Project Engineer III - Mechanical
McKinstry
Seattle, WA · Posted September 30, 2026
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Where Seattle, WA ranks
Where Seattle, WA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Cities with the most jobs that do not need a four-year degree in the Pacific Northwest316 jobs · of 8
- #1Best cities for software and engineering jobs in the Pacific Northwest1,776 openings · of 14
- #2Best cities for energy and utilities pay after cost of living$180k · of 18
- #2Best cities for entry-level jobs that want AI skills in the Pacific Northwest17% · of 12
- #2Best cities for AI-skill jobs in the Pacific Northwest26% · of 17
- #2Best cities for software and engineering jobs in the West Coast1,776 openings · of 60
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
AI use among mechanical engineers is little observed so far. Measured exposure for mechanical engineers: 8% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
Say which you have and which you want to build. We use it to match you to jobs like this one.
About the job
Build the future, spark innovation and align your career with purpose.
McKinstry is innovating the waste and climate harm out of the built environment and creating lasting impact. Together, we’re building a thriving planet.
Buildings are a leading contributor to the climate crisis, generating nearly 40% of total global energy-related carbon emissions. We’re making a lasting impact on our industry and within our communities by addressing the climate, affordability and equity crises through:
renewables and energy services
engineering and design
construction and facility services
To get where we’re going, we need big thinkers, problem solvers and collaborative mindsets. Does that sound like you?
The Opportunity with McKinstry
We are currently seeking a Project Engineer III - Mechanical to join our Engineering & Design team in Seattle, WA. Engineers at McKinstry are unsurpassed in their ability to combine innovative problem solving with common sense design applications. Because of our design, build, operate, and maintain (DBOM) process, McKinstry engineers concern themselves not just with the construction of a building, but how it will operate over its entire lifetime. Every design choice is made toward one goal – delivering high-performance buildings that ensure occupant comfort and safety, keep energy/operating costs low, maximize client profitability, and protect the environment.
Project Management
Documents project correspondence, issues, decisions and directions.
Follows McKinstry Engineering standards and procedures.
Contributes to tasks on multiple projects and timelines concurrently.
Manages team’s workload to deliver assigned tasks on time and in the budget.
Provides engineering analysis to support sales and early design efforts.
Defines, communicates, and manages scope, design intent, and design process for direct supervisor review
Design
Proficient in mechanical systems design, including calculations, airside systems, piping systems, equipment selection and multi-discipline coordination.
Performs and coaches others in engineering calculations, design, and drafting tasks.
Produces or directs production of design drawings and building information models for construction.
Pursues an understanding of the technical foundation of design activities and decisions.
Performs coordination with internal and external team members.
Identifies opportunities for process and technology improvements.
Investigates, evaluates, and troubleshoots existing systems.
Develops options for design direction, system selection, energy conservation and cost savings strategies.
What You Need to Succeed at McKinstry
Must have demonstrated proficiency for all responsibilities of a Project Engineer III.
Bachelor’s degree in engineering discipline required or equivalent work experience required.
Five (5) years of experience in 2D/3D AutoCAD and Revit modeling preferred.
Familiarity with MATLAB, VBA, Python and structural analysis software (Bentley platform, RISA or SAP 2000) software tools preferred.
Five (5) years of experience in engineering design or related field is preferred. Onsite construction experience considered and welcome.
Knowledge of Microsoft Office Suite, including Teams required.
LEED accreditation is preferred.
Engineering in Training Certificate required.
PeopleFirst Benefits
When it comes to the basics, we have you covered:
Competitive pay
401(k) with employer match and profit-sharing plan
Paid time off and holidays
Comprehensive medical, prescription, dental, and vision with low or zero deductible options and low out of pocket maximums
People come first at McKinstry, and we go beyond the basic benefits with:
Family formation benefits, including adoption and IVF assistance
Up to 16 weeks paid parental leave
Transgender inclusive benefits
Commuter benefits
Pet insurance
“Building Good” paid community service time
Learning and advancement opportunities via McKinstry University
McKinstry Moves onsite gyms or reimbursement for remote workers
See benefit plan documents for complete details.
If you’re driven by our vision to build a thriving planet together, McKinstry is the place to build your career.
The pay range for this position is $39.20 - $62.31 per hour; however, base pay offered may vary depending on job-related knowledge, skills, and experience. This is a non-exempt role and will be paid hourly. A bonus may be provided as part of the compensation package, in addition to a full range of medical, financial, and/or other benefits, dependent on the position offered. Base pay information is based on market location.
The McKinstry group of companies are equal opportunity employers. We are committed to providing equal employment opportunities to all employees and qualified applicants without regard to sex, gender identity, sexual orientation, age, race, color, creed, marital status, national origin, disability, veteran status, genetic information or any other basis protected by law. This policy applies to all terms and conditions of employment including, but not limited to employment, advancement, assignment, and training. This commitment to Equal Employment Opportunity is made equally as a social responsibility and as an economic and business necessity.
McKinstry is a drug-free workplace. Employment is contingent upon successfully passing a pre-employment drug and alcohol test, complying with the requirements of the Immigration Reform and Control Act and a Confidentiality Agreement, in addition to successful outcomes of background and reference checks.
Applicants for this role will only be considered if they possess current US Work Authorization, and do not require employer-sponsored VISA support to begin or remain in this role.
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