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Mechanical Engineer Contractor Jobs in Boston, MA

RMF Engineering, Inc

Mechanical Engineer

Boston, MA

RMF Engineering, Inc. is currently seeking an experienced Mechanical Engineer for our Boston ... Review contractor submittals and RFIs and provide field observations throughout the construction ...

RMF Engineering, Inc

Mechanical Engineer

Boston, MA · On-site

RMF Engineering, Inc. is currently seeking an experienced Mechanical Engineer for our Boston ... Review contractor submittals and RFIs and provide field observations throughout the construction ...

LXC ENGINEERING GROUP

Mechanical Engineer

Saugus, MA · On-site

The Mechanical Engineer will perform engineering calculations and prepare detailed mechanical ... Perform on-site condition surveys. · Process contractor submittals and assist in the construction ...

LXC ENGINEERING GROUP

Mechanical Engineer

Saugus, MA · On-site

$75K - $120K/yr

The Mechanical Engineer will perform engineering calculations and prepare detailed mechanical ... Perform on-site condition surveys. · Process contractor submittals and assist in the construction ...

LXC ENGINEERING GROUP

Mechanical Engineer

Saugus, MA · On-site

$75K - $120K/yr

The Mechanical Engineer will perform engineering calculations and prepare detailed mechanical ... Perform on-site condition surveys. · Process contractor submittals and assist in the construction ...

Genesis AEC

Mechanical Engineer

Medford, MA · Hybrid

Reviewing equipment submittals and shop drawings, preparing responses to contractor RFI's, and creating punch lists based on field observation. * Assisting the Lead Mechanical Engineer and Chief ...

Genesis AEC

Mechanical Engineer

Medford, MA · On-site

Reviewing equipment submittals and shop drawings, preparing responses to contractor RFI's, and creating punch lists based on field observation. * Assisting the Lead Mechanical Engineer and Chief ...

SmithGroup

Mechanical Engineer

Boston, MA · On-site

$115K/yr

Review submittals, RFIs and contractor proposed change orders, and conduct site observations ... A bachelor's degree in Mechanical Engineering, Architectural Engineering or equivalent. * Minimum 5 ...

AKAL ENGINEERING INC

Be Seen First

Plumbing Design Engineer

Berlin, MA · On-site

$70K - $100K/yr

... mechanical systems for commercial, institutional, municipal, and educational facilities. This role involves close collaboration with architects, engineers, contractors, and project stakeholders ...

New

AKAL ENGINEERING INC

Be Seen First

Plumbing Design Engineer

Berlin, MA · On-site

$70K - $100K/yr

... mechanical systems for commercial, institutional, municipal, and educational facilities. This role involves close collaboration with architects, engineers, contractors, and project stakeholders ...

New

AKAL ENGINEERING INC

Be Seen First

Plumbing Design Engineer

Berlin, MA · On-site

$70K - $100K/yr

... mechanical systems for commercial, institutional, municipal, and educational facilities. This role involves close collaboration with architects, engineers, contractors, and project stakeholders ...

New

legence

Senior Mechanical Engineer

Framingham, MA

$130K - $150K/yr

Review contractor submittals (shop drawings, etc.) to determine conformance with contract documents ... Bachelor's Degree in Mechanical Engineering Base Salary Range: $130,000 - $150,000. This role is ...

Kimmel & Associates

Senior Mechanical Engineer

Boston, MA · On-site

$140K - $150K/yr

Bachelor's degree in Mechanical Engineering. * 10+ years of HVAC/mechanical design experience with a consulting engineering firm or MEP contractor. * Extensive experience designing commercial and ...

Kimmel & Associates

Senior Mechanical Engineer

Boston, MA · On-site

$113K - $149K/yr

Bachelor's degree in Mechanical Engineering. * 10+ years of HVAC/mechanical design experience with a consulting engineering firm or MEP contractor. * Extensive experience designing commercial and ...

Legence

Senior Mechanical Engineer

Framingham, MA · On-site

$130K - $150K/yr

Review contractor submittals (shop drawings, etc.) to determine conformance with contract documents ... Bachelor's Degree in Mechanical Engineering Base Salary Range: $130,000 - $150,000. This role is ...

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Showing results 1-20

All JobsMechanical Engineer Contractor JobsMechanical Engineer Contractor Jobs in Boston, MA

Mechanical Engineer Contractor information

See Boston, MA salary details

$49.3K

$111.4K

$180.3K

How much do mechanical engineer contractor jobs pay per year?

As of Sep 1, 2026, the average yearly pay for mechanical engineer contractor in Boston, MA is $111,433.00, according to ZipRecruiter salary data. Most workers in this role earn between $88,300.00 and $137,000.00 per year, depending on experience, location, and employer.

What is a mechanical engineer contractor?

