Principal Mechanical Engineer jobs

Santa Clara, California

•

Today

Only local San Francisco Bay Area candidates! Direct W2 contractors only! No 3rd party agencies! No Visa Sponsorship available. Start date: Mid March, 2026 Job Posting TitlePrincipal Mechanical Engineer , Early Research and Development Our Systems Technology Group, a part of clients Sequencing Solutions, is focused on creating and advancing technologies to significantly enhance DNA sequencing workflows. We are seeking a Principal Mechanical Engineer to lead the mechanical design, development,

Easy Apply

Contract

$85 - $92

Principal Mechanical Engineer

Santa Clara, California

•

Today

Only local San Francisco Bay Area candidates! Direct W2 contractors only! No 3rd party agencies! No Visa Sponsorship available. Start date: Mid April Job Posting Title Principal Mechanical Engineer , Early Research and Development Our Systems Technology Group, a part of clients Sequencing Solutions, is focused on creating and advancing technologies to significantly enhance DNA sequencing workflows. We are seeking a Principal Mechanical Engineer to lead the mechanical design, development, charac

Easy Apply

Contract

$80 - $81

Principal Mechanical Engineer

Santa Clara, California

•

Today

Easy Apply

Contract

$85 - $92

Principal Mechanical Engineer II, Early Research and Development

Santa Clara, California

•

Today

Title: Principal Mechanical Engineer II, Early Research and Development Description: A healthier future. It's what drives us to innovate. To continuously advance science and ensure everyone has access to the healthcare they need today and for generations to come. Creating a world where we all have more time with the people we love. We are working to make next-generation sequencing simple and accessible enough for routine use. By accelerating clinical research, streamlining workflows, and expand

Easy Apply

Contract

$57.49

Technical Staff and Senior Principal Mechanical Engineer (ME Center of Excellence)

Austin, Texas

•

Today

Technical Staff and Senior Principal Mechanical Engineers At the Mechanical Engineering Center of Excellence (MECOE), we're obsessed with driving innovation to deliver transformative outcomes for our customers. We develop and execute technology strategies that push the boundaries of what's possible, leveraging our expertise in applied research and advanced engineering to create game-changing solutions. Through strategic engagements with key suppliers and partners, we accelerate technology develo

Full-time

USD 198,050.00 - 256,300.00 per year

Principal Mechanical Engineer

Quincy, Massachusetts

•

Today

Job Description: Saab Inc., Autonomous and Undersea Systems division is seeking an innovative and experienced Principal Mechanical Engineer to guide others on technical teams in capturing, understanding, and implementing product design requirements for autonomous Unmanned Surface/Underwater Vehicles (aUSVs/aUUVs, AUVs) and Remotely Operated Vehicles (ROVs). This position will sit in our Quincy, MA or Cranston, RI facilities. Responsibilities: Ability to serve as the lead contributor for the res

Full-time

Compensation information provided in the description

Principal Mechanical Engineer (Starship)

Texas

•

Today

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. PRINCIPAL MECHANICAL ENGINEER (STARSHIP) RESPONSIBILITIES: Troubleshooting and maintenance: Investigate and resolve technical issues related to crane operation and maintenance, and provide recommendations for improvem

Full-time

Principal Mechanical Engineer

Marlborough, Massachusetts

•

Today

Date Posted: 2026-03-09 Country: United States of America Location: US-MA-MARLBOROUGH-MA1 ~ 1001 Boston Post Rd ~ BLDG 1 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 At Raytheon, the foundation of everything we do is rooted in

Full-time

USD 107,500.00 per year

PRINCIPAL MECHANICAL ENGINEER

Kingsport, Tennessee

•

Today

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what's possible. Job Description: In a world of possibilities, pursue one with endless opportunities. Im

