Senior Mechanical Engineer jobs in Fitchburg, MA

Fitchburg, Massachusetts

•

Today

Job ID: 113280 The Leonardo DRS Naval Power Systems business is a trusted provider of innovative naval gas and hybrid power systems, control technology and support solutions for the U.S. Navy and navies around the world. Job Summary DRS NPS has an immediate need for a Senior Mechanical Engineer with a well-rounded skill set, including design, analysis, assembly support, and qualification/validation experience. The candidate is expected to work independently, using judgment and discretion in ma

Full-time

USD 99,740.00 - 154,846.00 per year

Sr. Mechanical Engineer - Interconnects

Marlborough, Massachusetts

•

Today

Date Posted: 2025-12-10 Country: United States of America Location: MA802: Marlborough, MA Building 1 1001 Boston Post Road Building 1, Marlborough, MA, 01752 USA 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: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nati

Full-time

USD 82,000.00 per year

Senior Mechanical Engineer (ONSITE)

Marlborough, Massachusetts

•

Today

Date Posted: 2025-12-01 Country: United States of America Location: MA802: Marlborough, MA Building 1 1001 Boston Post Road Building 1, Marlborough, MA, 01752 USA 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: DoD Clearance: Secret Raytheon Company, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a world leader in advance

Full-time

USD 82,000.00 per year

Senior Mechanical Engineer - CADD

Tewksbury, Massachusetts

•

Today

Date Posted: 2025-10-16 Country: United States of America Location: MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, Tewksbury, MA, 01876 USA 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: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help

Full-time

USD 82,000.00 per year

Sr Mechanical Engineer - Patriot CRAF (Remote)

Remote or Tewksbury, Massachusetts

•

Today

Date Posted: 2025-11-20 Country: United States of America Location: MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, Tewksbury, MA, 01876 USA Position Role Type: Remote 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: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - t

Full-time

USD 82,000.00 per year

Senior Mechanical Engineer

Remote

•

Today

Description This is a remote/virtual position. Candidate can be based anywhere within the United States. Overview: Sargent & Lundy Consulting (SLC) works on behalf of clients to support electric power projects. We evaluate and optimize technical, commercial, environmental, and financial aspects of the projects for a variety of clients. Responsibilities: In this role, you will provide development support, conceptual design and owner's engineer services to clients including performing technical

Full-time

USD 95,840.00 - 147,870.00 per year

Senior Mechanical Engineer 2 - Nuclear

Remote

•

Today

Description You will be involved in nuclear power plant systems design, including preparation or review of: Modification packages for operating nuclear power plantsFunctional mechanical drawings and/or drawings for nuclear power plant systemsEngineering analyses and evaluations to support modifications and operation of plant systemsTechnical specifications and procurement documents for plant equipmentVendor bid evaluations for plant equipmentStudies and options evaluations for modifications to

Full-time

USD 95,840.00 - 147,870.00 per year

Senior Mechanical Engineer

Remote

•

Today

Senior Mechanical Engineer Our Bethesda Office is looking for a Sr. Mechanical Engineer with design experience in HVAC. You will be providing engineering design, evaluation, and planning of mechanical systems for healthcare, science & technology, education, and commercial projects. At Salas O'Brien we tell our clients that we're engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That's why we're committed to living our values

Full-time

USD 150,000.00 - 165,000.00 per year

Senior Mechanical Engineer - Education, Living, Retail

Remote or Los Angeles, California

•

Today

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world's most complex challenges and deliver more impact together. Role description: Arcadis is seeking a Senior Mechanical Engineer to join our Design & Enginee

Full-time

USD 110,000.00 - 175,000.00 per year

Senior Mechanical Engineer (Auxiliary)

Remote or Baltimore, Maryland

•

Today

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities Design, develop and evaluate operation of marine vessels, shipboard auxiliary systems and piping, review and develop technical data packages, provide oversight on development of machinery arrangements, conduct a

