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Principal Mechanical Engineer Jobs in Lexington, MA (54)

Senior Principal Engineer - Fuzing

Raytheon
Boston, MA
New
Hybrid
Dental Insurance
Vision Insurance
Parental Leave

Principal Mechanical Engineer

SimpliSafe
Boston, Massachusetts

Principal Mechanical Engineer

Delve
Boston, Massachusetts
Hybrid

Chief Technology Officer

Automated Tire
Waltham, Massachusetts

Senior Autonomous Systems Developer-Technical Staff

MIT Lincoln Laboratory
Lexington, Massachusetts

Principal System Security Engineer

Inuplands
Cambridge, Massachusetts

Principal System Security Engineer

Draper
Cambridge, Massachusetts
Health Insurance

Principal Flight Safety System Engineer

Raytheon
Boston, MA
New
Hybrid
Dental Insurance
Vision Insurance
Parental Leave

Principal Embedded Software Engineer

Locus Robotics
Wilmington, Massachusetts
Hybrid

Principal Specialist - Rolling Stock

Mott MacDonald
Boston, Massachusetts

Senior Principal Electrical Engineer

Owllabs
Boston, Massachusetts
Part-Time
Health Insurance
Flexible Schedule

Principal Integration and Test Systems Engineer

Draper
Cambridge, Massachusetts
Health Insurance

Senior Research Scientist Explosion Protection

Fm Global
Norwood, Massachusetts
Education

Senior Research Scientist – Fire Dynamics, Flammability and Battery Safety

Fm Global
Norwood, Massachusetts
Education

2025 Summer/Fall Mechanical Engineering Co-op

MKS
Andover, MA
New
Part-Time
Hourly
Icon: salary
$22 - $29 / hour

Prototyping Lab Technician, Machine Shop and Rapid Prototyping Team

Amazon
North Reading, MA
New
Part-Time
Eco-Friendly
PTO
Dental Insurance
Vision Insurance
Parental Leave

Principal Mechanical Engineer

VBB
Waltham, MA

Principal Mechanical Engineer

Locus Robotics
Wilmington, MA

3.2. Principal Mechanical Engineer

Phoenix Tailings
Burlington, MA
Dental Insurance
Vision Insurance
Parental Leave

Principal Mechanical Engineer, GEE (On-site)

Insulet
Acton, MA
Icon: salary
$147.8k - $221.7k / year

Senior Mechanical Engineer

VBB
Lexington, MA

Postdoctoral Associate, Novel Learning Technologies in Manufacturing

Massachusetts Institute of Technology
Cambridge, MA

Prinicpal Mechanical Engineer

Optikos
Wakefield, MA

Principal System Engineer

Candela
Marlborough, MA

Senior Mechanical Engineer

MKS Instruments
Andover, MA

Assistant Environment, Health and Safety (EHS) Coordinator

Massachusetts Institute of Technology
Cambridge, MA
Health Insurance

Hardware Development Engineer, Hardware Development

Amazon
North Reading, MA
Part-Time
Eco-Friendly
PTO
Dental Insurance
Vision Insurance
Parental Leave

Sr. Mechanical Engineer (HVAC & Fire Protection System Designs)

Rimkus Consulting Group
Boston, MA
Hourly
Dental Insurance
Vision Insurance
Icon: salary
$90k - $150k / year

Robotics Hardware Development Engineer III, Amazon Robotics (AR)

Amazon
North Reading, MA
Part-Time
Eco-Friendly
PTO
Dental Insurance
Vision Insurance
Parental Leave

Field Service Engineer

In-Place Machining Company
Topsfield, MA
Flexible Schedule

0157 - Principal Mechanical Engineer

Electra Aero
🌎 Remote
New
Remote
PTO
Dental Insurance
Vision Insurance
Icon: salary
$104k - $264k / year

Remote Transmission Engineer

Insight Global
🌎 Remote
Remote
401(k)
Dental Insurance
Vision Insurance
Icon: salary
$50 - $58 / hour

Development Engineer

Akkodis
🌎 Remote
New
Remote
Hourly
401(k)
Dental Insurance
Vision Insurance
Parental Leave
Icon: salary
$46 / hour

Job Description

Working as a Principal Mechanical Engineer in Lexington, MA

There are 54 Principal Mechanical Engineer opportunities available in Lexington, MA all with unique requirements.

Principal Mechanical Engineers are involved in every stage of product development. From the earliest stages of design to production, they work with cross-functional teams of engineers and other specialists including manufacturing, quality assurance, suppliers, business partners, customers and end-users. They design not just products but an overall product system. They take part in interdisciplinary teams where they expand their knowledge of material properties, manufacturing processes and designing for manufacturability. They use their technical expertise to plan for test and assembly strategies which reduce cost and assure long term manufacturability.

Principal Mechanical Engineer jobs near Lexington, MA

  • Boston, MA
  • Worcester, MA
  • Manchester, NH

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    Principal Mechanical Engineer jobs near Lexington, MA

    • Salem, MA
    • Nashua, NH
    • Burlington, MA
    • Cambridge, MA
    • Newton, MA
    • Beverly, MA
    • Woonsocket, RI
    • Milford, MA
    • Concord, MA
    • Milton, MA
    • Framingham, MA
    • Lawrence, MA
    • Lowell, MA
    • Marlborough, MA
    • Quincy, MA
    • Brockton, MA