PRINCIPAL MECHANICAL ENGINEER, NASHUA, NH, USA – #5742

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IN DEMAND Recruitment & Consulting Inc. is currently looking to hire a PRINCIPAL MECHANICAL ENGINEER in Nashua, NH.

This client is a leader in cutting-edge automation for high-growth markets including medical devices, life sciences, renewable energy, mobility, logistics, and heavy industry. They provide mission-critical R&D pre-validation that sets the stage for full-scale, high-precision automation systems.

They’re seeking a Principal Mechanical Engineer with deep experience designing industrial automation systems and tooling, plus strong command of mechanical principles, 3D modeling, and engineering documentation.

In this role, you’ll operate with full ownership—driving projects from concept through delivery, elevating engineering standards, and challenging your team to build world-class automated solutions.

 

What You’ll Do:

Lead and enforce mechanical engineering design standards

Concept, review, and refine designs for complex automated equipment

Run internal/external design reviews, customer buy-offs, and field root-cause analysis

Own program delivery—hitting milestones and ensuring “right-the-first-time” solutions

Oversee customer scope, ensuring all technical and contractual requirements are met

Manage and mentor a team of mechanical engineers

Track team progress against budgets, schedules, and project goals

Coordinate and document project activities, including Engineering Change Orders

Analyze as-built tools and develop design updates

Partner with customers to understand requirements and implement custom solutions

 

What We’re Looking For:

  • BS in Mechanical Engineering or related field
  • Must have solid experience in design of Industrial Automation Systems and Tools
  • 15+ years of relevant experience; machine design strongly preferred
  • 5+ years of 3D modeling experience (SolidWorks required)
  • Ability to interpret technical procedures and present to customers and leadership
  • Strong problem-solving across diverse engineering challenges
  • Familiarity with machining tools, manufacturing, and assembly processes
  • Ability to read mechanical and electrical controls drawings
  • Excellent organization, communication, and multitasking skills
  • Proficiency with Microsoft Office
  • Sponsorship is not available for this role. Candidates must be US Citizen or have Green Card.

 

Why You’ll Love Working Here!

Innovative, meaningful work in high-impact industries with access to advanced automation labs and cutting-edge engineering challenges.

Strong, collaborative culture built on trust, transparency, and teamwork, where employees feel valued and connected.

Stable, growing company with 50+ years of expertise, diverse industry exposure, and solid benefits that support long-term career development.

 

Qualified and interested individuals are encouraged to apply to info@indemand.ca

ONLY QUALIFIED CANDIDATES WILL BE CONTACTED

 

Disclosure of Artificial Intelligence (AI) Use

IN DEMAND Recruitment & Consulting Inc. may use artificial intelligence (AI)–enabled tools to support certain aspects of our recruitment process, including the screening and assessment of applications. These tools are used to assist with organizing, reviewing, and evaluating candidate information and do not replace human judgment or decision-making.