Mechanical Engineer Contractors are professionals who provide specialized engineering services on a contract basis rather than as permanent employees. They design, develop, and oversee the installation and maintenance of mechanical systems in various industries, such as manufacturing, construction, or energy. Contractors are typically hired for specific projects or to address temporary skill gaps within an organization. Their work may include tasks like equipment design, HVAC system planning, or process optimization. Mechanical Engineer Contractors must possess strong technical skills, adaptability, and often need to manage multiple projects simultaneously.

What are the key skills and qualifications needed to thrive as a mechanical engineer contractor?

To thrive as a Mechanical Engineer Contractor, you need a solid background in mechanical engineering principles, project management, and often a relevant engineering degree with professional licensure (such as PE). Familiarity with CAD software, simulation tools, and industry-specific codes or standards is typically required. Strong problem-solving abilities, effective communication, and adaptability set successful contractors apart. These skills ensure projects are completed accurately, efficiently, and in compliance with safety and regulatory requirements.

What are some common challenges mechanical engineer contractors face when working on multiple projects concurrently?

Mechanical Engineer Contractors often manage several projects at once, which can present challenges such as balancing competing deadlines, adapting to different client expectations, and quickly familiarizing themselves with diverse industry standards. Strong organizational skills and proactive communication are essential for keeping projects on track and ensuring quality deliverables. Additionally, contractors must be adept at quickly building rapport with new teams and stakeholders to facilitate smooth collaboration and project success.

What is the difference between Mechanical Engineer Contractor vs Mechanical Engineer?

AspectMechanical Engineer ContractorMechanical Engineer
CredentialsTypically requires a bachelor's degree in mechanical engineering and relevant certifications; contractors often hold professional engineer (PE) licenses.Requires a bachelor's degree in mechanical engineering; licensure may be preferred or required for certain roles.
Work EnvironmentUsually works on temporary projects, often on-site at client locations, with flexible or contract-based employment.Works in permanent positions within companies, engineering firms, or manufacturing environments.
Employer & Industry UsageHired by companies or clients for specific projects; common in consulting, construction, and manufacturing sectors.Employed directly by organizations or firms as full-time staff.

In summary, Mechanical Engineer Contractors are typically hired for temporary, project-based work and often hold specific certifications, while Mechanical Engineers are usually employed full-time within organizations. Both roles require similar educational backgrounds but differ mainly in employment type and work setting.

Can mechanical engineers work as contractors?

Yes, mechanical engineers can work as contractors, often providing specialized engineering services on a project basis. Contract roles may require relevant certifications, technical skills, and the ability to work independently or with a team in various environments. Many contractors work on short-term projects, offering flexibility and expertise to employers without full-time employment commitments.

What are popular job titles related to Mechanical Engineer Contractor jobs in Boston, MA?

For Mechanical Engineer Contractor jobs in Boston, MA, the most frequently searched job titles are:

What job categories do people searching Mechanical Engineer Contractor jobs in Boston, MA look for?

The top searched job categories for Mechanical Engineer Contractor jobs in Boston, MA are:

Mechanical Engineer Contractor jobs near you
Infographic showing various Mechanical Engineer Contractor job openings in Boston, MA as of August 2026, with employment types broken down into 100% Full Time. Highlights an 60% In-person, and 40% Remote job distribution, with an average salary of $111,767 per year, or $53.7 per hour.

Mechanical Engineer- Contractor

Acorn Product Development, Inc.

Waltham, MA • On-site

Full-time

Re-posted 22 days ago

Job description

We are a product engineering services company for leading companies around the globe. We embrace collaboration, simplify complex engineering challenges, establish supply chains, and plan for manufacturing and delivery. Our proven expertise, relationships, and processes help our clients bring innovative, reliable, and cost-effective products to market. 

We are looking for Mechanical Engineer (contractors) to work with our team in Waltham, MA.

Local candidates preferred. 

Requirements

  • 8+ years of design and engineering analysis experience w/ a BSME or equivalent (MSME preferred).  
  • Demonstrated success designing and developing products in Robotics, Automation, Networking, Consumer, Medical Devices.   
  • Experience transitioning complex electromechanical products from early concept into production. 
  • Experience defining engineering requirements and hardware architecture for complex systems. 
  • Knowledge of designing molded, sheet metal and machined components.  
  • Experience with mechanisms; motion control is a plus. 
  • Adept at specifying and sourcing off-the-shelf components (e.g. actuators, bearings, fluid handling components)  
  • Proficient with SolidWorks (Creo a plus). 

On-the-job experience in the following areas: 

  • High quality CAD model development and 2D fabrication drawings 
  • Tolerance analysis 
  • FEA and/or CFD 
  • Strength of materials 
  • Heat transfer 
  • Shock & vibration  
  • Hands-on systems bring-up and integration with a cross functional team. 

Apply