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Principal Mechanical Engineer Jobs in Nashua, NH (183)

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

GPD Optoelectronics Corp
Salem, NH

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

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

Principal Mechanical Engineer

Viken Detection
Burlington, MA
New
Icon: salary
$145k - $170k / year
‌

Principal Mechanical Engineer

Berkshire Grey
Bedford, MA
New
‌

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
‌

Principal Thermal Mechanical Engineer

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

Principal Thermal Mechanical Engineer

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

Principal Mechanical Design Engineer

Raytheon
Tewksbury, MA
New
‌

Principal Mechanical Design Engineer

RTX
Tewksbury, MA
Dental Insurance
Vision Insurance
Parental Leave
‌

Staff/Principal Mechanical Engineer

BrioHealth Solutions
Burlington, MA
‌

Principal Staff Mechanical Engineer

ati
Woburn, MA
New
‌

Mechanical Engineer - Sr. Principal - Facilities

BAE Systems USA
Merrimack, NH
New
Dental Insurance
Vision Insurance
Icon: salary
$133k - $226k / year
‌

Principal Mechanical Engineer, Process Equipment

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

Principal Mechanical Engineer - R&D

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

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 - Cell Hardware

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

Principal Mechanical Engineer, R&D

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

Principal Mechanical Engineer / Robotics / Automation

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

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

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

2026 ADGE Principal Mechanical Engineer - On-Site

Raytheon
Tewksbury, MA
New
Dental Insurance
Vision Insurance
Parental Leave
‌

2026 ADGE Principal Mechanical Engineer - On-Site

RTX
Andover, MA
New
‌

2026 ADGE Principal Mechanical Engineer - On-Site

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

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
$118.1k - $200.8k / year
‌

Principal Mechanical Engineer

MDS Engineering
🌎 Remote
New
Part-Time
Remote
Health Insurance
Dental Insurance
Vision Insurance
Flexible Schedule
Parental Leave
Icon: salary
$95k - $145k / year
‌

Principal Mechanical Engineer PE Licensed

Three Phase
🌎 Remote
Remote
‌

Principal Mechanical Engineer- Video Collaboration

Logitech
🌎 Remote
New
Remote

Job Description

Working as a Principal Mechanical Engineer in Nashua, NH

There are 183 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.

Principal Mechanical Engineer jobs near Nashua, NH

  • Boston, MA
  • Cambridge, MA
  • Somerville, MA

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    Principal Mechanical Engineer jobs near Nashua, NH

    • Manchester, NH
    • Worcester, MA
    • Newton, MA
    • Everett, MA
    • Waltham, MA
    • Concord, NH
    • Burlington, MA
    • Marlborough, MA
    • Framingham, MA
    • Salem, MA
    • Lowell, MA
    • Woburn, MA
    • Andover, MA
    • Lawrence, MA
    • Wilmington, MA
    • Beverly, MA