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Project Managers Assistant Jobs in Portland, OR (NOW HIRING)

MasTec Inc

Assistant Project Manager

Vancouver, WA · On-site

$75K - $125K/yr

From the electric plant to the end users, MasTec's experienced managers and crews consistently ... Summary: Assist in the management of multiple projects while providing advice to the Project ...

MasTec Inc

Assistant Project Manager

Vancouver, WA · On-site

$75K - $125K/yr

From the electric plant to the end users, MasTec's experienced managers and crews consistently ... Summary: Assist in the management of multiple projects while providing advice to the Project ...

MasTec Inc

Assistant Project Manager

Vancouver, WA

$75K - $125K/yr

From the electric plant to the end users, MasTec's experienced managers and crews consistently ... Summary: Assist in the management of multiple projects while providing advice to the Project ...

MasTec Inc

Assistant Project Manager

Vancouver, WA · On-site

$75K - $125K/yr

From the electric plant to the end users, MasTec's experienced managers and crews consistently ... Summary: Assist in the management of multiple projects while providing advice to the Project ...

MasTec Inc

Assistant Project Manager

Vancouver, WA · On-site

$75K - $125K/yr

From the electric plant to the end users, MasTec's experienced managers and crews consistently ... Summary: Assist in the management of multiple projects while providing advice to the Project ...

MasTec Inc

Assistant Project Manager

Vancouver, WA

$75K - $125K/yr

From the electric plant to the end users, MasTec's experienced managers and crews consistently ... Summary: Assist in the management of multiple projects while providing advice to the Project ...

MasTec Inc

Assistant Project Manager

Vancouver, WA

$75K - $125K/yr

From the electric plant to the end users, MasTec's experienced managers and crews consistently ... Summary: Assist in the management of multiple projects while providing advice to the Project ...

MasTec Inc

Assistant Project Manager

Vancouver, WA · On-site

$75K - $125K/yr

From the electric plant to the end users, MasTec's experienced managers and crews consistently ... Summary: Assist in the management of multiple projects while providing advice to the Project ...

MasTec Inc

Assistant Project Manager

Vancouver, WA

$75K - $125K/yr

From the electric plant to the end users, MasTec's experienced managers and crews consistently ... Summary: Assist in the management of multiple projects while providing advice to the Project ...

MasTec Inc

Assistant Project Manager

Vancouver, WA · On-site

$75K - $125K/yr

From the electric plant to the end users, MasTec's experienced managers and crews consistently ... Summary: Assist in the management of multiple projects while providing advice to the Project ...

Rosendin

Sr. Project Manager

Hillsboro, OR

... managers, and assistant project managers to deliver exceptional results for our clients. The position proactively develops new business opportunities and relationships with current and potential ...

AditiStaffing

project coordinator

Beaverton, OR · On-site

Project Resource Management: assist the project manager with defining project resource requirements; maintains project resource plans Communications Management -Supports project manager to execute ...

OCHIN

PROJECT MANAGER (CA)

Portland, OR · On-site

Senior Project Managers will be expected to mentor and coach less experienced employees in aspects of the profession such as leadership, methodology, and tools, and may be called upon to assist on ...

MWH

Assistant Project Manager - Commercial

Gresham, OR · On-site

Project Correspondence Coordinate with Project Engineering Team and Trade Package Managers to write ... an assistant project manager or equivalent role on a heavy civil, structural or buildings ...

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Showing results 41-60

All JobsProject Managers JobsProject Managers Assistant JobsProject Managers Assistant Jobs in Portland, OR

Project Managers Assistant information

See Portland, OR salary details

$33.9K

$77.5K

$123.5K

How much do project managers assistant jobs pay per year?

As of Aug 20, 2026, the average yearly pay for project managers assistant in Portland, OR is $77,484.00, according to ZipRecruiter salary data. Most workers in this role earn between $56,700.00 and $93,300.00 per year, depending on experience, location, and employer.

What is a project managers assistant?

Project Managers Assistants, also known as Assistant Project Managers, support project managers in planning, organizing, and overseeing projects to ensure they are completed on time and within budget. Their responsibilities often include scheduling meetings, communicating with team members and stakeholders, tracking project progress, preparing reports, and managing project documentation. They help coordinate tasks, resolve issues, and keep projects running smoothly by handling various administrative and project support tasks.

What are the key skills and qualifications needed to thrive as a project managers assistant, and why are they important?

To thrive as a Project Manager's Assistant, you need strong organizational skills, attention to detail, and a background in business administration or project management. Familiarity with project management software like Microsoft Project, Asana, or Trello, as well as proficiency in Microsoft Office Suite, is often required. Exceptional communication, time management, and problem-solving abilities help you coordinate effectively and support project goals. These skills ensure efficient project execution, support for the project manager, and smooth collaboration among team members.

What are the most common challenges faced by a project managers assistant, and how can they be overcome?

