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Principal Mechanical Engineer Jobs in Nashua, NH (170)

Principal Mechanical Design Engineer

Raytheon
Tewksbury, MA
New
Dental Insurance
Vision Insurance
Parental Leave

Senior Principal Mechanical Engineer, Development ($5k sign on bonus)

BAE Systems USA
Nashua, NH
New
$5,000 sign-on bonus
Dental Insurance
Vision Insurance
Icon: salary
$133k - $226k / year

Principal Mechanical Engineer

Mercury Systems
Hudson, NH
New
Education

Principal Mechanical Engineer

Thales Defense & Security
North Billerica, MA
New
Icon: salary
$134.6k - $172.1k / year

Principal Mechanical Engineer

MILLENNIUMSOFT
Andover, MA

Principal Mechanical Engineer

Berkshire Grey
Bedford, MA
‌

Principal Mechanical Engineer

Re:Build Manufacturing
Wilmington, MA
Dental Insurance
Vision Insurance
Icon: salary
$165.3k - $248k / year
‌

Principal Mechanical Engineer

Viken Detection
Burlington, MA
‌

Principal Mechanical Engineer

Motion Recruitment
Woburn, MA
New
PTO
Health Insurance
Icon: salary
$150k - $200k / year
‌

Principal Mechanical Engineer - Development

BAE Systems USA
Nashua, NH
Dental Insurance
Vision Insurance
Icon: salary
$118.1k - $200.8k / year
‌

Senior Principal Mechanical Engineer

Invio Automation
Hudson, NH
New
Vision Insurance
‌

Staff/Principal Mechanical Engineer

BrioHealth Solutions
Burlington, MA
‌

Principal Mechanical Engineer - R&D

MKS Instruments
Methuen, MA
Health Insurance
Dental Insurance
Vision Insurance
Education
Parental Leave
‌

Principal Mechanical Engineer, Process Equipment

Boston Materials
North Billerica, MA
New
Dental Insurance
Vision Insurance
Icon: salary
$160k - $190k / year
‌

Principal Mechanical Engineer - Mechanism Design

Raytheon
Tewksbury, MA
‌

Senior Principal Mechanical Engineer, Acoustics

Leonardo DRS
Fitchburg, MA
New
Health Insurance
Dental Insurance
Vision Insurance
Education
Parental Leave
Icon: salary
$99.7k - $159k / year
‌

Principal Mechanical Engineer, R&D

Werfen
Bedford, MA
New
401(k)
Dental Insurance
Vision Insurance
Icon: salary
$150k - $185k / year
‌

Principal Mechanical Engineer - Cell Hardware

Symbotic
Wilmington, MA
401(k)
PTO
Dental Insurance
Vision Insurance
Icon: salary
$150k - $206.8k / year
‌

Principal Mechanical Engineer / Robotics / Automation

Motion Recruitment
Woburn, MA
Icon: salary
$160k - $200k / year
‌

Mechanical Engineering Lead - Senior Principal Mechanical Engineer - Sign on Bonus!

BAE Systems USA
Hudson, NH
Dental Insurance
Vision Insurance
Icon: salary
$149.6k - $254.3k / year
‌

Mechanical Engineering Lead Senior Principal Mechanical Engineer - Sign on Bonus!

BAE Systems USA
Hudson, NH
Part-Time
Dental Insurance
Vision Insurance
Icon: salary
$149.6k - $254.3k / year
‌

2026 ADGE Principal Mechanical Engineer - On-Site

Raytheon Technologies
Tewksbury, MA
New
Diversity Leader
Dental Insurance
Vision Insurance
Parental Leave
‌

2026 ADGE Principal Mechanical Engineer - On-Site

Raytheon
Andover, MA
New
Dental Insurance
Vision Insurance
Parental Leave
‌

Eng Sr Prin - Mech

BAE Systems USA
Nashua, NH
New
‌

Senior Coaxial Cable Design Engineer

Winchester Electronics
Haverhill, MA
New
Icon: salary
$130k - $140k / year
‌

Principal Mechanical Engineer PE Licensed

Three Phase
🌎 Remote
Remote
‌

Principal Mechanical Engineer- Video Collaboration

Logitech
🌎 Remote
New
Remote
‌

Sr. Principal Mechanical Systems Design Engineer

RZS Recruitment
🌎 Remote
Remote
Icon: salary
$125k - $145k / year
‌

Principal Mechanical Engineer, Development

BAE Systems USA
Nashua, NH
Dental Insurance
Vision Insurance
Icon: salary
$118.1k - $200.8k / year
‌

Principal Thermal Mechanical Engineer

JETCOOL Technologies
Littleton, MA
New
Dental Insurance
Vision Insurance
Education
Icon: salary
$153.5k / year
‌

Principal Thermal Mechanical Engineer

Flextronics
Littleton, MA
New
Dental Insurance
Vision Insurance
Education
Icon: salary
$153.5k / year
‌

Principal Mechanical Design Engineer

RTX
Tewksbury, MA
Dental Insurance
Vision Insurance
Parental Leave
‌

Lead Electrical Systems Architect Electro-Mechanical

Vaco
Lawrence, MA

Job Description

Working as a Principal Mechanical Engineer in Nashua, NH

There are 170 Principal Mechanical Engineer opportunities available in Nashua, NH 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.

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Principal Mechanical Engineer jobs near Nashua, NH

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    Here are some keywords related to Principal Mechanical Engineer in Nashua, NH

    • Applications Engineer
    • Process Engineer
    • Product Engineer

    Principal Mechanical Engineer jobs near Nashua, NH