Principal Mechanical Engineer / Robotics / Automation

Motion Recruitment Partners LLC; Woburn (MA); On-site; USD 120,000 - 180,000; Full time

Job summary

Motion Recruitment Partners LLC is assisting a robotics-focused mechanical engineering client near the Greater Boston area in finding a Principal Engineer for on-site work five days a week. The role spans system architecture, mechanical design leadership, and production-ready hardware within automated systems.

You will collaborate with cross-functional teams, drive design validation, and mentor engineers while maintaining hands-on involvement with hardware and design for manufacturing.

Qualifications

• 8+ years of mechanical engineering experience in robotics/automation.
• Track record of taking electro-mechanical products from early concept through production.
• Solid understanding of motion systems including motors, actuators, and integrated sensing.
• Proficiency in 3D CAD tools such as SolidWorks or Onshape.
• Strong command of engineering drawings and geometric tolerancing.
• Familiarity with product lifecycle workflows including BOM management and revision control.
• Comfortable working hands-on with hardware to troubleshoot and refine designs.

Responsibilities

• Lead system architecture and mechanical design efforts for robotics platforms.
• Oversee design and validation activities for electro-mechanical systems.
• Collaborate with cross-functional engineering teams to align architecture and requirements.
• Hands-on hardware development and troubleshooting.
• Mentor and manage engineering staff and project timelines.
• Coordinate with production and manufacturing teams to ensure design for manufacturing.

Skills

8+ years mechanical engineering

Electro-mechanical product development

Motion systems design

SolidWorks / Onshape

GD&T / engineering drawings

PLM workflows

Hands-on hardware troubleshooting

Education

MS or PhD in Mechanical Engineering

Tools

SolidWorks

Onshape

Job description

This client is a robotics focused mechanical engineering company right outside the Greater Boston area. They build advanced automated systems that combine mechanical design, sensing, and motion control into high performing machines. They are hiring a full-time Principal Engineer that is onsite 5 days per week. You will work across mechanical system design actuation strategy, CAD, GD&T, FEA, and PLM workflows.

You will be working with cross-functional engineering teams to make key architectural decisions and ensure the mechanical system is not just well designed, but manufacturable, reliable, and production ready.

Required Skills & Experience

• 8 + years of mechanical engineering experience in robotics robotics/automation
• Track record of taking electro-mechanical products from early concept through production
• Solid understanding of motion systems including motors, actuators, and integrated sensing
• Proficiency in 3D CAD tools such as SolidWorks or Onshape
• Strong command of engineering drawings and geometric tolerancing
• Familiarity with product lifecycle workflows including BOM management and revision control
• Comfortable working hand-on with hardware to troubleshoot and refine designs

Desired Skills & Experience

• MS or PhD in Mechanical Engineering
• Experience owning or influencing system-level design in robotics or automation platforms
• Strong background design for manufacturing and production ready system design
• Proficiency in analytical tools such at MATLAB or Python for system modeling

What You Will Be Doing

Tech Breakdown

• 45% System architecture and Mechanical Design Leadership
• 30% Design and Validation
• 20% Cross-Functional Engineering Collaboration

Daily Responsibilities

• 55% Hands On
• 20% Management Duties
• 25% Team Collaboration

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