Top 133 Mechanical Engineers Jobs in Portland, OR

Mechanical Engineer
Polygon US —Portland, OR
- $90,000 - $95,000 a year
- Weekends as needed
- OSHA
- Construction site
- CAD
Quick Apply
Engineering Supervisor - Corporate
Rogers Machinery Company Inc —Portland, OR
- $105,000 - $120,000 a year
- Full-time
- Microsoft Excel
- Microsoft Outlook
- Customer service
- Profit sharing
- Disability insurance
Senior Mechanical Engineer
Entro Industries —Hillsboro, OR
- $80,000 - $130,000 a year
- Full-time
- AutoCAD
- CAD
- Bachelor of Science
- Health savings account
- Relocation assistance
Quick Apply
Tooling Design Engineer
Oregon Tool, Inc. —Portland, OR
- $90,000 - $104,000 a year
- Microsoft Excel
- Engineering
- Physical & Rehabilitation Medicine
- Paid holidays
- Health insurance
Quick Apply
Project Engineer
Wellons, Inc. —Vancouver, WA
- $100,000 - $120,000 a year
- Full-time
- 5 years
- Engineering
- Project management
- Health savings account
- Health insurance
Quick Apply
Mechanical Engineer
Kimley-Horn —Portland, OR
- $105,000 - $150,000 a year
- Mid-level
- Office
- Mentoring
- Profit sharing
- Health insurance
4d
Mechanical Engineering Analyst
Kimley-Horn —Portland, OR
- $90,000 - $135,000 a year
- Engineering
- Mid-level
- Master's degree
- Profit sharing
- Health insurance
Mechanical Engineer
PPM TECHNOLOGIES HOLDINGS LLC —Newberg, OR
- $66,400 - $86,325 a year
- Full-time
- Microsoft Outlook
- Customer service
- Computer literacy
Quick Apply
Drivetrain Engineer I-III
Hyster-Yale Group —Portland, OR
- Full-time
- Engineering
- Mid-level
- Master's degree
- Profit sharing
- Health insurance
Senior Fluids Engineer
Panthalassa —Portland, OR
- $155,000 - $205,000 a year
- Extended hours
- 7 years
- Engineering
- Analysis skills
- Disability insurance
- Relocation assistance
Quick Apply
Mechanical Engineer
Stantec —Portland, OR
- Full-time
- Management
- Mid-level
- Office
Director, Mechanical Engineering / Environmental (Hydro)
Pacificorp —Portland, OR
- $134,800 - $185,510 a year
- Full-time
- Background check
- OSHA
- 5 years
- Paid parental leave
- Disability insurance
Design Engineer
Weir Group —Portland, OR
- Full-time
- Microsoft Word
- Microsoft Outlook
- Mid-level
Product Development Engineer
KLA —Hillsboro, OR
- $100,100 - $170,200 a year
- Full-time
- Doctoral degree
- Engineering
- Master's degree
- Employee stock purchase plan
- Paid holidays
Mechanical Engineer, Validation
BIOTRONIK SE & Co. KG —Lake Oswego, OR
- Full-time
- Analysis skills
- Electrical experience
- Software development
Entry Level Plumbing Engineer - Portland, OR
PAE CONSULTING ENGINEERS INC —Portland, OR
- $73,300 - $82,800 a year
- Full-time
- Hybrid work
- Engineering
- System design
- Analysis skills
- Profit sharing
- Paid holidays
Mechanical Engineer/Designer
Stantec —Portland, OR
- Full-time
- Mid-level
- Office
- 3 years
- Wellness program
- Health savings account
Mechanical Engineering - Estimator/EIT
Kelvin Group Corp —Portland, OR
- Full-time
- Microsoft Outlook
- Ability to walk for extended periods
- Mid-level
- Health savings account
- Paid holidays
9d
Mechanical Engineer – Offshore Reliability
Hudson Manpower —Oregon City, OR
- Full-time
- Senior level
Quick Apply
Mechanical Engineer 4
Lam Research —Tualatin, OR
- 6 years
- Master's degree
- Mentoring