As a Project Manager's Assistant, one of the most common challenges is effectively managing multiple tasks and priorities simultaneously, often under tight deadlines. Clear communication and strong organizational skills are essential to keep project documentation, schedules, and stakeholder updates on track. Building a proactive relationship with the project manager and team members can help anticipate potential issues and address them early. Utilizing project management software and maintaining detailed records also ensures smoother coordination and helps prevent misunderstandings.

What is the difference between Project Managers Assistant vs Project Coordinators?

AspectProject Managers AssistantProject Coordinator
Required CredentialsHigh school diploma or associate's; some roles prefer certifications like CAPMHigh school diploma; often prefers certifications like CAPM or PMP
Work EnvironmentOffice setting, supporting project managersOffice environment, managing project schedules and communication
Employer & Industry UsageCommon in construction, IT, and engineering firmsWidely used across industries including healthcare, IT, and construction

Project Managers Assistants and Project Coordinators both support project teams, often requiring similar certifications and working in office environments. The main difference lies in scope: Project Managers Assistants typically support project managers directly, while Project Coordinators handle broader project coordination tasks. Both roles are essential for successful project execution across various industries.

Can I be a project managers assistant with no experience?

Yes, entry-level project management assistant roles often do not require prior experience and focus on organizational skills, communication, and basic knowledge of project management tools. Candidates may need a relevant diploma or certification and should be willing to learn on the job.

What cities near Portland, OR are hiring for Project Managers Assistant jobs?

Cities near Portland, OR with the most Project Managers Assistant job openings:

Project Managers Assistant jobs near you
Infographic showing various Project Managers Assistant job openings in Portland, OR as of August 2026, with employment types broken down into 85% Full Time, 12% Part Time, and 3% Contract. Highlights an 73% Physical, 2% Hybrid, and 25% Remote job distribution, with an average salary of $77,484 per year, or $37.3 per hour.

Assistant Project Manager

MasTec Inc

Vancouver, WA • On-site

$75K - $125K/yr

Full-time

Posted 27 days ago

MasTec rating

7.4

Company rating: 7.4 out of 10

Based on 155 frontline employees who took The Breakroom Quiz

34th of 80 rated construction

Job description

Overview

As one of the nation's leading electric transmission line construction companies, MasTec Power Delivery companies engineer and construct efficient and reliable electrical transmission, distribution, and substation & switchyard systems. Our extensive workforce includes both union and nonunion teams, which, combined with our specialized equipment fleet, allows us to effectively meet our clients' needs for power delivery, emergency restoration, and ongoing maintenance. We've been involved in some of the most challenging and recognizable electric projects across the U.S. From the electric plant to the end users, MasTec's experienced managers and crews consistently deliver transmission, distribution, and substation & switchyard services with an unfailing commitment to safety, integrity, and sustainable practices.  

Job Description 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. 

Salary Range: $75,000 -125,000


Responsibilities
  • Help oversee a construction project from start to finish 
  • Manage day-to-day project activities including the POD and time sheets 
  • Assist in project planning, budgeting, and identification of resources needed 
  • Work with project manager to ensure understanding of all project activities, schedules and deliverables 
  • Help to manage client responsibilities and expectations 
  • Work with management to develop the objectives/goals of each member and assign individual responsibilities 
  • Ensure that construction activities move according to pre-determined schedule 
  • Monitor the progress of the construction activities on a regular basis 
  • Effective time management and logical decision-making ability 

Qualifications

Skills & Abilities: 

  • Ability to multitask and maintain effectiveness with multiple priorities 
  • Professional demeanor; remain calm and emotionally controlled under pressure 
  • Ability to follow directions and take initiative when required 
  • Excellent communication, accounting and organizational skills 
  • Familiar with Microsoft Office and Timberline 
  • A basic to good understanding of construction means and methods 
  • Basic understanding/proficiency with spreadsheets, Email and other software used in the construction industry. 
  • Completed OSHA ET&D Training 

Physical Demands: 

  • Field visits to the job site 

Education and/or Work Experience: 

At least one of the following: 

  • Degree in Engineering/Construction Management 
  • Construction Management with 1-2 years of experience with a commercial and/or Industrial general contractor; 
  • 2+ years of directly related experience with no degree 
Qualifications:

Skills & Abilities: 

  • Ability to multitask and maintain effectiveness with multiple priorities 
  • Professional demeanor; remain calm and emotionally controlled under pressure 
  • Ability to follow directions and take initiative when required 
  • Excellent communication, accounting and organizational skills 
  • Familiar with Microsoft Office and Timberline 
  • A basic to good understanding of construction means and methods 
  • Basic understanding/proficiency with spreadsheets, Email and other software used in the construction industry. 
  • Completed OSHA ET&D Training 

Physical Demands: 

  • Field visits to the job site 

Education and/or Work Experience: 

At least one of the following: 

  • Degree in Engineering/Construction Management 
  • Construction Management with 1-2 years of experience with a commercial and/or Industrial general contractor; 
  • 2+ years of directly related experience with no degree 
Education:UNAVAILABLEEmployment Type: FULL_TIME

What MasTec employees say

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