Senior Mechanical Design Engineer

Motion Recruitment Partners LLC; Boston (MA); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Medical insurance

401(k) retirement plan

Paid time off

Professional development

Robotics projects

Job summary

Motion Recruitment Partners LLC is seeking a Senior Mechanical Design Engineer to drive the mechanical design of advanced robotic systems in a fast-growing organization near Boston. You will shepherd concepts through deployment, tackle tough mechanical challenges, and ensure performance, manufacturability, and reliability in real-world environments.

The role involves end-to-end engineering responsibilities from early prototyping to production support, with a hands-on mindset and a passion for

Qualifications

• Bachelor's or Master's degree in Mechanical Engineering or related field.
• 7+ years of mechanical engineering experience in robotics, automation, or industrial equipment.
• Proven experience taking products from design through production and deployment.
• Strong background designing precision components and assemblies (machined, sheet metal, welded).
• Proficiency with CAD software (Onshape, SolidWorks, Creo or similar).
• Experience managing engineering docs, revisions, and change control.
• Familiarity with tolerance analysis, design validation, risk assessment, QA methodologies.
• Hands-on experience building and evaluating prototypes.

Responsibilities

• Plan and execute mechanical system design across concepts to deployment.
• Prototype, test, and iterate designs with hands-on engineering.
• Support product development, manufacturing, and field performance improvements.
• Drive reliability and performance improvements through design reviews and testing.

Skills

Mechanical design

Robotics

CAD modelling

Prototype testing

Engineering documentation

Tolerance analysis

Manufacturing support

Education

Bachelor's or Master's in Mechanical Engineering

Tools

Onshape

SolidWorks

Creo

Job description

A rapidly growing robotics and automation company in the Boston area is seeking a Senior Mechanical Design Engineer to play a critical role in the development of advanced industrial robotic systems. This full-time opportunity is ideal for an engineer who enjoys bringing physical products from concept through deployment while solving complex mechanical challenges that directly impact product performance, manufacturability, and reliability.

This position goes far beyond traditional product design. You'll be involved in every stage of the engineering lifecycle, from early concept development and prototyping through production support and field performance improvements. The team is looking for someone who combines strong mechanical design expertise with a hands‑on engineering mindset and a passion for building robust hardware that performs in demanding real‑world environments. If you enjoy seeing your designs move from CAD models to deployed systems, this is an opportunity to make a lasting impact on a rapidly scaling product platform.

Required Skills & Experience

• Bachelor's or Master's degree in Mechanical Engineering or a related discipline
• 7+ years of mechanical engineering experience within robotics, automation, industrial equipment, or similar technology-focused industries
• Proven experience taking products from initial design through production and deployment
• Strong background designing precision components and assemblies utilizing machined, sheet metal, and welded structures
• Proficiency with modern CAD software such as Onshape, SolidWorks, Creo, or similar parametric modeling tools
• Experience managing engineering documentation, design revisions, and change-control processes
• Familiarity with tolerance analysis, design validation, risk assessment, and quality assurance methodologies
• Hands‑on experience building and evaluating physical prototypes

Desired Skills & Experience

• Prior work on robotic systems, automated machinery, or electromechanical products
• Experience supporting manufacturing scale-up efforts and production launches
• Understanding of supplier qualification and quality review processes
• Exposure to CNC machining, fabricated assemblies, additive manufacturing, and injection molding techniques
• Experience identifying and resolving issues during manufacturing builds or field deployments
• Ability to balance technical, operational, and cost considerations when making engineering decisions
• Track record of driving product reliability and continuous improvement initiatives

What You Will Be Doing Tech Breakdown

• 35% Mechanical System Design
• 25% Prototyping & Testing
• 20% Product Development & Manufacturing Support
• 20% Reliability & Performance Optimization

Daily Responsibilities

• 70% Hands‑On Engineering
• 15% Cross‑Functional Collaboration
• 10% Technical Documentation & Reviews
• 5% Project Planning & Coordination

The Offer Benefits

• Medical, dental, and vision insurance
• 401(k) retirement plan
• Generous paid time off and company holidays
• Professional development and career advancement opportunities
• Opportunity to work on highly visible robotics products deployed in real-world industrial environments

Applicants must be currently authorized to work in the United States on a full-time basis now and in the future.