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Mechanical Engineers jobs near Portland, OR

Mechanical Engineer

Polygon US -
Portland, OR

Quick Apply

Job Details

$90,000 - $95,000 a year

Qualifications

CAD
Spreadsheets
Microsoft Office
Driver's License
Thermodynamics

Full Job Description

Role Summary:

$90-95k annually

Under the direction of the Engineering & Estimating Manager -National, the Project Engineer is responsible for supporting the Engineering and Estimating team across the full project lifecycle, including load calculations, system design, bidding support, client presentations, field deployment, and post-project documentation. This is an engineering-track role with exposure to a wide variety of industries and applications. The day-to-day work is office-based, with travel for site visits, client meetings, and emergency response.

Essential Job Functions:

Perform load calculations — cooling, heating, moisture, and ventilation — for temporary climate solutions across construction sites, industrial and manufacturing facilities, food production plants, automotive and battery plants, aerospace facilities, data centers, commercial buildings, and labs
Perform psychrometric chart analyses and study weather to inform design decisions
Design temporary systems from Polygon's equipment fleet
Develop project layouts, equipment schedules, and sequences of operation tailored to each client's environment and process needs
Support the estimating process: take-offs, equipment selection, scope development, and pricing inputs for bids and proposals
Prepare and present engineered solutions to clients, general contractors, and internal sales teams
Translate technical decisions into clear, client-friendly language
Serve as the engineering resource for the field technician team during equipment deployment, startup, commissioning, and troubleshooting
Travel to project sites on short notice when needed — for emergency response, project kickoffs, complex deployments, or field issues that require engineering oversight
Translate field observations into improvements to design and project execution
Develop and maintain Standard Operating Procedures (SOPs) for specific systems, applications, and key clients
Create technical documentation, including system narratives, commissioning checklists, monitoring plans, and project closeout packages
Build out engineering templates and reference materials to improve consistency and efficiency across the team

Job Qualifications:

Bachelor's degree in Mechanical Engineering or a related field
Solid understanding of thermodynamics, heat transfer, and HVAC fundamentals
Comfortable with psychrometric calculations
Strong written and verbal communication skills, with the ability to explain technical concepts to engineers, salespeople, technicians, and clients
MS Office proficiency across the board, with Excel as a particular strength
Demonstrated CAD experience
Willingness to travel on short notice, including occasional nights and weekends for emergency response
Valid US driver's license and the ability to work on construction and industrial job sites

Preferred Training Requirements and Competencies:

EIT certification
1–3 years of experience in HVAC, mechanical contracting, temporary climate solutions, dehumidification, or a related field
Exposure to construction sites, manufacturing facilities, food production, automotive or battery plants, aerospace, data centers, or controlled environments such as labs, cleanrooms, and pharmaceutical facilities
Familiarity with building codes, OSHA site safety, and standard PPE requirements
Experience supporting estimating, sales, or field service teams

Demonstration of the Polygon Values:

Integrity
Excellence
Empathy

Quick Apply

Refine Your Search

Mechanical Engineers jobs in Portland, OR

Mechanical Engineer

Engineering Supervisor - Corporate

Senior Mechanical Engineer

Tooling Design Engineer

Project Engineer

Mechanical Engineer

Mechanical Engineering Analyst

Mechanical Engineer

Drivetrain Engineer I-III

Senior Fluids Engineer

Mechanical Engineer

Director, Mechanical Engineering / Environmental (Hydro)

Design Engineer

Product Development Engineer

Mechanical Engineer, Validation

Entry Level Plumbing Engineer - Portland, OR

Mechanical Engineer/Designer

Mechanical Engineering - Estimator/EIT

Mechanical Engineer – Offshore Reliability

Mechanical Engineer 4

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