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

Kelly Services; Boston (MA); Hybrid; USD 110,000 - 124,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Paid vacation and personal time

401(k) retirement plan

Job summary

Kelly Services in Boston is seeking a Senior Machine Learning Engineer to design scalable AI platforms and autonomous workflows in a hybrid role.

You will guide research tools, RAG systems, LLM applications, and production-ready pipelines, collaborating with security and platform teams to improve reliability and performance.

This hands-on engineering position focuses on building and deploying AI capabilities for an enterprise information environment.

Qualifications

• Deep knowledge of ML systems and autonomous agent design.
• Hands-on experience building LLM applications and retrieval-augmented generation solutions.
• Practical experience with vector search technologies and vector data stores.
• Familiar with production ML operations, monitoring, and deployment practices.
• Strong Python development skills.
• Working knowledge of AWS infrastructure and Kubernetes environments.

Responsibilities

• This is a highly hands-on engineering position.
• Create, productionize, and maintain sophisticated AI and ML capabilities for enterprise research applications.
• Architect and enhance distributed machine learning services and scalable platform components.
• Build agentic applications, semantic retrieval pipelines, and supporting orchestration frameworks.
• Partner with software, platform, and security teams to deliver dependable, secure, and high-performing AI systems.

Skills

ML systems

Autonomous agents

LLM applications

Vector search

MLOps

Python

AWS

Kubernetes

Education

Bachelor's degree or higher in computer science, engineering, data science, or related

Tools

Python

AWS

Kubernetes

Vector search technologies

Job description

$80 - $90

A global provider of data-driven technology solutions is seeking a Senior Machine Learning Engineer to join its Boston-area team in a hybrid capacity. This engineer will guide the design of scalable artificial intelligence platforms and advanced agent-based systems used across a broad suite of enterprise products.

The position centers on developing modern AI capabilities for a complex professional-information environment. Key initiatives include intelligent research tools, retrieval-augmented generation systems, large language model applications, and production-ready autonomous workflows. You will also help set architectural direction, define engineering best practices, and improve the reliability and security of the broader AI ecosystem.

Core Qualifications

• Deep knowledge of machine learning systems and autonomous agent design
• Hands‑on experience creating LLM applications and retrieval‑augmented generation solutions
• Practical experience working with vector search technologies and vector data stores
• Familiarity with production ML operations, monitoring, and deployment practices
• Strong Python development skills
• Working knowledge of AWS infrastructure and Kubernetes environments

Preferred Background

• Experience delivering software for legal technology, compliance, financial services, or another regulated domain
• At least 12 years of software engineering experience, or 8 or more years combined with a PhD
• Bachelor’s degree or higher in computer science, engineering, data science, or a related discipline

Key Responsibilities

Day‑to‑Day Work

• This is a highly hands‑on engineering position
• Create, productionize, and maintain sophisticated AI and ML capabilities for enterprise research applications
• Architect and enhance distributed machine learning services and scalable platform components
• Build agentic applications, semantic retrieval pipelines, and supporting orchestration frameworks
• Partner with software, platform, and security teams to deliver dependable, secure, and high‑performing AI systems

Compensation

Eligible for a performance‑based bonus

Benefits include

• Comprehensive medical coverage
• Dental insurance
• Vision insurance
• Paid vacation and personal time
• 401(k) retirement plan with employer match, where offered

This position follows a hybrid schedule in Boston, 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.