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Project Assistant Jobs in Portland, OR (NOW HIRING)

EC Source

Assistant Project Manager

Vancouver, WA · On-site

$75K - $125K/yr

Summary: Assist in the management of multiple projects while providing advice to the Project Manager. Help coordinate projects, schedules, and track the progress of projects and report their results.

MasTec Inc

Assistant Project Manager

Vancouver, WA · On-site

$75K - $125K/yr

Summary: Assist in the management of multiple projects while providing advice to the Project Manager. Help coordinate projects, schedules, and track the progress of projects and report their results.

EC Source

Assistant Project Manager

Vancouver, WA

$75K - $125K/yr

Summary: Assist in the management of multiple projects while providing advice to the Project Manager. Help coordinate projects, schedules, and track the progress of projects and report their results.

MasTec Inc

Assistant Project Manager

Vancouver, WA

$75K - $125K/yr

Summary: Assist in the management of multiple projects while providing advice to the Project Manager. Help coordinate projects, schedules, and track the progress of projects and report their results.

Mortenson

Assistant Project Manager

Portland, OR · On-site

$102K - $137K/yr

SUMMARY Mortenson is currently seeking an Assistant Project Manager who will be responsible for partnering with the project manager from bid preparation through final client acceptance. Lead, coach ...

Project Solutions Inc.

Project Engineer

Lake Oswego, OR · On-site

$100K - $125K/yr

Prepare or direct the preparation/modification of reports, construction schedules, and design plans * Assist in preparing accurate cost estimates and quotations to ensure project profitability

MasTec Inc

Assistant Project Manager

Vancouver, WA

$75K - $125K/yr

Summary: Assist in the management of multiple projects while providing advice to the Project Manager. Help coordinate projects, schedules, and track the progress of projects and report their results.

MasTec Inc

Assistant Project Manager

Vancouver, WA

$75K - $125K/yr

Summary: Assist in the management of multiple projects while providing advice to the Project Manager. Help coordinate projects, schedules, and track the progress of projects and report their results.

MasTec Inc

Assistant Project Manager

Vancouver, WA

$75K - $125K/yr

Summary: Assist in the management of multiple projects while providing advice to the Project Manager. Help coordinate projects, schedules, and track the progress of projects and report their results.

MasTec Inc

Assistant Project Manager

Vancouver, WA

$75K - $125K/yr

Summary: Assist in the management of multiple projects while providing advice to the Project Manager. Help coordinate projects, schedules, and track the progress of projects and report their results.

MasTec Inc

Assistant Project Manager

Vancouver, WA

$75K - $125K/yr

Summary: Assist in the management of multiple projects while providing advice to the Project Manager. Help coordinate projects, schedules, and track the progress of projects and report their results.

MasTec Inc

Assistant Project Manager

Vancouver, WA

$75K - $125K/yr

Summary: Assist in the management of multiple projects while providing advice to the Project Manager. Help coordinate projects, schedules, and track the progress of projects and report their results.

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Showing results 21-40

All JobsProject JobsProject Assistant JobsProject Assistant Jobs in Portland, OR

Project Assistant information

See Portland, OR salary details

$14

$22

$32

How much do project assistant jobs pay per hour?

As of Jul 28, 2026, the average hourly pay for project assistant in Portland, OR is $22.84, according to ZipRecruiter salary data. Most workers in this role earn between $18.37 and $25.72 per hour, depending on experience, location, and employer.

What is the role of a project assistant?

A project assistant supports project managers and teams by coordinating schedules, preparing documentation, tracking progress, and ensuring tasks are completed on time. They often use tools like Microsoft Office and project management software to facilitate communication and organization. Strong organizational skills and attention to detail are essential for this role.

How does a Project Assistant typically collaborate with project managers and other team members?

Project Assistants play a crucial role in supporting project managers by organizing schedules, preparing documentation, and facilitating communication among team members. They often attend meetings to take notes, track action items, and ensure deadlines are met. Regular collaboration with various departments is common, as Project Assistants help coordinate resources, gather updates, and address any logistical challenges that arise. This role is ideal for individuals who enjoy multitasking and thrive in a dynamic, team-oriented environment.

What are Project Assistants?

Project Assistants are professionals who provide administrative and operational support to project managers and teams. They help coordinate project activities, manage documentation, schedule meetings, and ensure tasks are completed on time. Project Assistants often handle communication between team members, track project progress, and assist with reporting. Their role is essential for keeping projects organized and running smoothly.

What does a project assistant do?

A project assistant supports project managers and teams by coordinating schedules, preparing reports, managing documentation, and tracking project progress. They often use tools like Microsoft Office and project management software to ensure tasks are completed on time. Strong organizational and communication skills are essential for this role.

