• Skip to primary navigation
  • Skip to main content
  • Skip to footer

Side Hustles

Side Hustles

Side Hustles For All

  • Best Side Hustles
    • Woman sitting on a pile of coins and working on a laptop surrounded by icons representing different side hustle ideas

      31 Best Side Hustles to Earn Extra Money in 2026

    • Bicycle courier delivering food for their side hustle.

      What Is a Side Hustle?

    • Remote worker sitting at his desk making money from home

      18 Ways to Make Money from Home (Online and Offline Jobs)

    • By Category
      • Arts & Crafts
      • Business Services
      • Caregiving
      • Creative Services
      • Digital Freelance Services
      • View All
    • By Lifestyle
      • I’m introverted
      • I’m a man
      • I’m a woman
      • I’m a stay-at-home mom
      • I’m unique
      • View All
    • By Profession
      • Artists & Creatives
      • Musicians
      • Nurses
      • Physicians
      • Teachers
      • View All
    • By Age Group
      • College Students
      • Teens
      • Age 50+
      • Seniors
      • View All
    • By Skills & Interests
      • Get Paid to Lose Weight
      • Get Paid to Play Games
      • Get Paid to Read
      • Get Paid to Sleep
      • Get Paid to Travel
      • View All
  • Best Gig Apps
    • Freelance worker popping out of a phone screen and considering gig apps on the App Store and Google Play

      Top 6 Gig Apps to Make Real Cash in 2026

    • Smartphone surrounded by the icons of different money-making apps

      Top 10 Best Money-Making Apps to Try in 2026

    • two teenagers using job apps on a phone and laptop

      19 Job Apps for Teens to Find Jobs and Make Money

    • By Gig Type
      • Cashback
      • Data Entry
      • Delivery
      • Games
      • Product Testing
      • View All
    • By Payment Method
      • Bingo Games that Pay to Cash App
      • Games that Pay Real Money
      • Games that Pay to Cash App
      • Games that Pay via PayPal
      • Surveys that Pay to Cash App
      • View All
    • By Benefits
      • $20 Signup Bonuses
      • $25 Signup Bonuses
      • $50 Signup Bonuses
      • Best Signup Bonuses
      • Instant Signup Bonuses
      • View All
    • By Skills & Interests
      • Driving
      • Losing Weight
      • Playing Games
      • Product Testing
      • Watching Ads
      • View All
  • Job Hunting
    • Freelance worker browsing a job post on a freelance job board.

      23 Job Boards You Can Use to Find Remote Work

    • Freelance writer sitting at her laptop working on a project

      15 Best Remote Jobs That Require No Paid Work Experience

    • Teenager sitting at laptop working an online job

      14 Online Jobs for Teens (With No Experience)

    • Freelancing
      • Freelance Writing Sites
      • Freelance Writing Job Boards
      • Freelance Writing Platforms
      • View More
    • Gig & Shift Work
      • Gig Work Apps
      • On-Demand Work Apps
      • Shift Work Apps
      • View More
    • GPT (Get Paid To)
      • Microtasking
      • Product Testing
      • Survey Taking
      • View More
    • Remote Working
      • Best Remote Job Boards
      • Top 15 Remote Jobs
      • View More
  • Job Board
    • Work Schedule
      • Part-Time Jobs
      • Per-Diem Jobs
      • Go Search
    • Work Environment
      • Hybrid Jobs
      • Remote Jobs
      • Go Search
    • Employment Type
      • Contractor Jobs
      • Internship Jobs
      • Temporary Jobs
      • Go Search
    • Job Title
      • Accounting Jobs
      • Data Entry Jobs
      • Nursing Jobs
      • Online Teaching Jobs
      • Software Engineer Jobs
      • Go Search
    • State
      • California Jobs
      • Florida Jobs
      • New York Jobs
      • Pennsylvania Jobs
      • Texas Jobs
      • Go Search
    • City
      • Chicago, IL
      • Houston, TX
      • Los Angeles, CA
      • New York City, NY
      • Phoenix, AZ
      • Go Search

Home Flexible Job Board Mechanical Design Engineer

$80,000–100,000/yr 42d ago

Mechanical Design Engineer

Boost your chances before you apply.

  • ✨ Apply 10x Faster Free

    It takes 30+ tailored applications to land jobs like this one. We'll help you get that done in 1 hour.

    No Credit Card Required

  • Proceed to Application Go directly to the company's job page to apply.
Logo

THE ENTWISTLE COMPANY

Hudson, MA, US

Contractor On-site

✨ Apply 10x Faster

Analyze your resume for missing keywords, then one-click optimize it. Don't be anything less than a 100% match candidate.

Free

No Credit Card Required

Summary

Design and implement mechanical systems and mission-critical defense components from concept to detailed 3D modeling. Collaborate with cross-functional teams to troubleshoot designs, conduct validation activities, and maintain detailed technical documentation.

Job Description

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

1. 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.

2. To design, manufacture & build-to-print innovative and cost-effective products.

3. To help our DoD, Prime and Foreign Military customers and US warfighter succeed in their missions.

At The Entwistle Company, our values—Trust, Respect, Accountability, Collaboration, and Commitment—guide everything we do, from daily decisions to long-term strategy.

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

Requirements

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:

We value military experience and recognize transferable skills. Candidates with the following military job codes or similar may have relevant experience for this position:

· Army MOS: 51S – Research and Engineering

· Navy NEC: 7974 – Naval Engineering Officer, Ship Design

· Air Force AFSC: 62EXH – Development Engineer, Mechanical

About the company

THE ENTWISTLE COMPANY

DESIGNERS AND BUILDERS OF QUALITY COMPONENTS & MACHINERY SYSTEMS FOR THE U.S. MILITARY AND ALLIES.

Founded

1918

Company size

201-500 employees

Industry

Defense and Space Manufacturing

Org type

Privately Held

Headquarters

Hudson, Massachusetts

Apply Now

About the company

THE ENTWISTLE COMPANY

DESIGNERS AND BUILDERS OF QUALITY COMPONENTS & MACHINERY SYSTEMS FOR THE U.S. MILITARY AND ALLIES.

Founded

1918

Company size

201-500 employees

Industry

Defense and Space Manufacturing

Org type

Privately Held

Headquarters

Hudson, Massachusetts

Footer

sidehustles.com
Facebook Twitter Instagram LinkedIn Reddit TikTok YouTube

Show Me The Money

  • Side Hustle Basics
  • Side Hustle Job Board (Remote & Part-Time Jobs)
  • Gig App Reviews
  • Job Hunting
  • Manage Your Money
  • The Gig Apple: News & Events

Company

  • About Us
  • Contact Us
  • Become a Contributor
  • Advertising & Sponsorships
  • Partner With Us
  • Editorial Guidelines

Side Hustles © All rights reserved

  • Privacy Policy
  • Terms of Service

Thanks for using our free job board

Your review would mean a lot to us.

If you love that we're just giving away remote jobs for free with no paywall, please spread the word. (You will need to create an account on Trustpilot, for which we'll be eternally grateful.) Good luck out there!

Leave a Review Not yet. Send me to the job post.