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Mechanical Engineer Contractor Jobs in Seattle, WA

PSR Mechanical LLC

Mechanical Engineer

Seattle, WA

PSR Mechanical, an established, well recognized and respected HVAC service contractor, is looking for an experienced Mechanical Engineer to join our Seattle office. We are seeking a candidate who ...

Stantec

Mechanical Engineer

Lynnwood, WA · On-site

Communicates with manufacturers and contractors to address challenges and develop practical designs ... Deep knowledge for buildings mechanical engineering, including but not limited to HVAC, piping ...

Stantec

Mechanical Engineer

Seattle, WA · On-site

Communicates with manufacturers and contractors to address challenges and develop practical designs ... Deep knowledge for buildings mechanical engineering, including but not limited to HVAC, piping ...

Stantec

Mechanical Engineer

Seattle, WA · On-site

$126K - $189K/yr

Communicates with manufacturers and contractors to address challenges and develop practical designs ... Deep knowledge for buildings mechanical engineering, including but not limited to HVAC, piping ...

ApplyMint

Test Engineer Contractor

Kent, WA · On-site

$75 - $95/hr

S. degree or higher in Mechanical or Aerospace Engineering, or other relevant field. * 2 + years of experience in component testing and data analysis . * Demonstrated technical expertise in design ...

Stantec

Mechanical Engineer - Federal

Seattle, WA · On-site

$91K - $132K/yr

... contractor RFI's, issuing field directives, performs construction observation and punch lists ... Working knowledge for buildings mechanical engineering, including but not limited to HVAC, piping ...

Stantec

Mechanical Engineer - Federal

Seattle, WA · On-site

... contractor RFI's, issuing field directives, performs construction observation and punch lists ... Working knowledge for buildings mechanical engineering, including but not limited to HVAC, piping ...

Stantec

Mechanical Engineer - Federal

Lynnwood, WA · On-site

... contractor RFI's, issuing field directives, performs construction observation and punch lists ... Working knowledge for buildings mechanical engineering, including but not limited to HVAC, piping ...

System One

Senior Mechanical Engineer

Bellevue, WA · Remote

$107K - $141K/yr

Senior Mechanical Engineer Location: Bellevue, WA Type ... Contract Contractor Work Model: Remote - offsite Hours: 40.0 Responsibilities * Design reactor ...

System One

Senior Mechanical Engineer

Bellevue, WA · Remote

$107K - $141K/yr

Senior Mechanical Engineer Location: Bellevue, WA Type ... Contract Contractor Work Model: Remote - offsite Hours: 40.0 Responsibilities * Design reactor ...

System One

Senior Mechanical Engineer

Bellevue, WA · Remote

$107K - $141K/yr

Senior Mechanical Engineer Location: Bellevue, WA Type ... Contract Contractor Work Model: Remote - offsite Hours: 40.0 Responsibilities * Design reactor ...

Stantec

Senior Mechanical Engineer - Federal

Seattle, WA · On-site

$115K - $152K/yr

Your Opportunity Senior Mechanical Engineer - Federal draws on strong buildings engineering ... Provides construction administration support such as reviewing contractor RFI's, issuing field ...

Stantec

Senior Mechanical Engineer - Federal

Lynnwood, WA · On-site

$115K - $152K/yr

Your Opportunity Senior Mechanical Engineer - Federal draws on strong buildings engineering ... Provides construction administration support such as reviewing contractor RFI's, issuing field ...

Meade

Senior Mechanical Engineer

Seattle, WA

$130K - $167K/yr

Work amongst a cross-discipline design team, owners, and contractors to develop drawings and ... Valid Mechanical P.E. license and Bachelor's degree in Mechanical Engineering (will consider ...

Crane Company

Mechanical Engineer IV

Lynnwood, WA · On-site

As a US Department of Defense contractor, we are bound by International Traffic in Arms Regulations ... Knowledge: * Knowledge of Mechanical Engineering Principles, including mechanics of materials ...

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Showing results 1-20

All JobsMechanical Engineer Contractor JobsMechanical Engineer Contractor Jobs in Seattle, WA

Mechanical Engineer Contractor information

See Seattle, WA salary details

$51.8K

$117.1K

$189.5K

How much do mechanical engineer contractor jobs pay per year?

