together with a PhD

Bachelor’s degree or higher in computer science, machine learning, engineering, or a closely related field

Your Impact

Key Responsibilities

Serve as a hands-on engineer responsible for design, implementation, testing, and delivery

Build AI-powered capabilities that support research, summarization, discovery, and knowledge-based decision making

Architect distributed machine learning services that can perform reliably across a large enterprise product ecosystem

Develop and connect retrieval pipelines, model services, agent frameworks, and supporting APIs

Partner with application, platform, data, and security teams to ensure solutions meet requirements for performance, resilience, privacy, and scale

Compensation and Benefits

Eligible for a performance-based bonus program

Employees receive access to:

Comprehensive medical insurance

Dental insurance

Vision insurance

Paid time off and company leave programs

401(k) retirement plan, including an employer match where applicable

This position follows a hybrid schedule based in Worcester, Massachusetts.

Candidates must be authorized to work full-time in the United States both now and in the future.

Motion Recruitment Partners (MRP) is an Equal Opportunity Employer. All applicants must be currently authorized to work on a full-time basis in the country for which they are applying, and no sponsorship is currently available. Employment is subject to the successful completion of a pre-employment screening. Accommodation will be provided in all parts of the hiring process as required under MRP’s Employment Accommodation policy. Applicants need to make their needs known in advance.