What are the key skills and qualifications needed to thrive as a Project Assistant, and why are they important?

To thrive as a Project Assistant, you need strong organizational skills, attention to detail, and a foundational understanding of project management principles, often supported by a relevant degree or coursework. Familiarity with project management software like Microsoft Project, Asana, or Trello, and proficiency in MS Office Suite are typically expected. Excellent communication, teamwork, and time management skills help you support project managers and coordinate among stakeholders effectively. These skills ensure projects run smoothly, deadlines are met, and teams stay aligned on objectives.

What skills do you need to be a project assistant?

A project assistant needs strong organizational skills, effective communication, and proficiency in project management tools like Microsoft Office or project scheduling software. Attention to detail, the ability to multitask, and basic knowledge of budgeting and reporting are also important for supporting project teams efficiently.

What Is a Project Assistant?

A project assistant provides support to the project team and helps make sure projects get done on time and budget. They answer to the project manager or project administrator or a company director. Job duties include handling communication with everyone on the project team, creating and filing documentation, preparing reports, and serving as a liaison between management and the project team. Other responsibilities may include setting up office equipment—such as computers, printers, and webcams for online conference calls, scheduling meetings and check-ins, and managing the project calendar.

How do I become a project assistant?

To become a project assistant, candidates typically need a high school diploma or equivalent, with some roles preferring an associate's or bachelor's degree in business, management, or related fields. Relevant skills include organization, communication, and proficiency with project management tools like Microsoft Office or Asana. Gaining experience through internships or entry-level positions can also improve chances of securing a project assistant role.

What is the difference between Project Assistant vs Administrative Assistant?

AspectProject AssistantAdministrative Assistant
Required CredentialsHigh school diploma; some roles may prefer associate's degree or relevant certificationsHigh school diploma; often no specific certifications required
Work EnvironmentProject sites, offices, collaborative team settingsOffice settings, administrative departments
Employer & Industry UsageConstruction, IT, consulting, engineeringCorporate offices, government agencies, nonprofits
Common Search & ComparisonOften compared for support roles in projectsCompared for general office support roles

The Project Assistant and Administrative Assistant roles share similarities in supporting organizational functions, but Project Assistants focus more on supporting specific projects, often requiring knowledge of project management processes. Administrative Assistants handle broader administrative tasks across departments. Both roles are essential in various industries, but their focus and work environments differ slightly.

More about Project Assistant jobs
What are the most commonly searched types of Project jobs in Portland, OR? The most popular types of Project jobs in Portland, OR are:
What are popular job titles related to Project Assistant jobs in Portland, OR? For Project Assistant jobs in Portland, OR, the most frequently searched job titles are:
What job categories do people searching Project Assistant jobs in Portland, OR look for? The top searched job categories for Project Assistant jobs in Portland, OR are:
What cities near Portland, OR are hiring for Project Assistant jobs? Cities near Portland, OR with the most Project Assistant job openings:
Project Assistant jobs near you
Infographic showing various Project Assistant job openings in Portland, OR as of July 2026, with employment types broken down into 91% Full Time, and 9% Part Time. Highlights an 100% In-person job distribution, with an average salary of $47,510 per year, or $22.8 per hour.
Project Manager Assistant

Project Manager Assistant

Stewart Mechanical

Battle Ground, WA • On-site

$25 - $35/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 2 days ago

Job description

SUMMARY
This position requires a skill in communication, and an attention to detail. You will assist the Project Manager with all phases of project setup and closeout. Work experience with a construction company is a plus and plumbing experience will be helpful to perform this job.
PRIMARY RESPONSIBILITIES
It is important this person is effective, organized, and has a professional attitude. The Project Coordinator will help with:
  • Project Setup
  • Project Submittals
  • Project Closeouts
  • Coordinate as-builts
  • Procurement and PO assistance
  • Manage documents associated with the project
  • Secure permits / licenses as required
  • Assist Project Managers as needed.

Helpful Skills
  • Microsoft Outlook, Word, Excel
  • BlueBeam
  • Adobe Acrobat
  • Accounting Basics
  • PM software (ProCore, eSub...)

It will require complete project setup , coordinating field access to files, work with the PM to record critical project information and milestones that will be useful for project tracking. It will require a familiarity with computers, and a flexibility, as the tasks will vary. It will also require a calm nature, as there will be multiple changing deadlines. This person will help manage the data and timelines for back-office information and provide necessary information to the front office and field as it applies.
Benefits
  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Paid Vacations/Holidays
  • 401k Profit Sharing
  • Supplemental plans (Ex. Accident, Disability)

Apply