Full-time

USD 91,600.00 per year

Senior Mechanical Engineer 1 - Nuclear

Remote

•

Today

Description This is a senior level mechanical engineering position that will provide you with a variety of interesting and challenging responsibilities. We are looking for candidates with experience in the analysis, design, and licensing requirements of mechanical and nuclear systems and components for nuclear power plants. You will be involved in nuclear power plant systems design, including preparation or review of: Modification packages for operating nuclear power plantsSystem and Componen

Full-time

USD 82,380.00 - 125,860.00 per year

Senior Mechanical Engineer Analyst 1 (Power Uprates) - Nuclear

Remote

•

Today

Description This will be a remote Mechanical Analysis position to support Power Uprates. Our electric power generation clients are seeking to increase the power output of their existing power plants to meet the electric demands. This is expanding work in the Mechanical Analysis Engineering group. You will work on major systems, equipment, and plant process in the following areas: Develop and lead licensing basis system and component evaluations for nuclear power uprate projects.This position w

Full-time

USD 82,380.00 - 125,860.00 per year

Senior Mechanical Engineer - Data Center (Remote)

Remote or Arizona

•

Today

Company Description We are Olsson. We engineer and design solutions that improve the world around us. As a company, we promise to always be responsive, transparent, and focused on results - for our people, our clients, and our company. We're a people-centric firm, so it's no surprise our greatest asset is our people. The impact this creates is an environment that encourages our people to grow and be creative with their talents. This approach builds a culture that is uniquely Olsson. It allows

Full-time

Sr Principal Mechanical Engineer Lead

Tewksbury, Massachusetts

•

Today

Full-time

USD 124,000.00 per year

Senior Process Mechanical Engineer

Remote or Los Angeles, California

•

Today

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world's most complex challenges and deliver more impact together. Role description: Our growing team in California is seeking an experienced Senior Process Mech

Full-time

USD 109,000.00 - 185,000.00 per year

SMR Senior Mechanical Systems Engineer

Remote

•

Today

Job Description Summary Systems Engineering is a cross-functional engineering discipline centered on an approach, mindset, and process. All activities consider both the business and the technical needs of the customers, with the goal of providing a quality product that meets the users' needs. The Systems Engineering discipline executes a robust process of design, creation, and optimization of systems, consisting of identification and quantification of system requirements, creation of alternate s

Full-time

USD 111,200.00 - 185,400.00 per year

ADGE Senior Mechanical Engineer (On-Site)

Tewksbury, Massachusetts

•

Today

Date Posted: 2025-09-13 Country: United States of America Location: MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, Tewksbury, MA, 01876 USA 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: DoD Clearance: Secret Department Overview: The Air Defense Ground Equipment Mechanical Design Department is responsible for

Full-time

USD 82,000.00 per year

Senior Mechanical Engineer - Tewksbury, MA

Tewksbury, Massachusetts

•

Today

Date Posted: 2025-09-11 Country: United States of America Location: MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, Tewksbury, MA, 01876 USA 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: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help

Full-time

USD 82,000.00 per year

Principal Mechanical Engineer, Military Air Traffic Control (ATC) (Onsite)

Marlborough, Massachusetts

•

Today

Date Posted: 2025-11-13 Country: United States of America Location: MA803: Marlborough, MA Building 3 1001 Boston Post Road Building 3, Marlborough, MA, 01752 USA 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: DoD Clearance: Secret Raytheon Company, Managed by Collins Aerospace Collins Aerospace is seeking a highly skilled and experienced P

Full-time

USD 101,000.00 per year

P4 Principal Mechanical Engineer Lead

Tewksbury, Massachusetts

•

Today

Full-time

USD 101,000.00 per year

Filter Results

Job post features

Posted date

Work settings

Employment type

Distance

Employer type

Work authorization

Senior Mechanical Engineer jobs in Fitchburg, MA 01420, USA