Full-time

USD 103,500.00 - 181,100.00 per year

Principal Mechanical Engineer

Hollister, California

•

Today

Date Posted: 2026-03-18 Country: United States of America Location: US-CA-GOLETA-H01 ~ 6380 Hollister Ave ~ BLDG H01 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 At Raytheon, the foundation of everything we do is rooted in our

Full-time

USD 118,300.00 per year

Principal Mechanical Engineer

Tucson, Arizona

•

Today

Date Posted: 2026-02-02 Country: United States of America Location: US-AZ-TUCSON-808 ~ 1151 E Hermans Rd ~ BLDG 808 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At Raytheon, the f

Full-time

USD 107,500.00 per year

Principal Mechanical Engineer

Huntsville, Alabama

•

Today

Date Posted: 2026-02-11 Country: United States of America Location: US-AL-HUNTSVILLE-315 ~ 315 Bob Heath Dr ~ BOB HEATH Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At Raytheon, t

Full-time

USD 107,500.00 per year

Principal Mechanical Engineer

Redmond, Washington

•

Today

Overview Microsoft Cloud Operations and Innovation (CO&I) is the team behind the cloud. Within CO&I, the Datacenter Engineering (DCE) team is responsible for delivering core datacenter infrastructure for Microsoft's cloud business. The MS portfolio consists of complex, multi-disciplinary, large scale, multi-year datacenter construction and lease projects. We are looking for a passionate, high-energy individual to help build the cloud datacenters that power the world's largest online services. I

Full-time

USD 139,900.00 - 274,800.00 per year

Principal Mechanical Engineer - HVAC

Charlotte, North Carolina

•

Today

About Carrier Carrier Global Corporation, global leader in intelligent climate and energy solutions, is committed to creating innovations that bring comfort, safety and sustainability to life. Through cutting-edge advancements in climate solutions such as temperature control, air quality and transportation, we improve lives, empower critical industries and ensure safe transport of food, lifesaving medicines and more. Since inventing modern air conditioning in 1902, we lead with purpose: enhanci

Full-time

USD 117,500.00 - 234,500.00 per year

Senior Principal Mechanical Engineer

Marlborough, Massachusetts

•

Today

Date Posted: 2026-02-03 Country: United States of America Location: US-MA-MARLBOROUGH-MA1 ~ 1001 Boston Post Rd ~ BLDG 1 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At Raytheon,

Full-time

USD 132,400.00 per year

Principal Mechanical Engineer - 4th Shift

Tucson, Arizona

•

Today

Date Posted: 2026-03-12 Country: United States of America Location: US-AZ-TUCSON-807 ~ 1151 E Hermans Rd ~ BLDG 807 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At Raytheon, the f

Full-time

USD 107,500.00 per year

Principal Mechanical Engineer- 2nd Shift

Tucson, Arizona

•

Today

Date Posted: 2026-03-12 Country: United States of America Location: US-AZ-TUCSON-808 ~ 1151 E Hermans Rd ~ BLDG 808 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At Raytheon, the f

Full-time

USD 107,500.00 per year

Principal Mechanical Engineer - 3rd Shift

Tucson, Arizona

•

Today

Full-time

USD 107,500.00 per year

Principal Mechanical Engineer - Structural Acoustics

Stonington, Connecticut

•

Today

Date Posted: 2026-02-10 Country: United States of America Location: US-CT-OLD MYSTIC-011 ~ 11 Main St ~ MAIN Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 At Raytheon, the foundation of everything we do is rooted in our values

Full-time

USD 107,500.00 per year

SD&I - Sr. Principal Mechanical Engineer

Marlborough, Massachusetts

•

Today

Date Posted: 2026-01-29 Country: United States of America Location: US-MA-MARLBOROUGH-MA1 ~ 1001 Boston Post Rd ~ BLDG 1 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 At Raytheon, the foundation of everything we do is rooted in

Full-time

USD 132,400.00 per year

Filter Results

Job post features

Posted date

Work settings

Employment type

Distance

Employer type

Work authorization

Principal Mechanical Engineer jobs