As of Aug 30, 2026, the average yearly pay for mechanical engineer contractor in Seattle, WA is $117,078.00, according to ZipRecruiter salary data. Most workers in this role earn between $92,700.00 and $144,000.00 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 Seattle, WA?

For Mechanical Engineer Contractor jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Mechanical Engineer Contractor jobs in Seattle, WA look for?

The top searched job categories for Mechanical Engineer Contractor jobs in Seattle, WA are:

What cities near Seattle, WA are hiring for Mechanical Engineer Contractor jobs?

Cities near Seattle, WA with the most Mechanical Engineer Contractor job openings:

Mechanical Engineer Contractor jobs near you
Infographic showing various Mechanical Engineer Contractor job openings in Seattle, WA as of August 2026, with employment types broken down into 100% Full Time. Highlights an 94% In-person, and 6% Hybrid job distribution, with an average salary of $117,078 per year, or $56.3 per hour.

Mechanical Engineer

PSR Mechanical LLC

Seattle, WA

Full-time

Life, Retirement, PTO

Re-posted 18 days ago

Job description

Description

PSR has been a part of Seattle since 1945. We are a leading provider of services that optimize energy efficiency, comfort, productivity, health, and safety. PSR Mechanical is part of Service Logic which is the nation's largest independent HVAC service provided with over $2.0 billion in annual sales and 7,000 employees. Our investment in outstanding people, technology and education has created a highly valued service platform for our customers.


PSR Mechanical, an established, well recognized and respected HVAC service contractor, is looking for an experienced Mechanical Engineer to join our Seattle office. We are seeking a candidate who meets the qualifications listed below.

The Mechanical Engineer role is to assist to help create effective HVAC and energy solutions for our clients. Mechanical Engineers provide support to our Sales, Projects and Operations departments. They are involved in the day-to-day operations of a project and must be organized and able to clearly communicate with employees and customers.


Mechanical Engineers enjoy excellent compensation and benefits that reward personal achievement and effort. This is an in-office role with hours from 7:00am to 4:00pm


Essential Duties and Responsibilities

Perform or contract CAD drafting as needed to meet project requirements.

Manage and distribute project plan revisions and red lines, and coordinate with consultants, vendors and other trades, as needed.

Prepare layouts in CAD for low pressure HVAC ductwork and distribution as well as HVAC piping systems.

Complete system load calculations.

Assist with HVAC equipment research and selection.

Coordinate system design with structural consultants and electrical contractors.

Research equipment and system applications as needed and provide team updates on new technology.

Maintain database of jurisdictional permit submittal requirements and fee schedules.

Procure permits on projects as required per jurisdictional database.

Complete and manage pre-sale and post-sale facility energy analysis.

Promote client engagement with our service, maintenance, and energy services programs.

Requirements


Qualifications

Solid understanding of the commercial HVAC market.

Strong mechanical and electrical systems technical education.

Advanced computer skills including MS Office and AutoCAD.

Strong attention to detail with the ability to recognize discrepancies.

Ability to understand and communicate basic mechanical concepts.

Advanced organizational and time management skills.

Experience in energy efficiency applications.

Have a thorough understanding of City and State Code Requirements.

Experienced in diagnosing system design problems and planning for improved system performance.

Three (3) years commercial HVAC project experience. .

Control system experience preferred.

Excellent oral and written communications

Goal driven, organized, self-starter.

High degree of personal integrity.

Passion for delivering excellent customer service.


Education/Certifications required

College degree in Mechanical Engineering or Construction Trades.

CEM and/or LEED AP-OM preferred.


Physical Requirements

Ability to climb ladders

Moderate lifting (up to 40lbs)

Prolonged periods of sitting at desk and working on a computer


Perks and Benefits

Excellent benefits package.

Paid Time Off (PTO).

401(k) company match.

Paid holidays.

Employer paid Employee Assistance Program (EAP).

Flexible Spending Account (FSA).

Voluntary Benefits such as LTD, STD, Accident and Life and AD&D Insurance.

Monthly Auto Allowance.

Recognition program

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