Mechanical Design Engineer

Entwistle Co; Hudson (MA); On-site; USD 80,000 - 110,000; Full time

Benefits offered by this job

401k – 4% match

Up to 5 weeks PTO

Employer Paid Life Insurance

Employer Paid Disability

Health Insurance Coverage

Dental and Vision Insurance

Safety Shoes & Glasses reimbursement

Job summary

Entwistle Co is looking for a Mechanical Design Engineer to deliver mission-critical components for U.S. and allied defense. Responsibilities include designing mechanical systems, creating documentation, and collaborating with teams to enhance product functionality. Ideal candidates will have a Bachelor's degree in Mechanical Engineering and extensive experience in mechanical design, particularly with SolidWorks.

The position offers competitive pay and benefits, including generous health insurance, 401k matching, and PTO up to 5 weeks. Join us to contribute to national and global security through innovation.

Qualifications

• 5-10 years’ experience in mechanical design.
• 3 years' experience in SolidWorks or expert knowledge of other 3D CAD modeling systems.
• Experience designing heavy structures, including tooling, material selection, and fabrication.

Responsibilities

• Design and implement mechanical systems based on specifications.
• Collaborate with teams to troubleshoot designs and drive improvements.
• Conduct design verification and validation activities.

Skills

Mechanical design

SolidWorks

3D CAD modeling

Subsystem integration

Vendor sourcing

Education

Bachelor's degree in Mechanical Engineering

Tools

COSMOS software

3D CAD modeling systems

Job description

Job Overview

The Entwistle Company is seeking a skilled and motivated Mechanical Design Engineer to build a long-term career in our collaborative and innovative environment. In this role, you’ll help deliver mission-critical components that support U.S. and allied defense, with your skills, creativity, and impact directly contributing to national and global security. We value talent, encourage innovation, and promote professional growth. Ready to make a real difference? Join us.

Our Mission Statement

• To be an essential provider of mission-critical defense components & systems, spanning air, land, sea and space, recognized for our specialized capabilities, quality and dependability.
• To design, manufacture & build-to-print innovative and cost-effective products.
• To help our DoD, Prime and Foreign Military customers and US warfighter succeed in their missions.

Key Responsibilities

• Design and implement mechanical systems based on approved specifications and requirements.
• Participate in developing product requirements, specifications, schedules, and feasibility studies to assess functionality and reliability.
• Collaborate with project management and cross-functional teams to troubleshoot designs, resolve issues, and drive continuous improvements.
• Conduct and support product design, verification, and validation activities to meet project milestones.
• Create and maintain detailed design documentation, including drawings, specifications, data sheets, and validation records.
• Lead and participate in technical design reviews, recommending design changes as needed.
• Perform all phases of engineering design—from concept to detailed 3D modeling and structural analysis using SolidWorks.
• Review and assess vendor proposals and drawings to ensure design integrity and alignment with project goals.

What We Offer

• 401k – 4% match on 5% deferrals
• PTO – Up to 5 weeks
• Employer Paid Life Insurance
• Employer Paid Short-term and Long-term Disability
• Employer provided Paid Family/Medical Leave
• Generous Health Insurance Coverage
• Dental Insurance AND Vision Insurance
• Safety Shoes & Glasses reimbursements
• Employee Appreciation Events

Competitive pay based on experience

Qualifications

• Bachelor's degree in Mechanical Engineering from an ABET certified institution
• 5-10 years’ experience in mechanical design
• 3 years' experience in SolidWorks or expert knowledge of other 3D CAD modeling systems; experience with COSMOS software package
• Experience designing heavy structures, including tooling, material selection, and fabrication
• Experience with subsystem integration and testing
• Ability to source vendors
• Understanding of machinery product design, verification, and validation
• Ability to read and understand scientific and technical documents

Related Military Job Codes

• Army MOS: 51S – Research and Engineering
• Navy NEC: 7974 – Naval Engineering Officer, Ship Design
• Air Force AFSC: 62EXH – Development Engineer, Mechanical